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How to solve PDE in comsol

Posted 28 août 2019, 00:10 UTC−4 Semiconductor Devices 1 Reply

Avinash Gupta
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Hi comsol support team

                                     I am mani Shankar yadav research intern from IIT Ropar India. I am facing problem while solving PDE solution in comsol.

be expressed by the following continuity equation: ∂nD/∂t= ∇⋅(D∇nD- vnD+DSnD∇T )

Here, nD is the n suffix D.

In this equation how to introduce third term (DSnD∇T) at right hand side in order to solve PDE equation.

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1 Reply Last Post 28 août 2019, 02:27 UTC−4
Pu
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Posted: 5 years ago 28 août 2019, 02:27 UTC−4

Hi, Gupta

From the figure you attached, are you solving a whole system of 5 coupled PDEs?

And are you asking about how to implement the 3rd term of the equation you mentioned?

Could you provide more details on your question? Besides, e.g., which COMSOL modules are you using?

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ZHANG, Pu
School of Physics,
Huazhong University of Science and Technology
Hi, Gupta From the figure you attached, are you solving a whole system of 5 coupled PDEs? And are you asking about how to implement the 3rd term of the equation you mentioned? Could you provide more details on your question? Besides, e.g., which COMSOL modules are you using?

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