Jian Zang , Yang Li , Zhi-Jian Wang , Ye-Wei Zhang , Li-Qun Chen
{"title":"基于区域扫描拟合的电动飞机含孔层合复合材料组合结构振动分析","authors":"Jian Zang , Yang Li , Zhi-Jian Wang , Ye-Wei Zhang , Li-Qun Chen","doi":"10.1016/j.jsv.2025.119399","DOIUrl":null,"url":null,"abstract":"<div><div>To address the dynamic analysis requirements of aerospace composite combined plate structures, a novel area scan-fitting method and Rayleigh-Ritz method (ASF-RRM) is proposed for investigating the vibration characteristics of hole-containing aircraft laminated composite combined structure (HALCCS). ASF-RRM can precisely discretize the irregular holes into coordinate points, and then the integral function of the irregular holes is obtained by fitting the mathematical function. Finally, within the theoretical framework of the energy principle, a comprehensive dynamic model containing complex hole geometry, elastic boundary constraints, internal coupling effects and high and low temperature variations is established. The method does not require the use of solving the holes by means of formulas and equations, which simplifies the analysis process. Numerical results obtained from finite element simulations and experimental modal tests confirm the high accuracy and reliability of the ASF-RRM approach. This work provides a novel analytical strategy for the dynamic characterization of complex perforated composite combined structures in aerospace engineering, particularly under coupled high-low temperature-mechanical boundary conditions.</div></div>","PeriodicalId":17233,"journal":{"name":"Journal of Sound and Vibration","volume":"619 ","pages":"Article 119399"},"PeriodicalIF":4.9000,"publicationDate":"2025-08-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Vibration analysis of hole-containing laminated composite combined structures in electric aircraft using an area scan-fitting approach\",\"authors\":\"Jian Zang , Yang Li , Zhi-Jian Wang , Ye-Wei Zhang , Li-Qun Chen\",\"doi\":\"10.1016/j.jsv.2025.119399\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><div>To address the dynamic analysis requirements of aerospace composite combined plate structures, a novel area scan-fitting method and Rayleigh-Ritz method (ASF-RRM) is proposed for investigating the vibration characteristics of hole-containing aircraft laminated composite combined structure (HALCCS). ASF-RRM can precisely discretize the irregular holes into coordinate points, and then the integral function of the irregular holes is obtained by fitting the mathematical function. Finally, within the theoretical framework of the energy principle, a comprehensive dynamic model containing complex hole geometry, elastic boundary constraints, internal coupling effects and high and low temperature variations is established. The method does not require the use of solving the holes by means of formulas and equations, which simplifies the analysis process. Numerical results obtained from finite element simulations and experimental modal tests confirm the high accuracy and reliability of the ASF-RRM approach. This work provides a novel analytical strategy for the dynamic characterization of complex perforated composite combined structures in aerospace engineering, particularly under coupled high-low temperature-mechanical boundary conditions.</div></div>\",\"PeriodicalId\":17233,\"journal\":{\"name\":\"Journal of Sound and Vibration\",\"volume\":\"619 \",\"pages\":\"Article 119399\"},\"PeriodicalIF\":4.9000,\"publicationDate\":\"2025-08-13\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of Sound and Vibration\",\"FirstCategoryId\":\"5\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S0022460X25004729\",\"RegionNum\":2,\"RegionCategory\":\"工程技术\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"ACOUSTICS\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Sound and Vibration","FirstCategoryId":"5","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0022460X25004729","RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"ACOUSTICS","Score":null,"Total":0}
Vibration analysis of hole-containing laminated composite combined structures in electric aircraft using an area scan-fitting approach
To address the dynamic analysis requirements of aerospace composite combined plate structures, a novel area scan-fitting method and Rayleigh-Ritz method (ASF-RRM) is proposed for investigating the vibration characteristics of hole-containing aircraft laminated composite combined structure (HALCCS). ASF-RRM can precisely discretize the irregular holes into coordinate points, and then the integral function of the irregular holes is obtained by fitting the mathematical function. Finally, within the theoretical framework of the energy principle, a comprehensive dynamic model containing complex hole geometry, elastic boundary constraints, internal coupling effects and high and low temperature variations is established. The method does not require the use of solving the holes by means of formulas and equations, which simplifies the analysis process. Numerical results obtained from finite element simulations and experimental modal tests confirm the high accuracy and reliability of the ASF-RRM approach. This work provides a novel analytical strategy for the dynamic characterization of complex perforated composite combined structures in aerospace engineering, particularly under coupled high-low temperature-mechanical boundary conditions.
期刊介绍:
The Journal of Sound and Vibration (JSV) is an independent journal devoted to the prompt publication of original papers, both theoretical and experimental, that provide new information on any aspect of sound or vibration. There is an emphasis on fundamental work that has potential for practical application.
JSV was founded and operates on the premise that the subject of sound and vibration requires a journal that publishes papers of a high technical standard across the various subdisciplines, thus facilitating awareness of techniques and discoveries in one area that may be applicable in others.