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Theoretical and Applied Mechanics Letters
Scopus
ISSN 2095-0349 · Elsevier · 766 artikel di indeks
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Artikel Jurnal
Artificial intelligence application in multiscale biomechanics
The rapid development and widespread application of artificial intelligence (AI) technology have significantly improved understanding across various fields, including biomechanics. To deepen the understanding of AI applications in this field and explore future developments, this review focuses on…
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Predicting stress and damage in carbon fiber-reinforced composites deformation process using composite U-net surrogate model
Carbon fiber-reinforced composites (CFRC) are pivotal in advanced engineering applications due to their exceptional mechanical properties. A deep understanding of CFRC behavior under mechanical loading is essential for optimizing performance in demanding applications such as aerospace structures…
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Non-equilibrium evaporation of Lennard-Jones fluids: Enskog-Vlasov equation and Hertz-Knudsen model
Enskog-Vlasov equation is currently the most sophisticated kinetic model for describing non-equilibrium evaporative flows. While it enables more efficient simulations than the molecular dynamics (MD) methods, its accuracy in reproducing the flow properties of real fluids is limited by both the…
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Impact-induced jetting of perforated and liquid-filled sandwich protective structures: Design and characterization
Internal blast loads typically exhibit complex waveforms and large cumulative impulses. Conventional antiblast structures are constrained in lightweight design, whereas blast suppression structures often suffer from insufficient reliability. Neither approach fully satisfies the growing demands for…
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Dynamic approach for investigation of integrated tensegrity-shell system using multi-particle position method
This work introduces a dynamic model for a tensegrity-shell structure using the multi-particle position method. The approach begins by removing rigid body motions to determine the deformation field of the structure and derives stresses in the axial elements through the endpoints positions…
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Advanced B-spline interpolation with the use of quaternions for spatial rotations: formulas for derivatives and non-uniform parametric distribution
Mechanics abounds in machines involving one- or two-degree-of-freedom subsystems with various purposes, such as vehicle suspension. Such systems are usually addressed according to the multibody approach, with the kinematics possibly involving a large number of constraint equations repeatedly solved…
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Formal invariance of fractional-order operators under Fourier transform
This paper derives fractal/fractional-order operators in the spatial domain from mechanical structures. To ensure the computability of these operators, on the basis of the derivative and integral theorems of the Fourier transform, the form invariance of integer-order operators under the Fourier…
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Effects of angle of attack on near-free-surface bio-inspired propulsion: A numerical study using the smoothed-particle hydrodynamics method
To address the high sensitivity of propulsion efficiency and stability to attitude variations in near-free-surface bionic propulsion systems, a numerical investigation of the hydrodynamic characteristics of an undulating NACA0012 hydrofoil using the δ + -smoothed particle hydrodynamics method is…
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Multi-objective aerodynamic optimization of ride height and rake angle in a sedan using CFD and machine learning
This study investigates the aerodynamic performance of an Audi A4 sedan using computational fluid dynamics (CFD) and machine learning (ML) analysis. The CFD setup was first validated against published DrivAer Notchback wind-tunnel data, showing a C d deviation of 3.25%, and was subsequently applied…
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Geometry-guided adaptive optimization of Delaunay meshes via deep reinforcement learning
Finite element analysis (FEA) faces significant challenges in maintaining mesh quality for unstructured Delaunay meshes with complex geometric features, whereas conventional optimization methods often encounter low-quality local optima. This paper proposes a novel deep deterministic policy gradient…
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Stress-release-induced evolution of pore-fracturefracture morphology and connectivity in deep coal seams: A case study of the Daning-Jixian Block
Despite its potential for deep coal seam stimulation, the large scale application of stress release technology remains limited by the lack of quantitative evaluation methods and physically interpretable models for parameter optimization. In this study, a controlled stress release experimental…
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Two-dimensional bulge evolution under a vertical magnetic field
This study investigates the bulge behavior on the surface of a liquid metal pool within a fusion configuration. Emphasis is placed on the two-dimensional dynamic collapse and subsequent evolution of the bulge under the influence of a vertical magnetic field. The evolution process is characterized…
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Explosion Mechanics Roadmap
Explosion mechanics originated from China’s “Two Bombs and One Satellite” project and was named by Hsue-Shen Tsien in 1963. It primarily studies the occurrence patterns of explosions, as well as the utilization, control, and protection of their mechanical effects. As an interdisciplinary subject…
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Real-time actuator line simulations of wind farm flows enabled by the lattice Boltzmann method and GPUs
This study investigates the feasibility of achieving real-time performance in high-fidelity wind farm simulations using the actuator line model (ALM). While such large eddy simulations have traditionally been considered too computationally demanding, we address this challenge by utilizing the…
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From structural heterogeneity to mechanical weakening: Size effect in thick electrodes
The pursuit of higher energy density through thick lithium-ion battery electrodes is fundamentally challenged by their increased susceptibility to cracking during fabrication. This work reveals that this failure stems from a pronounced size effect. As the active layer thickens, drying-induced…
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CFDAgent with a general kinematics module: Driving biological flapping flight simulation
Automating moving-boundary computational fluid dynamics (CFD), particularly for simulations of biological flapping flight, requires complex coordination across geometry, meshing, kinematics, and postprocessing. We present an enhanced CFDAgent, a large language model (LLM)-orchestrated platform that…
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Thermomechanical treatment influence on the copper wire microstructure evolution
This paper presents a new technology for copper wire processing. This technology involves deforming the wire in a rotating equal-channel stepped matrix, after which the workpiece is subjected to a drawing operation. As a result of the deformation of the copper alloy wire via this technology and…
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Analysis of bilateral constrained sliding contact problems with variable friction coefficients via a cumulative frictional dissipation approach
This work investigates the bidirectional relationship between contact mechanics and frictional wear behavior in bilateral constrained sliding contact. An internal state variable representing the contact surface condition is incorporated into the Coulomb friction law to account for wear phenomena. A…
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Effect of prestress on the impact performance of a fully clamped metallic beam: Analytical modeling and numerical simulation
Metallic protective structures (e.g., beams and plates) are widely used against impact and blast loadings. Their precise dynamic responses are critical for design and service, especially when unintended preloading or prestress caused by accidental deformation is present. In this study, the effects…
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Artikel Jurnal
Magnetic potential tuning in a typical piezoelectric energy harvesting system: bistable versus tristable capability under initial-state sensitivity
This study presents a theoretical framework for analyzing a magnetically coupled multi-stable piezoelectric energy harvesting (PEH) system, comparing bistable and tristable configurations under initial perturbations. Through static bifurcation analysis, extended averaging, and numerical…