What is it about?
A tweak of the Grad 13-moment theory for the Boltzmann equation, by replacing the Maxwell-Boltzmann function with the Mott-Smith bimodal function which takes the role of a head function in the Hermite polynomial expansion. An application to the normal shock wave improves the original Grad theory removing the singularity problem.
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Why is it important?
Easy and straightforward way for the tensor Hermite polynomial expansion of the velocity distribution function by using arbitrary head (reference) function. Also, the method of analysis to figure out the regular singularity from the irregular singularities which spoil the equations derived.
Perspectives
An alternative method for the application of the Boltzmann equation to various nonequilibrium phenomena.
Emeritus professor Young Gie Ohr
Pai Chai University
Read the Original
This page is a summary of: Improvement of the Grad 13 moment method for strong shock waves, Physics of Fluids, July 2001, American Institute of Physics,
DOI: 10.1063/1.1373681.
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