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.

Computational Resources
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 Resources
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 Resources
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 Resources
	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.