An approach using the null space to implement Dirichlet and constraint boundary conditions into FEM
CoRR(2024)
摘要
A handy technique for the Finite Element Method (FEM) is presented that uses
the null space for the implementation of Dirichlet and constraint boundary
conditions. The focus of this method is to present an illustrative approach to
modeling boundary constraints within FEM simulations for teaching. It presents
a consistent way of including the boundary terms in the forcing and
constructing the field solution after solving the algebraic system of
equations.
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