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HDG formulation for linear elasticity #11
Commits on Feb 7, 2022
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First steps towards HDG formulation for linear elasticity with symmetric
stresses and k+1-order and k+2-order, k>=1, convergence for stresses and displacements resp.
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* First sketch of the HDG formulation for linear elasticity without
L2-projection of the bulk displacements on the skeleton (TO-DO) * Found issues related to some of the terms in the weak formulation. (TO-INVESTIGATE)
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Commits on Feb 9, 2022
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Merge branch 'change_domain_skeleton_versus_bulk' of github.com:grida…
…p/GridapHybrid.jl into linear_elasticity_symmetric_stresses
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Merge branch 'main' of github.com:gridap/GridapHybrid.jl into linear_…
…elasticity_symmetric_stresses
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Commits on Feb 10, 2022
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After quite a log of fight (dont put a symmetric tensor in your life),
symmetric stresses HDG formulation for linear elasticity runs bottom top without fatal errors. Next step manofacture exact solution in FE space and check consistency/correctness of the current implementation
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Commits on Feb 13, 2022
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* Fixed nasty BUG in divergence of symmetric stress tensors
* HDG formulation with symmetric stresses for linear elasticity, still without P_M projection, validated for solution in FE space and analtyic solution from paper. * Next step: implement P_M projection.
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Commits on Feb 14, 2022
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Implemented Pₘ(uh, uhΓ, μ, d∂K) projection in Qiu paper.
Surprise, surprise. It crashes. To DEBUG.
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Commits on Feb 16, 2022
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* Debugged Pₘ(uh, uhΓ, μ, d∂K) projection in Qiu paper.
* Added necessary fixes to support triangle meshes.
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