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121
Data analysis for performance index of plate heat exchanger filled by ionanofluid-oil: parallel versus counterflow
Published 2025-02-01“…The governing equations of Navier–Stokes and energy balance are solved numerically using the finite element method. The impact of different Reynolds numbers (Re) and solid concentrations (ϕ) of nanoparticles on the fluid velocity and temperature fields is observed, and various related parameters are calculated. …”
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122
Design of novel graded bone scaffolds based on triply periodic minimal surfaces with multi-functional pores
Published 2025-02-01“…The performance of these scaffolds was evaluated using finite element (FE) analysis and computational fluid dynamics (CFD) method.ResultsThe results from FE analysis indicated that the novel scaffold exhibited a lower elastic modulus, potentially mitigating the issue of stress shielding. …”
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123
Magnetohydrodynamic nanofluids flow and heat transfer with radiative heat flux and exothermic chemical reactions
Published 2025-03-01“…To understand the mechanisms and challenges associated with chemical reactions in nanofluids, this study investigates the flow dynamics and heat transfer in a nanofluid-filled annulus formed between a square and a circle, considering the effects of radiative heat flux, magnetohydrodynamics (MHD), and exothermic chemical reactions governed by Arrhenius kinetics. The finite element method is employed to solve the governing equations, and the accuracy of the numerical scheme is confirmed against published works. …”
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124
Design and Evaluation of an Electromagnetic Bounce-Type Refreshable Braille Display
Published 2025-01-01“…In this paper, the force analysis and finite element simulation of the actuator actuation condition of the Braille dot actuator are carried out, and the refresh rate is measured experimentally to be about 16 Hz. …”
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125
High performance synthetic fiber-reinforced concrete mixed with nanoparticles: A proof-of-concept green railway sleeper product
Published 2025-03-01“…In Phase 2, a proof-of-concept green railway sleeper was developed using 100% recycled aggregate concrete (RAC), reinforced with glass fiber-reinforced polymer (GFRP) and the hybrid fibers from Phase 1, demonstrating enhanced mechanical properties and durability. Additionally, finite element crack analysis using Abaqus® software provided an in-depth understanding of sleeper performance, revealing improved crack resistance under operational fatigue loading and reduced maintenance costs. …”
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126
Randomized radial basis function neural network for solving multiscale elliptic equations
Published 2025-01-01“…For each subproblem, similar to the Petrov–Galerkin finite element method, a linear system will be formulated on the foundation of a weak formulation. …”
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127
Bioinspired activation strategies for Peano-HASEL artificial muscle.
Published 2025-01-01“…<h4>Method</h4>This study developed a finite element model of an artificial muscle consisting of four Peano-HASEL actuators arranged in three parallel groups in a diamond pattern (two actuators in series in the middle-middle actuators, with one actuator in parallel either side-side actuators). …”
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128
Effect of cooling rate on metallurgical and mechanical properties in continuous wave laser welding of hot-dip galvanised steel-to-aluminium sheets in a zero part-to-part gap lap jo...
Published 2025-06-01“…IMCs are recognised as the most decisive factor in welding steel to aluminium, while Zn vapours significantly impact welding in a zero part-to-part gap overlap configuration. A 3D finite element method thermal model was employed to correlate the thermal cycles to the metallurgical and mechanical properties. …”
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129
Enhancing the flexibility and safety of electric-resistance heating on thick-walled pressure parts of utility boilers in coal-fired power plants
Published 2025-03-01“…While focusing on a steam-water separator in a supercritical utility boiler, the finite element method (FEM) is employed in this study to analyze the thermal and mechanical stress amplitude and fatigue lifetime consumption parameters during cold start-up. …”
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130
On-chip integrated plasmon-induced high-performance self-powered Pt/GaN ultraviolet photodetector
Published 2025-03-01“…When illuminated upon ultraviolet light at 0 V bias, the Pt/GaN device exhibits significant photovoltaic performances, including a peak responsivity of 200.1 mA W−1, external quantum efficiency of 65%, and other figures-of-merit. Finite element analysis and energy band theory confirm that the excellent photodetection properties of the Pt/GaN device are related to the strong plasmon absorption and the increase of hot electrons injected into the GaN conduction band, which considerably improves its photoresponse performance and robustness in application. …”
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131
Bridge-inspired lattice materials with superior strength, toughness, and fatigue resistance
Published 2025-03-01“…Moreover, it exhibits superior toughness (1271 MJ/m3) and fatigue resistance, enduring over two million cycles of cyclic compression fatigue testing. Finite element analysis and fracture characterization reveal that the excellent mechanical properties of the proposed LMs can be attributed to the BA structure's unique stress-dispersion and dual-level energy-dissipation mechanisms. …”
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132
DEVELOPMENT AND EVALUATION OF AN ANTERIORLY MOUNTED MICROPROCESSOR-CONTROLLED POWERED HIP JOINT PROSTHESIS
Published 2025-02-01“…Stress calculations and Finite Element Analysis (FEA) were performed to ensure that the device can withstand the forces from daily activities. …”
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133
Numerical approximations of thin structure deformations
Published 2023-08-01“…Equilibrium deformations are approximated using local discontinuous Galerkin finite elements. The discrete energies relies on a discrete Hessian operator defined on discontinuous functions with better approximation properties than the piecewise Hessian. …”
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134
On the analysis of modes in a closed electromagnetic waveguide
Published 2024-05-01“…They can also be used to construct generalized Dirichlet-to-Neumann maps that provide artificial boundary conditions for truncating a computational domain when discretizing the field by finite elements. The modes of a waveguide arise as eigenfunctions of a non-symmetric eigenvalue problem, and the eigenvalues determine the propagation (or decay) of the modes along the waveguide. …”
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135
Stability of a weighted L2 projection in a weighted Sobolev norm
Published 2023-05-01“…We prove the stability of a weighted $L^2$ projection operator onto piecewise linear finite elements spaces in a weighted Sobolev norm. Namely, we consider the orthogonal projections $\pi _{N,\omega }$ from $L^2(\mathbb{D},1/\omega (x)\mathrm{d}x)$ to $\mathcal{X}_N$, where $\mathbb{D} \subset \mathbb{R}^2$ is the unit disk, $\omega (x) = \sqrt{1 - \vert x\vert ^2}$ and the spaces $(\mathcal{X}_N)_{N \in \mathbb{N}}$ consist of piecewise linear functions on a family of shape-regular and quasi-uniform triangulations of $\mathbb{D}$. …”
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