نتایج جستجو برای: low mach number model

تعداد نتایج: 3939758  

Journal: :J. Comput. Physics 2015
A. Bukhvostova J. G. M. Kuerten Bernard J. Geurts

In this study we propose a new numerical algorithm for droplet-laden turbulent channel flow with phase transitions at low Mach numbers. The carrier gas is treated as compressible flow. In order to avoid very small time steps at low Mach numbers that would arise from stability requirements associated with explicit time-stepping we propose a new semi-explicit time integration method, applied to t...

2014
K. Oßwald A. Siegmund P. Birken V. Hannemann A. Meister

A modification of the Roe scheme aimed at low Mach number flows is discussed. It improves the dissipation of kinetic energy at the highest resolved wave numbers in a low Mach number test case of decaying isotropic turbulence. This is done by scaling the jumps in all discrete velocity components within the numerical flux function. An asymptotic analysis is used to show the correct pressure scali...

Journal: :Communications in Applied Mathematics and Computational Science 2018

Journal: :SIAM Journal on Mathematical Analysis 2019

Journal: :ESAIM: Mathematical Modelling and Numerical Analysis 2005

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