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[ANSYS] change shell thickness/elastic modulus, then restart
 
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ugo.martignoni
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Joined: 03 Apr 2009
Posts: 12

PostPosted: Thu Jun 25, 2015 11:30 pm  Reply with quote

Dear all

I'm working with ANSYS Classic.

I ran a first step (static, non-linear) with a certain shell thickness (SECDATA in /PREP7) and elastic modulus. Now I would like to change these values and run a RESTART analysis.

First I tried to change thickness/modulus in PREP7, and then restarted the analysis, but the database updates to the old values.

Then, I tried with:
1. /solu,,restart
2. INISTATE, write...
3. /prep7, change thk/E, UPGEOM (to 'load' the geometric config)
4. /solu,,new
5. INISTATE, READ... (to 'load' stress state).
but it does not seem to work (the .ist file written is empty). Anyway, I guess the INISTATE reads/loads only values directly applied with INISTATE command.

I think there could be a way to write stress/strain values (in POST1, for example) and then load them (SOLU?) in the modified db (change thk, E, UPGEOM), but I cannot find a way.

Did somebody already face the question?
Any help would be greatly appreciated!
thanks in advance,

Ugo Martignoni

ugo.martignoni@airlightenergy.com
Airlight Energy
via industria 10
6710 Biasca
Switzerland
Tel +41 91 873 05 05
Fax +41 91 862 49 81
www.airlightenergy.com
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