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Methodologies: Multiphysics

Iain Boyd

Professor, Aerospace Engineering

A variety of computational methods, (including CFD, particle, Monte Carlo, and molecular dynamics) are being developed for analysis of nonequilibrium processes in gas and plasma flows. Relevant nonequilibrium phenomena include chemical reactions, relaxation of internal energy modes, ionization, radiation, and surface ablation. In many situations, we are studying multi-physics or multi-scale environments that require simultaneous application of multiple computational methods. For example, we are combining CFD and particle methods for analysis of multi-scale gas flows and for multi-physics plasma flows. Examples of application areas of our research include hypersonic vehicles, spacecraft propulsion systems, rocket plumes, and low pressure chemical reactors.

CFD analysis of hypersonic flow around a capsule entering the atmosphere while firing a jet to provide deceleration.

CFD analysis of hypersonic flow around a capsule entering the atmosphere while firing a jet to provide deceleration.