Submodels and Laminate Optimization
I'm trying to do a model to make a laminate optimization, but I need to use submodels because in most loadsteps I use one type of elements, and for only one loadstep I change to a rigid (it's for the spring / dumper of the suspension of a formula student car).
My problem is that I wanted to use the objective of minimizing the weighted compliance in my optimization, but as I'm using submodels, I can´t. Also, I wanted to use the responde mass in the property of my laminate, but I can't too, even though in the error it says that I only can use responses that resort to property (or materials), that it's what I'm using for the response mass - the property of the laminate.
How can I solve this problem? If I can´t use weighted compliance, what is the best option? And how can I use the response mass?
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I know how to make the topology optimization for laminates. My problem is that to translate the loads to my chassis, in all of the loadsteps except one I model the damper as a spring (CBUSH1D) elements, and for one especific case I have to model it as a RBE2 element.
Because of that I tried to use the submodels in the loadsteps, but because of that I'm limited in the responses that I can use, because I receive the error in the image atached.
<?xml version="1.0" encoding="UTF-8"?>
I afraid that subcase specific modeling is not suppported for composites. For composite Optimization you can refer below online Tutorial which is done in three phase.
OS-T: 3200 Design of a Composite Aircraft Underbelly Fairing