Search Results - "Lomdahl, PS"

Atomistic simulations of shock-induced transformations and their orientation dependence in bcc Fe single crystals by KADAU, Kai, GERMANN, Timothy C, LOMDAHL, Peter S, HOLIAN, Brad Lee

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Microscopic View of Structural Phase Transitions Induced by Shock Waves by Kadau, Kai, Germann, Timothy C., Lomdahl, Peter S., Holian, Brad Lee

“…Multimillion-atom molecular-dynamics simulations are used to investigate the shock-induced phase transformation of solid iron. Above a critical shock strength,…”
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Direct observation of the α-ε transition in shock-compressed iron via nanosecond X-ray diffraction by KALANTAR, D. H, BELAK, J. F, LOMDAHL, P. S, LORENZANA, H. E, MEYERS, M. A, ROSOLANKOVA, K, SCHNEIDER, M. S, SHEPPARD, J, STÖLKEN, J. S, WARK, J. S, COLLINS, G. W, COLVIN, J. D, DAVIES, H. M, EGGERT, J. H, GERMANN, T. C, HAWRELIAK, J, HOLIAN, B. L, KADAU, K

“…In situ x-ray diffraction studies of iron under shock conditions confirm unambiguously a phase change from the bcc (alpha) to hcp (epsilon) structure. Previous…”
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Constant-stress Hugoniostat method for following the dynamical evolution of shocked matter by RAVELO, R, HOLIAN, B. L, GERMANN, T. C, LOMDAHL, P. S

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Orientation dependence in molecular dynamics simulations of shocked single crystals by Germann, TC, Holian, BL, Lomdahl, PS, Ravelo, R

“…We use multimillion-atom molecular dynamics simulations to study shock wave propagation in fcc crystals. As shown recently, shock waves along the direction…”
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Plasticity Induced by Shock Waves in Nonequilibrium Molecular-Dynamics Simulations by Holian, Brad Lee, Lomdahl, Peter S.

“…Nonequilibrium molecular-dynamics simulations of shock waves in three-dimensional 10-million atom face-centered cubic crystals with cross-sectional dimensions…”
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Nanohydrodynamics Simulations: An Atomistic View of the Rayleigh-Taylor Instability by Kadau, Kai, Germann, Timothy C., Hadjiconstantinou, Nicolas G., Lomdahl, Peter S., Dimonte, Guy, Holian, Brad Lee, Alder, Berni J.

“…Nanohydrodynamics simulations, hydrodynamics on the nanometer and nanosecond scale by molecular dynamics simulations for up to 100 million particles, are…”
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Large-scale molecular dynamics simulations of dislocation intersection in copper by ZHOU, S. J, PRESTON, D. L, LOMDAHL, P. S, BEAZLEY, D. M

“…The results of massively parallel three-dimensional molecular dynamics simulations of the perpendicular intersection of extended dislocations in copper are…”
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Dislocation structure behind a shock front in fcc perfect crystals: Atomistic simulation results by GERMANN, Timothy C, TANGUY, Döme, HOLIAN, Brad Lee, LOMDAHL, Peter S, MARESCHAL, Michel, RAVELO, Ramon

“…Large-scale molecular dynamics simulations are used to investigate the dislocation structure behind a shock front in perfect fee crystals. Shock compression in…”
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Large-Scale Molecular Dynamics Simulations of Three-Dimensional Ductile Failure by Zhou, S. J., Beazley, D. M., Lomdahl, P. S., Holian, B. L.

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Dynamic crack processes via molecular dynamics by Zhou, SJ, Lomdahl, PS, Thomson, R, Holian, BL

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Stochastic processes having fractional order nonlinearity associated with hyper Gamma distribution by KONNO, Hidetoshi, LOMDAHL, Peter S

“…Stochastic processes with fractional order nonlinearity that give rise to the hyper Gamma distribution are demonstrated. Nonlinear mathematical structures…”
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Molecular-dynamics study of martensitic transformations in sintered FeNi nanoparticles by Kadau, K., Entel, P., Lomdahl, P.S.

“…Nanocrystalline metals with grain sizes in the nanometer range often have interesting properties which differ from usual polycrystalline samples or single…”
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Plasticity induced by a shock wave: large scale molecular dynamics simulations by Tanguy, D., Mareschal, M., Germann, T.C., Holian, B.L., Lomdahl, P.S., Ravelo, R.

“…We present the results of large scale non equilibrium molecular dynamics simulations of plasticity induced by a shock wave in a perfect fcc single crystal in…”
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Do Davydov solitons exist at 300 K? by Lomdahl, PS, Kerr, WC

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Three-dimensional fracture via large-scale molecular dynamics by Zhou, S.J, Lomdahl, P.S, Voter, A.F, Holian, B.L

“…A series of massively parallel molecular dynamics simulations with up to 35 million atoms is performed to investigate dislocation emission from a…”
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Fracture simulations via large-scale nonequilibrium molecular dynamics by Holian, Brad Lee, Lomdahl, Peter S., Zhou, Shujia

“…We describe the historical development of large-scale nonequilibrium molecular-dynamics (NEMD) computer simulations of fracture at Los Alamos. We have found…”
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The birth-death stochastic processes of solitons in the 1D Benney equation by KONNO, H, LOMDAHL, P. S

“…The birth-death process of "soliton"-like excitation in the 1D Benney equation is studied. It is shown that the "soliton"-number fluctuation is subjected to…”
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Oscillations of eccentric pulsons by Christiansen, P L, Grønbech-Jensen, Niels, Lomdahl, Peter S, Malomed, Boris A

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Uniaxial Hugoniostat: a method for atomistic simulations of shocked materials by Maillet, J B, Mareschal, M, Soulard, L, Ravelo, R, Lomdahl, P S, Germann, T C, Holian, B L

“…An new equilibrium molecular-dynamics method (the uniaxial Hugoniostat) is proposed to study the energetics and deformation structures in shocked crystals…”
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