Nonhomogeneous potential and elasticity problems by combined boundary and finite elements
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Abstract
The usage of the boundary integral equation method for nonhomogeneous problems and the combination of this method with the finite element method is discussed. A formulation of the finite element method and the conversion of the direct boundary integral equations into a stiffness type of equation is reviewed for potential problems. The problems associated with corner flux discontinuities, infinite elements, and symmetrization of the stiffness matrix are discussed. An algorithm for the construction of the stiffness matrices for the more general multi-degree of freedom problem is given along with some examples.
Comments
This proceeding is published as Rudolphi, Thomas J. "Nonhomogeneous potential and elasticity problems by combined boundary and finite elements." In Advanced Topics in Boundary Element Analysis, T. A. Cruse, A. Pifko, H. Armen, eds. Volume 72 (1985): 113-131. Posted with permission.