Computational model for supporting SHM systems design: Damage identification via numerical analyses
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- 作者：Murilo Sartoratoa ; Ricardo de Medeirosa ; b ; c ; Dirk Vandepitteb ; Volnei Titaa ; voltita@sc.usp.br" class="auth_mail" title="E-mail the corresponding author
- 关键词：Structural health monitoring ; Finite element analyses ; Piezoelectric sensors ; Damage identification
- 刊名：Mechanical Systems and Signal Processing
- 出版年：2017
- 出版时间：1 February 2017
- 年：2017
- 卷：84
- 期：part_PA
- 页码：445-461
- 全文大小：3551 K
文摘
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A new finite element model capable of simulating piezoelectric sensors is proposed.
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The new model was implemented via UEL (ABAQUS) to support the SHM systems design.
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Damaged beams with sensors were experimentally and numerically monitored.
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Maximum difference between numerical and experimental analyses was around 7.45%.
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Different levels of damage severity were investigated by using 7 damage metrics.