A fuzzy finite element algorithm based on response surface method for free vibration analysis of structure
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This paper introduces an improved response surface-based fuzzy finite element analysis of structural dynamics. The free vibration of structure is established using superposition method, so that fuzzy displacement responses can be presented as functions of fuzzy mode shapes and fuzzy natural frequencies. Instead of direct determination of these fuzzy quantities by modal analysis which will involve the calculation of the whole finite element model, the paper proposes a felicitous approach to design the response surface as surrogate model for the problem.
Nội dung trích xuất từ tài liệu:
A fuzzy finite element algorithm based on response surface method for free vibration analysis of structure
Nội dung trích xuất từ tài liệu:
A fuzzy finite element algorithm based on response surface method for free vibration analysis of structure
Tìm kiếm theo từ khóa liên quan:
Vietnam Journal of Mechanics Fuzzy finite element algorithm Response surface method for free vibration analysis of structure Free vibration analysis of structure Fuzzy mode shapes Fuzzy natural frequenciesTài liệu liên quan:
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