NUMERICAL STABILITY OF MASS LUMPING SCHEMES FOR ...
NUMERICAL STABILITY OF MASS LUMPING SCHEMES FOR ...
NUMERICAL STABILITY OF MASS LUMPING SCHEMES FOR ...
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Critical Courant numberbounding eienvalueslumping optimizationCo crit0.50.4dispersion analysiseigenfrequenciesCo crit0.50.40.30.3consistent mass matrix0.20.20.10.100 0.05 0.1 0.15 0.2 0.25x00 0.05 0.1 0.15 0.2 0.25xRemark 1: Critical Courant number for the consistent mass matrix is 0.25.Remark 2: Critical Courant number for x = 0.23 is 0.21.