Kaushik Dayal

Research Interests

Publications

Researchers

My research applies theoretical and computational mechanics, particularly multiscale techniques, to problems in materials engineering.  Specific areas of interest are listed below.


Microstructure in Liquid Crystals and Liquid Crystal Elastomers

Continuum Mechanics of Line Defects in Liquid Crystals and Liquid Crystal Elastomers. Amit Acharya and Kaushik Dayal. Preprint.


Ferroelectric Microstructure in Complex Geometries

A Completely Iterative Method for the Infinite Domain Electrostatic Problem with Nonlinear Dielectric Media. Lun Yang and Kaushik Dayal.  Preprint.

Effect of Lattice Orientation, Surface Modulation, and Applied Fields on Free-Surface Domain Microstructure in Ferroelectrics. Lun Yang and Kaushik Dayal.  Preprint.

Formulation of phase-field energies for microstructure in complex crystal structures. Lun Yang and Kaushik Dayal.  Appl. Phys. Lett., 96:081916, 2010.

Active tuning of photonic device characteristics during operation by ferroelectric domain switching. Kaushik Dayal and Kaushik Bhattacharya. J. Appl. Phys., 102:064102, 2007.

A real-space non-local phase-field model of ferroelectric domain patterns in complex geometries. Kaushik Dayal and Kaushik Bhattacharya. Acta Mater., 55:1907, 2007.

Graded ferroelectric capacitors with robust temperature characteristics. Mohamed El-Naggar, Kaushik Dayal, David Goodwin, and Kaushik Bhattacharya. J. Appl. Phys., 100:114115, 2006.


Dynamics of Microstructural Transformations

Design of viscometers corresponding to a universal molecular simulation method. Kaushik Dayal and Richard D. James.  Preprint.

Linear Instability Signals the Initiation of Motion of a Twin Plane Under Load.  Chang-Tsan Lu and Kaushik Dayal.  Phil. Mag. Lett., 91:264, 2011.

Formulation of phase-field energies for microstructure in complex crystal structures. Lun Yang and Kaushik Dayal.  Appl. Phys. Lett., 96:081916, 2010.

Kinetics of phase transformations in the peridynamic formulation of continuum mechanics. Kaushik Dayal and Kaushik Bhattacharya. J. Mech. Phys. Solids, 54:1811, 2006.


Deformation of Carbon Nanotubes

Symmetry-Adapted Non-Equilibrium Molecular Dynamics of Chiral Carbon Nanotubes under Tensile Loading. Amin Aghaei and Kaushik Dayal.  J. Appl. Phys., 109:123501, 2011.

Nonequilibrium molecular dynamics for bulk materials and nanostructures. Kaushik Dayal and Richard D. James. J. Mech. Phys. Solids, 58:145, 2010.


Peridynamics

Peridynamics as a mesoscale limit of a crystal lattice. Kaushik Dayal. Preprint, 2009.

Kinetics of phase transformations in the peridynamic formulation of continuum mechanics. Kaushik Dayal and Kaushik Bhattacharya. J. Mech. Phys. Solids, 54:1811, 2006.