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Updated: Jun 24, 2025

A Coupled Experiment-finite Element Modeling Methodology for Assessing High Strain Rate Mechanical Response of Soft Biomaterials

A Coupled Experiment-finite Element Modeling Methodology for Assessing High Strain Rate Mechanical Response of Soft Biomaterials

Published on: May 18, 2015

流体-粒子-结构相互作用在单次拍摄的.

Yusuke Mizuno¹, Takashi Misaka², Yoshiyuki Furukawa²

¹Industrial Cyber-Physical Systems Research Center, National Institute of Advanced Industrial Science and Technology (AIST), 2-3-26 Aomi, Koto-Ku, Tokyo, 135-0064, Japan. y.mizuno@aist.go.jp.

Scientific reports

|June 6, 2024

概括

这项研究揭示了流体动力学是如何影响射击的. 相对雷诺兹数的增加会产生复杂的流场,导致随机射击行为和不对称的材料缩影.

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Published on: August 7, 2018

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Last Updated: Jun 24, 2025

A Coupled Experiment-finite Element Modeling Methodology for Assessing High Strain Rate Mechanical Response of Soft Biomaterials

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Published on: May 18, 2015

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科学领域:

材料科学材料科学材料科学
流体动力学流体动力学
机械工程机械工程

背景情况:

射击削是一种关键的冷加工工艺,用于增强材料性能.
了解流体流动和粒子冲击之间的复杂相互作用对于优化射击点击至关重要.
以前的分析经常简化了流体-粒子-结构相互作用.

研究的目的:

用一种新的流体-粒子-结构合溶解器来分析射击探的物理现象.
为了研究流场和射击点击参数 (冲击速度,射击大小) 对粒子行为的影响.
为了动态分析AISI4340钢在射击撞击时的弹性塑料反应.

主要方法:

开发和应用使用沉浸边界方法的弱合溶解器.
使用有限元法在硬钢射击碰撞过程中对AISI4340进行动态分析.
使用相对雷诺兹数对碰撞后流场的描述.

主要成果:

相对的雷诺斯数有效地描述了射击和结构之间的碰撞后流场.
较高的相对雷诺兹数在撞击地点产生复杂的流场和结构.
这些流体结构诱导随机射击轨迹和材料中的不对称缩影.

结论:

流体动力学显著影响射击选结果,影响粒子行为和表面完整性.
开发的合解决方案提供了一个强大的框架来分析这些复杂的相互作用.
优化射击削工艺需要仔细考虑流体流动特性及其与材料反应的关系.