How to perform an optimization in COMSOL Multiphysics Part 1: parameter optimization @HVE

Uploaded November 2021 | Updated September 2026, 2 hours ago

In this video I will show you how to perform a parameter optimization in COMSOL Multiphysics. In COMSOL we have possibility to do parameter optimization, shape optimization and topology optimization. The in-built optimization in COMSOL is a local optimizer, in case you want to do a global optimization you can connect COMSOL to MATLAB and use one of the MATLAB global optimizer to achieve your goal.

Finance: N=31
subs=743
Available budget (N): 731-100-31*(31+1)=-349
Storage limit: 2^ln(743)=97,72

How to perform an optimization in COMSOL Multiphysics Part 1: parameter optimization

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$How to calculate and plot inverse Laplace transform in MATLAB When a transfer function has higher (3 or more) order polynomial, it can be difficult to decompose the transfer function using partial fraction method and write it in standard form to calculate inverse Laplace transform. In such cases MATLAB ilaplace can be very useful. However to evaluate and plot the inverse laplace in time domain you need to use proper functions. functions of subs , eval and vpa are very useful in this case. I will show you how to use them properly. Last year with Weichuan we used a more basic approach to plot inverse Laplace transform (which we were doing to calculate over-voltage distribution along a transformer winding) . This year with Philip we needed to do a parametric sweep, which made the use of that primitive method difficult. But then we managed to find these better alternatives. Finance: N=21, subs=460 Available budget (N): 460-100-21*(21+1) 102 Storage limit: 2^ln(460)=70,09$

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