Coupled material point and level set methods for simulating soils interacting with rigid objects with complex geometry
The material point method (MPM) is often used to simulate soils that interact with (nearly)
rigid objects, such as structures, machines, or rocks. Yet MPM simulations of such problems …
rigid objects, such as structures, machines, or rocks. Yet MPM simulations of such problems …
Revealing the role of forests in the mobility of geophysical flows
Forests cover 39% of low-altitude mountainous areas globally, and they are considered
natural barriers against geophysical flows. Owing to the complexity of flows, the protective …
natural barriers against geophysical flows. Owing to the complexity of flows, the protective …
An implicit locking‐free B‐spline Material Point Method for large strain geotechnical modelling
Abstract The Material Point Method (MPM) has drawn great attention in the numerical
modelling of large deformation, geotechnical problems. The popularity of MPM is mainly …
modelling of large deformation, geotechnical problems. The popularity of MPM is mainly …
A Dynamic Duo of Finite Elements and Material Points
This paper presents a novel method to couple Finite Element Methods (FEM), typically
employed for modeling Lagrangian solids such as flesh, cloth, hair, and rigid bodies, with …
employed for modeling Lagrangian solids such as flesh, cloth, hair, and rigid bodies, with …
A subdivision-stabilized B-spline mixed material point method
Subjected to external loadings, polymeric materials, eg, biological tissues, hydrogels, and
elastomers, may undergo extreme, nearly incompressible,(self-) contact deformations. For …
elastomers, may undergo extreme, nearly incompressible,(self-) contact deformations. For …
Unstructured moving least squares material point methods: a stable kernel approach with continuous gradient reconstruction on general unstructured tessellations
The material point method (MPM) is a hybrid Eulerian Lagrangian simulation technique for
solid mechanics with significant deformation. Structured background grids are commonly …
solid mechanics with significant deformation. Structured background grids are commonly …
B-spline-based material point method with dynamic load balancing technique for large-scale simulation
In this study, a dynamic load-balancing (DLB) technique based on the sampling method is
developed for MPMs using higher-order B-spline basis functions for parallel MPI …
developed for MPMs using higher-order B-spline basis functions for parallel MPI …
An assessment of the total Lagrangian material point method: comparison to conventional MPM, higher order basis, and treatment of near-incompressibility
The total Lagrangian material point method (TLMPM) is a recent modification to the
conventional material point method (MPM). It poses the weak form in the undeformed …
conventional material point method (MPM). It poses the weak form in the undeformed …
GeoTaichi: A Taichi-powered high-performance numerical simulator for multiscale geophysical problems
This study introduces GeoTaichi, an open-source high-performance numerical simulator
designed for addressing multiscale geophysical problems. By leveraging the power of the …
designed for addressing multiscale geophysical problems. By leveraging the power of the …
A displacement-based material point method for weakly compressible free-surface flows
We introduce a novel displacement-based material point method for simulating weakly
compressible free-surface flows and fluid–structure interaction. To address volumetric …
compressible free-surface flows and fluid–structure interaction. To address volumetric …