Adaptive Time Steps for Compressible Flows Based on Dual-Time Stepping and a RK/Implicit Smoother

O. Peles; E. Turkel

doi:10.1007/s10915-019-01024-y

Adaptive Time Steps for Compressible Flows Based on Dual-Time Stepping and a RK/Implicit Smoother

O. Peles
, E. Turkel^*

^*Corresponding author for this work

School of Mathematical Sciences

IMI Systems

Research output: Contribution to journal › Article › peer-review

5 Scopus citations

Abstract

We present an adaptive time stepping technique, based on a dual-time stepping scheme together with a RK/implicit smoother for physical time marching. This method is found to be very efficient for transient problem characterized by a large variations of time scales during the physical time and hence a wide range of required physical time steps. We discuss the method and present several examples of compressible flow problems.

Original language	English
Pages (from-to)	1409-1428
Number of pages	20
Journal	Journal of Scientific Computing
Volume	81
Issue number	3
DOIs	https://doi.org/10.1007/s10915-019-01024-y
State	Published - 1 Dec 2019

Keywords

Acceleration
Adaptive time steps
DIRK
Dual time stepping
Navier–Stokes

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10.1007/s10915-019-01024-y

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abstract = "We present an adaptive time stepping technique, based on a dual-time stepping scheme together with a RK/implicit smoother for physical time marching. This method is found to be very efficient for transient problem characterized by a large variations of time scales during the physical time and hence a wide range of required physical time steps. We discuss the method and present several examples of compressible flow problems.",

keywords = "Acceleration, Adaptive time steps, DIRK, Dual time stepping, Navier–Stokes",

author = "O. Peles and E. Turkel",

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AB - We present an adaptive time stepping technique, based on a dual-time stepping scheme together with a RK/implicit smoother for physical time marching. This method is found to be very efficient for transient problem characterized by a large variations of time scales during the physical time and hence a wide range of required physical time steps. We discuss the method and present several examples of compressible flow problems.

KW - Acceleration

KW - Adaptive time steps

KW - DIRK

KW - Dual time stepping

KW - Navier–Stokes

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Adaptive Time Steps for Compressible Flows Based on Dual-Time Stepping and a RK/Implicit Smoother

Abstract

Keywords

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