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Solve 2d/3d Darcy and Richards problems using H(div) FE space - #944

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rezgarshakeri wants to merge 15 commits into
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rezgar/Hdiv-mixed2D
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Solve 2d/3d Darcy and Richards problems using H(div) FE space#944
rezgarshakeri wants to merge 15 commits into
mainfrom
rezgar/Hdiv-mixed2D

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@rezgarshakeri rezgarshakeri commented Apr 20, 2022 •
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So far we implemented quad/hex BDM element and got 2nd order convergence rate on a square/box meshes.

  • Got convergence rate as we expected for 2d/3d
  • Extended to Richards equation
  • Fixed visualization (PetscViewer)
  • Add boundary conditions
  • Add prism element
  • Propagate H(div) BasisApply to other backends
@rezgarshakeri
rezgarshakeri force-pushed the rezgar/Hdiv-mixed2D branch 2 times, most recently from e56d551 to 71b1bc8 Compare June 2, 2022 21:07
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rezgarshakeri force-pushed the rezgar/Hdiv-mixed2D branch 4 times, most recently from 07059b2 to 82713b0 Compare June 17, 2022 15:36
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rezgarshakeri force-pushed the rezgar/Hdiv-mixed2D branch 2 times, most recently from 8ddac30 to 2a70772 Compare June 27, 2022 16:40
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rezgarshakeri force-pushed the rezgar/Hdiv-mixed2D branch 2 times, most recently from a32533c to 5e0f655 Compare July 11, 2022 20:34
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rezgarshakeri force-pushed the rezgar/Hdiv-mixed2D branch 3 times, most recently from abcf86e to 688e27d Compare July 21, 2022 17:47
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rezgarshakeri force-pushed the rezgar/Hdiv-mixed2D branch 7 times, most recently from c967698 to 5e6a9fe Compare August 2, 2022 22:12
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rezgarshakeri force-pushed the rezgar/Hdiv-mixed2D branch 5 times, most recently from 3265663 to 3a8fc58 Compare August 10, 2022 09:34
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rezgarshakeri force-pushed the rezgar/Hdiv-mixed2D branch 3 times, most recently from 13a906e to f30f670 Compare August 17, 2022 01:48
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rezgarshakeri force-pushed the rezgar/Hdiv-mixed2D branch 3 times, most recently from 28413e8 to a7b7801 Compare November 19, 2022 17:37
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rezgarshakeri force-pushed the rezgar/Hdiv-mixed2D branch 3 times, most recently from 7cb388d to 583e3f8 Compare December 2, 2022 20:09
rezgarshakeri and others added 15 commits April 8, 2023 09:46
@rezgarshakeri
Created a folder in example for 2D Mixed-Hdiv
6e01d17
@jedbrown @rezgarshakeri
WIP: H(div) orientations in restriction
145825f 
Co-authored-by: Rezgar Shakeri <rezgar.shakeri@colorado.edu>
@rezgarshakeri
fixed element restriction.
d23c35b 
Co-authored-by: Jed Brown <jed@jedbrown.org>
@rezgarshakeri
setup mass matrix and ksp for Darcy problem
8e0a56b
@rezgarshakeri
Fixed the error of multiple elements!
bae6bd6 
Authored-by: Jed Brown <jed@jedbrown.org>
@rezgarshakeri
Added snes,got convergence for 2D/3D Darcy problem
f9e5d75
@rezgarshakeri
Setup Richard problem, converged and checked with MMS
0ae9afa
@rezgarshakeri
Added post-processing.c to solve the projection problem for velocity
eb7ecef 
to visualize it
@rezgarshakeri
Tried to assemble Jacobian
501fabe
@rezgarshakeri
make format and rebased
33fc16e
@rezgarshakeri
some clean-up in Hdiv-mass folder
fb2b95a
@rezgarshakeri
some clean-up in Hdiv-mixed folder
52a4361
@rezgarshakeri
Only ref/serial backend gives correct convergence order
0b6fa71
@rezgarshakeri
Added GetDiagonal
bd1b2c3
@rezgarshakeri
make format
fab729d
@rezgarshakeri rezgarshakeri mentioned this pull request Dec 10, 2025
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