47 Result(s)
within
English
Engineering
Automotive Engineering
Civil Engineering
Classical Mechanics
Mechanical Engineering
Yi**g Yong
Article
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Article
Evolution and control technology of energy aggregation and dissipation of a high hard roof during breakage and destabilization
The focus of this study was prevented disasters caused by the breaking of high hard roofs (HHRs) in mines. A model of the mining load-bearing capacity of a HHR cantilever beam structure (HHRCBS) was developed ...
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Mechanical efficiency of cartridge two-dimensional (2D) piston pump for electro-hydrostatic actuators
The cartridge two-dimensional (2D) piston pump studied is the core component of an aircraft electro-hydrostatic actuator (EHA). Its mechanical efficiency is a very important performance which is closely relate...
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The optimization of parallel flow channel structure of plate heat exchangers
The main purpose of this paper is to design a small channel plate heat exchanger that meets the needs of the enterprise. The efficiency of heat exchanger was improved by adding a distributor at the entrance of...
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Using nonlinear feedback control to improve aircraft nose landing gear shimmy performance
Shimmy vibration is a common oscillation in the nose landing gear (NLG) during aircraft landing and taxiing process, which is a potentially dangerous phenomenon. Herein, the nonlinear angular velocity feedback...
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Stochastic vibration analysis of a nonlinear oscillator with symmetric viscoelastic impact protection under wide-band noise excitations
To reduce the damage to the structure of mechanical vibration devices caused by the vibration, the end stops impact protection structure is often introduced in the design of the devices, which will inevitably ...
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Analytical solution to the SH wave scattering problem caused by a circular cavity in a half space with inhomogeneous modulus
In this work, the scattering problem of SH wave caused by circular cavity in half space with inhomogeneous shear modulus is solved. The shear modulus is assumed to vary in two dimensions. Based on the complex ...
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Fracture characteristics of advanced high strength steels during hole expansion test
This study was performed to estimate the stretch-flangeability of two important advanced high strength steel (AHSS) sheets, i.e. DP980 and TRIP1180, using hole-expansion test (HET). Moreover, the effect of hol...
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A thermomechanical model for mesh deflection calculation of crown spur gear pair
An analytical model of evaluating tooth pair deflection along the line of contact is proposed in this paper to preliminarily determine the load distribution between tooth pairs contacting instantaneously for c...
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Dynamic stress concentration of a cylindrical cavity in vertical exponentially inhomogeneous half space under SH wave
Dynamic stress concentration factor around a cylindrical cavity which is in vertically inhomogeneous half space is investigated by applying complex function method and multi-polar coordinates system. The mass ...
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Analysis of water wave scattering by a submerged perforated reef ball using multipole method
Based on linear potential theory, this study develops an analytical solution to water wave scattering by a submerged perforated reef ball. The series solutions for velocity potentials in the external and inter...
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New analytical solutions to water wave radiation by vertical truncated cylinders through multi-term Galerkin method
New analytical solutions to water wave radiation by vertical truncated circular cylinders are developed based on linear potential flow theory. Two typical cylinder configurations of a surface-piercing cylinder...
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A new bond failure criterion for ordinary state-based peridynamic mode II fracture analysis
Peridynamics is a nonlocal theory, and it has been applied to a series of fracture problems based on its two main bond failure criteria: the critical stretch criterion and the critical energy density criterion...
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Bending of circular nanoplates with consideration of surface effects
Surface effects play a significant role in affecting mechanical properties of micro- and nanosized materials and structures. This paper studies the bending of nanoplates with consideration of surface effects. ...
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Thermal performance of stratified fluid-filled geomaterials with compressible constituents around a deep buried decaying heat source
This paper investigates the transient thermal performance of stratified fluid-filled geomaterials with compressible constituents due to a buried decaying heat source. Starting with the governing partial differ...
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A geometric approach for forward kinematics analysis of a 3-SPS/S redundant motion manipulator with an extra sensor using conformal geometric algebra
This paper proposes a geometric approach for forward kinematics analysis of a 3-SPS/S redundant motion mechanism using conformal geometric algebra (CGA). The forward kinematics of a parallel kinematic mechanis...
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Fracture of a thin power-law nonlinear material with a crack using the DCB model
A thin power-law nonlinear material with a crack is studied. For a thin cracked structure, we simulate the layer with an edge crack or a center crack as a double-cantilever beam (DCB) or a double-clamped beam,...
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Dynamic analysis of a vertically loaded rigid disc in a transversely isotropic multilayered half-space
This paper focuses on the investigation of the response of a vertically loaded rigid circular disc embedded in a transversely isotropic multilayered half-space. The solutions for this dynamic interaction prob...
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Axisymmetric coupled thermo-mechanical response of multilayered elastic medium
Most thermal stress analyses are based on the uncoupled theory of thermoelasticity, which considers that the determination of the temperature field is independent from the stress and displacement fields. This ...
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Analytical layer-element method for 3D thermoelastic problem of layered medium around a heat source
This paper presents a numerically efficient and stable method to study the thermoelastic problem of layered medium containing a heat source. Based on the governing equations of 3D thermoelasticity, the relatio...
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Improved decohesion modeling with the material point method for simulating crack evolution
A combined elastoplasticity and decohesion model is used with the material point method for the crack problem as described in the Sandia National Laboratories challenge. To predict the cracking path in a compl...
