JAXA Supercomputer System Annual Report April 2018-March 2019

Report Number: R18EACA40

Subject Category: JSS2 Inter-University Research

PDF available here

• Responsible Representative: Munehito Shoda, PhD candidate, The University of Tokyo
• Contact Information: Munehito Shoda(shoda.m.astroph@gmail.com)
• Members: Munehito Shoda, Takaaki Yokoyama

Abstract

To reveal the pysical mechanism of the heating and acceleration of the solar wind, we have conducted for the first time a three-dimensional MHD simulation of the solar wind.

Reference URL

N/A

Reasons for using JSS2

We need a large amount of calculation resource to debug and to improve the parallelization efficiency. JSS2 is used for code development and test calculation.

Achievements of the Year

We have developed a numerical code for three-dimensional MHD model of the solar wind including the divergence B cleaning and a new solver for fast thermal cnduction. It took a long time to debug and to stabilize the code. We have run the code with another super computer and suceeded in simulating the solar wind for the first time.

Publications

N/A

Usage of JSS2

Computational Information

• Process Parallelization Methods: MPI
• Thread Parallelization Methods: N/A
• Number of Processes: 8 – 3200
• Elapsed Time per Case: 4 Hour(s)

Resources Used

Fraction of Usage in Total Resources*1(%): 0.00

Details

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

*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