搜索结果: 31-45 共查到“elasticity”相关记录83条 . 查询时间(0.14 秒)
General solutions of a class of axisymmetric deformation problems based on nonlinear elasticity
partial differential equation general solution
2010/9/21
This paper studies the general solutions of a system of partial differential equations, which can describe the finite deformation of an incompressible hyperelastic cylindrical tube composed of the kno...
A nonlinear elasticity problem governed by Lame system
nonlinear elasticity problem governed Lame system
2010/9/25
In this work we study a nonlinear problem equation governed by the system of Lam´e, is similar example was the partial differential equations,which operates in relativistic quantum mechanics sys...
C1 natural element method for strain gradient linear elasticity and its application to microstructures
Strain gradient linear elasticity C1 natural element method Sibson interpolation Microstructures Size effects
2012/2/24
C1 natural element method (C1 NEM) is applied to strain gradient linear elasticity and size effects on microstructures are analyzed. The shape functions in C1 NEM are built upon the natural neighbor i...
On the commutability of homogenization and linearization in finite elasticity
linearization finite elasticity
2010/11/22
We study non-convex elastic energy functionals associated to (spatially) periodic, frame indifferent energy densities with a single non-degenerate energy well at SO(d). Under the assumption that the e...
Variable Order Mixed H-Finite Element Method for Linear Elasticity with Weakly Imposed Symmetry. Ii. Affine and Curvilinear Elements in 2D
Variable Mixed H-Finite Element Method
2010/11/9
We continue our study on variable order Arnold-Falk-Winther elements for 2D elasticity in context of both affine and parametric curvilinear elements. We present an $h$-stability result for affine ele...
The stationary Weyl equation and Cosserat elasticity
neutrino spin torsion Cosserat elasticity
2010/3/18
The paper deals with the Weyl equation which is the massless Dirac equation. We study the Weyl equation in the stationary setting, i.e. when the spinor field oscillates harmonically in time. We sugges...
Nonlinear systems for highly compressive elasticity simulations
elasticity compressive elasticity
2010/9/15
The standard equations of linear elasticity have served well over many generations to describe small displacements of elastic systems subject to a variety of forces and/or stresses. However, computati...
纳米铜晶胞体积弹性模量变化规律的分子动力学模拟（Molecular Dynamics Simulation for Variation Relationship of Volume-elasticity Modulus of Crystal Cu with Pressure and Temperature）
分子动力学 纳米铜晶胞 体积弹性模量
2009/12/28
用分子动力学的方法详细模拟纳米铜晶胞随温度与压强变化的规律，得到了铜晶胞体积弹性模量突变的敏感压强点。模拟结果表明：单晶铜的在压强小于75 GPa时体积弹性模量随温度升高而降低，随压强增大而增大；在压强大于75 GPa时，体积弹性模量随温度升高而增大，随压强增大而减小。
CANTILEVER CLAMPING RIGIDITY IMPACT ON DYNAMIC MODULUS OF ELASTICITY CALCULATION
transverse free vibration cantilever clamping rigidity dynamic modulus of elasticity
2009/11/26
The paper presents the impact of the clamping ratio of a clamped beech (Fagus sylvatica) cantilever specimen on the calculation of a dynamic modulus of elasticity. First we measured the specimen’s fre...
Manifestation of nonlinear elasticity in rock:convincing evidence over large frequency and strain intervals from laboratory studies
nonlinear elasticity in rock large frequency strain intervals laboratory studies
2009/11/16
Nonlinear elastic response in rock is established as a robust and representative characteristic rock rather than a curiosity. We show measurements of this behaviour from a variety of experiments on ro...
Flexural strength and modulus of elasticity of different types of resin-based composites
Composite resins Physical and chemical properties Inorganic particles
2009/10/16
The aim of the study was to test whether the filler composition of resin composites influences their flexural strength and modulus of elasticity. Flexural strength and modulus of elasticity were obtai...
Study of the surface hardness and modulus of elasticity of conventional and microwave-cured acrylic resins
Denture complete Polymethyl methacrylate Hardness Elasticity
2009/10/16
The aim of this study was to evaluate the following acrylic resins: Cl醩sico?/sup>, QC-20?/sup> and Lucitone?/sup>, recommended specifically for thermal polymerization, and Acron MC?/sup> and VIPI-WAVE...
Influence of Elasticity on Gap Formation in a Lining Technique with Flowable Composite
Flowable composite Elastic modulus Gap formation
2009/9/14
The purpose of this study was to investigate the effect of flowable composites as liners for direct composite restorations, with key focus on the elastic moduli of flowable and condensable composites....
Hardness and Elasticity of Sound and Caries-affected Primary Dentin Bonded with One-step Self-etch Adhesive
Hardness Young's modulus Nanoleakage Caries-affected dentin Sound dentin
2009/9/14
Biomechanical properties of bonded dentin are important for resin restorations. We hypothesized that there are no differences in the hardness and elasticity of sound and caries-affected primary dentin...
Model-Based Reconstructive Elasticity Imaging Using Ultrasound
Model-Based Reconstructive Elasticity Imaging
2009/9/7
Elasticity imaging is a reconstructive imaging technique where tissue motion in response to mechanical excitation is measured using modern imaging systems, and the estimated displacements are then use...