Transcript What's New NX 6 CAE - Siemens PLM Community

Importing Foreign Data
and Maintaining
Associativity
Marilyn Tomlin
CAE COE
March 2009
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Associativity for Imported Data
1.
Create a new part
2.
Import IGES/ProE/STEP data
3.
Switch to Advanced Simulation and create and Idealized part,
FEM and SIM.
4.
Switch to the Idealized part.
 Insert/Associated Copy/Wave Link
Green lettering indicates the
steps required to maintain
associativity.
 Select all bodies
5.
In the FEM and SIM files, create the mesh, properties and
boundary conditions. Solve the model.
6.
SAVE ALL files.
7.
Create a new part.
8.
Import the revised geometry in the same format.
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Associativity for Imported Data
9. Switch to the Idealized part and the Modeling application.
10. Open the assembly tab, highlight the original part.
 Under the 3rd MB, Select “Replace Component”
 When prompted select the revised part
11. Switch to the Part Navigator, highlight the Linked Part.
 Under the 3rd MB, Select “Update Link”
 Select the replacement part
 Select the Replacement Assistant
 Select the geometric update
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Associativity for Imported Data
13. Switch to the FEM and update the Mesh.
 If any modifications were done on the FE entity level,
they will need to be repeated.
14. In the SIM, create a clone of the original solution. Solve
the new model.
Both results files are available to compare.
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Setting Defaults
Verify that the defaults
shown have been set.
File
 Options
 Customer Defaults
These are required for
the idealized geometry.
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Create a New Part
A new part must
be created before
importing data.
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Importing Data
Select the import
file type desired.
Fill out the
required data on
the form.
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Create FEA Files
Switch to the Advanced Simulation
application.
Create a new FEM and SIM.
Make sure that “Create Idealized Part”
option is checked.
To make geometry
selection easier,
change the use bodies
to ‘Select Bodies’ and
do not select any
bodies.
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Create Wave Link
Switch to the Idealized
part.
Create a wave link of
the geometry.
 All bodies can be
selected.
 Turn on the “Hide
Original” option.
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Create FEA Model
If the “Select Bodies” option
was chosen, you need to add
geometry to the FEM.
Highlight the FEM
 Under the 3rd Mouse
button, select Edit
Select all bodies.
 Only the linked bodies
should be displayed
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Create FEA Model
Create the required mesh in
the FEM.
Create the desired boundary
conditions in the SIM.
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Solve
• Solve
• Review Results
• SAVE ALL files
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Revised Part
Create a new file and
import the revised data.
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Using the Revised Part
Switch to the idealized part.
Select the Assembly Navigator.
 Highlight the part
 Under 3rd Mouse Button, select
When prompted select the revised part.
This part can be loaded into NX or can
be selected from the O/S.
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JT Update
For JT files, a new revised part
does not need to be created.
Replace the original JT file on
the O/S with the revised JT.
 Use the same name
Make the part the displayed part.
Select: File/Properties
Select: Update Part File
Switch to the idealized part.
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Updating the Part
Switch to the Part Navigator
Highlight the Linked Body
 Under the 3rd Mouse Button
select Edit Parameters
 Select the new body.
Select the Replacement
Assistant
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Updating the Part
Select the Geometric
matching algorithm
Select the Find Geometric
Matches
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Updating the Part
To verify matches, each match can be highlighted.
The total number of matches will be shown in the lower right
corner.
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Updating FEM
Switch to the FEM.
Select the Update Mesh icon.
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Clone the Solution
Highlight Solution 1
 Under 3rd Mouse Button select Clone
 Rename the new Solution
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Compare Solutions
Solve the new solution.
Both solutions can be
displayed in the Post
Navigator.
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Weld Example
Original part is shown. There are 2 bodies.
The weld was added to the idealized part.
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FEM and SIM
The mesh and boundary conditions were applied.
The model was solved.
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Updated Part
The model was updated.
The new FEM is shown.
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THANK YOU!
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