Research – Recent collaborations

This page contains some brief articles to preliminary results that I have done in collaborations with colleagues at other institutions.


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Simulations of a sheared granular system

This page contains some preliminary results of DEM simulations carried out in collaboration with Ashish Orpe and Arshad Kudrolli at Clark University. We simulate a sheared granular system, and make a quantitative comparison to experimental results.

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3D simulations of a conical hopper

In collaboration with Gary Grest at Sandia National Laboratories, I have been analyzing the results of very large scale 3D simulations of granular flow in a conical hopper. We have been able to evaluate some of the classical solutions for conical hoppers, and examine the rheology at the microscopic level.

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Simulations of a 2D elastoplastic body

In collaboration with Jim Langer, Frederic Gibou, and Lisa Manning at UC Santa Barbara, I have been carrying out continuum simulations of the STZ model. This page contains some preliminary results of 2D elastoplasticity, that were used to test the code.

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STZ simulations of a stretching bar

This page contains results and movies simulating a stretching bar using the STZ theory of amorphous plasticity.

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STZ simulations of an expanding cavity

This pages contains results and movies simulating a hole in an infinite material using the STZ theory, to examine the stability of the model.

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Visualization of a 3D DLA cluster

A brief article about a movie I made for a talk at the Simple Person's Applied Math Seminar at MIT using simulation data from Jacqueline Yen and Kevin Chu.

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Chemical diffusion in a cuboidal cell

This page describes some work I did with Yen-Chen Huang of the Irvine Lab at MIT, doing some simple analysis of the diffusion equation in a rectangular domain.