{"title":"冲击载荷下压电半导体格里菲斯裂纹的瞬态响应：ⅰ型问题","authors":"Wangdong Shi, Lingling Liu, Wenjie Feng","doi":"10.1007/s00707-025-04398-3","DOIUrl":null,"url":null,"abstract":"<div><p>The transient response properties of an infinite piezoelectric semiconductor strip with a Griffith crack under dynamic impact loadings are investigated by using the Laplace and Fourier transforms and introducing dislocation density functions, where electrically impermeable crack-face conditions are adopted. This work emphasizes to analysis the transient variations of dynamic energy release rate of the present Mode-I fracture problem, which is derived firstly under various loading combinations and for different initial carrier concentrations and crack configurations. Some useful phenomena are observed. Among them, the dependence of crack propagation on the loading combinations is significant, and negative current (or voltage) loading much more effectively suppresses crack propagation.</p></div>","PeriodicalId":456,"journal":{"name":"Acta Mechanica","volume":"236 8","pages":"4537 - 4549"},"PeriodicalIF":2.9000,"publicationDate":"2025-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Transient response of Griffith crack in piezoelectric semiconductors under impact loading: Mode-I problem\",\"authors\":\"Wangdong Shi, Lingling Liu, Wenjie Feng\",\"doi\":\"10.1007/s00707-025-04398-3\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>The transient response properties of an infinite piezoelectric semiconductor strip with a Griffith crack under dynamic impact loadings are investigated by using the Laplace and Fourier transforms and introducing dislocation density functions, where electrically impermeable crack-face conditions are adopted. This work emphasizes to analysis the transient variations of dynamic energy release rate of the present Mode-I fracture problem, which is derived firstly under various loading combinations and for different initial carrier concentrations and crack configurations. Some useful phenomena are observed. Among them, the dependence of crack propagation on the loading combinations is significant, and negative current (or voltage) loading much more effectively suppresses crack propagation.</p></div>\",\"PeriodicalId\":456,\"journal\":{\"name\":\"Acta Mechanica\",\"volume\":\"236 8\",\"pages\":\"4537 - 4549\"},\"PeriodicalIF\":2.9000,\"publicationDate\":\"2025-06-16\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Acta Mechanica\",\"FirstCategoryId\":\"5\",\"ListUrlMain\":\"https://link.springer.com/article/10.1007/s00707-025-04398-3\",\"RegionNum\":3,\"RegionCategory\":\"工程技术\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q2\",\"JCRName\":\"MECHANICS\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Acta Mechanica","FirstCategoryId":"5","ListUrlMain":"https://link.springer.com/article/10.1007/s00707-025-04398-3","RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"MECHANICS","Score":null,"Total":0}
Transient response of Griffith crack in piezoelectric semiconductors under impact loading: Mode-I problem
The transient response properties of an infinite piezoelectric semiconductor strip with a Griffith crack under dynamic impact loadings are investigated by using the Laplace and Fourier transforms and introducing dislocation density functions, where electrically impermeable crack-face conditions are adopted. This work emphasizes to analysis the transient variations of dynamic energy release rate of the present Mode-I fracture problem, which is derived firstly under various loading combinations and for different initial carrier concentrations and crack configurations. Some useful phenomena are observed. Among them, the dependence of crack propagation on the loading combinations is significant, and negative current (or voltage) loading much more effectively suppresses crack propagation.
期刊介绍：
Since 1965, the international journal Acta Mechanica has been among the leading journals in the field of theoretical and applied mechanics. In addition to the classical fields such as elasticity, plasticity, vibrations, rigid body dynamics, hydrodynamics, and gasdynamics, it also gives special attention to recently developed areas such as non-Newtonian fluid dynamics, micro/nano mechanics, smart materials and structures, and issues at the interface of mechanics and materials. The journal further publishes papers in such related fields as rheology, thermodynamics, and electromagnetic interactions with fluids and solids. In addition, articles in applied mathematics dealing with significant mechanics problems are also welcome.
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