Numerical analysis for turbo pumps
JAXA Supercomputer System Annual Report April 2019-March 2020
Report Number: R19EK2305
Subject Category: Space Technology
- Responsible Representative: Masashi Okada, Project manager, H3 Project Team
- Contact Information: Satoshi Ukai(ukai.satoshi@jaxa.jp)
- Members: Hideyo Negishi, Satoshi Ukai, Mizuho Aotsuka
Abstract
Design evaluation using numerical simulation is carried out for technical issues of the LE-9 engine turbo pump.
Reference URL
N/A
Reasons and benefits of using JAXA Supercomputer System
In order to carry out large-scale numerical analysis of multiple cases in a short period of time.
Achievements of the Year
The analysis of forced resonance of turbine rotors has been carried out, and the results have been reflected to LE-9 turbo pump design.
Publications
– Non peer-reviewed papers
Azuma et al, “The Development Status of LE-9 Engine Turbopump for H3 Launch Vehicle”, AIAA Propulsion and Energy Forum, Indianapolis, AIAA Paper 2019-4439, August, 19-22, 2019
Usage of JSS2
Computational Information
- Process Parallelization Methods: XPFortran
- Thread Parallelization Methods: OpenMP
- Number of Processes: 20 – 960
- Elapsed Time per Case: 500 Hour(s)
Resources Used
Fraction of Usage in Total Resources*1(%): 2.91
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 | 26,411,763.52 | 3.21 |
SORA-PP | 8,077.66 | 0.05 |
SORA-LM | 0.00 | 0.00 |
SORA-TPP | 0.00 | 0.00 |
File System Name | Storage Assigned(GiB) | Fraction of Usage*2(%) |
---|---|---|
/home | 3,680.62 | 3.07 |
/data | 16,850.50 | 0.29 |
/ltmp | 2,393.54 | 0.20 |
Archiver Name | Storage Used(TiB) | Fraction of Usage*2(%) |
---|---|---|
J-SPACE | 0.26 | 0.01 |
*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 2019-March 2020