Am2122-catia V5 Dmu Space Analysis 2j6z27
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AM2122
Means and Methods
CATIA V5 DMU Space Analysis
PURPOSE:
SCOPE: DMU Space Analysis, is a module dedicated to operations performed within the DIGITAL MOCK-UP environment. Usage thereof will allow performing measurements on minimum distances between parts in a product, operations with sectioning planes, detection of s and clashes, 3D products measurement and comparison, inertia analysis, etc. This manual is update to V5 R8.
Owner’s Approval: (signed)
Name Function
: P. Cano : CAD/CAM/PDM Airbus España
Authorization: (signed) Date
: 28 Jan 2003
Name Function
: U. Schumann-Hindenberg : Head of CAD/CAM Configuration Management (EODK)
Airbus SAS 2002. All rights reserved. Confidential and proprietary document
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AM2122 CATIA V5 DMU Space Analysis
Table of contents 1
Foreword.................................................................................... 4
2
Setting Up a Session ................................................................ 5
2.1
Accessing the Workbench ........................................................................ 5
3
Minimum Distances Between Products .................................. 6
3.1
Measuring Distances ................................................................................. 6
3.2
Minimum Distance With a Defined Range (Band Analysis)................... 8
4
Sectioning.................................................................................. 9
4.1
Plane Generation ....................................................................................... 9
4.2
Editing Plane ............................................................................................ 10
4.3
Plane, Slice and Box Sections................................................................ 12
4.4
3D Cuts ..................................................................................................... 13
4.5
Sections Visualisation............................................................................. 14
5
Clash Analysis ........................................................................ 18
5.1
Part-To-Part Clash ................................................................................... 18
5.2
Clash Command....................................................................................... 19
6
Products Comparison ............................................................ 23
7
Additional Tools...................................................................... 25
7.1
Minimum Distance and Angles Measurement Between Geometric Entities or Points ..................................................................................... 25
7.2
Properties Analysis ................................................................................. 27
7.3
Arc Sections Measurement..................................................................... 29
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AM2122 CATIA V5 DMU Space Analysis
7.4
Inertia Analysis ........................................................................................ 30
Approval ................................................................................................................. 31 Record of revisions ............................................................................................... 31
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AM2122 CATIA V5 DMU Space Analysis
1
Foreword DMU Space Analysis, is a module dedicated to operations performed within the DIGITAL MOCK-UP environment.
Usage Of this tool will allow us performing measurements on minimum distance between parts in a product, operations with sectioning planes, detecting s and clashes, measuring and comparing 3D products, inertia analysis, etc. They way it is used will be established in the following chapters.
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AM2122 CATIA V5 DMU Space Analysis
2
Setting Up a Session
2.1
Accessing the Workbench To gain access to the DMU Space Analysis select Digital Mockup → DMU Space Analysis in the menu bar Start option.
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AM2122 CATIA V5 DMU Space Analysis
3
Minimum Distances Between Products You will be able to know the minimum absolute distances between products (product is assumed to be any component or part) or in the X, Y and Z direction in different ways: •
Inside one selection: Checks each product in the selection against all other products in the same selection.
•
Between two selections: Checks each product in the first selection against all products in the second selection.
•
Selection against all: Checks each product in the selection defined against the other products in the document.
You will also be able to calculate and visualise the areas on products corresponding to the minimum distance with a defined range. Green
Area in green colour on A corresponds to all points
Red
included in A with a minimum distance with respect to B within the minimum and maximum defined range. Area in red colour on A corresponds to all points included in A with a minimum distance with respect to B shorter than the minimum defined distance.
3.1
Measuring Distances Example: Measuring minimum distance between two points in two different selections. Select the Distance and Band Analysis
icon in the tool bar. Dialog box Edit
Distance and Band Analysis will pop up. Select a product and select option Between two selections, then select the second product. Continued…
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AM2122 CATIA V5 DMU Space Analysis
3.1
Measuring Distances, continued
Click on Apply to calculate the distance between the selected products, a preliminary window will pop up visualising the minimum distance (displayed by means of a line, two crosses and a value), the dialog box expands to display results and the minimum distance will also be visualised on the geometry area. With the result window button we can view the result in a separate view.
Results windows
Click on OK in the dialog box Edit Distance and Band Analysis. Result becomes part of the specification tree.
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AM2122 CATIA V5 DMU Space Analysis
3.2
Minimum Distance With a Defined Range (Band Analysis) Example: Band analysis between two products in the same selection. Procedure will be the same as in paragraph 3.1, after positioning on the dialog box, we select the Band analysis type of computation, then the two products intervening in the analysis within the same selection will be selected. Enter the Minimum and Maximum distances to define the band width, e.g. 110 y 130 mm and click on Apply. With the export as button you can save the Band analysis result in *.model, *.cgr, *.VRML, *.XML, files.
Export as
Those areas coloured in green identify the areas wherein the minimum distance between products is within the specified range. Those areas coloured in red identify the areas wherein the minimum distance between products is shorter than that specified as minimum distance. Dialog box Edit Distance and Band Analysis includes filters for better visualisation of surfaces in red and green. Click on OK in the dialog box Edit Distance and Band Analysis. Result becomes a part of the specifications tree.
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AM2122 CATIA V5 DMU Space Analysis
4
Sectioning Using sectioning planes, you will be able to create planar sections (by means of a plane), slice sections (limited by two planes), box sections (limited within a prism) and also 3D section cuts on a product in an automated manner. Sectioning is performed in a dynamic manner just manipulating the sectioning planes. You will be able to use sections to assess clashes between products or checking minimum distances and separate visualisation of sections in different windows for detailed analysis.
4.1
Plane Generation Select Insert → Sectioning from the menu bar or click on the Sectioning
icon in
the tool bar. The plane is created parallel to the plane YZ. The centre of the plane is located in the centre of a sphere enveloping the product defined in selection. Line segments visualised represent the intersection of the plane with the selected point. The sectioning plane is limited and has its own local axis system identified as xyz (lower case). Z Axis is the vector normal to the plane.
Sectioning plane referenced to the YZ plane of absolute axis
XY sectioning plane contained in the local axis system, Z is normal thereto.
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AM2122 CATIA V5 DMU Space Analysis
4.2
Editing Plane The sectioning plane or the master plane in the case of slice and box sections can be resized, moved and rotated. When the pointer is moved over the plane, the edge of the plane or the axis system, the auxiliary geometry will pop up, this will allow making changes just clicking with mouse and dragging it
4.2.1
Resizing Plane
4.2.2
Moving Along the Vector Normal to the Plane
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AM2122 CATIA V5 DMU Space Analysis
4.2.3
Rotation
4.2.4
Moving Plane XY
All of the above operations (4.2.1 au 4.2.4) can also be performed using the Edit Position and Dimensions
icon in the tool bar.
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AM2122 CATIA V5 DMU Space Analysis
4.2.5
Inverting the Normal The normal to the plane in the local axis system can be inverted, especially when certain determined sections are to be obtained. For this purpose, select the Invert Normal icon in the tool bar.
4.2.6
Geometrical Target When the Geometrical Target
icon is selected on the tool bar, the plane can be
located with respect to a geometrical target. A rectangle representing the plane will appear, the plane shall be located wherein you move the pointer.
4.2.7
Resetting the Plane Using the Reset Position
icon you will be always able to go back to the initial
position of the plane.
4.3
Plane, Slice and Box Sections Select Insert → Sectioning on the menu bar or click on the Sectioning
icon in the
tool bar. Submenu in the tool bar will select the icon corresponding to the type of sectioning. Section Plane
Continued…
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AM2122 CATIA V5 DMU Space Analysis
4.3
Plane, Slice and Box Sections, continued Section Slice
Section Box
4.4
3D Cuts Select the Volume Cut
icon in the tool bar to do a 3D cut. A 3D cut removes
material from the plane in a direction opposed to the normal, on both sides of the slice or around the box showing the remainder of the product.
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AM2122 CATIA V5 DMU Space Analysis
4.5
Sections Visualisation After the section has been obtained in the usual manner, or editing it from the specification tree double clicking if it existed previously, select the Results Windows icon in the tool bar. A window will pop up displaying the front view of the section only. The 3D visualisation tools are available in this window too. Icon Lock 2D
can be
activated for the view to become 2D, also flipping and rotating the section using icons Flip
and Rotate
.
Select Window → Tile Horizontally or Tile Vertically in the menu bar to arrange the windows. If you deactivate the Section fill
icon you obtain an unfilled view.
Continued…
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AM2122 CATIA V5 DMU Space Analysis
4.5
Sections Visualisation, continued When clicking on the Grid
icon, a grid is added over the section, if it is desired to
change the outer size, just resize the sectioning plane.
Use the Edit Grid
icon to change the spacing, style and mode of the grid. The Edit
Grid dialog box will pop up.
In the absolute mode, the grid co-ordinates are defined with respect to the absolute axis system for the document. In the relative mode, the centre of the grid is located on the centre of the sectioning plane. Default value for the grid spacing is 100 and style is lines. These values can also be altered. Clicking with the right hand side mouse button, Co-ordinates for the intersection of lines making up the grid will be displayed, these can be set with the left hand side button. The Clean All command deletes all positioned co-ordinates. Continued…
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AM2122 CATIA V5 DMU Space Analysis
4.5
Sections Visualisation, continued
You will be able to measure minimum distances and angles; also, other properties on the sections generated and store results of measurements and annotations. Additional tools for these cases will be found in the Analyse option in the menu bar in the sectioning window. It also will be possible to add 3D annotations on the section view or using the temporary markers (Graphic Messages) and fix contents thereof if necessary.
Continued…
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AM2122 CATIA V5 DMU Space Analysis
4.5
Sections Visualisation, continued You can detect collisions between 2D sections. To do so, click the Clash Detection icon in the Sectioning Definition dialog box.
With the freeze command
you can control the automatic update of the section. If you
activate this command the section is not automatically update if you move the section plane. If you select the automatic update icon
, the section automatically change
when we move the section plane.
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AM2122 CATIA V5 DMU Space Analysis
5
Clash Analysis You can analyse Clash, and Clearance conflicts in documents to assess which components interfere with others. Depending on the needs, several levels of analysis are performed, from a simple detection of interference between parts to a detailed clash, or clearance between products or elements. Results will differ depending on the type of interference selected for analysis
5.1
Part-To-Part Clash Select Analyse → Part to Part Clash in the menu bar and the Clash Detection dialog box will pop up.
•
Clash ( + Clash) Detects areas in the parts occupying the same space and parts in .
•
Clearance (Clearance + + Clash) Detects areas in the parts occupying the same space and parts in , and parts separated in a distance shorter than that defined as clearance.
Results will differ based on the option selected for analysis. Select two parts in the document (CTRL), these will be shown in the dialog box.
Analysis is performed when clicking on Apply. The different results will be shown by means of foggy lines in different colours. •
Red
Clash
•
Yellow
•
Green
Clearance
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AM2122 CATIA V5 DMU Space Analysis
5.2
Clash Command Interference check is performed in two steps. •
Initial Computation: Detects and identifies the different types of interference.
•
Detailed Computation: Depending on the Clash parameters (Tools → Options → Product → DMU Clash), this calculates graphic depiction of interference as well as depth of penetration or minimum distance
5.2.1
Initial Computation 1. Select Insert → Clash from the menu bar or click on the Clash
icon in the tool
bar. Check Clash dialog box will pop up.
Default interference analysis is + Clash and Between all components. 2. Types of Interference: •
+ Clash: This checks whether two products occupy the same area in space and whether two products are ing (minimum distance is shorter than tolerance).
•
Clearance + + Clash: This checks whether two products are separated in a distance shorter than the one defined in Clearance in addition to the above.
•
Authorised Penetration: Lets you define a margin within which two products can occupy the same space zone without generating a clash.
3. If the Clearance + + Clash option is selected, you will have to enter the desired value as clearance before entering the type of computation. 4. Types of Computation: •
Between all components: This checks each product in the document against all other products. This option may take a lot of computing time.
•
Inside one selection: This checks each product in the selection against all other products in the same selection. Continued…
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AM2122 CATIA V5 DMU Space Analysis 5.2.1
Initial Computation, continued •
Selection against all: This checks each product in the defined selection against all other products in the document.
•
Between two selections: This checks each product in the first selection against all other products in the second selection.
5. Select products to be checked. 6. Click on Apply to check for interference. The Check Clash will expand displaying the initial result for computations and a preliminary window displaying products in conflict will pop up. (refer to the following paragraph).
5.2.2
Detailed Computation 1. After the initial computation has been performed and the dialog box Check Clash popped up, results are displayed arranged by conflicts in the List by Conflict tab, each line is one of them.
2. Default selection is the first clash in the list with the respective results of the detailed computation. There is also a preliminary window visualising products in conflict displaying them with different colour codes. Continued…
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AM2122 CATIA V5 DMU Space Analysis 5.2.2
Detailed Computation, continued Colour coding for conflicts Clash: Curves intersection in red : Triangles in yellow Clearance: Triangles in green This preliminary window allows rotating, moving and zooming for better interference visualisation. Results can also be visualised in a dedicated window using the Result Windows
icon
Whenever a conflict is selected from the list, the detailed computation for the interference is started, values for columns Value and Status as well as contents in the preliminary window are updated. 3. Results can be filtered in the dialog box by selecting the different tabs. •
Type of interference: Clash, o Clearance.
•
Value: no filter, increasing value o decreasing value. Penetration depth for a Clash, minimum distance for a Clearance and 0 for a are reported in the Value block.
•
Penetration depth is the minimum distance necessary to translate a product to prevent a Clash.
•
Status: all, no inspected, relevant, irrelevant. All interference are shown as not inspected until a conflict has been selected. An Inspected interference can be relevant or irrelevant.
•
Info: (available when results are compared): old, new, modify.
Do not forget clicking on the Apply Filters to update results 4. To change an inspected conflict Status, click on the Status field of that conflict. The change can be from relevant to irrelevant and vice versa, depending on the initial value. 5. Click on the Comment field to add comments to a conflict and the dialog box to enter them will pop up.
Continued…
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AM2122 CATIA V5 DMU Space Analysis 5.2.2
Detailed Computation, continued 6. If the List by Product tab is selected, conflicts associated to products are displayed. There may be more than a conflict per product. When clicking on the More button in the dialog box, we will get additional information on the products and elements involved in the conflict. 7. Use the Export as 1 2 3 4 5 6 7 8 9 10
35-46613-1001-SPC-1-1-1.1 35-46613-1001-SPC-1-1-1.1 35-46613-1101-SPC-1-1-1.1 35-46613-1101-SPC-1-1-1.1 35-46626-0101-SPC-1-1-1.1 35-46628-0201-SPC-1-1-1.1 35-46628-0201-SPC-1-1-1.1 35-46712-0501-SPC-1-1-1.1 35-46712-0501-SPC-1-1-1.1 95-46781-0101-SPC-1-1-1.1
icon to generate a text (txt, xml, model) file output. 35-46613-1101-SPC-1-1-1.1 95-46785-0101-SPC-1-1-1.1 35-46628-0201-SPC-1-1-1.1 95-46785-0101-SPC-1-1-1.1 95-46781-0101-SPC-1-1-1.1 35-46712-0501-SPC-1-1-1.1 35-46712-0601-SPC-1-1-1.1 35-46712-0601-SPC-1-1-1.1 95-46791-0101-SPC-1-1-1.1 95-46781-0201-SPC-1-1-1.1
Clash Clash Clearance Clearance Clash Clearance
-4,62 -68,76 0,81 0 0 5 0 -0,14 0,63 0
Relevant Relevant Relevant Relevant Relevant Relevant Irrelevant Relevant Relevant Relevant
8. Click on OK to leave. Definition and result are saved in the specifications tree.
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AM2122 CATIA V5 DMU Space Analysis
6
Products Comparison Two products can be compared to detect differences between each other and assess those areas where material has been removed or added. Products can be compared referenced to the absolute axis system for the document or the local axis system. Example below shows a rib on which several modifications have been performed, Web length has been increased, a hole has been cut.
Products to be compared must be in the same CATProduct document.
Click on the Compare Products
icon in the tool bar. Dialog box Compare
Products will pop up
Continued…
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AM2122 CATIA V5 DMU Space Analysis
6
Products Comparison, continued Select products intended to be compared (Old and New Version). Enter an accuracy value for precision computation, default value is 5 mm. If a small value is entered for the accuracy, computation precision will be higher, but execution time will be greatly increased. Display accuracy differs from the Computation accuracy and allows a larger graphic visualisation of results. Select the type of comparison intended to be performed •
Added + removed
•
Added
•
Removed
Results will be displayed in a window. Differences are shown by means of cubes. Material added is shown in red and material removed in green.
If the DMU Optimizer license is available, results (cubes) can be saved in 3dmap format, Save as dialog box will be displayed when clicking on OK. The 3dmap format can be inserted within a product and run commands from other modules such as the DMU Space Analysis (Clash or sectioning) or DMU Navigator (Proximity Query).
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AM2122 CATIA V5 DMU Space Analysis
7
Additional Tools DMU Space Analysis is provided with an additional number of tools. These tools allow measuring the minimum distance and angles between two geometric entities or points, associated properties, arc sections and inertia moments, density and mass.
7.1
Minimum Distance and Angles Measurement Between Geometric Entities or Points This function cannot be used on cgr (visualization format, approximate geometry) files as selection of individual vertices, elements or surfaces is not allowed. Likewise, it happens the same if the document is in the visualisation mode. Mode has to be changed to Design (Edit → Representations → Design Mode) to be able to select entities 1. Select Analyse → Measure Between in the menu bar or the Measure Between icon in the tool bar. The Measure Between dialog box and the Measure tool bar will pop up. Access to the Measure item command
Only in a P1 configuration. •
Measure Dialogs
: This allows displaying or hiding the associated dialog
box. •
Exit Measure
: This allows exiting the function.
2. Select the type of measurement to be performed:
Continued…
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AM2122 CATIA V5 DMU Space Analysis
7.1
Minimum Distance and Angles Measurement Between Geometric Entities or Points, continued •
Between: This measures distances and angles between a reference point and a target point.
•
Chain: This takes the target point as reference for the following measurement.
•
Fan: This sets the selected point as fixed reference for the remaining measurements.
3. Define the measurement mode for reference and target •
Any geometry: Distances and angles between defined geometric entities (points, edges, surfaces, …).
•
Any geometry, infinite: Distances and angles between flat facets laid on infinite planes and straight line segments laid on infinite lines.
•
Point on geometry: Distance between selected points on defined geometric entities.
•
Point only: Distances between points.
•
Edge only, Surface only: Distances and angles between edges and surfaces respectively.
•
Intersection: Distance between an edge and a surface.
•
Edge limits: Distances between points ends and mid points on an edge.
•
Arc centre: Distances between arc centres.
•
Co-ordinate: Distance between input co-ordinates for the target and/or reference points.
4. When measuring, the pointer changes its shape showing an additional number, 1 for the reference point and 2 for the target point. A line represents the minimum distance vector and the values will be displayed in the dialog box
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AM2122 CATIA V5 DMU Space Analysis
7.2
Properties Analysis This function cannot be used on cgr files as selection of individual vertices, elements or surfaces is not allowed. Likewise, it happens the same if the document is in the visualisation mode, mode has to be changed to Design (Edit → Representations → Design Mode) to be able to select entities. Select Analyze → Measure Item in the menu bar or the Measure Item
icon in the
tool bar. Dialog box Measure Item and tool bar Measure will pop up.
Only in P1 configuration •
Measure Dialogs
: This allows displaying or hiding the associated dialog
box. •
Exit Measure
: This allows exiting the function.
If button Customize is clicked on the dialog box the type of analysis intended to be performed can be selected. The different types of analysis associated to each element can be selected from the following customizing .
The dialog box will report a different result depending on the element selected. Continued…
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AM2122 CATIA V5 DMU Space Analysis
7.2
Properties Analysis, continued
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AM2122 CATIA V5 DMU Space Analysis
7.3
Arc Sections Measurement Select the Arc through Three Points
icon in the tool bar or Analyze → Arc
through Three Points in the menu bar. The Measure Arc Section dialog box and the Measure tool bar will pop up. Only in P1 configuration •
Measure Dialogs
: This allows displaying or hiding the associated dialog
box. •
Exit Measure
: This allows exiting the function.
Select three points along a curve or on an arc. Pointer shape will change showing the type of measurement we are performing, a number will let us know the measurement step we are in (1, 2 y 3).
The dialog box is updated, providing information about the length, angle and arc radius or diameter as well as the co-ordinates for the initial, mid and final points.
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AM2122 CATIA V5 DMU Space Analysis
7.4
Inertia Analysis Select the Measure Inertia
icon in the tool bar or select Analyze → Measure Inertia
from the menu bar. The Measure Inertia dialog box will pop up:
Clicking on the Customize button will allow selection of the type of analysis intended to be performed.
If any element is selected on the document, after the computation time has elapsed, the Measure Inertia dialog box expands showing results of analysis.
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AM2122 CATIA V5 DMU Space Analysis
Approval This document has been approved by: (signatures or proof of agreement are archived together with the master document) Function/Organization
Approval/Name
ACE/SPD/Cax Technology/Method
Pedro-Jesus Cano-Rodriguez
ACE/SPD/A-C Process/DMU Construction
Emmanuel Pere
EAQ
D. Olsen
SPD ACE
E. Le-Floch
Record of revisions Issue A
Date
Summary and reasons for changes
Dec 2002
Initial issue
If you have a query concerning the implementation or updating of this document, please the Owner on page 1 or the following: Team
Company/Department
Telephone
F. Kautz
Airbus Deutschland
49 421 538 3704
B. Maitre
EMKT
33 61 18 61 04
JA. Jurado
Airbus España
34 91 624 1292
M. Horwood
Airbus UK
0117 936 5081
For general queries or information : Airbus Documentation Office, Airbus, 31707 Blagnac CEDEX, Tel: 33 (0)5 61 93 49 93 Fax: 33 (0)5 61 93 27 44
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Means and Methods
CATIA V5 DMU Space Analysis
PURPOSE:
SCOPE: DMU Space Analysis, is a module dedicated to operations performed within the DIGITAL MOCK-UP environment. Usage thereof will allow performing measurements on minimum distances between parts in a product, operations with sectioning planes, detection of s and clashes, 3D products measurement and comparison, inertia analysis, etc. This manual is update to V5 R8.
Owner’s Approval: (signed)
Name Function
: P. Cano : CAD/CAM/PDM Airbus España
Authorization: (signed) Date
: 28 Jan 2003
Name Function
: U. Schumann-Hindenberg : Head of CAD/CAM Configuration Management (EODK)
Airbus SAS 2002. All rights reserved. Confidential and proprietary document
Issue: A
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AM2122 CATIA V5 DMU Space Analysis
Table of contents 1
Foreword.................................................................................... 4
2
Setting Up a Session ................................................................ 5
2.1
Accessing the Workbench ........................................................................ 5
3
Minimum Distances Between Products .................................. 6
3.1
Measuring Distances ................................................................................. 6
3.2
Minimum Distance With a Defined Range (Band Analysis)................... 8
4
Sectioning.................................................................................. 9
4.1
Plane Generation ....................................................................................... 9
4.2
Editing Plane ............................................................................................ 10
4.3
Plane, Slice and Box Sections................................................................ 12
4.4
3D Cuts ..................................................................................................... 13
4.5
Sections Visualisation............................................................................. 14
5
Clash Analysis ........................................................................ 18
5.1
Part-To-Part Clash ................................................................................... 18
5.2
Clash Command....................................................................................... 19
6
Products Comparison ............................................................ 23
7
Additional Tools...................................................................... 25
7.1
Minimum Distance and Angles Measurement Between Geometric Entities or Points ..................................................................................... 25
7.2
Properties Analysis ................................................................................. 27
7.3
Arc Sections Measurement..................................................................... 29
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AM2122 CATIA V5 DMU Space Analysis
7.4
Inertia Analysis ........................................................................................ 30
Approval ................................................................................................................. 31 Record of revisions ............................................................................................... 31
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AM2122 CATIA V5 DMU Space Analysis
1
Foreword DMU Space Analysis, is a module dedicated to operations performed within the DIGITAL MOCK-UP environment.
Usage Of this tool will allow us performing measurements on minimum distance between parts in a product, operations with sectioning planes, detecting s and clashes, measuring and comparing 3D products, inertia analysis, etc. They way it is used will be established in the following chapters.
Issue: A
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AM2122 CATIA V5 DMU Space Analysis
2
Setting Up a Session
2.1
Accessing the Workbench To gain access to the DMU Space Analysis select Digital Mockup → DMU Space Analysis in the menu bar Start option.
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AM2122 CATIA V5 DMU Space Analysis
3
Minimum Distances Between Products You will be able to know the minimum absolute distances between products (product is assumed to be any component or part) or in the X, Y and Z direction in different ways: •
Inside one selection: Checks each product in the selection against all other products in the same selection.
•
Between two selections: Checks each product in the first selection against all products in the second selection.
•
Selection against all: Checks each product in the selection defined against the other products in the document.
You will also be able to calculate and visualise the areas on products corresponding to the minimum distance with a defined range. Green
Area in green colour on A corresponds to all points
Red
included in A with a minimum distance with respect to B within the minimum and maximum defined range. Area in red colour on A corresponds to all points included in A with a minimum distance with respect to B shorter than the minimum defined distance.
3.1
Measuring Distances Example: Measuring minimum distance between two points in two different selections. Select the Distance and Band Analysis
icon in the tool bar. Dialog box Edit
Distance and Band Analysis will pop up. Select a product and select option Between two selections, then select the second product. Continued…
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AM2122 CATIA V5 DMU Space Analysis
3.1
Measuring Distances, continued
Click on Apply to calculate the distance between the selected products, a preliminary window will pop up visualising the minimum distance (displayed by means of a line, two crosses and a value), the dialog box expands to display results and the minimum distance will also be visualised on the geometry area. With the result window button we can view the result in a separate view.
Results windows
Click on OK in the dialog box Edit Distance and Band Analysis. Result becomes part of the specification tree.
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AM2122 CATIA V5 DMU Space Analysis
3.2
Minimum Distance With a Defined Range (Band Analysis) Example: Band analysis between two products in the same selection. Procedure will be the same as in paragraph 3.1, after positioning on the dialog box, we select the Band analysis type of computation, then the two products intervening in the analysis within the same selection will be selected. Enter the Minimum and Maximum distances to define the band width, e.g. 110 y 130 mm and click on Apply. With the export as button you can save the Band analysis result in *.model, *.cgr, *.VRML, *.XML, files.
Export as
Those areas coloured in green identify the areas wherein the minimum distance between products is within the specified range. Those areas coloured in red identify the areas wherein the minimum distance between products is shorter than that specified as minimum distance. Dialog box Edit Distance and Band Analysis includes filters for better visualisation of surfaces in red and green. Click on OK in the dialog box Edit Distance and Band Analysis. Result becomes a part of the specifications tree.
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AM2122 CATIA V5 DMU Space Analysis
4
Sectioning Using sectioning planes, you will be able to create planar sections (by means of a plane), slice sections (limited by two planes), box sections (limited within a prism) and also 3D section cuts on a product in an automated manner. Sectioning is performed in a dynamic manner just manipulating the sectioning planes. You will be able to use sections to assess clashes between products or checking minimum distances and separate visualisation of sections in different windows for detailed analysis.
4.1
Plane Generation Select Insert → Sectioning from the menu bar or click on the Sectioning
icon in
the tool bar. The plane is created parallel to the plane YZ. The centre of the plane is located in the centre of a sphere enveloping the product defined in selection. Line segments visualised represent the intersection of the plane with the selected point. The sectioning plane is limited and has its own local axis system identified as xyz (lower case). Z Axis is the vector normal to the plane.
Sectioning plane referenced to the YZ plane of absolute axis
XY sectioning plane contained in the local axis system, Z is normal thereto.
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AM2122 CATIA V5 DMU Space Analysis
4.2
Editing Plane The sectioning plane or the master plane in the case of slice and box sections can be resized, moved and rotated. When the pointer is moved over the plane, the edge of the plane or the axis system, the auxiliary geometry will pop up, this will allow making changes just clicking with mouse and dragging it
4.2.1
Resizing Plane
4.2.2
Moving Along the Vector Normal to the Plane
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AM2122 CATIA V5 DMU Space Analysis
4.2.3
Rotation
4.2.4
Moving Plane XY
All of the above operations (4.2.1 au 4.2.4) can also be performed using the Edit Position and Dimensions
icon in the tool bar.
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AM2122 CATIA V5 DMU Space Analysis
4.2.5
Inverting the Normal The normal to the plane in the local axis system can be inverted, especially when certain determined sections are to be obtained. For this purpose, select the Invert Normal icon in the tool bar.
4.2.6
Geometrical Target When the Geometrical Target
icon is selected on the tool bar, the plane can be
located with respect to a geometrical target. A rectangle representing the plane will appear, the plane shall be located wherein you move the pointer.
4.2.7
Resetting the Plane Using the Reset Position
icon you will be always able to go back to the initial
position of the plane.
4.3
Plane, Slice and Box Sections Select Insert → Sectioning on the menu bar or click on the Sectioning
icon in the
tool bar. Submenu in the tool bar will select the icon corresponding to the type of sectioning. Section Plane
Continued…
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AM2122 CATIA V5 DMU Space Analysis
4.3
Plane, Slice and Box Sections, continued Section Slice
Section Box
4.4
3D Cuts Select the Volume Cut
icon in the tool bar to do a 3D cut. A 3D cut removes
material from the plane in a direction opposed to the normal, on both sides of the slice or around the box showing the remainder of the product.
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AM2122 CATIA V5 DMU Space Analysis
4.5
Sections Visualisation After the section has been obtained in the usual manner, or editing it from the specification tree double clicking if it existed previously, select the Results Windows icon in the tool bar. A window will pop up displaying the front view of the section only. The 3D visualisation tools are available in this window too. Icon Lock 2D
can be
activated for the view to become 2D, also flipping and rotating the section using icons Flip
and Rotate
.
Select Window → Tile Horizontally or Tile Vertically in the menu bar to arrange the windows. If you deactivate the Section fill
icon you obtain an unfilled view.
Continued…
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AM2122 CATIA V5 DMU Space Analysis
4.5
Sections Visualisation, continued When clicking on the Grid
icon, a grid is added over the section, if it is desired to
change the outer size, just resize the sectioning plane.
Use the Edit Grid
icon to change the spacing, style and mode of the grid. The Edit
Grid dialog box will pop up.
In the absolute mode, the grid co-ordinates are defined with respect to the absolute axis system for the document. In the relative mode, the centre of the grid is located on the centre of the sectioning plane. Default value for the grid spacing is 100 and style is lines. These values can also be altered. Clicking with the right hand side mouse button, Co-ordinates for the intersection of lines making up the grid will be displayed, these can be set with the left hand side button. The Clean All command deletes all positioned co-ordinates. Continued…
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AM2122 CATIA V5 DMU Space Analysis
4.5
Sections Visualisation, continued
You will be able to measure minimum distances and angles; also, other properties on the sections generated and store results of measurements and annotations. Additional tools for these cases will be found in the Analyse option in the menu bar in the sectioning window. It also will be possible to add 3D annotations on the section view or using the temporary markers (Graphic Messages) and fix contents thereof if necessary.
Continued…
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AM2122 CATIA V5 DMU Space Analysis
4.5
Sections Visualisation, continued You can detect collisions between 2D sections. To do so, click the Clash Detection icon in the Sectioning Definition dialog box.
With the freeze command
you can control the automatic update of the section. If you
activate this command the section is not automatically update if you move the section plane. If you select the automatic update icon
, the section automatically change
when we move the section plane.
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AM2122 CATIA V5 DMU Space Analysis
5
Clash Analysis You can analyse Clash, and Clearance conflicts in documents to assess which components interfere with others. Depending on the needs, several levels of analysis are performed, from a simple detection of interference between parts to a detailed clash, or clearance between products or elements. Results will differ depending on the type of interference selected for analysis
5.1
Part-To-Part Clash Select Analyse → Part to Part Clash in the menu bar and the Clash Detection dialog box will pop up.
•
Clash ( + Clash) Detects areas in the parts occupying the same space and parts in .
•
Clearance (Clearance + + Clash) Detects areas in the parts occupying the same space and parts in , and parts separated in a distance shorter than that defined as clearance.
Results will differ based on the option selected for analysis. Select two parts in the document (CTRL), these will be shown in the dialog box.
Analysis is performed when clicking on Apply. The different results will be shown by means of foggy lines in different colours. •
Red
Clash
•
Yellow
•
Green
Clearance
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AM2122 CATIA V5 DMU Space Analysis
5.2
Clash Command Interference check is performed in two steps. •
Initial Computation: Detects and identifies the different types of interference.
•
Detailed Computation: Depending on the Clash parameters (Tools → Options → Product → DMU Clash), this calculates graphic depiction of interference as well as depth of penetration or minimum distance
5.2.1
Initial Computation 1. Select Insert → Clash from the menu bar or click on the Clash
icon in the tool
bar. Check Clash dialog box will pop up.
Default interference analysis is + Clash and Between all components. 2. Types of Interference: •
+ Clash: This checks whether two products occupy the same area in space and whether two products are ing (minimum distance is shorter than tolerance).
•
Clearance + + Clash: This checks whether two products are separated in a distance shorter than the one defined in Clearance in addition to the above.
•
Authorised Penetration: Lets you define a margin within which two products can occupy the same space zone without generating a clash.
3. If the Clearance + + Clash option is selected, you will have to enter the desired value as clearance before entering the type of computation. 4. Types of Computation: •
Between all components: This checks each product in the document against all other products. This option may take a lot of computing time.
•
Inside one selection: This checks each product in the selection against all other products in the same selection. Continued…
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AM2122 CATIA V5 DMU Space Analysis 5.2.1
Initial Computation, continued •
Selection against all: This checks each product in the defined selection against all other products in the document.
•
Between two selections: This checks each product in the first selection against all other products in the second selection.
5. Select products to be checked. 6. Click on Apply to check for interference. The Check Clash will expand displaying the initial result for computations and a preliminary window displaying products in conflict will pop up. (refer to the following paragraph).
5.2.2
Detailed Computation 1. After the initial computation has been performed and the dialog box Check Clash popped up, results are displayed arranged by conflicts in the List by Conflict tab, each line is one of them.
2. Default selection is the first clash in the list with the respective results of the detailed computation. There is also a preliminary window visualising products in conflict displaying them with different colour codes. Continued…
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AM2122 CATIA V5 DMU Space Analysis 5.2.2
Detailed Computation, continued Colour coding for conflicts Clash: Curves intersection in red : Triangles in yellow Clearance: Triangles in green This preliminary window allows rotating, moving and zooming for better interference visualisation. Results can also be visualised in a dedicated window using the Result Windows
icon
Whenever a conflict is selected from the list, the detailed computation for the interference is started, values for columns Value and Status as well as contents in the preliminary window are updated. 3. Results can be filtered in the dialog box by selecting the different tabs. •
Type of interference: Clash, o Clearance.
•
Value: no filter, increasing value o decreasing value. Penetration depth for a Clash, minimum distance for a Clearance and 0 for a are reported in the Value block.
•
Penetration depth is the minimum distance necessary to translate a product to prevent a Clash.
•
Status: all, no inspected, relevant, irrelevant. All interference are shown as not inspected until a conflict has been selected. An Inspected interference can be relevant or irrelevant.
•
Info: (available when results are compared): old, new, modify.
Do not forget clicking on the Apply Filters to update results 4. To change an inspected conflict Status, click on the Status field of that conflict. The change can be from relevant to irrelevant and vice versa, depending on the initial value. 5. Click on the Comment field to add comments to a conflict and the dialog box to enter them will pop up.
Continued…
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AM2122 CATIA V5 DMU Space Analysis 5.2.2
Detailed Computation, continued 6. If the List by Product tab is selected, conflicts associated to products are displayed. There may be more than a conflict per product. When clicking on the More button in the dialog box, we will get additional information on the products and elements involved in the conflict. 7. Use the Export as 1 2 3 4 5 6 7 8 9 10
35-46613-1001-SPC-1-1-1.1 35-46613-1001-SPC-1-1-1.1 35-46613-1101-SPC-1-1-1.1 35-46613-1101-SPC-1-1-1.1 35-46626-0101-SPC-1-1-1.1 35-46628-0201-SPC-1-1-1.1 35-46628-0201-SPC-1-1-1.1 35-46712-0501-SPC-1-1-1.1 35-46712-0501-SPC-1-1-1.1 95-46781-0101-SPC-1-1-1.1
icon to generate a text (txt, xml, model) file output. 35-46613-1101-SPC-1-1-1.1 95-46785-0101-SPC-1-1-1.1 35-46628-0201-SPC-1-1-1.1 95-46785-0101-SPC-1-1-1.1 95-46781-0101-SPC-1-1-1.1 35-46712-0501-SPC-1-1-1.1 35-46712-0601-SPC-1-1-1.1 35-46712-0601-SPC-1-1-1.1 95-46791-0101-SPC-1-1-1.1 95-46781-0201-SPC-1-1-1.1
Clash Clash Clearance Clearance Clash Clearance
-4,62 -68,76 0,81 0 0 5 0 -0,14 0,63 0
Relevant Relevant Relevant Relevant Relevant Relevant Irrelevant Relevant Relevant Relevant
8. Click on OK to leave. Definition and result are saved in the specifications tree.
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AM2122 CATIA V5 DMU Space Analysis
6
Products Comparison Two products can be compared to detect differences between each other and assess those areas where material has been removed or added. Products can be compared referenced to the absolute axis system for the document or the local axis system. Example below shows a rib on which several modifications have been performed, Web length has been increased, a hole has been cut.
Products to be compared must be in the same CATProduct document.
Click on the Compare Products
icon in the tool bar. Dialog box Compare
Products will pop up
Continued…
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AM2122 CATIA V5 DMU Space Analysis
6
Products Comparison, continued Select products intended to be compared (Old and New Version). Enter an accuracy value for precision computation, default value is 5 mm. If a small value is entered for the accuracy, computation precision will be higher, but execution time will be greatly increased. Display accuracy differs from the Computation accuracy and allows a larger graphic visualisation of results. Select the type of comparison intended to be performed •
Added + removed
•
Added
•
Removed
Results will be displayed in a window. Differences are shown by means of cubes. Material added is shown in red and material removed in green.
If the DMU Optimizer license is available, results (cubes) can be saved in 3dmap format, Save as dialog box will be displayed when clicking on OK. The 3dmap format can be inserted within a product and run commands from other modules such as the DMU Space Analysis (Clash or sectioning) or DMU Navigator (Proximity Query).
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AM2122 CATIA V5 DMU Space Analysis
7
Additional Tools DMU Space Analysis is provided with an additional number of tools. These tools allow measuring the minimum distance and angles between two geometric entities or points, associated properties, arc sections and inertia moments, density and mass.
7.1
Minimum Distance and Angles Measurement Between Geometric Entities or Points This function cannot be used on cgr (visualization format, approximate geometry) files as selection of individual vertices, elements or surfaces is not allowed. Likewise, it happens the same if the document is in the visualisation mode. Mode has to be changed to Design (Edit → Representations → Design Mode) to be able to select entities 1. Select Analyse → Measure Between in the menu bar or the Measure Between icon in the tool bar. The Measure Between dialog box and the Measure tool bar will pop up. Access to the Measure item command
Only in a P1 configuration. •
Measure Dialogs
: This allows displaying or hiding the associated dialog
box. •
Exit Measure
: This allows exiting the function.
2. Select the type of measurement to be performed:
Continued…
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AM2122 CATIA V5 DMU Space Analysis
7.1
Minimum Distance and Angles Measurement Between Geometric Entities or Points, continued •
Between: This measures distances and angles between a reference point and a target point.
•
Chain: This takes the target point as reference for the following measurement.
•
Fan: This sets the selected point as fixed reference for the remaining measurements.
3. Define the measurement mode for reference and target •
Any geometry: Distances and angles between defined geometric entities (points, edges, surfaces, …).
•
Any geometry, infinite: Distances and angles between flat facets laid on infinite planes and straight line segments laid on infinite lines.
•
Point on geometry: Distance between selected points on defined geometric entities.
•
Point only: Distances between points.
•
Edge only, Surface only: Distances and angles between edges and surfaces respectively.
•
Intersection: Distance between an edge and a surface.
•
Edge limits: Distances between points ends and mid points on an edge.
•
Arc centre: Distances between arc centres.
•
Co-ordinate: Distance between input co-ordinates for the target and/or reference points.
4. When measuring, the pointer changes its shape showing an additional number, 1 for the reference point and 2 for the target point. A line represents the minimum distance vector and the values will be displayed in the dialog box
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AM2122 CATIA V5 DMU Space Analysis
7.2
Properties Analysis This function cannot be used on cgr files as selection of individual vertices, elements or surfaces is not allowed. Likewise, it happens the same if the document is in the visualisation mode, mode has to be changed to Design (Edit → Representations → Design Mode) to be able to select entities. Select Analyze → Measure Item in the menu bar or the Measure Item
icon in the
tool bar. Dialog box Measure Item and tool bar Measure will pop up.
Only in P1 configuration •
Measure Dialogs
: This allows displaying or hiding the associated dialog
box. •
Exit Measure
: This allows exiting the function.
If button Customize is clicked on the dialog box the type of analysis intended to be performed can be selected. The different types of analysis associated to each element can be selected from the following customizing .
The dialog box will report a different result depending on the element selected. Continued…
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AM2122 CATIA V5 DMU Space Analysis
7.2
Properties Analysis, continued
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AM2122 CATIA V5 DMU Space Analysis
7.3
Arc Sections Measurement Select the Arc through Three Points
icon in the tool bar or Analyze → Arc
through Three Points in the menu bar. The Measure Arc Section dialog box and the Measure tool bar will pop up. Only in P1 configuration •
Measure Dialogs
: This allows displaying or hiding the associated dialog
box. •
Exit Measure
: This allows exiting the function.
Select three points along a curve or on an arc. Pointer shape will change showing the type of measurement we are performing, a number will let us know the measurement step we are in (1, 2 y 3).
The dialog box is updated, providing information about the length, angle and arc radius or diameter as well as the co-ordinates for the initial, mid and final points.
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AM2122 CATIA V5 DMU Space Analysis
7.4
Inertia Analysis Select the Measure Inertia
icon in the tool bar or select Analyze → Measure Inertia
from the menu bar. The Measure Inertia dialog box will pop up:
Clicking on the Customize button will allow selection of the type of analysis intended to be performed.
If any element is selected on the document, after the computation time has elapsed, the Measure Inertia dialog box expands showing results of analysis.
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AM2122 CATIA V5 DMU Space Analysis
Approval This document has been approved by: (signatures or proof of agreement are archived together with the master document) Function/Organization
Approval/Name
ACE/SPD/Cax Technology/Method
Pedro-Jesus Cano-Rodriguez
ACE/SPD/A-C Process/DMU Construction
Emmanuel Pere
EAQ
D. Olsen
SPD ACE
E. Le-Floch
Record of revisions Issue A
Date
Summary and reasons for changes
Dec 2002
Initial issue
If you have a query concerning the implementation or updating of this document, please the Owner on page 1 or the following: Team
Company/Department
Telephone
F. Kautz
Airbus Deutschland
49 421 538 3704
B. Maitre
EMKT
33 61 18 61 04
JA. Jurado
Airbus España
34 91 624 1292
M. Horwood
Airbus UK
0117 936 5081
For general queries or information : Airbus Documentation Office, Airbus, 31707 Blagnac CEDEX, Tel: 33 (0)5 61 93 49 93 Fax: 33 (0)5 61 93 27 44
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