JAXA Supercomputer System Annual Report April 2017-March 2018

Report Number: R17EA1937

Subject Category: Aeronautical Technology

PDF available here

• Responsible Representative: Yasuhiro Mizobuchi, Aeronautical Technology Directrate, Numerical Simulation Research Unit
• Contact Information: Yasuhiro Mizobuchi mizo@chofu.jaxa.jp
• Members: Taisuke Nambu, Hiroki Yao, Shogo Yasuda, Yuichi Matsuo, Yasuhiro Mizobuchi, Hiroyuki Abe, Manabu Hisida, Jin Kusaka, Akira Kikusato, Tsukasa Hori, Youichi Ogata, Yoshimitsu Kohashi, Atsusi Fujino, Shun Ito, Daichi Obinata, Jun Hashimoto, Ryohei Kirihara, Takuhito Kuwabara, Yasushi Noguchi, Kazuhiro Uehara, Taisuke Kayashima, Yurina Maeda, Hiroyuki Sakai, Chikara Dodate, Shinji Nakamura, Takahiro Ishida, Daisuke Tanaka, Takayuki Hori, Ryo Uchida, Takeshi Kuramoto, Takashi Kaminaga, Satoshi Kawauchi, Daiki Miyai, Ryuichi Kaminaga, Tatsuya Kuboyama, Masato Kuchita, Kenichi Tokunaga, Fumihiko Tanoue, Masayuki Suzuki, Kentaro Koyama, Noriyuki Ohi, Kazuma Tago, Hisato Takeda, Yoshihiro Imaoka, Taketo Yamada, Junya Aono, Yoshito Tsujimura, Tomohiro Nakayama, Yuhi Morii, Yoshinori Iwanaga, Taishin Kobae

Abstract

Enhancement of CAE utilization in automotive engine research by developing an engine combustion simulation software that is sharable in Japan automotive research community.

Reference URL

Please refer to 'HINOCA関連資料｜革新的燃焼技術｜報戦略的イノベーション創造プログラム（SIP）'.

Reasons for using JSS2

Massive parametric study, Massive-parallel large scale simulation

Achievements of the Year

Reproduction of engine port shape difference effects in steady port flow simulation. Achievement of engine cycle simulation from intake to exhaust.

Fig.1: Effects of engine port configuration difference reproduced by HINOCA.

Fig.2: Engine cycle simulation from intake to exhaust.

Publications

■ Presentations

1) A. Kikusato et al., "Numerical Analysis on Flame Propagation in an Automobile Engine," 49th Flluiid Dynamiics Confference/35th Aerospace Numeriicall Siimullatiion Symposiium, Jun. 28, 2017.

2) D. Miyai et al., "Wall Reflection/Deposition Model of Spray in Immersed Boundary Model," 49th Flluiid Dynamiics Confference/35th Aerospace Numeriicall Siimullatiion Symposiium, Jun. 28, 2017.

3) Y. Matsuo et al., "Application of an adaptive mesh refinement method to the analysis of flow inside an engine cylinder," 49th Flluiid Dynamiics Confference/35th Aerospace Numeriicall Siimullatiion Symposiium, Jun. 28, 2017.

4) T. Nambu et al., "Validation of LES flow solver using immersed boundary method through analyses of curved duct flow," 49th Flluiid Dynamiics Confference/35th Aerospace Numeriicall Siimullatiion Symposiium, Jun. 28, 2017.

5) T. Hori, Y. Mizobuchi, "Spark Ignition Model for 3D Spark-Ignition Engine with Spark Channel Elongation," 49th Flluiid Dynamiics Confference/35th Aerospace Numeriicall Siimullatiion Symposiium, Jun. 28, 2017.

6) Y. Mizobuchi, "Development of engine combustion simulation software HINOCA," JSME RC276 2nd meeting, Sept. 21, 2017.

7) D. Miyai et al., "Steady State Port Flow Calculation with RANS HINOCA," 28th Internal Combustion Engine Symposium, Dec. 6, 2017.

8) R. Kaminaga et al., "Steady State Port Flow Calculation with LES HINOCA," 28th Internal Combustion Engine Symposium, Dec. 6, 2017.

9) Y. Mizobuchi, "Goals and functions of engine combustion simulation software HINOCA," JSME workshop, Jan. 19, 2018.

■ URLs for the Research Results on the Web

1)https://www.jst.go.jp/sip/event/k01_hinoca/index.html

Usage of JSS2

Computational Information

• Process Parallelization Methods: MPI
• Thread Parallelization Methods: OpenMP
• Number of Processes: 2 - 600
• Elapsed Time per Case: 500.00 hours

Resources Used

Fraction of Usage in Total Resources*1(%): 9.75

Details

Please refer to System Configuration of JSS2 for the system configuration and major specifications of JSS2.

*1: Fraction of Usage in Total Resources: Weighted average of three resource types (Computing, File System, and Archiver).

*2: Fraction of Usage：Percentage of usage relative to each resource used in one year.

JAXA Supercomputer System Annual Report April 2017-March 2018