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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Numerical test• Plane strain square domain 100 × 100 serendipity finite elements• Unit material propertiesYoung’s modulus E = 1Poisson’s ratio ν = 0.3density ρ = 1• Pointwise harmonic loading in the horizontal directionF x = ˆF x sin ωtωH/c 1 stepped by 0.1 increment• Newmark’s method with small Courant numbertime integration effect disabledCo = c 1 ∆t/H = 0.01
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