On the study of element modal strain energy sensitivity for damage detection of functionally graded beams
Sign Up to like & getrecommendations! Published in 2019 at "Composite Structures"
DOI: 10.1016/j.compstruct.2019.110989
Abstract: Abstract In this paper, a modeling framework based on element modal strain energy sensitivity is developed for identifying damage of functionally graded beams. The element damage equation set of functionally graded Euler-Bernoulli beam is established… read more here.
Keywords: functionally graded; element modal; damage; modal strain ... See more keywords
Discussion of “Numerical methods for evaluating the sensitivity of element modal strain energy” [Finite elements in analysis and design 64 (2013) 13–23]
Sign Up to like & getrecommendations! Published in 2017 at "Finite Elements in Analysis and Design"
DOI: 10.1016/j.finel.2017.09.001
Abstract: Abstract The subject paper presents a variational approach for determining the sensitivity of element modal strain energy (MSE) [1] that differs from the direct algebraic method proposed by Yan and Ren [2]. The essential equivalence… read more here.
Keywords: sensitivity element; strain energy; sensitivity; modal strain ... See more keywords
Modal Strain Energy-Based Debonding Assessment of Sandwich Panels Using a Linear Approximation with Maximum Entropy
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DOI: 10.3390/e19110619
Abstract: Sandwich structures are very attractive due to their high strength at a minimum weight, and, therefore, there has been a rapid increase in their applications. Nevertheless, these structures may present imperfect bonding or debonding between… read more here.
Keywords: approximation maximum; maximum entropy; strain energy; linear approximation ... See more keywords
Identification of Relatively Weak Areas of Planar Structures Based on Modal Strain Energy Decomposition Method
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DOI: 10.3390/ma15186391
Abstract: Identifying relatively weak areas is of great significance for improving the seismic reliability of structures. In this paper, a modal strain energy decomposition method is proposed, which can realize the decoupling of the comprehensive modal… read more here.
Keywords: modal strain; relatively weak; strain energy; energy decomposition ... See more keywords