Results 241 to 250 of about 35,481 (310)

The interpolating element-free Galerkin method for three-dimensional elastoplasticity problems

Engineering analysis with boundary elements, 2020
In this paper, the interpolating element-free Galerkin (IEFG) method for solving the three-dimensional (3D) elastoplasticity problems is presented. By using the improved interpolating moving least-squares method to form the approximation function, and ...
Q. Wu, Fengbin Liu, Yumin Cheng
semanticscholar   +1 more source

A finite element formulation for a direct approach to elastoplasticity in special Cosserat rods

International Journal for Numerical Methods in Engineering, 2020
A finite element (FE) formulation is presented for a direct approach to model elastoplastic deformation in slender bodies using the special Cosserat rod theory.
Smriti, Ajeet Kumar, P. Steinmann
semanticscholar   +1 more source

Wellbore Stability Analysis Using Elastoplastic and Thermo-Elastoplastic Approaches

ADIPEC, 2022
Abstract Wellbore stability modeling has been known in the oil and gas industry and academia for a long time. The instability-related issues significantly impact field developments, especially in complex deep reservoirs. This instability can substantially jeopardize the drilling objectives, leading to poor wellbore conditions.
Osman Hamid, Gbenga Oluyemi, Reza Sanaee
openaire   +1 more source

The improved element-free Galerkin method for three-dimensional elastoplasticity problems

Engineering analysis with boundary elements, 2019
In this study, the improved element-free Galerkin (IEFG) method is presented to the three-dimensional elastoplasticity problems. The improved least-squares (IMLS) approximation is used to obtain the shape function, the Galerkin weak form of three ...
S. Yu, M. Peng, H. Cheng, Yumin Cheng
semanticscholar   +1 more source

Dynamic solution for vehicle–track interaction considering the elastoplasticity of track slabs

, 2020
In this work, an entire multi-rigid-body system with two-stage suspension systems is assumed to run on a slab track system, where the elastoplasticity of the track slab is modeled by Mindlin plate theory considered in a framework of three-dimensional ...
Lei Xu, Zhi-wu Yu
semanticscholar   +1 more source

Non-smooth evolutive laws in multisurface elastoplasticity with experimental evidence by infrared thermography

, 2020
Plastic and viscoplastic evolutive laws and the constitutive behaviour of materials represent a topic of interest for the mechanical modeling of many multisurface materials and structures.
F. Angelis, C. Meola
semanticscholar   +1 more source

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