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Workshop 5 Model With Solids, Plates and Beams: WS5 - 1 NAS105, Workshop 5, May 2005

This document provides instructions for a Nastran workshop involving modeling with solids, plates, and beams. Students are asked to run a provided Nastran input file, examine the results for rigid body modes and why they exist, and debug the model by setting parameters to eliminate extra rigid body modes or adding constraint commands between parts. Solution files are provided to test different approaches to debugging the model.

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Humayun Nawaz
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51 views4 pages

Workshop 5 Model With Solids, Plates and Beams: WS5 - 1 NAS105, Workshop 5, May 2005

This document provides instructions for a Nastran workshop involving modeling with solids, plates, and beams. Students are asked to run a provided Nastran input file, examine the results for rigid body modes and why they exist, and debug the model by setting parameters to eliminate extra rigid body modes or adding constraint commands between parts. Solution files are provided to test different approaches to debugging the model.

Uploaded by

Humayun Nawaz
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as PDF, TXT or read online on Scribd
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WORKSHOP 5

MODEL WITH SOLIDS, PLATES AND


BEAMS

NAS105, Workshop 5, May 2005 WS5 -1


NAS105, Workshop 5, May 2005 WS5 -2
Tasks

 Run the given nastran input file (workshop5.dat)


 Study the .f06 file. How many rigid body modes? Why ?
 Try and Debug the model by:
 a. By setting K6ROT= 0, and AUTSPC = NO
 b. By setting K6ROT= 0, and AUTSPC = NO, and add
RSSCON command(s) at the solid-shell interface.

NAS105, Workshop 5, May 2005 WS5 -3


Problem Files

 Required File(s):
workshop5.dat

 Proposed Solution File(s):


ws5s_a.bdf - K6ROT= 0, and AUTSPC = NO

ws5s_b.bdf - K6ROT= 0, and AUTSPC = NO, and


RSSCON commands

NAS105, Workshop 5, May 2005 WS5 -4

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