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why partial derivative of the hydrostatic pressure field equals to 0?

Posted 16 lug 2019, 21:31 GMT-4 Structural & Acoustics Version 5.2a 1 Reply

Yang Fuqiang
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Excuse me, I solved the two-dimensional hydrostatic pressure field solid.p. The hydrostatic pressure solid.p distribution is not uniform. Use d(solid.p, x) to solve the partial derivative of solid.p along the x direction. Why is the calculation result 0?

1 Reply Last Post 16 lug 2019, 21:52 GMT-4
Yang Fuqiang
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Posted: 5 years ago 16 lug 2019, 21:52 GMT-4
Updated: 5 years ago 16 lug 2019, 21:53 GMT-4

I think I have found the problem, when I use X instead of x in d(solid.p,x), I solved it. The X and x are different in comsol.

I think I have found the problem, when I use X instead of x in d(solid.p,x), I solved it. The X and x are different in comsol.

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