Parallelization and Performance Analysis of an Implicit Compressible Combustion Code for Aerospace Applications

Roman Keller (), Markus Lempke, Yann Hendrik Simsont, Peter Gerlinger and Manfred Aigner
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Roman Keller: Institut für Verbrennungstechnik der Luft- und Raumfahrt
Markus Lempke: Institut für Verbrennungstechnik der Luft- und Raumfahrt
Yann Hendrik Simsont: Institut für Verbrennungstechnik der Luft- und Raumfahrt
Peter Gerlinger: Institut für Verbrennungstechnik der Luft- und Raumfahrt
Manfred Aigner: Institut für Verbrennungstechnik der Luft- und Raumfahrt

A chapter in High Performance Computing in Science and Engineering ‘14, 2015, pp 251-266 from Springer

Abstract: Abstract The compressible, implicit combustion code TASCOM3D is used with and without the spray module SPRAYSIM for different aerospace applications. A number of such cases and analysis of the performance of the code on massively parallel systems will be given. These include supersonic combustion simulations of a complete scramjet model, a model rocket combustor fueled with gaseous oxygen and hydrogen as well as two multiphase simulations. The evaporation of kerosene in a preheated, pressurized channel and the spray combustion in a LOX/GH2 rocket combustor require an additional numerical tool to account for the liquid phase. Droplet propagation and evaporation is computed by the research code SPRAYSIM. Furthermore investigations with respect to the performance of the employed numerical codes are addressed. With respect to TASCOM3D the influence of block sizing on the performance is investigated intensively both in terms of weak and strong scaling. The strong scaling performance of SPRAYSIM is investigated for both multiphase simulations. It will be shown that both codes show a nearly ideal behavior.

Keywords: Weak Scaling; Species Mass Fraction; Strong Scaling; Floating Point Unit; Turbulence Chemistry Interaction (search for similar items in EconPapers)
Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-3-319-10810-0_18

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DOI: 10.1007/978-3-319-10810-0_18

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