High-Order Godunov Schemes for Multiphase Gas-Particulate Flowfield Modeling and Simulation
2000
Abstract : The Computation All-Time Algorithm Package with Underlying Lawrence Technology (CATAPULT) is used to simulate the post-explosion evolution of cloud-rises resulting from the compromise of both confined and unconfined chemical and biological facilities. The evolution of nuclear clouds at relatively late (incompressible) times is also simulated. The results are compared with empirical and analytical data where available. In general, axisymmetric simulations do not accurately caption the physics of such flows in terms of cloud height, width, and rate of dissipation in comparison to three-dimensional simulations.
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