14,549 Result(s)
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Engineering
Solid Mechanics
Vibration, Dynamical Systems, Control
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Article
Nanoindentation Methods for Viscoelastic Characterization of Stiff Porous Materials
Modifying the mechanical properties of the solid phase of a porous material, in this study calcium-silicate-hydrate, is frequently possible by changing synthesis conditions, but changes in these conditions can...
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Size-dependent axisymmetric bending analysis of modified gradient elastic Kirchhoff–Love plates
The sixth-order basic differential equation of axisymmetric bending model for modified gradient elastic Kirchhoff–Love plates (MGEKLPs) subjected to both transverse and in-plane loads in cylindrical coordinate...
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Ultraviolet Single-Camera Stereo-Digital Image Correlation for Deformation Measurement up to 2600 °C
In the mechanical testing of high-temperature structural materials, ultra-high temperature deformation measurement is very necessary and very challenging.
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Magneto-elastic vibration of axially moving graphene nanocomposite current-carrying beam with variable speed and axial force
Lightweight, high-strength, conductive carbon nanocomposites are widely used in axial moving systems, and the primary parametric resonance and primary resonance due to variable axial velocity and tension are q...
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Open AccessSensitivity analysis of fibrous thick-walled tubes with mechano-sensitive remodeling fibers in homeostasis
In this article, we apply the sensitivity analysis method to capture the influence of various parameters on the inflation pressure, axial force, and the deformation for an inflated and axially stretched cylind...
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Y-Shaped Cutting of Soft Solids: History and Best Practices
Though proposed by Lake and Yeoh in 1978 for vulcanized rubber characterization and possessing unique advantages with respect to traditional fracture characterization approaches, the Y-shaped cutting technique...
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Exploring the Effect of Heat Treatment on the Mechanical Performance of 17-4PH Stainless Steel Specimens Fabricated by Metal Additive Manufacturing
Powder bed fusion (PBF) offers enhanced opportunities to manufacture complex components with a high degree of geometric freedom. However, understanding and designing for mechanical properties remains challengi...
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Semi-analytical study of reduction of wave impact on an elastic plate in the presence of a vertical porous structure
Based on the small-amplitude water wave theory, the usefulness of a vertical porous structure extending from top to bottom of finite width to reduce the wave-induced hydrodynamics responses of an elastic plate...
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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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Dislocation climbing in a three-layer structure
The introduction by climbing of an edge dislocation from the free-surface of a three-layer structure has been first investigated from an energy-based calculation. The activation energy and unstable equilibrium...
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Non-local stress approach in conjunction with reinforcement isotropic solid model (NLS-RIS): an efficient orthotropic mixed mode I/II fracture criterion
Providing any accurate fracture criteria for composite materials requires consideration of energy dissipation effects at the crack tip due to its quasi-brittle nature. In this paper, a non-local damage model i...
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Active control synthesis for parametric instability of container ship model
The active stabilization of heave/pitch motions and parametric roll resonance of nonlinear ship dynamics is crucial for various maritime applications to ensure the safe operation of vessels under high sea cond...
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A unified theoretical framework of piezoelectric energy harvesters: Euler–Bernoulli, Timoshenko and Reddy beam models with the high-order electric field assumption
A generalized framework for the electromechanical model of piezoelectric energy harvesters is presented with high-order electric field assumption. This assumption enables the accurate description the non-unifo...
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Titanium Alloy Weld Time-of-Flight Diffraction Image Denoising Based on a Wavelet Feature Fusion Deep-Learning Model
Images of titanium alloy welds detected by time-of-flight diffraction (TOFD) have problems, including large noise signals and many interference streaks around the defects, all of which seriously limit the accu...
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Research on Ultrasonic NDT of Wire to Terminal Joints: Comparison of Combinations of Various CNNs and Signal Processing Technologies
The wire to terminal joints are prepared using ultrasonic welding and find extensive application in various fields, such as new energy vehicles and aerospace. Traditionally, tensile strength tests have been em...
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Assessing the effect of porosity on elastoplastic buckling behavior of functionally graded plates using meshfree Tchebychev-RPIM
Three-dimensional elastoplastic buckling characteristics of porous functionally graded (FG) plates are studied by a novel meshfree method, which exploits the Tchebychev‐radial point interpolation shape functio...
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Open AccessThree-dimensional thermomechanical wave propagation analysis of sandwich nanoplate with graphene-reinforced foam core and magneto-electro-elastic face layers using nonlocal strain gradient elasticity theory
This article investigates the propagation of bending, longitudinal, and shear waves in a smart sandwich nanoplate with a graphene platelet (GPL)-reinforced foam core and magneto-electro-elastic (MEE) surface l...
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Open AccessResolution Enhancement by Variable Zoom Trajectory in X-Ray Computed Tomography
Flat objects like electronic boards are challenging samples for high-resolution X-ray computed tomography scanning because their largest dimension significantly limits the magnification using circular trajecto...
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Free vibration and stationary stochastic response analyses of heated composite laminated plate with varying thickness and curvilinear fiber using a meshfree method
In this paper, a meshfree Jacobi point interpolation (MJPI) approach for the free vibration and stationary stochastic response analyses of heated composite laminated plate with varying thickness and curvilinea...
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Efficient Localisation of Impact Load for Composite Structure Based on Response Similarity Search and Optimisation
Composite materials have been extensively used in various industry fields due to their distinguishing characteristics. However, low-velocity impact loads would undermine the mechanical properties of composite ...
