Symmetric stiffness matrices for isoparametric finite elements in nonlinear elasticity
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DOI: 10.1007/s00466-024-02539-4
Abstract: The article illustrates a position-based finite element formulation, which greatly simplifies the statement of nonlinear elasticity problems. The formulation adopts as main unknowns the nodal positions in the current configuration instead of the nodal displacements.… read more here.
Keywords: nonlinear elasticity; stiffness matrices; isoparametric finite; finite elements ... See more keywords
On Moore-Penrose Pseudoinverse Computation for Stiffness Matrices Resulting from Higher Order Approximation
Sign Up to like & getrecommendations! Published in 2019 at "Mathematical Problems in Engineering"
DOI: 10.1155/2019/5060397
Abstract: Computing the pseudoinverse of a matrix is an essential component of many computational methods. It arises in statistics, graphics, robotics, numerical modeling, and many more areas. Therefore, it is desirable to select reliable algorithms that… read more here.
Keywords: order approximation; computation; higher order; pseudoinverse computation ... See more keywords