15 Publications
2021
Tunnel excavation in granular media: the role of force chains
Pal, Raj K and Andrade, José E
Granular Matter, vol. 23, (no. 4), Nov 2021. | Journal Article
2019
Topological bands and localized vibration modes in quasiperiodic beams
Pal, Raj K⋅Rosa, Matheus I and Ruzzene, Massimo
New Journal of Physics, vol. 21, (no. 9), Sep 2019. | Journal Article
2018
A study of deformation localization in nonlinear elastic square lattices under compression.
Pal, Raj Kumar⋅Bonetto, Federico⋅Dieci, Luca and Ruzzene, Massimo
Philosophical transactions. Series A, Mathematical, physical, and engineering sciences, vol. 376, (no. 2127), August 28, 2018. | Journal Article
 
Experimental Observation of Topologically Protected Helical Edge Modes in Patterned Elastic Plates
Miniaci, M⋅Pal, R. K⋅Morvan, B and Ruzzene, M
Physical Review X, vol. 8, (no. 3), pp. 031074, Sep 2018. | Journal Article
 
Material symmetry phase transitions in three-dimensional tensegrity metamaterials
Salahshoor, Hossein⋅Pal, Raj K and Rimoli, Julian J
Journal of the Mechanics and Physics of Solids, vol. 119, pp. 382-399, Oct 2018. | Journal Article
 
Tunable wave propagation by varying prestrain in tensegrity-based periodic media
Pal, Raj K⋅Ruzzene, Massimo and Rimoli, Julian J
Extreme Mechanics Letters, vol. 22, pp. 149-156, Jul 2018. | Journal Article
2017
A Bloch-based procedure for dispersion analysis of lattices with periodic time-varying properties
Vila, Javier⋅Pal, Raj K⋅Ruzzene, Massimo and Trainiti, Giuseppe
Journal of Sound and Vibration, vol. 406, pp. 363-377, Oct 13, 2017. | Journal Article
 
Edge waves in plates with resonators: an elastic analogue of the quantum valley Hall effect
Pal, Raj K and Ruzzene, Massimo
New Journal of Physics, vol. 19, (no. 2), pp. 25001, Feb 1, 2017. | Journal Article
 
Mechanical response of 3-dimensional tensegrity lattices
Rimoli, Julian J and Pal, Raj K
Composites Part B, vol. 115, pp. 30-42, Apr 15, 2017. | Journal Article
 
Observation of topological valley modes in an elastic hexagonal lattice
Vila, Javier⋅Pal, Raj K and Ruzzene, Massimo
Physical Review B, vol. 96, (no. 13), Oct 2017. | Journal Article
2016
A continuum model for nonlinear lattices under large deformations
Pal, Raj K⋅Ruzzene, Massimo and Rimoli, Julian J
International Journal of Solids and Structures, vol. 96, pp. 300-319, Oct 1, 2016. | Journal Article
 
Effect of large deformation pre-loads on the wave properties of hexagonal lattices
Pal, Raj K⋅Rimoli, Julian and Ruzzene, Massimo
Smart Materials and Structures, vol. 25, (no. 5), pp. 54010, May 1, 2016. | Journal Article
 
Helical edge states and topological phase transitions in phononic systems using bi-layered lattices
Pal, Raj K⋅Schaeffer, Marshall and Ruzzene, Massimo
Journal of Applied Physics, vol. 119, (no. 8), pp. 84305, Feb 28, 2016. | Journal Article
2014
Characterization of wave propagation in elastic and elastoplastic granular chains
Pal, Raj K⋅Awasthi, Amnaya P and Geubelle, Philippe H
Physical review. E, Statistical, nonlinear, and soft matter physics, vol. 89, (no. 1), pp. 012204, Jan 2014. | Journal Article
2013
Wave propagation in elasto-plastic granular systems
Pal, Raj K⋅Pal, Raj K⋅Awasthi, Amnaya P⋅Awasthi, Amnaya P⋅Geubelle, Philippe H and Geubelle, Philippe H
Granular Matter, vol. 15, (no. 6), pp. 747-758, Dec 2013. | Journal Article