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*MAT *MAT_GEOLOGIC_CAP_MODEL This is Material Type 25. This an inviscid two invariant geologic cap model. This material model can be used for geomechanical problems or for materials as concrete, see references cited below. Card Format Card 1 1 2 3 4 5 6 7 8 MID RO BULK G ALPHA THETA GAMMA BETA I F F F F F F F Variable R D W X0 C N Type F F F F F F PLOT FTYPE VEC TOFF F F F F Variable Type Card 2 Card 3 Variable Type VARIABLE DESCRIPTION MID Material identification. A unique number has to be chosen. RO Mass density. BULK G ALPHA Initial bulk modulus, K. Initial Shear modulus. Failure envelope parameter, α. LS-DYNA3D Version 936 19.71 (MAT)
