Detection of origination for 3D unsteady aerodynamic phenomena

JAXA Supercomputer System Annual Report April 2019-March 2020

Report Number: R19EDA201N07

Subject Category: Aeronautical Technology

Responsible Representative: Masashi Kanamori, Aeronautical Technology Directorate, Numerical Simulation Research Unit
Contact Information: Kanako Yasue(yasue.kanako@jaxa.jp)
Members: Shigeru Kuchiishi, Kohji Suzuki, Kanako Yasue, Mami Hayakawa

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 and benefits of using JAXA Supercomputer System

A large-scale parallel computer such as JSS2 is indispensable for large-scale analysis to acquire unsteady numerical simulations.

Achievements of the Year

Zonal DES (ZDES) analysis around OAT15A wing have been additionally performed for preparing a journal paper.

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(%): 0.01

Details

Please refer to System Configuration of JSS2 for the system configuration and major specifications of JSS2.

Computational Resources
System Name	Amount of Core Time (core x hours)	Fraction of Usage*2(%)
SORA-MA	57,184.28	0.01
SORA-PP	2,950.60	0.02
SORA-LM	0.00	0.00
SORA-TPP	0.00	0.00

File System Resources
File System Name	Storage Assigned (GiB)	Fraction of Usage*2(%)
/home	205.71	0.17
/data	4,898.30	0.08
/ltmp	1,946.69	0.17

Archiver Resources
Archiver Name	Storage Used (TiB)	Fraction of Usage*2(%)
J-SPACE	0.07	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.