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shear strain energy
相关语句
  剪切应变能
     Derived results are able to reflect the influence of the quality of a material to them,compared with the result from the shear strain energy strength theory.
     导出的结果与由剪切应变能强度理论得来的结果相比,能够反映材质的不同对疲劳极限条件的影响。
短句来源
     EAS modes were adopted to overcome the significant deficiency of excessive shear strain energy in "thin" structural applications,the number of internal DOFs is remarkably reduced and the computational efficiency is improved.
     通过引入EAS模式,代替通常采用的增加非协调函数的办法克服模拟薄板时所遇到的过高剪切应变能的缺陷,从而明显减少了内部变量的个数,提高了计算效率;
短句来源
     The paper presents a new four-node quadrilateral shell element, called L3, which is based on the general four-node element with modification of transverse shear strain energy.
     本文通过修正普通四边形单元的横向剪切应变能而得到了一种新的四边形四节点壳单元(本文称之为L_3单元)。
短句来源
     Yet for thickness shear actuators, due to the shear deformation dominates the plate deflection for shear actuation mechanism, the higher order shear theory can provide more accurate evaluation of the shear strain energy of the plate than the first-order one, higher order shear deformation theory can provide more accurate evaluation of the de- formation of the plate.
     但对于厚度剪切型激励器而言,由于激励器主要是引起板的剪切变形,而高阶剪切变形理论比一阶剪切变形理论能更好地反映结构的剪切应变能,因此高阶剪切变形理论可以提供板变形的更为精确的解。
短句来源
     Timoshenko beam model is considered to solve dynamic characteristics and unbalanced response of a rotor system with a flexible shaft and rigid disks supported by non-conservative flexible bearings using a technique called the generalized polynomial expansion method(GPEM). Cross-coupled stiffness and damping coefficients of bearings,transverse shear strain energy,rotary inertia and gyroscopic effects of the system are taken in consideration.
     采用广义多项式展式法求解一个带柔性轴承的Timoshenko梁模型的转子系统的动态特性,轴承的交叉刚度与交叉阻尼、转轴的横向剪切应变能、系统的旋转惯性和陀螺耦合效应都得到了充分考虑。
短句来源
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  “shear strain energy”译为未确定词的双语例句
     Two different theories available in the literature are discussed, and a new one is presented which takes into account the nonlinear shear strain energy and the nonlinear transverse normal strain energy.
     应用非线性力学对稳定问题的变分原理,提出了考虑钢梁内各种应力的非线性应变能的新的总势能公式。
短句来源
  相似匹配句对
     The strain of B.N.
     N .
短句来源
     Investigation on Shear Strength and Shear Strain of Concrete
     砼抗剪强度和剪切变形的研究
短句来源
     The concept of constant shear strain point was proposed.
     提出了常剪切应变点的概念。
短句来源
     Shear flocculation
     剪切絮凝
短句来源
     the strain responses;
     应变反应;
短句来源
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  shear strain energy
However, in the diffusional case, minimization of growth ledge formation kinetics seems to be the main role thereby played, whereas in martensitic growth, the main purpose of such an interface is to minimize elastic shear strain energy.
      
Special emphasis is placed on the roles played by the anisotropy of interphase boundary structure and energy and also upon elastic shear strain energy in both types of transformation.
      
The critical planes were determined with use of two methods based on the maximum parameters of, respectively, normal and shear strain energy density.
      
The parameter of normal and shear strain energy density in critical planes is applied for estimation of fatigue life under cyclic conditions of pure bending, pure torsion and combined proportional bending with torsion.
      
The major impediment to the transformation was the shear strain energy which could not be reduced sufficiently by twinning alone.
      
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The paper presents a new four-node quadrilateral shell element, called L3, which is based on the general four-node element with modification of transverse shear strain energy. The element, possessing five degrees of freedom per node, is suited for linear, nonlinear and nonlinear stability finite element analysis of isotropic, orthotropic and laminated plates and shells. Various numerical examples of laminated structures are given herein.The results illustrate the advantages of not only fewer degrees of...

The paper presents a new four-node quadrilateral shell element, called L3, which is based on the general four-node element with modification of transverse shear strain energy. The element, possessing five degrees of freedom per node, is suited for linear, nonlinear and nonlinear stability finite element analysis of isotropic, orthotropic and laminated plates and shells. Various numerical examples of laminated structures are given herein.The results illustrate the advantages of not only fewer degrees of freedoms and simple formulation, but also satisfactory accuracy and better convergence.

本文通过修正普通四边形单元的横向剪切应变能而得到了一种新的四边形四节点壳单元(本文称之为L_3单元)。该单元每个节点有五个自由度,适用于各向同性、正交异性和层合板壳的线性、非线性及稳定性有限元分析。文中给出了各种类型板壳结构的算例。数值结果表明,该单元不仅公式简单、自由度少,而且具有令人满意的精度和收敛特性。

The unified formulae of the finite element equilibrium equations, (Kb+αKs) q = F, is derived for both displacement method and hybrid stress method. It is demonstrated that the reason of eliminating locking of reduced integration and assumed stress method is identical, i.e., the constraints infroduced by shear-strain energy Ksq = 0 only give rise to Kirchhoff constraints. The conditions for existence of zero energy modes are given via detection of degree of freedom and constraints. Finally,...

The unified formulae of the finite element equilibrium equations, (Kb+αKs) q = F, is derived for both displacement method and hybrid stress method. It is demonstrated that the reason of eliminating locking of reduced integration and assumed stress method is identical, i.e., the constraints infroduced by shear-strain energy Ksq = 0 only give rise to Kirchhoff constraints. The conditions for existence of zero energy modes are given via detection of degree of freedom and constraints. Finally, numerical examples are given to present the equivalenee of reduced integration and assumed stress method on eliminating locking. The paper may be guidance for constructing efficient general elements.

本文以板弯曲单元为例,将位移法和应力杂交法导得的有限元平衡方程写成统一的形式,(K_b+αK_s)q=F,指出减缩积分和假设应力法消除自锁的原因是一致的,即使剪切应变能引入的约束K_(s_q)=0为Kirchhoff约束。并通过对自由度和约束的讨论给出产生零能模式的条件。最后以数例证明减缩积分和假设应力法避免自锁的等效性。本文对构造有效的通用单元有一定的指导意义。

In this paper, the warping displacement function method is adopted to analyse the shear lag effect in single cell box girder bridges. The influence due to the width of the flange plate and the distance to the central axis, and the equilibrium of axial forces are both considered to form a warping displacement function for a single cell box girder with overhanging plates of varied width. It could be transformed into a warping displacement function for open-type beams. The differential equationis derivd form the...

In this paper, the warping displacement function method is adopted to analyse the shear lag effect in single cell box girder bridges. The influence due to the width of the flange plate and the distance to the central axis, and the equilibrium of axial forces are both considered to form a warping displacement function for a single cell box girder with overhanging plates of varied width. It could be transformed into a warping displacement function for open-type beams. The differential equationis derivd form the theory of minimum potential energy and its solution is then obtained. The Calculating process is simple and fast. It is good useful to precision of calculated deflection that the effect of not only shear lag but S. Timoshenko's beam shear strain energy on deflection is considered. In this paper, the results obtained from the finite strip method are used to compare with the results obtained from the warping displacement method. Finally the calculated results are compared with the data from model tests. It shows that the method given in this paper is universal and precise.

本文用翘曲位移法分析单室箱桥的剪力滞效应,其中考虑了翼板宽度和到形心轴的距离对翘曲位移模式的影响以及轴力平衡,构造了一般对称的有任意宽度外伸板的单室箱粱,并可蜕变为开口截面梁的翘曲位移模式。用最小势能原理推出了控制微分方程及其解,计算简便。同时考虑剪力滞效应和铁摩辛柯梁剪切效应对挠度影响,则能改善计算精度。文中将有限条解析的数值计算与翘曲位移法作了比较,最后还应用模型实验资料作验证,验证比较表明,本文方法的通用性较好,精度较高。

 
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