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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Conclusions• Threshold values of the time step for bilinear elements:Co = 0.5 (Newmark, consistent, best accuracy)Co = 1.0 (CDM, row sum lumping, stability)• The same for serendipity elementsCo = 0.25 (Newmark, consistent, best accuracy)Co = 0.25 (CDM, HRZ lumping, stability)Co = 0.20 (CDM, x=0.23 lumping, stability)
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