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- Title
Solution of a Green's function for a saturated porous medium in a half-space subjected to a torsional force.
- Authors
Ding, Boyang; Chen, Jun; Ouyang, Ming
- Abstract
Based on the solutions of the Green's function for a saturated porous medium obtained by the authors, and using transformation of axisymmetric coordinates, Sommerfeld integrals and superposition of the influence field on a free surface, the authors have obtained displacement solutions of a saturated porous medium subjected to a torsional force in a half-space. The relationship curves of the displacement solutions and various parameters (permeability, frequency, etc.) under action of a unit of torque are also given in this paper. The results are consistent with previous Reissner's solutions, where a two-phase medium decays to a single-phase medium. The solution is useful in solving relevant dynamic problems of a two-phase saturated medium in engineering.
- Subjects
TORSIONAL vibration; POROUS materials; GREEN'S functions; FINE-structure constant; AXIAL flow; SUPERPOSITION principle (Physics); TORQUE; ENGINEERING
- Publication
Earthquake Engineering & Engineering Vibration, 2012, Vol 11, Issue 2, p133
- ISSN
1671-3664
- Publication type
Article
- DOI
10.1007/s11803-012-0104-6