Results 21 to 30 of about 740,837 (265)
Applied Sciences, 2021 This study proposes a new damage identification method for hangers of arch bridges using the static deflection difference at the anchorage point of the hanger and the tie-beam.
Weiwei Wang, Mubiao Su
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Damage Identification Method Using Additional Virtual Mass Based on Damage Sparsity
Applied Sciences, 2021 Damage identification methods based on structural modal parameters are influenced by the structure form, number of measuring sensors and noise, resulting in insufficient modal data and low damage identification accuracy.
Qingxia Zhang +4 more
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Vibration-based damage identification in composite beams [PDF]
, 2023 Composite structures are widely used in bridge and building construction; a typical example is a bridge deck consisting of concrete slabs and steel beams, where shear connectors are used to connect the concrete slabs and steel beams to form a ...
Gu, Yu
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Applied Sciences, 2022 For cable-stayed bridges, cables are very important components to maintain the safety of the whole bridge structure. It is well-known that change in cable force reflects the health of the cable-stayed bridge.
Rui Fang +6 more
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Buildings, 2022 It is often computationally expensive to monitor structural health using computer models. This time-consuming process can be relieved using surrogate models, which provide cheap-to-evaluate metamodels to replace the original expensive models.
Armin Dadras Eslamlou, Shiping Huang
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Infrastructures, 2023 Subjected to complex loadings from the wheel–rail interaction, turnout rail is prone to crack damage. This paper aims to develop a condition evaluation method for crack-alike damage detection of in-service turnout rail.
Jun-Fang Wang, Jian-Fu Lin, Yan-Long Xie
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Nonlinear Engineering, 2023 In this article, the sensitivity coefficients of dynamic characteristic damage identification of blades with different sizes were investigated. The results show that the first third-order vibration modes of the blade before and after damage are ...
Chen Peng, Chen Bei
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A Novel Fault Diagnosis Method Based on SWT and VGG-LSTM Model for Hydraulic Axial Piston Pump
Journal of Marine Science and Engineering, 2023 Since the hydraulic axial piston pump is the engine that drives hydraulic transmission systems, it is widely utilized in aerospace, marine equipment, civil engineering, and mechanical engineering.
Yong Zhu +5 more
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Journal of Marine Science and Engineering, 2023 As a new type of riser connecting offshore platforms and submarine pipelines, steel catenary risers (SCRs) are generally subject to waves and currents for a long time, thus it is significant to fully evaluate the SCR structure’s safety.
Zhongyan Liu +4 more
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Correlating low energy impact damage with changes in modal parameters: diagnosis tools and FE validation [PDF]
, 2010 This paper presents a basic experimental technique and simplified FE based models for the detection, localization and quantification of impact damage in composite beams around the BVID level.
Niemann, Hanno +7 more
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