Atomistic and continuum modelling of temperature-dependent fracture of graphene

MAN Dewapriya, R Rajapakse, AS Phani - International Journal of …, 2014 - Springer
This paper presents a comprehensive molecular dynamics study on the effects of
nanocracks (a row of vacancies) on the fracture strength of graphene sheets at various …

Influence of temperature and free edges on the mechanical properties of graphene

MAN Dewapriya, AS Phani… - Modelling and Simulation …, 2013 - iopscience.iop.org
A systematic molecular dynamics simulation study is performed to assess the effects of
temperature and free edges on the ultimate tensile strength and Young's modulus of a single …

Molecular dynamics simulations and continuum modeling of temperature and strain rate dependent fracture strength of graphene with vacancy defects

MAN Dewapriya, R Rajapakse - Journal of Applied …, 2014 - asmedigitalcollection.asme.org
We investigated the temperature and strain rate dependent fracture strength of defective
graphene using molecular dynamics and an atomistic model. This atomistic model was …

[HTML][HTML] Size dependency and potential field influence on deriving mechanical properties of carbon nanotubes using molecular dynamics

KGS Dilrukshi, MAN Dewapriya… - Theoretical and Applied …, 2015 - Elsevier
A thorough understanding on the mechanical properties of carbon nanotube (CNT) is
essential in extending the advanced applications of CNT based systems. However …

Tailoring fracture strength of graphene

MAN Dewapriya, SA Meguid - Computational Materials Science, 2018 - Elsevier
We conducted molecular dynamics simulations to investigate the atomistic edge crack–
vacancy interactions in graphene. We demonstrate that the crack–tip stress field of an …

Atomistic simulations to study the effect of water molecules on the mechanical behavior of functionalized and non-functionalized boron nitride nanosheets

BB Sharma, A Parashar - Computational Materials Science, 2019 - Elsevier
In this article, structural stability and mechanical behaviour of dry and water submerged
boron nitride nanosheets (BNNS) were investigated with the help of molecular dynamics …

Mechanical and fracture behavior of water submerged graphene

SS Sharma, BB Sharma, A Parashar - Journal of Applied Physics, 2019 - pubs.aip.org
In this article, molecular dynamics (MD)-based simulations were performed to study the
structural stability, tensile strength, and fracture behavior of graphene submerged in water …

Influence of hydrogen functionalization on the fracture strength of graphene and the interfacial properties of graphene–polymer nanocomposite

MAN Dewapriya, R Rajapakse, N Nigam - Carbon, 2015 - Elsevier
Using molecular dynamics and classical continuum concepts, we investigated the effects of
hydrogen functionalization on the fracture strength of graphene and also on the interfacial …

A critical study of the parameters governing molecular dynamics simulations of nanostructured materials

AR Alian, SA Meguid - Computational Materials Science, 2018 - Elsevier
Molecular dynamics (MD) simulations have been used extensively over the past two
decades to determine the mechanical and physical properties of nanomaterials. However …

Atomistic simulations of nanoscale crack-vacancy interaction in graphene

MAN Dewapriya, SA Meguid - Carbon, 2017 - Elsevier
Linear elastic fracture mechanics establishes the conditions necessary for crack arrest by
the introduction of a hole in its path. However, it is unclear how nanoscale crack-vacancy …