The problem of a beam on elastic foundation in the presence of inelastic strains is tackled by a symmetric version of the direct boundary integral equation approach. The generation of the symmetric equation system for the boundary unknowns and of the symmetric and sign-definite matrix operators which transform inelastic strains into self-stresses is described. A numerical test validates the use of "constant" and "linear" internal elements.
Inelastic analysis via integral equations - the symmetric approach illustrated with reference to the beam on elastic foundation
NOVATI, GIORGIO;
1990-01-01
Abstract
The problem of a beam on elastic foundation in the presence of inelastic strains is tackled by a symmetric version of the direct boundary integral equation approach. The generation of the symmetric equation system for the boundary unknowns and of the symmetric and sign-definite matrix operators which transform inelastic strains into self-stresses is described. A numerical test validates the use of "constant" and "linear" internal elements.File in questo prodotto:
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