一种对轴束解决方案,用于超声波导向波在异型弹性板上的超声波导向波
Taizo Maruyama1, Sumika Yamada1, Akira Furukawa2
1Department of Civil and Environmental Engineering, Institute of Science Tokyo, W8-22, 2-12-1 Ookayama, Meguro-ku, Tokyo, 152-8550, Japan.
Ultrasonics
|February 6, 2025
概括
这项研究引入了在异构板中的超声波导向波的对轴近似. 该方法准确地模拟了光束传播和衍射效应,受新曲角的影响.
科学领域:
- 声学 声学 在声学方面
- 材料科学 材料科学 材料科学
- 波浪传播 波浪传播
背景情况:
- 在非破坏性测试中,异型弹性板中的引导波对非破坏性测试至关重要.
- 精确的超声波束建模对于理解波传播和波折是必不可少的.
研究的目的:
- 开发一个对轴近似的超声波束溶液在异型弹性板.
- 为了获得一个明确的形式的对轴的高斯波束解决方案.
主要方法:
- 使用引导波的角光谱表示.
- 应用一个小角度近似来推导一个对轴积分形式.
- 引入一个倾斜的平面内坐标系统来定义一个斜角.
- 用二维的赫尔姆霍尔茨方程来计算振幅函数.
主要成果:
- 一个对轴近似的角光谱表示成功地得出.
- 大致积分形式描述了与波数导数相关的斜视角的光束传播.
- 获得了对异构板的明确的抛向高斯束溶液.
- 数字验证证实了得到的溶液的准确性.
结论:
- 拟议的对轴近似为构建超声波束解决方案提供了一种有效的方法.
- 超声波束中的衍射效应受到斜视角形状的显著影响.
- 该配方能够适应光学中的传统光束模式,从而实现更广泛的应用.
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