APPLICATION OF UNO SCHEME FOR STEADY AND TRANSIENT COMPRESSIBLE FLOW IN PRESSURE-BASED METHOD

نویسنده:
, ,
سال
: 2008
چکیده: A pressure_based implicit procedure to solve the Euler equations on a nonorthogonal mesh with



collocated finite volume formulations is described which uses pressure as a working variable. The



boundedness criteria for this procedure are determined from Uniformly high_order accurate Non



Oscillatory (UNO) schemes, which are based on characteristic variables and are applied to the fluxes



of the convected quantities directly, including mass flow rate. The developed scheme is applied to



the computation of steady transonic and supersonic flow over a bump in channel geometry for



various Mach number as well as to the transient shock tube problem. Also the results of steady



supersonic flow over a ramp are presented. Then the results are compared with data predicted by



TVD schemes based on characteristic variables.
کلیدواژه(گان): high resolution,Finite volume,UNO,TVD,transient,supersonic
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