Detection of origination for 3D unsteady aerodynamic phenomena (AEROSENS)
JAXA Supercomputer System Annual Report April 2018-March 2019
Report Number: R18EDA201N07
Subject Category: Aeronautical Technology
- Responsible Representative: Takashi Aoyama, Aeronautical Technology Directorate, Numerical Simulation Research Unit
- Contact Information: Shigeru Kuchiishi(shigeruk@chofu.jaxa.jp)
- Members: Shigeru Kuchiishi, Kohji Suzuki , Kanako Yasue, Shinya Watanabe
Abstract
Unsteady CFD analysis will be performed in order to detect the starting point of buffet phnomena utilizing data mining techniques.
Reference URL
N/A
Reasons for using JSS2
A large-scale parallel computer such as JSS2 is indispensable for large-scale 3D NS analysis to acquire unsteady numerical simulations.
Achievements of the Year
Zonal DES (ZDES) Analysis for several angle of attack conditions have been performed (Fig.1 and 2). Data mining techniques for detecting places that might effect to the shock oscillation have been developed using obtained ZDES results.
Fig.2(video): ZDES results for OAT15A type airfoil
Publications
N/A
Usage of JSS2
Computational Information
- Process Parallelization Methods: MPI
- Thread Parallelization Methods: N/A
- Number of Processes: 512
- Elapsed Time per Case: 120 Hour(s)
Resources Used
Fraction of Usage in Total Resources*1(%): 0.50
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 | 4,360,052.50 | 0.53 |
SORA-PP | 46,984.41 | 0.38 |
SORA-LM | 444.16 | 0.21 |
SORA-TPP | 0.00 | 0.00 |
File System Name | Storage Assigned(GiB) | Fraction of Usage*2(%) |
---|---|---|
/home | 86.11 | 0.09 |
/data | 2,767.69 | 0.05 |
/ltmp | 1,669.34 | 0.14 |
Archiver Name | Storage Used(TiB) | Fraction of Usage*2(%) |
---|---|---|
J-SPACE | 0.06 | 0.00 |
*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 2018-March 2019