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 …

This paper proposes a well-suited strategy for High Performance Computing (HPC) of
density-based topology optimization using Graphics Processing Units (GPUs). Such a …

Recently, the discrete-finite element method (DEM-FEM) has proved to be an advanced
technique for solid-particle interaction simulations. However, the low computational …

Numerical methods have become useful tools for predicting vehicle mobility performance on
granular terrain. However, due to the large number of soil particles and complex contact …

As a novel kind of particle method for explicit dynamics, the finite particle method (FPM)
does not require the formation or solution of global matrices, and the evaluations of the …

This study focuses on the possible uses of physics engines, and more specifically the Bullet
physics library, to simulate granular systems. Physics engines are employed extensively in …

The computational design of industrially relevant welded structures is extremely time
consuming due to coupled physics and high nonlinearity. Previously, most welding distortion …

A graphics processing unit (GPU)-accelerated vector-form particle-element method, ie, the
finite particle method (FPM), is proposed for 3D elastoplastic contact of structures involving …

Many numerical simulation methods, such as finite-element analysis, were originally
formulated to run serially or in parallel on central processing units (CPUs). However …

The edge-smooth finite element method (ES-FEM) can improve the computational accuracy
of triangular shell elements and the mesh partition efficiency of complex models. In this …