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Article
Effects of surface imperfections on the boundary layer stability in a high speed flow
The effect of surface imperfections on the second mode instability in a Mach 4.5 flow is investigated using direct numerical simulation (DNS) and stability analysis by linear stability theory (LST). Two types ...
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Article
A Cosserat bond-based correspondence model and the investigation of microstructure effect on crack propagation
Microstructure plays a significant role in the fracture behavior of the material. To analyze the microstructure effect on crack propagation, a peridynamic model named Cosserat bond-based correspondence model (...
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Article
Investigation of discharging flow behavior of powder in the conical feeding silo: effect of BINSERT-type aided flowing device
In the fluidization process of nylon powder, maintaining a uniform flow of powder in the feed silo is crucial to reduce powder agglomeration and facilitate the fluidization process. In this study, BINSERT was ...
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Article
Isogeometric homogenization of unidirectional nanocomposites with energetic surfaces
The present work aims to propose an interface-enriched isogeometric analysis strategy for predicting the size-dependent effective moduli and local stress field of periodic arrays of nanosize inhomogeneity. The...
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Article
Static profiles of capillary surfaces in the annular space between two coaxial cones under microgravity
In space, surface tension plays an important role and liquid behaviour is much different from that on the ground. The static capillary surfaces in the annular space between two coaxial cones under microgravity...
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Article
Chemical short-range-order induced multiscale strengthening in refractory medium entropy alloys
High/medium entropy alloys (H/MEAs) are generally possible to exhibit chemical short-range order (SRO). However, the complex role of SRO on mechanical properties from nano-scale to meso-scale is still challeng...
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Article
Flexural vibration control of functionally graded poroelastic pipes via periodic piezoelectric design
In this paper, the flexural wave propagation and its control of a novel piezoelectric composite pipe conveying fluid are investigated. Dual piezoelectric layers used as sensor and actuator are periodically arr...
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Article
Comprehensive study on fail-safe topological design method for 3D structures
Fail-safe topology optimization is valuable for ensuring that optimized structures remain operable even under damaged conditions. By selectively removing material stiffness in patches with a fixed shape, the c...
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Article
Wall temperature effects on the stability of leeward vortices of a blunt inclined cone
Streamwise vortex instability is one of the most potent mechanisms for the transition of the three-dimensional boundary layers. By using the global stability analysis methods, stability characteristics of the ...
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Article
A novel stochastic calculation scheme for dynamic response analysis of FG-GPLRC plate subject to a moving load
This paper is the first attempt, to the best of the authors' knowledge, to explore the effect of the stochastic material parameters on the dynamic response of functionally graded graphene platelets reinforced ...
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Article
Research on pitch error phase matching of herringbone star gear system considering multi-tooth with different backlash
Pitch error is inevitable in gear machining, and it will aggravate the vibration and noise of the herringbone star gear train (HSGT). Although the machining accuracy is limited, the dynamic performance of the ...
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Article
Open AccessProgress in physical modeling of compressible wall-bounded turbulent flows
Understanding, modeling and control of the high-speed wall-bounded transition and turbulence not only receive wide academic interests but also are vitally important for high-speed vehicle design and energy sav...
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Article
Wave amplitudes and contour profiles of surface Rayleigh waves in a layered half-space with transversely isotropic materials
We present field solutions for the surface Rayleigh wave fields in a layered half-space with transversely isotropic symmetry generated by a time-harmonic point load. The objective of this work is to provide a ...
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Article
A Lagrangian particle model on GPU for contaminant transport in groundwater
To simulate contaminant transport in groundwater, this paper proposes a parallelized Lagrangian particle model using compute unified device architecture (CUDA) on graphics processing unit (GPU) based on smooth...
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Article
Dynamic phononic crystals with spatially and temporally modulated circuit networks
Elastic wave mitigation covering multiple broad bands is highly demanded for modern applications in wave control. Here, we report both theoretically and experimentally on the complete investigation of a series...
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Article
Combination of mean-field micromechanics and cycle jump technique for cyclic response of PA66/GF composites with viscoelastic–viscoplastic and damage mechanisms
An accelerated micromechanics framework based on the extended Mori–Tanaka transformation field analysis (TFA) and cycle jump technique is proposed to predict the homogenized response of short glass fiber-reinf...
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Article
Assessment of a new hybrid-SSOR implicit temporal scheme for turbulent flows across a wide range of Mach numbers
The convergent efficiency and numerical stability of temporal discretization schemes for Navier-Stokes (N-S) equations are significant for engineering turbulent flow simulations. Through analysis of the origin...
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Article
Effects of nose bluntness on entropy-layer stabilities over cones and wedges
The effects of nose bluntness on the entropy-layer stabilities in hypersonic flows over blunt cones and wedges are investigated by using linear stability theory and numerical simulation. The entropy-layer inst...
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Article
The general basis-free spin and its concise proof
In this paper, the general basis-free spin expressions are presented. Combining with the representation theorem of a multivariable tensor function, a concise proof is given. First, the basic concept of spin is...
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Article
Dynamically compressive behaviors and plastic mechanisms of a CrCoNi medium entropy alloy at various temperatures
As an attractive class of metallic materials, single-phase CrCoNi medium-entropy alloy (MEA) has drawn much attention recently regarding their deformation behaviors, but the dynamically mechanical responses of...