Solving coupled equations in COMSOL Multiphysics - PDE Equation based Modeling | Learn with BK

In this, video we'll learn how you can model equation-based simulations in comsol multiphysics. We will be using a partial differential equation interface as an example to learn how to model coupled differential equations. (Coupled System of Partial Differential Equations)

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Chapter Selection
00:00 Introduction
01:46 Theory
02:51 Create Model
04:53 Add Physics
06:06 Adding coefficients
09:42 Results
12:20 Recap

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[heattransfer]

Hello. How can I couple the temperature field or velocity field with pde? I have a pde (it is just a concentration equation) that contains both temperature field and velocity field.

[pawan_]

Sir here while choosing the components of the matrix I think that you have selected the wrong entries. by using this we will get a different equation. so please clarify this. thanks for this video.

[sankarg]

hi could you tell how to calculate mass sensitivity for gas adsorption, with electrical change

[imane-ottt]

Please, how to introduce coupling equation with imaginary part between cores in Comsol, thank you to answer me in short delay

[annoon-il]

Dear for also have a did you arrange Da, ea...etc... in the coefficient form, i.e., is there any rule?

[SaqiTuri]

I am a beginner, but I have to do one task and face problems to solve and hard to explain here to type in case if you can give me time and we can have a discussion on zoom or other software, I will be thankful for that

[vinodepurate]

won't we get the solution for U, V in mathematical expression form?

[anish]

Is a correctly defined here? You have [(0 a4), (a2 0)] * [u v]^T = [a4.v, a2.u]^T but thats not what we want?

[mathunt]

This is a zero order equation rather than a 1D order equation.