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Condensation of elastic half space soil stiffness matrix considering symmetry
Author(s) -
Sharma K. G.
Publication year - 1985
Publication title -
international journal for numerical and analytical methods in geomechanics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.419
H-Index - 91
eISSN - 1096-9853
pISSN - 0363-9061
DOI - 10.1002/nag.1610090408
Subject(s) - stiffness matrix , stiffness , direct stiffness method , finite element method , matrix (chemical analysis) , symmetry (geometry) , space (punctuation) , mathematics , structural engineering , geometry , materials science , engineering , computer science , composite material , operating system
The finite element formulation for deriving the soil stiffness matrix by idealizing the foundation as an elastic half space is presented. The procedure for condensation of the soil stiffness matrix taking symmetry into consideration is discussed. Computation time is considerable reduced when a condensed soil stiffness matrix is used for the finite element analysis of rafts resting on an elastic half space.