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Acoustoelastic Pure-Displacement Elements Based on Biot's Poromechanics Theory
Acoustoelastic Pure-Displacement Elements Based on Biot's Poromechanics Theory (PDF)
Acoustoelastic Pure-Displacement Elements Based on Biot's Poromechanics Theory (Other)
Acoustoelastic Pure-Displacement Elements Based on Biot's Poromechanics Theory (Other)
Acoustoelastic Pure-Displacement Elements Based on Biot's Poromechanics Theory (Other)
Acoustoelastic Pure-Displacement Elements Based on Biot's Poromechanics Theory (Other)
Acoustoelastic Pure-Displacement Elements Based on Biot's Poromechanics Theory (Other)
From the elastic energy contained in a displacement based porous material the general form of the stiffness and mass matrices are obtained. If both fields can be expanded with equal order polynomials the general form is further simplified and it is shown that the coupling stiffness reduces to the one arising to compute volume changes in an elastic medium. A plane beam and a four node tetrahedron are developed. To avoid spurious rotational modes appearance in the tetrahedron fluid a penalty formulation is used. The effect of the penalty factor in matrix conditioning is analysed. Elements dynamic behaviour is compared.
96-97
2012
Acoustoelastic Pure-Displacement Elements Based on Biot's Poromechanics Theory
Industrial Engineering
Ingeniería Industrial
Matemáticas
Mathematics
Elsevier B.V.
Guadalupe Suarez
Viana Lida
Viana Lida Guadalupe Suarez
Recuero López
Manuel
Manuel Recuero López
Militello
C.
C. Militello
00457949
Computers and structures