Open AccessReduction of stiffness and mass matrices
Author(s) -
R. J. Guyan
Publication year - 1965
Publication title -
aiaa journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.828
H-Index - 158
eISSN - 1081-0102
pISSN - 0001-1452
DOI - 10.2514/3.2874
Subject(s) - reduction (mathematics) , stiffness , materials science , mechanics , mathematics , physics , geometry , composite material
Just as it is often necessary to reduce the size of the stiffness matrix in statical structural analysis, the simultaneous reduction of the nondiagonal mass matrix for natural mode analysis may also be required. The basis for one such reduction technique may follow the procedure used in Ref. 1 for the stiffness matrix, namely, the elimination of coordinates at which no forces are applied.
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