Multivariate time series data analysis
JAXA Supercomputer System Annual Report February 2022-January 2023
Report Number: R22EDA201N04
Subject Category: Aeronautical Technology
- Responsible Representative: Atsushi Hashimoto, Aviation Technology Directorate, Aircraft Lifecycle Innovation Hub
- Contact Information: Yuya Ohmichi(ohmichi.yuya@jaxa.jp)
- Members: Mami Hayakawa, Yoshitaka Ishii, Keita Nakamoto, Yuya Ohmichi, Kento Yamada
Abstract
Knowledge extraction techniques for large datasets are important because the computers and numerical simulation techniques have been highly developed and they are producing a huge amount of data. In this study, we have been developing knowledge extraction tools which extract patterns from large data obtained by unsteady fluid simulations and experiments.
Reference URL
N/A
Reasons and benefits of using JAXA Supercomputer System
To perform large-scale data analysis utilizing the large memory capacity and massively parallel simulations.
Achievements of the Year
A noise reduction method for high-dimensional time-series data such as the unsteady pressure-sensitive paint measurement data was proposed in this study and its performance was demonstrated by several analysis conducted using the JSS3.
Publications
– Peer-reviewed papers
Ohmichi, Y., Takahashi, K. & Nakakita, K. Time-series image denoising of pressure-sensitive paint data by projected multivariate singular spectrum analysis. Exp Fluids 63, 181 (2022). https://doi.org/10.1007/s00348-022-03523-5
Usage of JSS
Computational Information
- Process Parallelization Methods: N/A
- Thread Parallelization Methods: OpenMP
- Number of Processes: 1
- Elapsed Time per Case: 12 Hour(s)
JSS3 Resources Used
Fraction of Usage in Total Resources*1(%): 0.50
Details
Please refer to System Configuration of JSS3 for the system configuration and major specifications of JSS3.
System Name | CPU Resources Used(Core x Hours) | Fraction of Usage*2(%) |
---|---|---|
TOKI-SORA | 12077263.81 | 0.53 |
TOKI-ST | 22297.44 | 0.02 |
TOKI-GP | 3152.45 | 0.13 |
TOKI-XM | 23981.62 | 15.00 |
TOKI-LM | 4483.76 | 0.30 |
TOKI-TST | 0.00 | 0.00 |
TOKI-TGP | 0.00 | 0.00 |
TOKI-TLM | 0.00 | 0.00 |
File System Name | Storage Assigned(GiB) | Fraction of Usage*2(%) |
---|---|---|
/home | 358.10 | 0.32 |
/data and /data2 | 27591.81 | 0.21 |
/ssd | 167.62 | 0.02 |
Archiver Name | Storage Used(TiB) | Fraction of Usage*2(%) |
---|---|---|
J-SPACE | 5.27 | 0.02 |
*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 Used(Hours) | Fraction of Usage*2(%) | |
---|---|---|
ISV Software Licenses(Total) | 752.69 | 0.52 |
*2: Fraction of Usage:Percentage of usage relative to each resource used in one year.
JAXA Supercomputer System Annual Report February 2022-January 2023