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Results tagged with finite-element-method
Search options not deleted user 21550
Usage of the Finite Element Method embedded in NDSolve and details on the implementation of the fem in mathematica.
6 votes
Accepted
Problem with Neumann condition in quarter disc
Apparently NeumannValue doesn't like the square root, replacing it with the squared expression works correctly: NeumannValue[1000.3* (x/10.0), x^2 + y^2 >= 99.9]
- 753
8 votes
2 answers
553 views
Discretizing regions with pointy boundaries
I'm trying to discretize a region with "pointy" boundaries to study dielectric breaking on electrodes with pointy surfaces. So far I've tried 3 types of boundaries, but the meshing functions stall ind …
- 753
7 votes
1 answer
479 views
Problem with Neumann condition in quarter disc
Bug introduced in 10.0 and fixed in 10.2 So I'm following the available examples in version 10 for FEM, The plane stress operator is shown as this op0 = {Inactive[ Div][({{0, -((Y ν)/(1 - ν …
- 753
1 vote
1 answer
744 views
Dirichlet conditions being ignored
I have the following domain: rA=ImplicitRegion[((x - 10)/0.2)^2 + y^2 <= 1 || ((x + 10)/0.2)^2 + y^2 <= 1, {x, y}] rB=ImplicitRegion[((x - 6)/0.2)^2 + (y + 20)^2 <= 1 || ((x + 6)/0.2)^2 + (y …
- 753