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International Journal of Engineering، جلد ۳۲، شماره ۱، صفحات ۵۴-۶۱
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| عنوان فارسی |
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| چکیده فارسی مقاله |
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| کلیدواژه‌های فارسی مقاله |
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| عنوان انگلیسی |
Diagnosis of Delaminated Composites Using Post-processed Strain Measurements under Impact Loading |
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| چکیده انگلیسی مقاله |
Potentially having a destructive influence on the mechanical properties of composite laminates, the invisible phenomenon of delamination frequently occurs under impact loading. In the present study, simulating the performance of long-gauge fiber Bragg grating sensors, impact-induced average strains within laminated composites are utilized to develop a delamination identification technique. First, strain-based modal parameters are extracted from the estimator of frequency response functions using two different approaches. Next, these parameters are employed in various damage detection indicators. Then, the presence, location, and severity of delamination introduced at locations with the least effect on modal changes are detected. The results of different numerical examples with various delamination sizes and positions elucidate the considerable efficiency of average-strain measurements to diagnose delaminated composites. |
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| کلیدواژه‌های انگلیسی مقاله |
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| نویسندگان مقاله |
K. Askaripour |
Department of Civil Engineering, Shahid Bahonar University of Kerman, Kerman, Iran
M. J. Fadaee |
Department of Civil Engineering, Shahid Bahonar University of Kerman, Kerman, Iran
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| نشانی اینترنتی |
http://www.ije.ir/article_82331_238d7c61dd40f9621922ef74284b8a79.pdf |
| فایل مقاله |
اشکال در دسترسی به فایل - ./files/site1/rds_journals/409/article-409-2061668.pdf |
| کد مقاله (doi) |
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| زبان مقاله منتشر شده |
en |
| موضوعات مقاله منتشر شده |
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| نوع مقاله منتشر شده |
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