Research of coupled analysis of motion and aerodynamics
JAXA Supercomputer System Annual Report April 2017-March 2018
Report Number: R17EA3210
Subject Category: Aeronautical Technology
- Responsible Representative: Takeshi Ito, Aeronautical Technology Directorate, Next Generation Aeronautical Innovation Hub Center
- Contact Information: Takashi Ishida ishida.takashi@jaxa.jp
- Members: Atsushi Hashimoto, Takashi Ishida, Hideaki Sugawara, Keiji Ueshima, Minoru Yoshimoto, Takuya Ogura, Shinsuke Nishimura, Yukinori Morita, Kazuhiro Imai, Shigeru Kuchiishi
Abstract
In this research, we have extended FaSTAR-code to be able to handle coupled analysis of motion and aerodynamics and conducted a store-separation analysis for the validation.
Reference URL
N/A
Reasons for using JSS2
Computer for large-scale unsteady flow simulation
Achievements of the Year
In this year, we have reduced the memory cost and accelerated the computational speed of FaSTAR-Move to enhance the user’s convenience. As a result, the unsteady flow simulation of store-separation analysis with 10M grid points was finished within one-day.
Publications
■ Presentations
1)Keiji Ueshima, et al., “Development of FaSTAR-Move for flow analysis around moving/deforming bodies”, 49th Fluid Dynamics Conference/35nd Aerospace Numerical Simulation Symposium, Tokyo, 2017
2)Keiji Ueshima, et al., “Improvement of FaSTAR-Move capability towards practical use”, 55th Aircraft Symposium, Shimane, 2017
Usage of JSS2
Computational Information
- Process Parallelization Methods: MPI
- Thread Parallelization Methods: N/A
- Number of Processes: 64 – 2048
- Elapsed Time per Case: 20.00 hours
Resources Used
Fraction of Usage in Total Resources*1(%): 1.45
Details
Please refer to System Configuration of JSS2 for the system configuration and major specifications of JSS2.
System Name | Amount of Core Time(core x hours) | Fraction of Usage*2(%) |
---|---|---|
SORA-MA | 11,678,000.75 | 1.54 |
SORA-PP | 61,313.68 | 0.77 |
SORA-LM | 12,511.32 | 6.44 |
SORA-TPP | 0.00 | 0.00 |
File System Name | Storage Assigned(GiB) | Fraction of Usage*2(%) |
---|---|---|
/home | 121.34 | 0.08 |
/data | 23,151.11 | 0.43 |
/ltmp | 4,072.77 | 0.31 |
Archiver Name | Storage Used(TiB) | Fraction of Usage*2(%) |
---|---|---|
J-SPACE | 0.52 | 0.02 |
*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