The Process To Design and Analyze Dynamic Environment Test Fixtures (PDADyE)

IF 1.8 4区工程技术 Q3 ENGINEERING, MECHANICAL

Experimental Techniques Pub Date : 2025-10-30 DOI:10.1007/s40799-025-00845-x

C. Taylor, J. DeClerck, J. Blough, C. Van Karsen, D. Labyak, R. Joshua

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Abstract

Vibration qualification testing is an important and common requirement in many industries. In-lab testing is intended to evaluate a component’s life expectancy by exposing it to a dynamic environment similar to what it may experience in its field condition. To successfully perform these tests, it is imperative that the component of interest’s field boundary conditions (BCs) are replicated as closely as possible in the lab. One approach to achieving accurate dynamic environment testing is to design a fixture that sufficiently represents the impedance of the next-structure (field structure). The process to design and analyze dynamic environment test fixtures (PDADyE) is a method created to guide users through the process of successfully developing a vibration test fixture that accurately reproduces components field BCs. These BCs can consist of multiple directions of excitation and attachment locations between the device under test and its field structure. Using lumped parameter models built in MATLAB, this work demonstrates the process procedure and its effectiveness.

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动态环境测试夹具（PDADyE）设计与分析过程

在许多行业中，振动鉴定测试是一项重要而普遍的要求。实验室测试旨在通过将组件暴露在类似于其在现场条件下可能经历的动态环境中来评估组件的预期寿命。为了成功地进行这些测试，必须在实验室中尽可能地复制感兴趣的场边界条件（bc）的组成部分。实现精确动态环境测试的一种方法是设计一个夹具，该夹具充分表示下一个结构（场结构）的阻抗。设计和分析动态环境测试夹具（PDADyE）的过程是一种方法，旨在指导用户成功开发振动测试夹具的过程，该夹具可以准确地再现组件现场bc。这些bc可以由多个方向的激励和被测设备与其场结构之间的连接位置组成。利用MATLAB中建立的集总参数模型，验证了工艺流程及其有效性。

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来源期刊

Experimental Techniques 工程技术-材料科学：表征与测试

CiteScore

3.50

自引率

6.20%

发文量

审稿时长

5.2 months

期刊介绍： Experimental Techniques is a bimonthly interdisciplinary publication of the Society for Experimental Mechanics focusing on the development, application and tutorial of experimental mechanics techniques. The purpose for Experimental Techniques is to promote pedagogical, technical and practical advancements in experimental mechanics while supporting the Society''s mission and commitment to interdisciplinary application, research and development, education, and active promotion of experimental methods to: - Increase the knowledge of physical phenomena - Further the understanding of the behavior of materials, structures, and systems - Provide the necessary physical observations necessary to improve and assess new analytical and computational approaches.