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Molecular Dynamics Modeling of Thermal Transport in Damaged Continua

[+] Author Affiliations
Navin Kumar, Kishore Pochiraju

Stevens Institute of Technology, Hoboken, NJ

Paper No. MicroNano2008-70070, pp. 297-302; 6 pages
  • 2008 Second International Conference on Integration and Commercialization of Micro and Nanosystems
  • 2008 Second International Conference on Integration and Commercialization of Micro and Nanosystems
  • Clear Water Bay, Kowloon, Hong Kong, June 3–5, 2008
  • Conference Sponsors: Nanotechnology Institute
  • ISBN: 0-7918-4294-0 | eISBN: 0-7918-3819-6
  • Copyright © 2008 by ASME


The interaction between the damage state and the thermal conductivity is studied in this paper. The damage propagation and the effective thermal conductivity of the damaged continuum is studied using equilibrium molecular dynamics (EMD) method based on the Green-Kubo relation. A solid gold lattice is considered and the damage is initiated and propagated by stretching two opposite ends while system is maintained at constant volume, constant temperature (NVT) condition. Both Lennard-Jones (LJ) 6–12 and embedded-atom method (EAM) potentials are used to model the inter-atomic interactions. Results are presented illustrating the load-displacement relationship during damage growth and the thermal conductivity change behavior for a selected crack length.

Copyright © 2008 by ASME



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