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solver algorithms Topology Optimization

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I looked in the documentation but don't succes to make up my mind:

Which are the solver methods used for topology optimization?

I found that solvers used are 





But in the beginning of the user manual Altair also talks about the optimality criteria method but in the manual I can not find anything about it.

Which is the default solver for topology optimization and which others optimization algorithms can be used to solve a topology optimization problem?

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Hi ElineH - 

In the help for DOPTPRM, note 1 says "optimization algorithms are automatically selected by OptiStruct based on the optimization type". 



I'm looking at a .out file from a run, and I see no information stating which method it actually used.  Perhaps there's a setting to get more verbose output, but I'm not seeing anything obvious.


- Robert

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