Results 1 to 10 of about 536,419 (307)

Full-Field Strain Reconstruction Using Uniaxial Strain Measurements: Application to Damage Detection [PDF]

Applied Sciences, 2021
This work investigates the inverse problem of reconstructing the continuous displacement field of a structure using a spatially distributed set of discrete uniaxial strain data. The proposed technique is based on the inverse Finite Element Method (iFEM),
Rinto Roy, Marco Gherlone, Cecilia Surace, Alexander Tessler   +3 more
doaj   +4 more sources

Study on Strain Field Reconstruction Method of Long-Span Hull Box Girder Based on iFEM

Journal of Marine Science and Engineering, 2023
The box girder’s condition significantly impacts the safety and overall performance of the entire ship because it is the primary stress component of the hull construction.
Guocai Chen, Xueliang Wang, Nan Zhao, Zhentao Jiang, Fei Li, Haozheng Chen, Pengyu Wei, Tao Zhang   +7 more
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Enhanced Strain Field Reconstruction in Ship Stiffened Panels Using Optical Fiber Sensors and the Strain Function-Inverse Finite Element Method

Applied Sciences, 2023
Accurately reconstructing the strain field within stiffened ship panels is crucial for effective structural health monitoring. This study presents a groundbreaking approach to strain field reconstruction in such panels, utilizing optical fiber sensors in
Qingfeng Zhu, Guoqing Wu, Jie Zeng, Zhentao Jiang, Yingping Yue, Chao Xiang, Jun Zhan, Bohan Zhao   +7 more
doaj   +3 more sources

Spacecraft Segment Damage Identification Method Based on Fiber Optic Strain Difference Field Reconstruction and Norm Calculation

Sensors, 2023
Real-time online identification of spacecraft segment damage is of great significance for realizing spacecraft structural health monitoring and life prediction.
Jihong Xu, Jie Zeng, Binbin Chen, Ruixin Lu, Yangyang Zhu, Lei Qi, Xiangfei Chen   +6 more
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Reconstruction of Multi-Load Strain Field of Ship Stiffened Plate Based on iFEM and Analysis of Influencing Factors of Reconstruction Accuracy

Journal of Marine Science and Engineering
This study utilizes the inverse finite element method (iFEM) to investigate the strain field reconstruction of ship stiffened plates under multiple loading conditions.
Guocai Chen, Xueliang Wang, Quanhua Zhu, Huawei Yang, Zhentao Jiang, Hao Xu, Mengdan Sun, Wei Chen, Haozheng Chen, Tao Zhang, Zheng Zhang   +10 more
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Improved deformation reconstruction of composite material structures based on optical fiber sensing [PDF]

Scientific Reports
Due to high strength and lightweight, composite material structures have been widely used in various industries such as aerospace, automotive, civil engineering, and healthcare.
Jun Huang, Yuwei Sun, Yu Peng, Dongsheng Zhang, Ruiya Li, Sheng Yin, Zhenfeng Peng, Quanyong Huang, Quan Liu   +8 more
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Histogram tomography

Mathematics in Engineering, 2020
In many tomographic imaging problems the data consist of integrals along lines or curves. Increasingly we encounter “rich tomography” problems where the quantity imaged is higher dimensional than a scalar per voxel, including vectors tensors and ...
William R. B. Lionheart
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DIC-Aided Mechanoluminescent Film Sensor for Quantitative Measurement of Full-Field Strain [PDF]

Sensors
To break through the bottleneck in the mapping of the mechanoluminescent (ML) intensity field to the strain field, a quantification method for full-field strain measurement based on pixel-level data fusion is proposed, integrating ML imaging with digital
Guoqing Gu, Liya Dai, Liyun Chen
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Analytical method to measure three-dimensional strain patterns in the left ventricle from single slice displacement data [PDF]

Journal of Cardiovascular Magnetic Resonance, 2010
Background Displacement encoded Cardiovascular MR (CMR) can provide high spatial resolution measurements of three-dimensional (3D) Lagrangian displacement.
Finn J Paul, Wen Han, Saber Nikoo R, Nasiraei Moghaddam Abbas, Ennis Daniel B, Gharib Morteza   +5 more
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Research on Displacement Tracking Device Inside Hybrid Materials Based on Electromagnetic Induction Principle [PDF]

Sensors
Magnetic induction imaging technology, as a non-invasive detection method based on the principle of electromagnetic induction, has a wide range of applications in the field of materials science and engineering with the advantages of no radiation and fast
Xiansheng Sun, Yixuan Wang, Yu Chen, Mingyue Cao, Changhong Zhou   +4 more
doaj   +2 more sources