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We consider convective systems in a bounded domain, in which viscous fluids described by the Stokes system are coupled using the Boussinesq approximation to a reaction-advection-diffusion equation for...
A Relaxation Scheme for Solving the Boltzmann Equation Based on the Chapman-Enskog Expansion
boltzmann equation chapman-Enskog expansion
2007/12/11
In [16] a visco-elastic relaxation system, called the relaxed Burnett system, was proposed by Jin and Slemrod as a moment approximation to the Boltzmann equation. The relaxed Burnett system is weakly ...
Relaxation oscillations and negative strain rate sensitivity in the Portevin - Le Chatelier effect
Relaxation oscillations strain rate Portevin - Le Chatelier effect
2010/11/2
A characteristic feature of the Portevin - Le Chatelier effect or the jerky flow is the stick-slip nature of stress-strain curves which is believed to result from the negative strain rate dependence ...