Volume 12, Issue 4 (8-2022)                   2022, 12(4): 557-575 | Back to browse issues page

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Sedaghati N, Shahrouzi M. A RESOLUTION-BASED APPROACH TO REFINE THE SEARCH SPACE FOR STRUCTURAL DAMAGE DETECTION. International Journal of Optimization in Civil Engineering 2022; 12 (4) :557-575
URL: http://ijoce.iust.ac.ir/article-1-534-en.html
Abstract:   (4778 Views)
Beyond common practice that treats structural damage detection as an optimization problem, the present work offers another approach that updates boundaries of the damage ratios. In this approach the bandwidth between such lower and upper boundaries, is adaptively reduced aiming to coincide at the true damage state. Formulation of the proposed method is developed using modal strain energy in a system of finite elements. A resolution-based technique is applied so that the search space cardinality can be defined and then reduced. The proposed method is validated on different structural types including beam, frame and truss examples with various damage scenarios. The results exhibit high cardinality reduction and capability of the proposed iterative method in squeezing the design space for more efficient search.
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Type of Study: Research | Subject: Applications
Received: 2022/08/26 | Accepted: 2022/08/19 | Published: 2022/08/19

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