In this paper, an adaptive boundary element method (BEM) is presented for solving 3-D elasticity problems. The numerical scheme is accelerated by the new version of fast multipole method (FMM) and parallelized on distributed memory architectures. The resulting solver is applied to the study of representative volume element (RVE) for short fiberreinforced composites with complex inclusion geomet...

In this paper, the yield behavior of closed-cell foams under multiaxial load conditions is investigated via finite element analysis on representative volume (RVE) scale by using regular Kelvin RVE and random models RVE, respectively. Several different definitions are considered in study. By benchmarking simulations with experimental data literature, it shown that elastic energy criterion to be ...

Prediction of mechanical properties of carbon nanotube-based composite is one of the important issues which should be addressed reasonably. A proper modeling approach is a multi-scale technique starting from nano scale and lasting to macro scale passing in-between scales of micro and meso. The main goal of this research is to develop a multi-scale modeling approach to extract mechanical propert...

Abstract Two methods used to construct a microstructural representative volume element (RVE) were evaluated for their accuracy when in crystal plasticity-based finite (CP-FE) model. The RVE-based CP-FE model has been shown accurately predict the complete tensile stress–strain response of Ti–6Al–4V alloy manufactured by laser powder bed fusion. Each method utilized different image-based techniqu...

Abstract In this study, Representative Volume Element based micromechanical modeling technique has been implemented to assess the mechanical properties of glass filled epoxy composites. Rod shaped fillers having an aspect ratio 80 were used for preparing composite. The three-dimensional unit cell model representative volume element was prepared with finite analysis tool ANSYS 19 using periodic ...

The paper presents a comparative analysis of methods and results calculating the physical mechanical characteristics single-layered multi-layered polymer composite materials (PCM). object study is which consists epoxy binder carbon fiber reinforcements. principle multiscale modelling applied to determine composite. Within framework this study, representative volume element (RVE), structure corr...

A three-dimensional multi-scale computational homogenisation framework is developed for the prediction of nonlinear micro/meso-mechanical response of the fibre-reinforced polymer (FRP) composites. Two dominant damage mechanisms, i.e. matrix elasto-plastic response and fibre-matrix decohesion are considered and modelled using a non-associative pressure dependent paraboloidal yield criterion and ...

In this article, axisymmetric buckling behavior of piezoelectric fiber reinforced polymeric composite (PFRPC) annular plate subjected to electro-thermo-mechanical field is presented utilizing principle of minimum potential energy. Boron-nitride nanotubes (BNNTs) are used as fibers. Full coupling between electrical, mechanical and thermal fields are considered according to a representative volum...

A three-dimensional (3D) representative volume element (RVE) model was developed for analyzing effective mechanical behavior of fiber-reinforced ceramic matrix composites with imperfect interfaces. In the model, the fiber is assumed to be perfectly elastic until its tensile strength, and the ceramic material is modeled by an elasto-plastic Drucker-Prager constitutive law. The RVE model is then ...