A soft tissue's macroscopic behavior is largely determined by its microstructural components (often a collagen fiber network surrounded by a nonfibrillar matrix (NFM)). In the present study, a coupled fiber-matrix model was developed to fully quantify the internal stress field within such a tissue and to explore interactions between the collagen fiber network and nonfibrillar matrix (NFM). Voro...

Nanocomposite development in the aerospace industry has been encouraged due to their considerable structural enhancements, particularly for material composed of carbon nanotubes included in a polymer matrix. In an effort to explore the nanocomposites’ material properties, previous works have made use of a computational micromechanics model for the analysis of the effective electrical conductivi...

The present work describes a computational mechanism based failure analysis conducted for 3D-printed continuous carbon fiber reinforced thermoplastic composites (CFRTPCs), which could not be seen in the available literature. material is investigated on intraply evaluation and adopts different criteria constituents. micromechanical modeling employs Asymptotic Homogenization technique comprises s...

The conceptualization of a representative volume element (RVE) hardened cement paste for numerical homogenization mechanical problems rests on identifying the largest discernible microstructural feature, i.e. unreacted grains. While particle size distribution (PSD) anhydrous is well-controlled production parameter, evolution grain throughout hydration remained unresolved. This study analyzes di...

In this paper, a numerical multiscale method is proposed for computing the response of structures made of linearly non-aging viscoelastic and highly heterogeneous materials. In contrast with most of the approaches reported in the literature, the present one operates directly in the time domain and avoids both defining macroscopic internal variables and concurrent computations at micro and macro...

A new micro-mechanical model for predicting the non-linear elasto-plastic behavior of short fiber reinforced composites is presented. The developed based on a two-step Orientation Averaging method, and capable accommodating wide variety micro-structural parameters. In first step, Finite Element Analyses are performed unit cell (single surrounded by matrix). Then, response up-scaled calibrating ...

We present a topology optimization framework to design periodic composites comprised of piezoelectric constituents that exhibit large flexoelectric constants. The novelty the approach is it leverages representative volume element (RVE)-based computational homogenization enables analysis where characteristic dimensions microstructure are significantly smaller than those structure, and as such re...

Smart composite materials have been an active field of research in the last few decades. Magnetorheological elastomers (MREs) are examples such smart composites and they show a coupling between magnetism elasticity. MREs heterogeneous consist magnetic particles silicone-based elastomer. To describe predict behaviour macroscopic continuum accurately, microstructural information needs to be taken...

This paper presents the development of a Representative Volume Element (RVE) for Ultra-high-Molecular-Weight-Polyethylene (UHMWPE) composites. The numerical models were based on fibrillar nature UHMWPE fibres, which consist smaller scale, continuous through-the-length macro-fibrils. A three-dimensional constitutive model macro-fibrils was developed and implemented in LS-DYNA explicit finite ele...