Development of Java multi-threaded simulation for chemical reacting flow of ethanol

Authors:
E. Yamada;T. Shimada;A. K. Hayashi
Affiliations:
Department of Mechanical Engineering, Aoyama Gakuin University, 5-10-1 Fuchinobe, Chuo-Ku, Sagamihara, Kanagawa 252-5258, Japan;Department of Mechanical Engineering, Aoyama Gakuin University, 5-10-1 Fuchinobe, Chuo-Ku, Sagamihara, Kanagawa 252-5258, Japan;Department of Mechanical Engineering, Aoyama Gakuin University, 5-10-1 Fuchinobe, Chuo-Ku, Sagamihara, Kanagawa 252-5258, Japan
Venue:
Advances in Engineering Software
Year:
2012

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Abstract

Multi-threading in Java enhances computational performance and facilitates the development of parallel software. To obtain high performance on multi-core systems, this study develops a multi-threaded simulation code using Java for the chemical reacting flow of ethanol. Three ethanol reaction models were implemented in this code to investigate the effects of multi-threaded processing on three multi-core CPUs. The computational load for the chemical reaction significantly increases with the number of chemical equations and high temperature portion of the domain. To enhance parallel performance, the domain in which the chemical reaction occurs is appropriately decomposed at each time step, resulting in improved parallel performance.