Concurrent multi-scale modeling of nano-particle reinforced polymers using statistical coupling of MD and GIMPM

S Roy, A Nair - 52nd AIAA/ASME/ASCE/AHS/ASC structures, structural …, 2011 - arc.aiaa.org
Figure 1 shows the length scales involved in a typical nanoparticle reinforced fiber
composite. The nanoparticle (nanoclay) reinforcements are nanometer (~ 10-9 meters) thick …

Determination of atomistic J-integral of graphene sheet using the molecular dynamics method

S Roy, AR Akepati - Composite Interfaces, 2013 - Taylor & Francis
Over the past decade, mechanical characterization data for nanoparticle-reinforced polymer
matrix composites have shown significant improvements in compressive strength and …

Multiscale modeling of progressive failure in polymer nanocomposites using nanoscale informed damage mechanics

S Roy, A Srivastav - Mechanics of Advanced Materials and …, 2017 - Taylor & Francis
In this article, a novel technique to model damage and damage evolution in polymer
nanocomposites (PNCs) using the internal state variable approach is proposed. The …

A nano-micro-macro-multiscale model for progressive failure prediction in advanced composites

S Roy, A Kumar, S Li - The Structural Integrity of Carbon Fiber Composites …, 2017 - Springer
The bottleneck for inserting new and improved polymer matrix composites (PMC) is the
overwhelming amount of testing required to incorporate new material into the Design …

Multi-scale modeling of nano-particle reinforced polymers in the nonlinear regime

S Roy, A Akepati, N Hayes - 53rd AIAA/ASME/ASCE/AHS/ASC …, 2012 - arc.aiaa.org
Figure 1 shows the length scales involved in a typical nanoparticle reinforced fiber-
reinforced polymer-matrix composite. The nanoparticle reinforcements are nanometer (~ 10 …

Multi-scale modeling of failure in nano-particle reinforced polymers using the atomistic J-integral

S Roy, A Akepati - 55th AIAA/ASMe/ASCE/AHS/SC Structures, Structural …, 2014 - arc.aiaa.org
HE nano-scale interaction between polymer molecules and nanoparticle is a key factor in
determining the macro-scale strength of the composite. In recent years numerous efforts …

Modeling of mechanical properties in nanoparticle reinforced polymers using atomistic simulations

S Roy, AR Akepati - Characterization of Nanocomposites, 2017 - taylorfrancis.com
This chapter discusses a methodology to study fracture at the atomistic level. It explains
evaluation of J-integral at the atomistic level using information obtained from molecular …

[PDF][PDF] Multiscale Modeling of Nano-Particle Reinforced Composites using Statistical Coupling of MD and MPM

S Roy, A Nair - 2010 - academia.edu
Figure 1 shows the length scales involved in a typical nanoparticle reinforced fiber
composite. The nanoparticle (nanoclay) reinforcements are nanometer (~ 10-9 meters) thick …

[PDF][PDF] Multiscale modeling of damage evolution in nanographene reinforced epoxy polymer using the Internal State Variable approach

A Srivastav - 2015 - ir.ua.edu
The work done in this thesis aims to improve understanding of advanced multifunctional
nanocomposite materials by developing physics-based multi-scale model of nanoparticle …

Modeling of Fracture Properties in Nano-Particle Reinforced Polymer using the Atomistic J-Integral

S ROY, AR AKEPATI - American Society of Composites-28th …, 2013 - books.google.com
This paper is aimed towards understanding damage progression and failure in advanced
nanostructured composite materials. The molecular dynamics program LAMMPS,(Large …