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Results tagged with finite-element
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user 359
A means of solving ordinary and partial differential equations. The domain of the problem is broken up into elements, and the solution in each element is expanded in a basis of functions. The Finite Element Method lends itself well to adaptive refinement, irregular geometry, and good error estimates.
12
votes
Accepted
FeniCS: Visualizing high order elements
You can interpolate the solution onto a finer mesh and then plot it:
from dolfin import *
coarse_mesh = UnitSquareMesh(2, 2)
fine_mesh = refine(refine(refine(coarse_mesh)))
P2_coarse = FunctionSpac …
- 822
5
votes
Accepted
Flux across a non-boundary line segment in FEniCS
Make sure that the mesh is aligned with x = 0. Then mark the facets along that line and compute the flux using an "interior facet integral". You can do this by supplying a facet function markers that …
- 822