Advanced simulation of internal flow in rotating machinery
JAXA Supercomputer System Annual Report February 2021-January 2022
Report Number: R21EDA201P11
Subject Category: Aeronautical Technology
- Responsible Representative: Tatsuya Ishii, Aviation Technology Directorate, Aviation Environmental Sustainability Innovation Hub
- Contact Information: Junichi Kazawa, Aeronautical Technology Directorate, Aviation Environmental Sustainability Innovation Hub(kazawa.junichi@jaxa.jp)
- Members: Shunji Enomoto, Junichi Kazawa, Toshio Nishizawa
Abstract
In order to improve the accuracy of predicting the aerodynamic performance of the rotating machine by numerical simulation, comparison with known data will be performed.
Reference URL
N/A
Reasons and benefits of using JAXA Supercomputer System
Necessary for quick case studies.
Achievements of the Year
Verification was conducted on NASA Rotor37 and Rotor67, and it was confirmed that there was no problem with the prediction accuracy.
Fig.1: Mach Number Dstribution (Rotor67)
Fig.2: Performance Map (Rotor67)
Publications
N/A
Usage of JSS
Computational Information
- Process Parallelization Methods: MPI
- Thread Parallelization Methods: Automatic Parallelization
- Number of Processes: 9
- Elapsed Time per Case: 20 Hour(s)
JSS3 Resources Used
Fraction of Usage in Total Resources*1(%): 0.06
Details
Please refer to System Configuration of JSS3 for the system configuration and major specifications of JSS3.
| System Name | CPU Resources Used(Core x Hours) | Fraction of Usage*2(%) |
|---|---|---|
| TOKI-SORA | 123967.31 | 0.01 |
| TOKI-ST | 373958.50 | 0.46 |
| TOKI-GP | 0.00 | 0.00 |
| TOKI-XM | 0.00 | 0.00 |
| TOKI-LM | 0.00 | 0.00 |
| TOKI-TST | 0.00 | 0.00 |
| TOKI-TGP | 0.00 | 0.00 |
| TOKI-TLM | 0.00 | 0.00 |
| File System Name | Storage Assigned(GiB) | Fraction of Usage*2(%) |
|---|---|---|
| /home | 21.09 | 0.02 |
| /data and /data2 | 6029.09 | 0.06 |
| /ssd | 997.45 | 0.26 |
| Archiver Name | Storage Used(TiB) | Fraction of Usage*2(%) |
|---|---|---|
| J-SPACE | 23.35 | 0.16 |
*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.
ISV Software Licenses Used
| ISV Software Licenses Used(Hours) | Fraction of Usage*2(%) | |
|---|---|---|
| ISV Software Licenses(Total) | 20.20 | 0.01 |
*2: Fraction of Usage：Percentage of usage relative to each resource used in one year.
JAXA Supercomputer System Annual Report February 2021-January 2022