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Please provide a little bit more information: (1) What is your model about and what do you expect it to do? I notice that you have rigid interfaces between the Soft tissue (Ogden material) and the Rigid-Calc (rigid body). However, the surfaces you have defined go beyond the actual boundaries of the Rigid-Calc body. Is your base model able to run properly? (2) If so, then what error message do you get with the optimization analysis?
Thanks for your reply.
The model is about doing indentation on soft tissue. The rigid-Cal is bone and actually I used the soft tissue surface to make it. I don't mind not to have it and I can fix that part of the soft tissue properly. The reason I am using it, is that I have to get the reaction force in order to do optimisation.
The model runs properly without running optimisation.
When I run the optimisation, just it doesnt work. I didnt get any message, just the program stopped working.
Probably some more useful information:
I have the force deformation graph from experiments. The experiment was in a constant deformation rate so I have the load-time on the probe (the rigid body or the calcaneus rigid body) during the experiments. I imported the force during the time in optimisation input file. I want to optimise the material coefficients of the soft tissue in a way that the force-time graph from FE results get closer to the experimental data. I changed the optimisation file in different ways but those didn't work. The file without optimisation part works properly and I dont have any idea how can I change it to work.
(If necessary, substitute whichever alias you use to run febio2 on your machine.) They all run properly for me, so please clarify what is not working for you.
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