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On low Mach number perfect gas flow calculations
14th Computational Fluid Dynamics Conference, 1999By analysis of the characteristics for low Mach number perfect gas flows, it is found that the temperature change is less than density change and novel models for low Mach number perfect gas flows are derived. In view of numerical calculations, these models are very effic.ient, for they are kept within the p v frame but do not have to satisfy the ...
Xiaogang Deng +2 more
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Calculation of low Mach number reacting flows
26th Aerospace Sciences Meeting, 1988A numerical method has been developed to calculate low Mach number and reacting flows in general and the burning and vaporization of a hydrocarbon droplet in particular. The method is time accurate and it makes use of the continuity equation to form a pressure correction.
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Error control and adaptivity for low-Mach-number compressible flows
AIAA Journal, 2002An error estimation and grid adaptation strategy is presented for low-Mach-number, compressible, isentropic flows in two dimensions. There is very little literature investigating error control and grid refinement strategies combined with low-Mach-number compressible flows simultaneously, although these two concepts have been treated separately.
Murat Sabanca +2 more
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Asymptotic based preconditioning technique for low Mach number flows
ZAMM, 2003Summary: We present a comprehensive study of finite volume method for inviscid flow fields at high and low speeds. Thereby, the results of a formal single as well as multiple scale asymptotic low Mach number analysis of the Euler equations of gas dynamics are used to extend the validity of numerical methods from the simulation of compressible inviscid ...
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MODELLING AND NUMERICAL SIMULATION OF LOW-MACH-NUMBER COMPRESSIBLE FLOWS
International Journal for Numerical Methods in Fluids, 1996Based upon the operator-splitting method, a segregated time-marching solution scheme is proposed for solving the low-Mach-number flow model with the acoustic waves being filtered out. This solution scheme does not rely on the correction for global mass conservation to maintain solution accuracy. With this advantage the scheme can be directly applied to
Li, Chin-Hsien, Glowinski, Roland
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Split time‐integration for low Mach number compressible flows
Communications in Numerical Methods in Engineering, 2004AbstractIn low‐Mach number flows the time‐integration is usually bounded by the stability of the acoustic fluxes. This poses a restriction to the maximum timestep. Integration of all fluxes on this time‐scale, leads to huge cpu times. To decrease this problem a timestep splitting technique has been developed by which the acoustic, convective and ...
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Improvements to compressible Euler methods for low-Mach number flows
International Journal for Numerical Methods in Fluids, 2000zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Sabanca, Murat +2 more
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Aeroacoustic theory for low Mach number flows
The Journal of the Acoustical Society of America, 1983Recent experiments by Laufer and Yen offer the first chance yet for an examination in all detail of the predictions of Lighthill aeroacoustic theory. The experiments concern the internal flow structure and radiated acoustic field of discrete tone subharmonic instability waves associated with multiple vortex interactions on the laminar initial shear ...
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Low- and zero-Mach-number models for Rayleigh–Taylor flows
Computers & Fluids, 2017zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Gauthier, Serge, Schneider, Nicolas
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Turbulent transport modeling in low Mach number flows
Physics of Fluids, 1999Model representations for the Reynolds stress and the turbulent heat flux of flows at low Mach numbers have been theoretically derived by applying the two-scale direct-interaction approximation to their transport equations based on the assumption that the density variation is relatively small.
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