Damage Identification Method of Beam Structure Based on Modal Curvature Utility Information Entropy
المؤلفون المشاركون
Xiang, Chang-Sheng
Li, Ling-Yun
Zhou, Yu
Yuan, Zi
المصدر
العدد
المجلد 2020، العدد 2020 (31 ديسمبر/كانون الأول 2020)، ص ص. 1-20، 20ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2020-09-19
دولة النشر
مصر
عدد الصفحات
20
التخصصات الرئيسية
الملخص EN
Generally, the damage of the structure will lead to the discontinuity of the local mode shape, which can be well reflected by the modal curvature of the structure, and the local information entropy of the beam structure will also change with the discontinuity of the mode.
In this paper, based on the information entropy theory and combining the advantages of modal curvature index in damage identification of beam structure, the modal curvature utility information entropy index is proposed.
The modal curvature curves of nondestructive structures were obtained by fitting the modal curvature curves of damage structures with the gapped smoothing technique to avoid dependence on the baseline data of nondestructive structures.
The index comprehensively reflects the damage state of the structure by calculating mutual weight change matrix and the weight-probability coefficient.
The performance of the new index was verified by the finite element simulation and model test of simply supported beam, respectively.
The results show that the modal curvature utility information entropy index takes advantage of the modal curvature index which is sensitive to damage and can overcome its shortcomings effectively.
The index proposed can identify the damage location and damage degree accurately and has certain noise immunity, which provides an effective damage identification indicator for beam structures.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Xiang, Chang-Sheng& Li, Ling-Yun& Zhou, Yu& Yuan, Zi. 2020. Damage Identification Method of Beam Structure Based on Modal Curvature Utility Information Entropy. Advances in Civil Engineering،Vol. 2020, no. 2020, pp.1-20.
https://search.emarefa.net/detail/BIM-1125525
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Xiang, Chang-Sheng…[et al.]. Damage Identification Method of Beam Structure Based on Modal Curvature Utility Information Entropy. Advances in Civil Engineering No. 2020 (2020), pp.1-20.
https://search.emarefa.net/detail/BIM-1125525
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Xiang, Chang-Sheng& Li, Ling-Yun& Zhou, Yu& Yuan, Zi. Damage Identification Method of Beam Structure Based on Modal Curvature Utility Information Entropy. Advances in Civil Engineering. 2020. Vol. 2020, no. 2020, pp.1-20.
https://search.emarefa.net/detail/BIM-1125525
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1125525
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
أضخم قاعدة بيانات عربية للاستشهادات المرجعية للمجلات العلمية المحكمة الصادرة في العالم العربي
تقوم هذه الخدمة بالتحقق من التشابه أو الانتحال في الأبحاث والمقالات العلمية والأطروحات الجامعية والكتب والأبحاث باللغة العربية، وتحديد درجة التشابه أو أصالة الأعمال البحثية وحماية ملكيتها الفكرية. تعرف اكثر