Research keywords (4)：
エロージョン
, 気泡崩壊
, 液滴衝突
, 流体/材料連成数値解析
Research theme for competitive and other funds (2)：
2020 - 2023 Generation of novel functional materials by using hydrodynamic cavitation with particles
2018 - 2022 Elucidation of solid-liquid-gas interfacial phenomena induced by pulse laser and its practical application
Papers (41)：
Yuka Iga, Chieko Kuji, Hirotoshi Sasaki, Hitoshi Soyama. Fluid/Material Coupled Numerical Simulation of a Bubble Collapse Near a Wall for Laser Cavitation Peening. Lecture Notes in Mechanical Engineering. 2024. 309-314
Yuka Iga, Hirotoshi Sasaki. Relationship between a non-spherical collapse of a bubble and a stress state inside a wall. Physics of Fluids. 2023. 35. 2. 023312-023312
Yuka Iga, Junnosuke Okajima, Yuki Yamagichi, Hirotoshi Sasaki, Yu Ito. Thermodynamic Suppression Effect of Cavitation Arising in a Hydrofoil in 140 C Hot Water. Journal of Fluids Engineering, Transactions of the ASME. 2023. 145. 1
Hirotoshi Sasaki, Fuimo Takeo, Hitoshi Soyama. Cavitation erosion resistance of the titanium alloy Ti-6Al-4V manufactured through additive manufacturing with various peening methods. Wear. 2020. 462-463
Yuya Okura, Hirotoshi Sasaki, Hitoshi Soyama. Effect of Mechanical Properties on Fatigue Life Enhancement of Additive Manufactured Titanium Alloy Treated by Various Peening Methods. Lecture Notes in Mechanical Engineering. 2020. 88-96
SASAKI Hirotoshi, ENDO Susumu, IGA Yuka. Numerical analysis of fluid-material coupled method on propagation of pressure and stress waves during non-spherical bubble collapse. Transactions of the JSME (in Japanese). 2021
SASAKI Hirotoshi, SOYAMA Hitoshi. Cavitation Erosion of Titanium Alloy Ti-6Al-4V Manufactured by 3D Additive Manufacturing. The Proceedings of Conference of Tohoku Branch. 2020. 2020. 0. 162_paper
SASAKI Hirotoshi, OCHIAI Naoya, IGA Yuka. Numerical Analysis of Occurrence of Cavitation Bubble in Liquid Droplet Impingement. The Proceedings of The Computational Mechanics Conference. 2014. 2014. 0. 855-857
Lectures and oral presentations (12)：
Fluid/material coupled numerical analysis on erosion progression mechanism in high-speed liquid droplet impingement
(2019)
Numerical Analysis of Liquid Droplet Impingement on Rough Material Surface with Water Pool
(29th IAHR Symposium on Hydraulic Machinery and Systems, Kyoto, Japan 2018)
Fluid/Material Coupled Numerical Analysis of Relationship between Behavior of Bubble Collapse and Distribution of Stress in Material
(The 9th JSME-KSME Thermal and Fluids Engineering Conference, Okinawa, Japan 2017)
