Results 71 to 80 of about 13,201,589 (138)

Structural health monitoring of precracked structures using an in‐plane inverse crack‐tip element

International Journal of Mechanical System Dynamics, Volume 4, Issue 4, Page 406-426, December 2024.
Abstract This study investigates the application of the inverse finite element method (iFEM) in fracture mechanics by developing a novel two‐dimensional six‐node triangular inverse crack‐tip element. With its simplified formulation, the proposed inverse element is computationally efficient and ensures strain singularity at the crack tip by ...
Ihtisham Khalid, Zahid Ahmed Qureshi, Hafiz Qasim Ali, Selda Oterkus, Erkan Oterkus   +4 more
wiley   +1 more source

Shape sensing of a doubly curved aft fuselage panel using inverse finite element method

, 2022
In this paper, we monitor the deformation of a multi-layered aft fuselage structure with stiffened double-curved geometry using a sensor-based technique known as the inverse finite element method (iFEM).
Yıldız, Mehmet, Abdollahzadeh, Mohammadamin, Kefal, Adnan   +2 more
core   +1 more source

The Application Research of Inverse Finite Element Method for Frame Deformation Estimation

International Journal of Aerospace Engineering, 2017
A frame deformation estimation algorithm is investigated for the purpose of real-time control and health monitoring of flexible lightweight aerospace structures.
Yong Zhao, Hong Bao, Xuechao Duan, Hongmei Fang   +3 more
doaj   +1 more source

Finite element analysis with deformed shape constraints generated by laser‐scanned point clouds

International Journal for Numerical Methods in Engineering, Volume 125, Issue 19, 15 October 2024.
Abstract This article proposes a computational method for finite element analysis with deformed shape constraints for analyzing constructed structures to account for deformations that occur before shape measurement by a terrestrial laser scanner (TLS).
Hibiya Haraki, Yasunori Yusa, Hiroshi Masuda   +2 more
wiley   +1 more source

A Self-Evolving Physics-Constrained Multi-Round Strain Augmentation Framework for Sparse-Data iFEM Shape Sensing of Ship Plate Structures

Journal of Marine Science and Engineering
Accurate reconstruction of thin-walled marine structures, such as ship hull plates and stiffened panels, via the conventional inverse Finite Element Method (iFEM) is severely limited by strain data scarcity in real-world deployments.
Junkang Xia, Wei Cai, Zejun An, Jingyan Zhu, Haixiao Hu, Dongfeng Cao, Kailing Guo, Shuxin Li   +7 more
doaj   +1 more source

A multiscale preconditioner for crack evolution in porous microstructures: Accelerating phase‐field methods

International Journal for Numerical Methods in Engineering, Volume 125, Issue 11, 15 June 2024.
Abstract Phase‐field methods are attractive for simulating the mechanical failure of geometrically complex porous microstructures described by 2D/3D x‐ray μ$$ \mu $$CT images in subsurface (e.g., CO 2$$ {}_2 $$ storage) and manufacturing (e.g., Li‐ion battery) applications.
Kangan Li, Yashar Mehmani
wiley   +1 more source

The Finite Element Method Fundamentals and Applications

, 1973
The Finite Element Method: Fundamentals and Applications demonstrates the generality of the finite element method by providing a unified treatment of fundamentals and a broad coverage of applications.
Norrie, Douglas H., de Vries, Gerard
core  

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
doaj   +1 more source

The coupled dual boundary element-scaled boundary finite element method for efficient fracture mechanics [PDF]

, 2012
A novel numerical method is presented for applications to general fracture mechanics problems in engineering. The coupled dual boundary element-scaled boundary finite element method (DBE-SBFEM) incorporates the numerical accuracy of the SBFEM and the ...
BIRD, GARETH,EDWARD
core  

Finite Element Assembly

, 2012
The finite element method may be viewed as a method for forming a discrete linear system 4064 AU = b or nonlinear system b(U) = 0 corresponding to the discretization of the variational form of a 4065 differential equation.A central part of the ...
Mardal, Kent-Andre, Wells, Garth N., Logg, Anders,, Logg, Anders, Anders Logg, Kent-Andre Mardal, Garth N. Wells   +6 more
core   +1 more source