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Mechanics and physics under supergravity conditions
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Feature-driven topology optimization method preserving component sequences considering turning angle constraint
Component sequence preservation is an intrinsic requirement in typical engineering applications, such as deployable chain-like structures, 3D printing structures with contour-parallel toolpaths, additive manuf...
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Biomechanical analysis of an osteocyte model by considering bone matrix’s piezoelectricity
Osteocytes, the primary cells in bone, play a crucial role in sensing external load environments and regulating other bone cells. Due to the piezoelectric effect of the mineralized matrix and collagen that mak...
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Energy harvesting and speed sensing with a hybrid rotary generator for self-powered wireless monitoring
Real-time onboard health monitoring systems are critical for the railway industry to maintain high service quality and operational safety. However, the issue with power supplies for monitoring sensors persists...
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An improved elastoplastic model for rocks and application to cyclic loading and unloading triaxial compression tests
The recoverable strain of rock is completely classified as elastic strain in the conventional elastic-plastic theory, which often results in poor agreement between theoretical and experimental curves. This wor...
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Morphological design and tunable mechanical properties of 3D spinodal membrane structures: adaptive coarse-grained modelling
The spinodal decomposition method emerges as a promising methodology, showcasing its potential in exploring the design space for metamaterial structures. However, spinodal structures design is still largely li...
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Supergravity effects on flame propagation and structure in hydrogen/air mixtures
In the current work, we investigated hydrogen/air flame propagation under supergravity conditions. Results show that when gravity is in the same/opposite direction as flame propagation, it leads to acceleratio...
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How does supergravity affect combustion?
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Improvements of cohesive zone model on artificial compliance and discontinuous force
The cohesive zone model (CZM) has been used widely and successfully in fracture propagation, but some basic problems are still to be solved. In this paper, artificial compliance and discontinuous force in CZM ...
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Alignment of inertialess spheroidal particles in flow-structure-dominated regions of turbulent channel flow: shape effect
The alignment of elongated fibers and thin disks is known to be significantly influenced by the presence of fluid coherent structures in near-wall turbulence (Cui et al. 2021). However, this earlier study is c...
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Patient-specific bicuspid aortic valve hemodynamics study based on computer simulation and in vitro experiment
Bicuspid aortic valve (BAV) is a common congenital malformation of the aortic valve with various structural characteristics. Different types of BAV can cause secondary aortic diseases, including calcific aorti...
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A quasi-zero stiffness energy harvesting isolator with triple negative stiffness
Vibration isolation for low frequency excitation and the power supply for low power monitoring sensors are important issues in bridge engineering. The main problem is how to effectively combine the vibration i...
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Snapthrough response of an innovative symmetric bistable composite wing
This study presents a numerical investigation into the equilibrium shapes and snapthrough response of an innovative bistable symmetric composite wing. The proposed design is a compound plate that consists of a...
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Reflection behavior of insensitive explosive detonation propagating around a cylinder
Insensitive explosive detonation has wide applications in compressing and driving inert materials, and thereby the interaction between detonation and inert materials has received more attention. In this paper,...
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Global dynamics and noise-induced transitions for a two-dimensional panel system in subsonic flow
A two-dimensional panel in subsonic flow with stochastic excitation is studied by assuming that the aerodynamic pressure contains random pressure fluctuations. Based on the global properties, the sensitivities...
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New type of overrunning clutch based on curved-plate compression-torsion metamaterial
Overrunning clutches are unidirectional drive mechanisms that are widely used in transmission systems. However, existing overrunning clutches have complex structures, require high preparation accuracy, and fai...
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A robust implicit high-order discontinuous Galerkin method for solving compressible Navier-Stokes equations on arbitrary grids
The primary impediments impeding the implementation of high-order methods in simulating viscous flow over complex configurations are robustness and convergence. These challenges impose significant constraints ...
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Temperature and heat flux bounds of convection driven by non-uniform internal heating
Convection driven by a spatially non-uniform internal heat source between two horizontal isothermal walls is studied by theoretical analysis and numerical simulation, in order to explore the bounds of the temp...
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A novel videogrammetry-based full-field dynamic deformation monitoring method for variable-sweep wings
The measurement of wing dynamic deformation in morphing aircraft is crucial for achieving closed-loop control and evaluating structural safety. For variable-sweep wings with active large deformation, this pape...
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Strain-induced fast domain wall motion in hybrid piezoelectric-magnetostrictive structures with Rashba and nonlinear dissipative effects
The prime objective of this work is to analyze the motion of magnetic domain walls (DWs) in a thin layer of magnetostrictive material that is perfectly attached to the upper surface of a thick piezoelectric ac...
