High Vacuum Gas Pumping and Boundary Coupling
Published in 2008
Many scientific instruments are based on high vacuum equipment with a gas pressure maintained in the order of 1 Pa or below. The gas flow in the low pressure limit, called the molecular flow regime, is a case of transport with zero viscosity.
The ability to solve an integral equation on the boundary with finite elements methods allows us to find the gas densities and flows in the molecular regime (a classical problem of physics and of technology), with a high accuracy everywhere in the solution domain.
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