Application of Inverse Finite Element Method to Shape Sensing of Curved Beams [PDF]
Sensors, 2020 Curved beam, plate, and shell finite elements are commonly used in the finite element modeling of a wide range of civil and mechanical engineering structures.
Pierclaudio Savino +3 more
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Discontinuous Deformation Monitoring of Smart Aerospace Structures Based on Hybrid Reconstruction Strategy and Fiber Bragg Grating [PDF]
SensorsA hybrid enhanced inverse finite element method (E-iFEM) is proposed for real-time intelligent sensing of discontinuous aerospace structures. The method can improve the flight performance of intelligent aircrafts by feeding back the structural shape ...
Kangyu Chen, Hengzhen Fan, Hong Bao
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Towards Automatic Crack Size Estimation with iFEM for Structural Health Monitoring [PDF]
Sensors, 2023 The inverse finite element method (iFEM) is a model-based technique to compute the displacement (and then the strain) field of a structure from strain measurements and a geometrical discretization of the same. Different literature works exploit the error
Daniele Oboe +3 more
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Shape-Sensing of Beam Elements Undergoing Material Nonlinearities [PDF]
Sensors, 2021 The use of in situ strain measurements to reconstruct the deformed shape of structures is a key technology for real-time monitoring. A particularly promising, versatile and computationally efficient method is the inverse finite element method (iFEM ...
Pierclaudio Savino +3 more
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Deflection Estimation of Truss Structures Using Inverse Finite Element Method [PDF]
Sensors, 2023 It is well recognized that strain and deflection data are important indexes to judge the safety of truss structures. Specifically, the shape sensing technology can estimate the deformation of a structure by exploiting the discrete strain data without ...
Zhaobo Zhang +3 more
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Isogeometric iFEM Analysis of Thin Shell Structures [PDF]
Sensors, 2020 Shape sensing is one of most crucial components of typical structural health monitoring systems and has become a promising technology for future large-scale engineering structures to achieve significant improvement in their safety, reliability, and ...
Adnan Kefal, Erkan Oterkus
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Thin-Walled StructuresThin plate and shell structures are widely used in aerospace due to their lightweight nature and efficient load-bearing capabilities, making them attractive for aircraft and spacecraft designs. This study proposes an efficient quadrilateral inverse shell element for thin structures, developed using discrete Kirchhoff assumptions, for Structural Health ...
Ihtisham Khalid +3 more
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An Online Measurement and Calibration Method for a Radio Telescope Sub-Reflector Support Structure Using Fiber Bragg Grating [PDF]
Micromachines, 2023 The position and altitude of a sub-reflector have an important influence on the pointing accuracy of a radio telescope. With the increase of the antenna aperture, the stiffness of the support structure for the sub-reflector decreases.
Qian Xu, Hong Bao
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Experimental Shape Sensing and Load Identification on a Stiffened Panel: A Comparative Study [PDF]
Sensors, 2022 The monitoring of loads and displacements during service life is proving to be crucial for developing a modern Structural Health Monitoring framework.
Marco Esposito +2 more
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Shape Sensing in Plate Structures through Inverse Finite Element Method Enhanced by Multi-Objective Genetic Optimization of Sensor Placement and Strain Pre-Extrapolation [PDF]
SensorsThe real-time reconstruction of the displacement field of a structure from a network of in situ strain sensors is commonly referred to as “shape sensing”. The inverse finite element method (iFEM) stands out as a highly effective and promising approach to
Emiliano Del Priore, Luca Lampani
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