![]() SIGMA/W now incorporates pore-water pressure changes in load-deformation analyses, given the definition of the initial and final pore-water pressure conditions. SIGMA/W Load-Deformation Formulation Includes Pore-Water Pressure Changes The relationship used to calculate the at-rest earth pressure coefficient depends on whether the soil model has a friction angle or over-consolidation ratio defined, enabling the simulation of a range of stress histories. All material models now include a K0 Procedure tab that allows for specification or calculation of the at-rest earth pressure coefficient. ![]() The K0 Procedure requires that all materials applied to the domain have a valid K0 value. ![]() SIGMA/W now has two In Situ analysis methods: (1) Gravity Activation, which was previously available and (2) the K0 Procedure. The new convergence schemes, combined with a new stress-update algorithm, allow for the analysis of material non-linearity that was previously not possible.Īdditional In Situ Analysis Method Available in SIGMA/W This solver has faster performance, better convergence, and multi-physics integration. ![]() The SIGMA/W solver was upgraded to the GeoStudio Solver Engine that was already available in the GeoStudio flow products. ![]()
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