{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,29]],"date-time":"2026-07-29T00:34:10Z","timestamp":1785285250255,"version":"3.55.0"},"reference-count":21,"publisher":"MDPI AG","issue":"14","license":[{"start":{"date-parts":[[2019,7,23]],"date-time":"2019-07-23T00:00:00Z","timestamp":1563840000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>Antenna sensors have been employed for crack monitoring of metallic materials. Existing studies have mainly focused on the mathematical relationship between the surface crack length of metallic material and the resonant frequency. The influence of the crack depth on the sensor output and the difference of whether the crack is depth-penetrated remains unexplored. Therefore, in this work, a numerical simulation method was used to investigate the current density distribution characteristics of the ground plane (metallic material) with different crack geometric parameters. The data reveals that, compared with the crack length, the crack depth has a greater influence on the resonant frequency. The relationship between the frequency and the crack geometric parameters was discussed by characterizing the current density and sensor output under different crack lengths and depths. Therefore, the feasibility of monitoring another common damage of metallic materials, i.e., corrosion pit, was explored. Furthermore, the influences of crack and corrosion pit geometric parameters on the output results were validated by experiments.<\/jats:p>","DOI":"10.3390\/s19143232","type":"journal-article","created":{"date-parts":[[2019,7,23]],"date-time":"2019-07-23T10:44:51Z","timestamp":1563878691000},"page":"3232","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["Influence of Volumetric Damage Parameters on Patch Antenna Sensor-Based Damage Detection of Metallic Structure"],"prefix":"10.3390","volume":"19","author":[{"given":"Zhiping","family":"Liu","sequence":"first","affiliation":[{"name":"School of Logistic Engineering, Wuhan University of Technology, 1178 Heping Ave, Wuhan 430063, China"},{"name":"Engineer Research Center of Logistic Technology and Equipment, Ministry of Education, Wuhan 430063, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hanjin","family":"Yu","sequence":"additional","affiliation":[{"name":"School of Logistic Engineering, Wuhan University of Technology, 1178 Heping Ave, Wuhan 430063, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kai","family":"Zhou","sequence":"additional","affiliation":[{"name":"School of Logistic Engineering, Wuhan University of Technology, 1178 Heping Ave, Wuhan 430063, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Runfa","family":"Li","sequence":"additional","affiliation":[{"name":"School of Logistic Engineering, Wuhan University of Technology, 1178 Heping Ave, Wuhan 430063, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qian","family":"Guo","sequence":"additional","affiliation":[{"name":"School of Logistic Engineering, Wuhan University of Technology, 1178 Heping Ave, Wuhan 430063, China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2019,7,23]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"123","DOI":"10.1016\/j.sna.2016.04.028","article-title":"Fiber Bragg Grating Based Sensing System: Early Corrosion Detection for Structural Health Monitoring","volume":"246","author":"Tan","year":"2016","journal-title":"Sens. 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