Volume 12, Issue 4 (8-2022)
IJOCE 2022, 12(4): 557-575 |
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Sedaghati N, Shahrouzi M. A RESOLUTION-BASED APPROACH TO REFINE THE SEARCH SPACE FOR STRUCTURAL DAMAGE DETECTION. IJOCE 2022; 12 (4) :557-575
URL: http://ijoce.iust.ac.ir/article-1-534-en.html
URL: http://ijoce.iust.ac.ir/article-1-534-en.html
Abstract: (6716 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.
Keywords: structural health monitoring, damage-boundary detection, search space reduction, modal strain energy, skeletal structures
Type of Study: Research |
Subject:
Applications
Received: 2022/08/26 | Accepted: 2022/08/19 | Published: 2022/08/19
Received: 2022/08/26 | Accepted: 2022/08/19 | Published: 2022/08/19
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