Partitioned formulation of contact‐impact problems with stabilized contact constraints and reciprocal mass matrices

JA González, J Kopačka, R Kolman… - International Journal for …, 2021 - Wiley Online Library
This work presents an efficient and accuracy‐improved time explicit solution methodology
for the simulation of contact‐impact problems with finite elements. The proposed solution …

[HTML][HTML] Nonlinear analysis of rotational springs to model semi-rigid frames

CA Rodríguez González, JJ Caparrós-Mancera… - Entropy, 2022 - mdpi.com
This paper explains the mathematical foundations of a method for modelling semi-rigid
unions. The unions are modelled using rotational rather than linear springs. A nonlinear …

A General Bipenalty Formulation for Explicit Contact‐Impact Analysis With a Parameter Selection Criterion

YJ Kwon, JG Kim, SS Cho… - International Journal for …, 2025 - Wiley Online Library
ABSTRACT A general bipenalty formulation with a parameter selection criterion is proposed
for explicit contact‐impact finite element analysis. In order to model the contact phenomenon …

Study on impact dynamic characteristics of semi-autogenous mill liner based on improved multivariable method

LIU Wenwu, LIU Hongxin, HU Changsheng, Z Shijie… - Heliyon, 2022 - cell.com
The impact resistance of semi-autogenous mill liner has an important influence on the
reliable operation of the system. The complex dynamic characteristics in the process of …

Advanced numerical methods for modelling of elastic wave propagation in solids and contact-impact problems

R Kolman - 2022 - dspace.cvut.cz
This habilitation thesis summarizes relevant advancements in numerical modelling of elastic
wave propagation in solids and contact-impact problems. The advanced numerical methods …

Robust explicit computational strategies based on penalty method for large-deformation impact problems

CHU Dongyang, R Yufei, Z Zhangtao, WU **ngxing… - 爆炸与冲击, 2024 - bzycj.cn
Robust explicit computational strategies based on penalty method for large-deformation
impact problems ISSN 1001-1455 CN 51-1148/O3 EI,Scopus,CA,JST收录 力学类中文核心 …

[PDF][PDF] 基于罚函数法的大变形冲击碰撞问题显式健壮格式

初东阳, 戎宇飞, 周章涛, 伍星星, 汪俊, 王海坤 - 爆炸与冲击, 2024 - bzycj.cn
为了提高基于罚函数法的显式有限元对大变形接触-碰撞问题仿真的精确性和健壮性,
基于前增量位移时间中心差分方法, 发展了一种新的大变形接触非侵入算法 …

Homogenization and numerical algorithms for two-scale modeling of porous media with self-contact in micropores

E Rohan, J Heczko - Journal of Computational and Applied Mathematics, 2023 - Elsevier
The paper presents two-scale numerical algorithms for stress–strain analysis of porous
media featured by self-contact at pore level. The porosity is constituted as a periodic lattice …

Homogenization and numerical algorithms for two-scale modelling of porous media with self-contact in micropores

E Rohan, J Heczko - arxiv preprint arxiv:2301.07082, 2023 - arxiv.org
The paper presents two-scale numerical algorithms for stress-strain analysis of porous
media featured by self-contact at pore level. The porosity is constituted as a periodic lattice …

基于组合时间积分算法的碰撞问题振荡现象修**.

张立红, **庆斌, 张艳红, 罗丹旎… - Engineering Mechanics …, 2023 - search.ebscohost.com
该文提出了一种能够有效改善碰撞问题振荡现象的修**方法. 基于有限元方法, 采用Lagrange
乘子法施加接触约束条件, 并与一种无条件稳定的隐式组合时间积分算法相结合对无摩擦动接触 …