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Open Position in Computation Solid Mechanics

Submitted by aboufelfel on
job
crack propagation
modelling and simulation
composite
peridynamics

Position: Computational Solid Mechanics Research Engineer

Company: Global Engineering Research and Technologies (GERT)

Location: Tucson, Arizona, USA 

Full/Part time: Full Time. 

Benefits: Yes.

Salary: Commensurate with Qualifications.

Remote employment: No. Must be willing to relocate to Tucson, AZ.

Modeling programmable deformation of self-folding all-polymer structures with temperature-sensitive hydrogels

Submitted by Jinxiong Zhou on
research
finite element methods

Combining
soft active hydrogels with hard passive polymers gives rise to all-polymer
composites. The hydrogel is sensitive to external stimuli while the passive
polymer is inert. Utilizing the different behaviors of two materials subject to
environmental variation, for example temperature, results in self-folding soft
machines. We report our efforts to model the programmable deformation of
self-folding structures with temperature-sensitive hydrogels. The self-folding
structures are realized either by constructing a bilayer structure or by
incorporating hydrogels as hinges. The methodology and the results may aid the

Nonlinear free and forced vibration analysis of a single-walled carbon nanotube using shell model

Submitted by Payam Soltani on
research
nanomechanics
computational mechanics
Nonlinear elasticity
nonlinear dynamics
nonlocal elasticity

 By :Payam SOLTANI, J SABERIAN, R BAHRAMIAN, A FARSHIDIANFAR

In this Paper, the nonlinear free and force vibration of a single-walled carbon nanotube (SWCNT) with simply supported ends is 

investigated based on von Karman’s geometric nonlinearity. The SWCNT described as an individual shell and the Donnell’s 

equations of cylindrical shells are used to obtain the governing equations. The Galerkin's procedure is used to discretized partial 

Continuum mechanics of the interaction of phase boundaries and dislocations in solids

Submitted by Amit Acharya on
research
Plasticity
dislocations
continuum mechanics
Phase transformations
g-disclinations

Amit Acharya         Claude Fressengeas

Springer Proceedings in Mathematics and Statistics on Differential Geometry and Continuum Mechanics, Vol. 137, pages 123-165. Ed: G. Q Chen, M. Grinfeld, R.J. Knops (Proceedings of  Workshop held at the Intl. Centre for Mathematical Sciences in Edinburgh, 2013.)

Visualizing LAMMPS molecular dynamics trajectories using visual molecular dynamics (VMD)

Submitted by Nuwan Dewapriya on
research
molecular dynamics
LAMMPS
graphene nano-ribbon
visual molecular dynamics
VMD

It is very important to visualize molecular dynamics (MD) trajectories since there are many aspects of MD simulations which are difficult to identify without a proper visualization tool. Improper bounday condition in MD is one of such examples. I use Visual Molecular Dynamics (VMD) to visualize my MD simulations. Some of my movies, created using VMD, are shown below.

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