弹性力学

Hypoplastic constitutive theory, which was originated from the middle and late stage of the 20th century, is a new type of soil constitutive theory based on rational mechanics. Hypoplastic theory can reflect inelasticity, nonlinearity, dilatancy and other main mechanical properties of granular material.

亚塑性本构理论是20世纪中晚期发展起来的一类基于有理力学的新型的连续介质本构建模理论，主要用于刻画无黏性散粒型上体的非弹性、非线性及剪胀性等主要应力应变特性。

The classical mechanics of materials is based upon the linear elasticity, infinitesimal deformation, and isotropic hypotheses, which has big constraints.

传统的材料力学教材基于线弹性、小变形、各项同性等基本假设，不可避免地具有很大的局限性。

Chapter two presents the three-dimensional equations of the nonlinear theory of electroelasticty for large deformations and strong fields and the linear theory of piezoelectricity for infinitesimal deformation and fields.

第二章从连续介质力学理论出发，给出了适于压电研究的普遍的电弹性非线性理论，以及近似的三维线性压电理论和线性压电本构关系。

The high value of Poisson s ratio and low value of elastic anisotropy ratio imply that the interatomic force in ZrCr_2 is weakly directi...

并计算了层错与位错的弹性交互作用。对ZrCr2Laves相的力学特性和变形机制进行了讨论。

In order to overcome them, another simple but highly effective method is proposed in this paper. This method is based on mechanical model of spline function. The principle is that the vertical displacements of elastic lamella grids the elevation of land key points. Consequently we can use the finite element method to draw contours accurately.

为了克服这些现象，提出了一种根据地形特征点自动绘制等高线的高效、简便、实用的新方法，其基本思想是建立在样条函数的力学模型基础上，利用弹性薄板的竖向位移比拟地形特征点的标高，从而利用有限元，高精度地绘制出等高线。

Designtheory of RC lattice beam is studied by analytic solution of the beam on Winklerelastic foundation quantificationally.

2提出了格构锚固结构的力学模型，利用Winkler弹性地基梁上的解析解定量研究了钢筋砼格构梁的设计理论及各参数的优化取值。

The research indicates that the ground stress and pore pressure and the rocky Biot's elasticity coefficient play the leading role, and the other rocky mechanical parameters follow.

通过实例分析表明，在川西深层条件下，地应力、地层孔隙压力和岩石的弹性系数等参数的准确程度对井壁稳定性分析结果影响程度最大，而其他岩石力学参数的影响次之。

On the basis of deriving stiffness matrix of an elastic beam unit, the knowledge of computation mechanics and finite element method are used to analyze the strutbeam under distributional load, a finite element analysis result is obtained through an example calculation, which is compared with those of Ansys and material mechanics so as to demonstrate its correctness.

在求出弹性梁单元刚度矩阵的基础上，利用计算力学和有限元法的知识，对分布载荷作用下的简支梁进行了分析。

Preiss angle (P .0l ), for the stick pestle can complement the strength for correcting the broadenth of the cross radius of the calcaneus, and the plaster splints are strong enough to fix the ankle firmly at the metatarsus posture.

第二部分为生物力学的实验研究，采用电测法与三维光弹性实验，研究跟骨在中立位及不同角度的跖屈位时应力分布的规律，分析跟骨在不同体位时应力和位移情况，探讨跟骨骨折的发病规律及合理的治疗方法。

Interface circuits and the study of viscoelasticity and micromechanics as well as surface roughness with the QCM are discussed.

接口电路和研究的粘弹性和细观力学以及表面粗糙度的天平进行了讨论。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。