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Damage Identification of Trusses with Elastic Supports Using FEM and Genetic Algorithm
المؤلفون المشاركون
المصدر
Advances in Mechanical Engineering
العدد
المجلد 2013، العدد 2013 (31 ديسمبر/كانون الأول 2013)، ص ص. 1-10، 10ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2013-09-24
دولة النشر
مصر
عدد الصفحات
10
التخصصات الرئيسية
الملخص EN
The computationally efficient damage identification technique for truss structures with elastic supports is proposed based on the force method.
To transform the truss with supports into the equivalent free-standing model without supports, the novel zero-length dummy members are employed.
General equilibrium equations and kinematic relations, in which the reaction forces and the displacements at the elastic supports are taken into account, are clearly formulated.
The compatibility equations, in terms of forces in which the flexibilities of elastic supports are considered, are explicitly presented using the singular value decomposition (SVD) technique.
Both member and reaction forces are simultaneously and directly obtained.
Then, all nodal displacements including constrained nodes are back calculated from the member and reaction forces.
Next, the microgenetic algorithm (MGA) is used to properly identify the site and the extent of multiple damages in truss structures.
In order to verify the superiority of the current study, the numerical solutions are presented for the planar and space truss models with and without elastic supports.
The numerical results indicate that the computational effort required by this study is found to be significantly lower than that of the displacement method.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Kim, Nam-Il& Lee, Jaehong. 2013. Damage Identification of Trusses with Elastic Supports Using FEM and Genetic Algorithm. Advances in Mechanical Engineering،Vol. 2013, no. 2013, pp.1-10.
https://search.emarefa.net/detail/BIM-482812
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Kim, Nam-Il& Lee, Jaehong. Damage Identification of Trusses with Elastic Supports Using FEM and Genetic Algorithm. Advances in Mechanical Engineering No. 2013 (2013), pp.1-10.
https://search.emarefa.net/detail/BIM-482812
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Kim, Nam-Il& Lee, Jaehong. Damage Identification of Trusses with Elastic Supports Using FEM and Genetic Algorithm. Advances in Mechanical Engineering. 2013. Vol. 2013, no. 2013, pp.1-10.
https://search.emarefa.net/detail/BIM-482812
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-482812
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
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