Constraint in Full Body Model

Provide easy-to-use, extensible software for modeling, simulating, controlling, and analyzing the neuromusculoskeletal system.
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Quinten Humphrey
Posts: 36
Joined: Mon Feb 08, 2021 2:36 pm

Constraint in Full Body Model

Post by Quinten Humphrey » Sun May 16, 2021 10:56 pm

Hello, I have created a full body model and when I load it I get the following errors.

Model unable to assemble: AssemblySolver::assemble() Failed: SimTK Exception thrown at Assembler.cpp:871:
Method Assembler::assemble() failed because:
Optimizer failed with message: SimTK Exception thrown at InteriorPointOptimizer.cpp:264:
Optimizer failed: Ipopt: Infeasible problem detected (status 2)
Assembly error tolerance achieved: 0.013699999999999962 required: 1e-10.
Model relaxing constraints and trying again.

I know it has to do with the constraints and have tried removing them only to find out some body parts will not be connected to one another. I attached my model if anyone would like to take a look at it.
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Humphrey_fullbody.rar
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Last edited by Quinten Humphrey on Tue May 18, 2021 3:31 pm, edited 1 time in total.

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Thomas Uchida
Posts: 1786
Joined: Wed May 16, 2012 11:40 am

Re: Constraint in Full Body Model

Post by Thomas Uchida » Mon May 17, 2021 7:33 am

Please see Ayman's response to topic 13365:viewtopicPhpbb.php?f=91&t=13365.

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