JAXA Supercomputer System Annual Report April 2016-March 2017

Report Number: R16E0035

• Responsible Representative: Takeshi Ito(Aeronautical Technology Directorate, Next Generation Aeronautical Innovation Hub Center)
• Contact Information: Takashi Ishida(ishida.takashi@jaxa.jp)
• Members: Takashi Aoyama, Atsushi Hashimoto, Takashi Ishida, Hideaki Sugawara, Keiji Ueshima, Minoru Yoshimoto, Takuya Ogura, Shinsuke Nishimura, Yukinori Morita, Kazuhiro Imai, Kei Nakanishi
• Subject Category: Basic Research(Numerical analysis,Grid generation)

Abstract

In this research, we have extended FaSTAR-code to be able to handle coupled analysis of motion and aerodynamics and conducted a store-separation analysis for the validation.

Goal

In this research, we extend FaSTAR-code to be able to handle coupled analysis of motion and aerodynamics and conduct validation analysis.

Objective

The purpose of this research is to conduct the store-separation analysis by FaSTAR-Move within 2~3 days with JSS2.

References and Links

Please refer 'Applied fundamental technology | Science & Basic Tech. - Aeronautical Science and Basic Technology Research | Aeronautical Technology Directorate'.

Use of the Supercomputer

Computer for large-scale unsteady flow simulation

Necessity of the Supercomputer

JSS must be needed to complete numerical simulations of unsteady flow phenomenon and understand it in short time span .

Achievements of the Year

We have extended FaSTAR-code to be able to handle coupled analysis of motion and aerodynamics and conducted the store-separation analysis of Eglin test case for the validation. Our numerical result showed good agreement with experimental data. We confirmed that the store-separation analysis was completed within 2~3 days with JSS2,2048 parallel.

Fig.1:Cp distribution, trajectories

Fig.2:Trajectories of the center of gravity and velocities of the store

Publications

N/A

Computational Information

• Parallelization Methods: Hybrid Parallelization
• Process Parallelization Methods: MPI
• Thread Parallelization Methods: OpenMP
• Number of Processes: 64
• Number of Threads per Process: 32
• Number of Nodes Used: 32
• Elapsed Time per Case (Hours): 48
• Number of Cases: 20

Resources Used

Total Amount of Virtual Cost(Yen): 2,505,669

Breakdown List by Resources

Note: Virtual Cost=amount of cost, using the unit price list of JAXA Facility Utilization program(2016)

JAXA Supercomputer System Annual Report April 2016-March 2017