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Boundary conditions vary a lot
Posted 2017年8月30日 GMT+2 20:20Heat Transfer & Phase Change, Heat Transfer, Modeling Tools & Definitions, Parameters, Variables, & Functions0 Replies
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Hello,
I got following problem:
I got a plate with a fixed temperature on the upper and on the lower side,
periodic boundary conditions on the sides
and heatflux boundary condition on the front and back.
Now the heatflux I put onto the model is a function or some other distribution I get from a file.
The problem now is that if I calculate the solution and look at the heat flux at the front and back, the output is nowhere near from what I assign as a boundary condition (Variation of various 100%).
So COMSOL is messing with my boundary conditions and changing the net influx, which I really do not like.
Are there any known fix to that? And why is Comsol doing that?
My boundary conditions are resolved very highly and my mesh is also pretty fine.
Best,
Toby
I got following problem:
I got a plate with a fixed temperature on the upper and on the lower side,
periodic boundary conditions on the sides
and heatflux boundary condition on the front and back.
Now the heatflux I put onto the model is a function or some other distribution I get from a file.
The problem now is that if I calculate the solution and look at the heat flux at the front and back, the output is nowhere near from what I assign as a boundary condition (Variation of various 100%).
So COMSOL is messing with my boundary conditions and changing the net influx, which I really do not like.
Are there any known fix to that? And why is Comsol doing that?
My boundary conditions are resolved very highly and my mesh is also pretty fine.
Best,
Toby
0 Replies
Last Post 2017年8月30日 GMT+2 20:20
Hello Tobias Storz
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