Results 131 to 140 of about 1,073 (165)

Developing sustainable emergency care systems in sub-saharan africa: milestones and lessons from 15 years of clinical and educational initiatives in Tanzania. [PDF]

open access: yesAfr J Emerg Med
Sawe HR   +14 more
europepmc   +1 more source

Monitoring of Corrosion Damage by Using iFEM Methodology [PDF]

open access: yesInternational Journal of Mechanical System Dynamics
ABSTRACTMarine environment is a harsh environment that can cause major issues for marine structures while operating in this environment, including fatigue cracking and corrosion damage, which can yield catastrophic consequences, such as human life losses, financial losses, environmental pollution, and so forth.
Erkan Oterkus, Selda Oterkus
exaly   +7 more sources

Shape sensing of NREL 5 MW offshore wind turbine blade using iFEM methodology [PDF]

open access: yesOcean Engineering, 2023
In this study, the shape sensing of a blade of the NREL 5MW offshore wind turbine is presented by using the inverse Finite Element Method (iFEM) under real loading conditions. Among the applied forces, the aerodynamic forces are calculated based on the Blade Element Momentum Theory (BEMT).
Erkan Oterkus, Selda Oterkus
exaly   +7 more sources

Shape Sensing of Beam-Like Structures Using the Robust iFEM-iQS4 Inverse Shell Element

open access: yesIEEE Transactions on Instrumentation and Measurement, 2023
The reconstruction of 2-D/3-D deformation and stress fields using a limited number of strain sensors is called "shape sensing" and it plays an important role in structural health monitoring (SHM) methods. The inverse finite element method (iFEM) is one of the best shape sensing algorithms developed based on strain data from a set of on-board/embedded ...
Mohammad Amin Abdollahzadeh   +2 more
exaly   +6 more sources

A smoothed iFEM approach for efficient shape-sensing applications: Numerical and experimental validation on composite structures [PDF]

open access: yesMechanical Systems and Signal Processing, 2021
Abstract A smoothed inverse finite element method (iFEM(s)) is developed by coupling the inverse finite element method (iFEM) and the smoothing element analysis (SEA) for real-time reconstruction of displacement field utilizing a network of discrete strain-sensor measurements. This reconstruction is commonly referred to as “shape sensing”.
Adnan Kefal   +2 more
exaly   +5 more sources

Nonlinear deformation monitoring of elastic beams based on isogeometric iFEM approach

open access: yesInternational Journal of Non-Linear Mechanics, 2022
Shape sensing plays a key role in Structural Health Monitoring (SHM) and has become an excellent methodology for large-scale engineering structures to achieve significant improvement in their safety, reliability, and affordability. The inverse finite element method (iFEM) is an accurate and efficient method for shape sensing to reconstruct the three ...
Adnan Kefal, Feifei Zhao, Hong Bao
exaly   +4 more sources

Structural health monitoring of an offshore wind turbine tower using iFEM methodology [PDF]

open access: yesOcean Engineering, 2020
With the increasing popularity of wind energy, offshore wind turbines (OWTs) are currently experiencing rapid development. The tower is one of the most significant components of the OWT. However, the tower will not only stand its own weight and weight of the top structure, but also be surrounded by harsh wave and wind loading conditions.
Adnan Kefal   +2 more
exaly   +7 more sources

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