Advanced simulation of internal flow in rotating machinery
JAXA Supercomputer System Annual Report February 2023-January 2024
Report Number: R23EDA201P11
Subject Category: Aeronautical Technology
- Responsible Representative: Atsushi Kanda, Aviation Technology Directorate, Aviation Safety Innovation Hub
- Contact Information: Junichi Kazawa, Aviation Technology Directorate, Aviation Safety Innovation Hub(kazawa.junichi@jaxa.jp)
- Members: Kazuhisa Amemiya, Shunji Enomoto, Junichi Kazawa
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
Since large-scale analysis will be performed to verify the LES analysis, this cannot be performed without JSS.
Achievements of the Year
Verifications of numerical analyses by LES were performed for Rotor37.
Fig.1: Iso Surface of Q value (Rotor37)
Publications
N/A
Usage of JSS
Computational Information
- Process Parallelization Methods: MPI
- Thread Parallelization Methods: OpenMP
- Number of Processes: 152 – 544
- Elapsed Time per Case: 1440 Hour(s)
JSS3 Resources Used
Fraction of Usage in Total Resources*1(%): 0.74
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 | 20024171.05 | 0.90 |
| TOKI-ST | 0.00 | 0.00 |
| 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 | 32.89 | 0.03 |
| /data and /data2 | 11188.08 | 0.07 |
| /ssd | 579.23 | 0.05 |
| Archiver Name | Storage Used(TiB) | Fraction of Usage*2(%) |
|---|---|---|
| J-SPACE | 15.01 | 0.05 |
*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) | 35.55 | 0.02 |
*2: Fraction of Usage：Percentage of usage relative to each resource used in one year.
JAXA Supercomputer System Annual Report February 2023-January 2024