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How to modify the built-in equations in Comsol Multiphysics

Posted 2020年7月1日 GMT+2 04:29Fluid & Heat, Equation-Based ModelingVersion 5.41 Reply

Breeze Chen
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Hello everyone,

I want to modify the built-in equations in Comsol Multiphysics, but always encounter problems. For example, I want to add a starting pressure gradient in Darcy's law in Porous Media Module, but the system prompts an error. Thelampis a variable (starting pressure gradient) defined by me, as shown in attached files. Thank you very much.

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1 Reply Last Post 2020年7月1日 GMT+2 14:25
Alexis Prel
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Posted: 4 years ago 2020年7月1日 GMT+2 14:25

Hello, What does the error message say?

Hello, What does the error message say?

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