Jul 8, 2022 · Crystal plasticity-based numerical simulations help understand the local deformation behavior of multiphase materials. It is known that in full phase simulations, the local 2-dimensional (2D) representative volume elements (RVEs) results are distinctly different from 3 …

Jan 1, 2025 · In this study, the out-of-plane constraint is investigated through 3D and 2D RVE modeling of DP steels. The 3D model was developed with synthesized microstructure and crystal plasticity to simulate microscopic stress state and macroscopic stress strain response in …

Two-dimensional (2D) RVE model for the application of boundary conditions. Subsequently, in order to find out the mechanical characteristics, particular conditions of the imposed displacement were studied afterwards.

Sep 19, 2018 · Experimental characterization of macro-mechanical behavior as well as validation of actual microstructure based 2D RVE method for determining the flow curves of materials with variation in martensite fraction has been achieved.

LS-DYNA® RVE package integrates the whole RVE analysis processes, including preparation of boundary conditions, FE analysis of the boundary value problem and RVE homogenization. Key features: Arbitrary RVE meshes in 2D and 3D. Various types of boundary conditions (e.g. periodic and displacement BCs) Treatment of no-matching 2D & 3D meshes

Feb 15, 2022 · Extension to a dehomogenisation based multi-scale modelling framework such as Onset Theory to utilise random 3D RVE models was also presented making use of the 2D Voronoi Tessellation approach.

Jan 10, 2013 · Generally, 2D RVE has to satisfy a continuum mechanical simplification, e.g. plane strain condition, while 3D offers more reality in the plastic flow modelling. The introduced RVE is constructed statistically with random distribution of phases.

Jul 8, 2022 · Crystal plasticity-based numerical simulations help understand the local deformation behavior of multiphase materials. It is known that in full phase simulations, the local 2-dimensional (2D)...

Metal matrix nanocomposites; Gaussian random field; RVE; Quasi-continuous matrix; Elastic/elasto-plastic properties. The key steps involved in generating a 3D synthetic microstructure that matches a given 2D or 3D real morphology are summarized below:

Oct 15, 2021 · This study aims to generate a homogeneous structural element that accurately represents the behavior of FDM-processed materials, by means of a representative volume element (RVE). The homogenization summarizes the main mechanical characteristics of the actual 3D printed structure, opening new analysis and optimization procedures.

Jan 28, 2016 · Representative volume elements (RVE) have been proved to be an applicable approach for describing microstructural deformation in order to reveal the micro-failure mechanism. In this paper, 2D RVE models are built.

Jul 1, 2019 · A 2D Boundary Element Method (BEM) Formulation to obtain the constitutive response of heterogeneous materials based on the Representative Volume Element (RVE) concept is developed to deal with dissipative phenomena over the domain and the phase debonding on the interface zone.

importance to the success of material design and structural analysis. The Representative Volume Element (RVE) analysis method provides a rigorous means to obtain homogenized macroscopic material properties at the upper length scale from the properti.

Mar 28, 2022 · The first method, referred to as the realistic RVE (R-RVE), reconstructed a physical 3D microstructure of the alloy from a series of parallel EBSD images obtained using serial-sectioning (or slicing). The second method captures key information from three orthogonal EBSD images to create a statistically equivalent microstructural RVE (SERVE).

Sep 20, 2019 · LS-DYNA® RVE package integrates the whole RVE analysis processes, including preparation of boundary conditions, FE analysis of the boundary value problem and RVE homogenization. Some key features are. Arbitrary RVE meshes in 2D and 3D; Various types of boundary conditions (e.g. periodic and displacement BCs) Treatment of …

Jun 11, 2021 · However, the RVE existence and its size determination are not always evident and have been crucial subject of numerous research works for a long while. In the present research, the paper focuses on the RVE made of 2D circular grains, by …

Feb 1, 2019 · This paper proposes a plug-in called RVE for composites for the commercial software Abaqus ™. This tool generates 2D as well as 3D multi-fiber microstructure geometries for unidirectional composites with random distributions.

Nov 1, 2024 · In finite element models (FEMs), two- or three-dimensional Representative Volume Elements (RVEs) based on a statistical distribution of particles in a matrix can predict mechanical material properties. This article studies an alternative to 3D RVEs with a 2.5D RVE approach defined by a one-plane layer of 3D elements to model the material behavior.

Jul 1, 2022 · A computationally efficient method for generating virtual periodic representative volume element (RVE), capable of handling arbitrary inclusion shapes, is developed. A universal collision/overlap detection and repair method is proposed, where each inclusion shape is represented as a union of n-Spheres (UnS).

Two-dimensional (2D) representative volume element (RVE) has been widely used to simulate the effective behaviors of the materials with aligned pores. In this paper, the anisotropy indexes are defined for the 2D RVE model to quantitatively evaluate the extent of anisotropy of the model.