Finite elements for divdiv conforming symmetric tensors in three dimensions
Finite element spaces on a tetrahedron are constructed for $\operatorname
{div}\operatorname {div} $-conforming symmetric tensors in three dimensions. The key tools …
{div}\operatorname {div} $-conforming symmetric tensors in three dimensions. The key tools …
A finite element elasticity complex in three dimensions
A finite element elasticity complex on tetrahedral meshes and the corresponding
commutative diagram are devised. The $ H^ 1$ conforming finite element is the finite …
commutative diagram are devised. The $ H^ 1$ conforming finite element is the finite …
A family of mixed finite elements for the biharmonic equations on triangular and tetrahedral grids
This paper introduces a new family of mixed finite elements for solving a mixed formulation
of the biharmonic equations in two and three dimensions. The symmetric stress σ=−∇ 2 u is …
of the biharmonic equations in two and three dimensions. The symmetric stress σ=−∇ 2 u is …
[PDF][PDF] A serendipity fully discrete div-div complex on polygonal meshes
M Botti, DA Di Pietro, M Salah - Comptes …, 2023 - comptes-rendus.academie-sciences …
In this work we address the reduction of face degrees of freedom (DOFs) for discrete
elasticity complexes. Specifically, using serendipity techniques, we develop a reduced …
elasticity complexes. Specifically, using serendipity techniques, we develop a reduced …
A new div-div-conforming symmetric tensor finite element space with applications to the biharmonic equation
A new $ H (\operatorname {div}\operatorname {div}) $-conforming finite element is
presented, which avoids the need for supersmoothness by redistributing the degrees of …
presented, which avoids the need for supersmoothness by redistributing the degrees of …
Finite elements for divdiv-conforming symmetric tensors in three dimensions
Two types of finite element spaces on a tetrahedron are constructed for divdiv conforming
symmetric tensors in three dimensions. The key tools of the construction are the …
symmetric tensors in three dimensions. The key tools of the construction are the …
Finite element approximation of the Levi-Civita connection and its curvature in two dimensions
Y Berchenko-Kogan, ES Gawlik - Foundations of Computational …, 2024 - Springer
We construct finite element approximations of the Levi-Civita connection and its curvature on
triangulations of oriented two-dimensional manifolds. Our construction relies on the Regge …
triangulations of oriented two-dimensional manifolds. Our construction relies on the Regge …
Discrete elasticity exact sequences on Worsey–Farin splits
We construct conforming finite element elasticity complexes on Worsey–Farin splits in three
dimensions. Spaces for displacement, strain, stress, and the load are connected in the …
dimensions. Spaces for displacement, strain, stress, and the load are connected in the …
A discrete elasticity complex on three-dimensional Alfeld splits
SH Christiansen, J Gopalakrishnan, J Guzmán… - Numerische …, 2024 - Springer
We construct conforming finite element elasticity complexes on the Alfeld splits of tetrahedra.
The complex consists of vector fields and symmetric tensor fields, interlinked via the …
The complex consists of vector fields and symmetric tensor fields, interlinked via the …
Finite element complexes in two dimensions
In this study, two-dimensional finite element complexes with various levels of smoothness,
including the de Rham complex, the curldiv complex, the elasticity complex, and the divdiv …
including the de Rham complex, the curldiv complex, the elasticity complex, and the divdiv …