Note: This discussion is about an older version of the COMSOL Multiphysics® software. The information provided may be out of date.
Discussion Closed This discussion was created more than 6 months ago and has been closed. To start a new discussion with a link back to this one, click here.
Parameter Estimations by Inverse Analysis using Comsol 4.2.
Posted Aug 14, 2012, 8:46 a.m. EDT Structural Mechanics Version 4.2a 2 Replies
Please login with a confirmed email address before reporting spam
Dear Sirs,
I would like to have an opinion by more expert users than me. I am facing a problem of parameter estimation by inverse analysis for structural mechanics. More simply, I have to estimate the values for certain parameters of the constitutive law. The observation variable that I look at in order to understand if the current value of the parameter is correct is the displacement field in the domain.
The mathematical formulation of the problem involves a functional J that should be minimised and the so called primal and dual problems.
Have some of you ever tried to solve this type of problem? If yes, which package of Comsol did you use? I think the best would be to use the Sensitivity module that is in the General PDE module but I would like to have some advice.
Many thanks for the help,
I wish you a nice day,
Paolo Tricerri
I would like to have an opinion by more expert users than me. I am facing a problem of parameter estimation by inverse analysis for structural mechanics. More simply, I have to estimate the values for certain parameters of the constitutive law. The observation variable that I look at in order to understand if the current value of the parameter is correct is the displacement field in the domain.
The mathematical formulation of the problem involves a functional J that should be minimised and the so called primal and dual problems.
Have some of you ever tried to solve this type of problem? If yes, which package of Comsol did you use? I think the best would be to use the Sensitivity module that is in the General PDE module but I would like to have some advice.
Many thanks for the help,
I wish you a nice day,
Paolo Tricerri
2 Replies Last Post Aug 24, 2012, 3:37 p.m. EDT
Please login with a confirmed email address before reporting spam
Posted:
1 decade ago
The Optimization module is designed to handle problems like yours.
Please login with a confirmed email address before reporting spam
Posted:
1 decade ago
Hi,
You can also run comsol in matlab and thereby use matlab's capability to run optimisation problem.
Suresh
You can also run comsol in matlab and thereby use matlab's capability to run optimisation problem.
Suresh