[PDF][PDF] 塑性成形快速数值仿真方法的研究进展

詹梅, 董赟达, 翟卓蕾, 樊晓光, 石志鹏, 安强 - 机械工程学报, 2022 - qikan.cmes.org
精确高效的数值仿真预测模型是塑性成形技术向数字化, 智能化发展的关键技术之一.
为实现大型复杂构件先进塑性成形工艺研究的实时化, 形成了大规模离散模型精简/降维 …

Material point method: Overview and challenges ahead

WT Sołowski, M Berzins, WM Coombs… - Advances in Applied …, 2021 - Elsevier
The paper gives an overview of Material Point Method and shows its evolution over the last
25 years. The Material Point Method developments followed a logical order. The article aims …

A material point-finite element (MPM-FEM) model for simulating three-dimensional soil-structure interactions with the hybrid contact method

Z Lei, B Wu, S Wu, Y Nie, S Cheng, C Zhang - Computers and Geotechnics, 2022 - Elsevier
Large deformation in soils and frictional soil-structure contact are important geotechnical
processes that should be considered when designing protective structures to cushion the …

An intelligent nonlinear meta element for elastoplastic continua: deep learning using a new Time-distributed Residual U-Net architecture

A Koeppe, F Bamer, B Markert - Computer Methods in Applied Mechanics …, 2020 - Elsevier
Substructuring is a model order reduction technique that accelerates the finite element
method in solid mechanics. In this improved hybrid substructuring approach, methods from …

A novel implicit FEM-MPM coupling framework using convex cone programming for elastoplastic problems

XW Zhou, YF Jin, KY He, ZY Yin, FT Liu - Computer Methods in Applied …, 2024 - Elsevier
Abstract Most existing Finite Element Method and the Material Point Method (FEM-MPM)
coupling is designed for explicit solvers. By contrast, implicit schemes offer the advantage of …

[HTML][HTML] Fully implicit, stabilised MPM simulation of large-deformation problems in two-phase elastoplastic geomaterials

X Zheng, F Pisanò, PJ Vardon, MA Hicks - Computers and Geotechnics, 2022 - Elsevier
Abstract The Material Point Method (MPM) has been gaining increasing popularity as an
appropriate approach to the solution of coupled hydro-mechanical problems involving large …

Fully implicit, stabilised, three-field material point method for dynamic coupled problems

X Zheng, F Pisanò, PJ Vardon, MA Hicks - Engineering with Computers, 2022 - Springer
This study presents the formulation and implementation of a fully implicit stabilised Material
Point Method (MPM) for dynamic problems in two-phase porous media. In particular, the …

[HTML][HTML] A material point/finite volume method for coupled shallow water flows and large dynamic deformations in seabeds

X Zheng, M Seaid, F Pisanò, MA Hicks… - Computers and …, 2023 - Elsevier
A hybrid material point/finite volume method for the numerical simulation of shallow water
waves caused by large dynamic deformations in the bathymetry is presented. The proposed …

Nonconforming Dirichlet boundary conditions in implicit material point method by means of penalty augmentation

B Chandra, V Singer, T Teschemacher, R Wüchner… - Acta Geotechnica, 2021 - Springer
In many geomechanics applications, material boundaries are subjected to large
displacements and deformation. Under these circumstances, the application of boundary …

Ghost stabilisation of the material point method for stable quasi‐static and dynamic analysis of large deformation problems

WM Coombs - International Journal for Numerical Methods in …, 2023 - Wiley Online Library
The unstable nature of the material point method (MPM) is widely documented and is a
barrier to the method being used for routine engineering analyses of large deformation …