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Aerodynamic Characteristics Improvement of Quad Tilt Wing VTOL Plane

JAXA Supercomputer System Annual Report April 2018-March 2019

Report Number: R18EA0901

Subject Category: Aeronautical Technology

PDF available here

  • Responsible Representative: Yoshihisa Aoki, Aeronautical Technoloty Directorate, Aerodynamic Research Unit
  • Contact Information: Yoshihisa Aoki(aoki@chofu.jaxa.jp)
  • Members: Yoshihisa Aoki

Abstract

Aerodynamic characteristics improvement of Quad Tilt Wing VTOL plane in cruise.

Reference URL

Please refer to ‘Four-engine tilt wing VTOL aircraft | Technology of VTOL/STOL | Aeronautical Technology Directorate‘.

Reasons for using JSS2

It takes a lot of time to calculate using workstation.

Achievements of the Year

Aerodynamic interference reduction method was studied from forward wing to backward wing of tandem wing using FaSTAR.

Publications

– Oral Presentations

1.Y.Aoki, K.Muraoka, “Aerodynamic Characteristics of Ellipse Wing in Flow with Flow Deflection Angle Distribution”, Proceedings of the 50th Fluid Dynamics Conference / the 36th Aerospace Numerical Simulation Symposium, 2018

2.Y. Aoki, K.Muraoka, “Aerodynamic Characteristics of Tandem Bi-Plane for Quad Tilt Wing Aircraft”, Procedings of the 56th Aircraft Symposium, 2018

3.Y.Aoki, K.Muraoka,”Forward Wing Tip Design for Induced Drag Reduction of Quad Tilt Wing VTOL Un-Manned Plane in Cruise”, AIAA Science and Technology Forum and Exposition, 2019

Usage of JSS2

Computational Information

  • Process Parallelization Methods: MPI
  • Thread Parallelization Methods: N/A
  • Number of Processes: 320
  • Elapsed Time per Case: 10 Hour(s)

Resources Used

 

Fraction of Usage in Total Resources*1(%): 0.02

 

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 182,839.56 0.02
SORA-PP 345.84 0.00
SORA-LM 307.76 0.14
SORA-TPP 0.00 0.00

 

File System Resources
File System Name Storage Assigned(GiB) Fraction of Usage*2(%)
/home 35.76 0.04
/data 596.05 0.01
/ltmp 244.14 0.02

 

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.

JAXA Supercomputer System Annual Report April 2018-March 2019


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How to use JSS3

To use JSS3, please refer to "How to use JSS3" page .