黑色墨水片的裂纹图案:sumi-wari 的作品
Michiko Shimokawa1, Lucas Goehring2, Akie Kinoshita1
1Nara Women's University, Kita-uoya Nishimachi, Nara, 630-8560, Japan. shimokawa@cc.nara-wu.ac.jp.
Soft matter
|March 17, 2026
概括
局部的表面张力变化导致薄膜中复杂的断裂模式. 增加子相粘度增强了sumi-wari中的裂尖峰,这个过程受到薄膜力学和流体特性的影响.
科学领域:
- 流体动力学 流体动力学
- 材料科学是一种材料科学.
- 断裂力学 断裂力学 断裂力学
背景情况:
- 薄的界面薄膜表现出由局部表面张力变化影响的复杂的断裂动态.
- 苏米瓦里是一种传统的基于墨水的日本艺术形式,产生星形裂纹图案.
- 在这种断裂过程中,子相性质和薄膜力学之间的关系需要进一步研究.
研究的目的:
- 为了研究水-甘油子相上的sumi膜中局部表面张力扰动产生的断裂模式.
- 了解子相粘度如何影响sumi-wari的形态和动态.
- 探索子相性质和sumi膜的机械行为之间的合.
主要方法:
- 将局部表面张力扰动应用于水-甘油子相上的sumi膜.
- 原子力显微镜测量在不同的甘油度下苏米薄膜的有效刚度.
- 基于可破裂弹和数值模拟的现象学模型的开发.
主要成果:
- 在sumi-wari中,裂尖的数量随着亚相粘度 (甘油度) 的增加而增加.
- 糖醇度的增加导致sumi膜的有效刚度降低.
- 数字模拟成功地重现了裂形态和时间演变的实验观测.
结论:
- 亚相特性,特别是粘度,显著影响流体支的薄膜中的断裂模式.
- 苏米薄膜的机械性能与子相的特性之间存在强烈的合.
- 该研究提供了对薄膜局部骨折和模式形成的基本机制的洞察.
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