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- W779811344 abstract "PowderSim is a calculation tool that combines a discrete-element method (DEM) module, including calibrated interparticle-interaction relationships, with a mesh-free, continuum, SPH (smoothed-particle hydrodynamics) based module that utilizes enhanced, calibrated, constitutive models capable of mimicking both large deformations and the flow behavior of regolith simulants and lunar regolith under conditions anticipated during in situ resource utilization (ISRU) operations. The major innovation introduced in PowderSim is to use a mesh-free method (SPH-based) with a calibrated and slightly modified critical-state soil mechanics constitutive model to extend the ability of the simulation tool to also address full-scale engineering systems in the continuum sense. The PowderSim software maintains the ability to address particle-scale problems, like size segregation, in selected regions with a traditional DEM module, which has improved contact physics and electrostatic interaction models." @default.
- W779811344 created "2016-06-24" @default.
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- W779811344 date "2013-01-01" @default.
- W779811344 modified "2023-09-27" @default.
- W779811344 title "PowderSim: Lagrangian Discrete and Mesh-Free Continuum Simulation Code for Cohesive Soils" @default.
- W779811344 hasPublicationYear "2013" @default.
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