Optimization not working properly

[Franzi]

Hello,
I am trying to fit my reaction force values to an experimental curve, see op.feb. However, the optimization runs the same combination of...

[rsantamaria]

I am currently working on optimizing the parameters for the Coupled Transversely Isotropic Veronda-Westmann model for my thesis. The parameters I am trying...

[kk1101]

Hi all, I am using a biphasic model and trying to optimize for a specific hydraulic permeability using a target fluid flux. However, I am getting the...

[cjwang]

I would like to derive the fiber angle (uncoupled solid mixture material) with the optimization module. However, it gives me an "invalid parameter...

[cjwang]

I would like to use 1 principal Lagrange strain value as the target for the optimization. However, I don't know the variable name for it. What is the...

[jbarsima]

Hello,

I have a data set for stress relaxation and creep and I want to use the FeBio built-in parameter optimization tool to find the optimal...

[jbarsima]

I am running an optimization where I am trying to find the optimal parameters for Ogden Unconstrained. For the parameter "c1" I defined the...

[jbarsima]

Hello,

I have a set of experimental data that contains time and volume. My goal is to optimize a set of variables to match the simulation's...

[Fikunwa]

Hi Plugin developers,

I would like to use FEBio's material parameter optimization capability to obtain isotropic material parameters of a...

[avb2132]

Hello,

I'm having issues running parameter optimization on the simulation of an indentation experiment. On the attached opt file, I am trying...

[bbjohnston]

Hello,

I am trying to run a constrained levmar optimization on a biphasic material with data fit to stress experimental data and I am getting...

[dereknesbitt]

Hello
I am having difficulty with parameter optimization with a solid mixture comprised of a neo-hookean ground substance and the fiber-exponential-power...

[crandallc]

Is it possible to use element_data class parameters to optimize in FEBio? I have tried and get the error that optimize fails to initialize task. I did...

[ftravascio]

Dear FEBio Team,

I am having issues trying to curvefit experimental data from creep tests.

As a function for the optimization,...

[broncodev]

Hello,

I can't run the attached optimisation. I must be making a silly mistake. Can anybody help me? Thanks.

I run like...