1,266 Result(s)
within
English
Classical Mechanics
Yi**g Yong
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Article
Stress corrosion cracking of Al-Zn-Mg alloy AA-7039 by slow strain-rate method
The stress corrosion behaviour of Al-Zn-Mg alloy AA-7039 in an aqueous 3.5 wt % Nad solution (pH=1) was studied with the specimens under constant strain rate as function of ageing state and cold working. The t...
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Chapter and Conference Paper
An Optimally Controlled Four-Node Quadrilateral Element for Reissner-Mindlin Plate
A four-node quadrilateral plate bending element of Reissner-Mindlin plate, which uses bilinear interpolations for both rotations and transverse deflection, has been developed by employing a technique similar t...
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Article
Representing general solution of equations in theory of elasticity by harmonic functions
The general solution of the equations in the theory of elasticity is represented by seven harmonic functions, where there are only three harmonic functions independent of each other and every one of them has c...
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Article
Contradiction of Jk integral
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Article
A new quadrilateral nonconforming model and its convergence
This paper presents a new quadrilateral nonconforming finite element. We deal with its convergence by using generalized patch test T error on stresses and displacements are obtained and numerical computations ...
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Chapter and Conference Paper
Evolutionary Kanai-Tajimi Type Earthquake Models
A versatile mathematical framework based on the concept of random pulse train is proposed for the modeling of hypothetical ground acceleration in a future earthquake for engineering design purposes. This frame...
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Article
Effect of Al2O3 on retaining tetragonal particles in Y-PSZ ceramic matrix
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Article
Complex variable function method fob hole shape optimization in an elastic plane
In this paper, a complex variable function method for solving the hole shape optimization problem in an elastic plane is presented. In this method, the stresses in hole problems are analysed by taking advantag.....
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Article
Optical energy gaps of In2−x Ga x S3 thin films prepared by spray pyrolysis
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Article
On the positive definiteness of a class of operators
In this paper, a proof of the positive definiteness for a class of operators is given. The operators considered are general enough to include those in two- and three-dimensional elasticity, thin plates and she.....
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Article
A discussion on “representing general solution of equations in theory of elasticity by harmonic functions”
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Chapter and Conference Paper
On Variational Principles of Elastic Mechanics
In the present paper the fundamental concept of energy is used, together with employment of adjusting parameters method, to obtain a set of variational principles for linear elastic mechanics. There exist seve...
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Chapter and Conference Paper
On Relation Between Quasi-Conforming Technique and Reduced/Selective Integration
In the present paper the relation between Quasi-Conforming (QC) elements and those using Reduced/Selective Integration (RSI) is briefly studied. Special attention is focused on study of 4-node quadrilateral el...
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Chapter and Conference Paper
Exact and Approximate Solutions for Response of Nonlinear Systems Under Parametric and External White Noise Excitations
By separating the drift coefficients in the Fokker-Planck equation into two parts, one associated with the vanishing probability flow and another with the circulatory probability flow, a method is devised to o...
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Article
The phase transformations and structure of Cu83.34Pt16.66 alloy
The structure and phase transformation of Cu83.34Pt16.66 alloy have been investigated by X-ray diffraction, TEM, differential thermal analysis, and measurements of electrical resistance and hardness. It was found...
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Article
A computer model of pulse wave and input impedance in human arteries
To predict the propagation of pressure and flow pulses in arterial system and the variation of vascular input impedance, a branched and tapered tube model is studied through one-dimensional transient flow anal...
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Article
Formation of solid-liquid interface in ferroelectric particle dispersion and its effect on the dispersion stability
A model has been proposed for the formation of the ferroelectric solid-liquid interface in the non-electrolyte dispersion system. Bulk properties as well as the surface properties of the dispersing solid could...
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Article
On the objective stress rate in co-moving coordinate system
The objective stress rate is a rather important problem in mechanics of finite deformation. In this paper, the objective stress rate in co-moving coordinate is derived by applying nonlinear geometric field the.....
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Article
A numerical model of left ventricle and aortic valve function of its afterload (I)
Due to the study of the function of heart and aortic valve, we set up a physical model of left ventricle, aortic valve and afterload and derive theoretical equation of each part from the model. Then we calcula.....
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Article
Quasi-periodic waves and quasi-solitary waves in stratified fluid of slowly varying depth
The nonlinear waves in a stratified fluid of slowly varying depth are investigated in this paper. The model considered here consists of a two-layer incompressible constantdensity inviscid fluid confined by a s.....
