40 Result(s)
within
English
Engineering
Engineering Thermodynamics, Heat and Mass Transfer
Theoretical and Applied Mechanics
Yi**ang Chen
Article
-
Article
Exact size-dependent connections between effective moduli of fibrous piezoelectric nanocomposites with interface effects
We consider the macroscopic behavior of two-phase fibrous piezoelectric composites. The fibers are of circular cross-section with the same radius. Along the interfaces between the fibers and the matrix we cons...
-
Article
Application of new double side approach method to the solution of super-elliptical plate problems
The new double side approach method combining the mathematical programming and the subdomain method in the method of weighted residual is presented in this article. Under the validation of maximum principle, a...
-
Article
Quadratic programming-based approach for autonomous vehicle path planning in space
Path planning for space vehicles is still a challenging problem although considerable progress has been made over the past decades. The major difficulties are that most of existing methods only adapt to static...
-
Article
Effects of high-order surface stress on buckling and resonance behavior of nanowires
A theoretical framework, accounting for high-order surface stress, is implemented in a continuum mechanics model based on the Euler-Bernoulli theory of beams and columns to simulate the buckling and resonance ...
-
Article
Evaluating local elasticity of the metal nano-films quantitatively based on referencing approach of atomic force acoustic microscopy
Traditional technique such nanoindenter(NI) can’t measure the local elastic modulus at nano-scale(lateral). Atomic force acoustic microscopy (AFAM) is a dynamic method, which can quantitatively determine inden...
-
Article
Optimum selection of mechanism type for heavy manipulators based on particle swarm optimization method
The mechanism type plays a decisive role in the mechanical performance of robotic manipulators. Feasible mechanism types can be obtained by applying appropriate type synthesis theory, but there is still a lack...
-
Article
Feature extraction of kernel regress reconstruction for fault diagnosis based on self-organizing manifold learning
The feature space extracted from vibration signals with various faults is often nonlinear and of high dimension. Currently, nonlinear dimensionality reduction methods are available for extracting low-dimension...
-
Article
A review on the mechanical methods for evaluating coating adhesion
Coatings have been applied widely in aerospace, biomedical, electronic, and many other industries. The performance of a coating is dictated by the adhesion between the coating and the underlying substrate. Thu...
-
Article
A mathematical framework of high-order surface stresses in three-dimensional configurations
The mathematical behavior of a curved interface between two different solid phases with surface or interface stress effects is often described by the generalized Young–Laplace (YL) equations. The generalized Y...
-
Article
Effect of spine motion on mobility in quadruped running
Most of current running quadruped robots have similar construction: a stiff body and four compliant legs. Many researches have indicated that the stiff body without spine motion is a main factor in limitation ...
-
Article
Feature extraction and recognition for rolling element bearing fault utilizing short-time Fourier transform and non-negative matrix factorization
Due to the non-stationary characteristics of vibration signals acquired from rolling element bearing fault, the time-frequency analysis is often applied to describe the local information of these unstable sign...
-
Article
Optimization and mechanical accuracy reliability of a new type of forging manipulator
Researches on forging manipulator have enormous influence on the development of the forging industry and national economy. Clamp device and lifting mechanism are the core parts of forging manipulator, and have...
-
Article
Kinematics and dynamics Hessian matrices of manipulators based on screw theory
The complexity of the kinematics and dynamics of a manipulator makes it necessary to simplify the modeling process. However, the traditional representations cannot achieve this because of the absence of coordi...
-
Article
Effects of joint controller on analytical modal analysis of rotational flexible manipulator
Modal analysis is a fundamental and important task for modeling and control of the flexible manipulator. However, almost all of the traditional modal analysis methods view the flexible manipulator as a pure me...
-
Article
Stability analysis for a planar parallel manipulator with the capability of self-coordinating the load distribution
Redundantly actuated parallel manipulators have the advantage of enhancing load-carrying capability over their non-redundant ones, however they also cause the problem of uneven load distribution and need a hig...
-
Article
Constitutive modeling for Ti-6Al-4V alloy machining based on the SHPB tests and simulation
A constitutive model is critical for the prediction accuracy of a metal cutting simulation. The highest strain rate involved in the cutting process can be in the range of 104–106 s–1. Flow stresses at high strain...
-
Article
Optimization of the End Effect of Hilbert-Huang transform (HHT)
In fault diagnosis of rotating machinery, Hilbert-Huang transform (HHT) is often used to extract the fault characteristic signal and analyze decomposition results in time-frequency domain. However, end effect ...
-
Article
Multi-Field Analysis and Experimental Verification on Piezoelectric Valve-Less Pumps Actuated by Centrifugal Force
A piezoelectric centrifugal pump was developed previously to overcome the low frequency responses of piezoelectric pumps with check valves and liquid reflux of conventional valveless piezoelectric pumps. Howev...
-
Article
Open AccessGeneralized ray method for three-dimensional propagation in a penetrable wedge
A generalized ray solution is presented for the three-dimensional (3-D) acoustic field produced by a transient point source in a rigid-bottom, fast-speed fluid-bottom, and fast-speed elastic-bottom wedge model...
-
Article
Gradient elasticity and size effect for the borehole problem
It has been shown recently that robust gradient models of elasticity offer an effective tool to resolve existing difficulties (e.g., elimination of singularities) or predict new experimentally observed phenome...
