| 超声换能器声场的模拟和可视化研究 |
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| 引用本文： | 沙正骁,刚铁,赵新玉. 超声换能器声场的模拟和可视化研究[J]. 无损检测, 2011, 0(5): 2-6 |
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| 作者姓名： | 沙正骁 刚铁 赵新玉 |
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| 作者单位： | 哈尔滨工业大学现代焊接技术国家重点实验室;北京理工大学机械与车辆工程学院; |
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| 基金项目： | 国家自然科学基金资助项目(50775054); 国际合作基金资助项目(2007DFR70070) |
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| 摘 要： | 了解超声换能器声场的分布对于检测精度和灵敏度的提高、检测工艺参数的优化都起着至关重要的作用。为了更直观地分析超声换能器的声场，提高对超声波产生和传播机理的理解，利用多元高斯声柬模型，对超声换能器辐射的声场进行了计算机模拟和可视化，开发了具有良好用户界面接口的声场模拟程序。试验结果表明，模拟结果能够比较准确地反映声场的实际分布。
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| 关 键 词： | 换能器声场 模拟 可视化 高斯声柬模型 |
Simulation and Visualization of the Radiated Acoustic Field of Ultrasonic Transducers |
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| SHA Zheng-Xiao,GANG Tie,ZHAO Xin-Yu. Simulation and Visualization of the Radiated Acoustic Field of Ultrasonic Transducers[J]. Nondestructive Testing, 2011, 0(5): 2-6 |
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| Authors: | SHA Zheng-Xiao GANG Tie ZHAO Xin-Yu |
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| Affiliation: | SHA Zheng-Xiao~1,GANG Tie~1,ZHAO Xin-Yu~2 (1.State Key Laboratory of Advanced Welding Production Technology,Harbin Institute of Technology,Harbin 150001,China,2.School of Mechanical Engineering,Beijing Institute of Technology,Beijing 100081,China) |
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| Abstract: | Knowing the acoustic field distribution of ultrasonic transducers is of vital importance to the improvement of testing accuracy and sensitivity and the optimization of inspection parameters.In order to analyze the acoustic field of ultrasonic transducers more directly and to understand better the generation and propagation mechanism of ultrasound,the radiated acoustic field of ultrasonic transducers is simulated and visualized by means of multi-Gaussian beam model.Moreover,an acoustic field simulation progr... |
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| Keywords: | Transducer radiated acoustic field Simulation Visualization Multi-gaussian beam model |
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