Search Results - "NASSTROM, J. S"

Predictive modeling of atmospheric nuclear fallout microphysics by McGuffin, D.L., Lucas, D.D., Balboni, E., Nasstrom, J.S., Lundquist, K.A., Knight, K.B.

“…The capability to predict size, composition, and transport of nuclear fallout enables public officials to determine immediate and prolonged guidance in the…”
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A Lagrangian stochastic diffusion method for inhomogeneous turbulence by Ermak, Donald L, Nasstrom, John S

“…A Lagrangian stochastic method of solving the diffusion equation for inhomogeneous turbulence is presented in this paper. This numerical method uses (1) a…”
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Shared- and distributed-memory parallelization of a Lagrangian atmospheric dispersion model by Larson, David J., Nasstrom, John S.

“…This paper describes parallelization of a 3-D Lagrangian stochastic atmospheric dispersion model using both distributed- and shared-memory methods…”
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Atmospheric Release Advisory Capability: Real-Time Modeling of Airborne Hazardous Materials by Sullivan, Thomas J., Ellis, James S., Foster, Connee S., Foster, Kevin T., Baskett, Ronald L., Nasstrom, John S., Schalk, Walter W.

“…The Atmospheric Release Advisory Capability (ARAC) at Lawrence Livermore National Laboratory is a centralized federal project for assessing atmospheric…”
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A homogeneous Langevin equation model, Part II: Simulation of dispersion in the convective boundary layer by NASSTROM, J. S, ERMAK, D. L

“…We present a Lagrangian stochastic model of vertical dispersion in the convective boundary layer (CBL). This model is based on a generalized Langevin equation…”
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OVERVIEW OF HAZARD ASSESSMENT AND EMERGENCY PLANNING SOFTWARE OF USE TO RN FIRST RESPONDERS by Waller, E, Millage, Kyle, Blakely, William F, Ross, James A, Mercier, John R, Sandgren, David J, Levine, Ira H, Dickerson, William E, Nemhauser, Jeffrey B, Nasstrom, John S, Sugiyama, Gayle, Homann, Steve, Buddemeier, Brooke R, Curling, Carl A, Disraelly, Deena S

“…There are numerous software tools available for field deployment, reach-back, training and planning use in the event of a radiological or nuclear terrorist…”
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Evaluation of the effect of meteorological data resolution on Lagrangian particle dispersion simulations using the ETEX experiment: ETEX, a european tracer experiment by NASSTROM, J. S, PACE, J. C

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A homogeneous Langevin equation model, Part I: Simulation of particle trajectories in turbulence with a skewed velocity distribution by NASSTROM, J. S, ERMAK, D. L

“…A Lagrangian stochastic model for the time evolution of the velocity of a fluid particle is presented. This model is based on a one-dimensional generalized…”
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A comparison between two stochastic diffusion models in a complex three-dimensional flow by NASLUND, E, RODEAN, H. C, NASSTROM, J. S

“…A Random Displacement Model (RDM) and a Langevin Equation Model (LEM) are used to simulate point releases in a complex flow around a building. The flow field…”
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Evaluation of the effect of meteorological data resolution on Lagrangian particle dispersion simulations using the ETEX experiment by Nasstrom, John S., Pace, John C.

“…This paper presents results from a series of numerical experiments designed to evaluate operational long-range dispersion model simulations, and to investigate…”
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