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转动惯性     
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  rotator inertia
     Based on these analyses,a new formula to calculate dynamic stress intensity factor is derived,which takes account of the effects of impact velocity,rotator inertia and shear deformation.
     在此基础上,考虑冲击速度、试样的转动惯性和剪切变形对动态应力强度因子的影响,求解得到了一个新的动态应力强度因子的表达式
短句来源
  rotary inertia
     The effects of shear deformation, longitudinal anc rotary inertia of face plates,and extension and rotary inertia of the core layer have been considered. Hence the equation may be used to study the vibration of short sandwich beam and higher order modes.
     由于较全面地考虑了各种因素(两面层的剪切变形、纵向及转动惯性,阻尼层的拉伸及转动惯性等)的影响,因而,本文理论可用于研究短夹心梁振动及高阶振型。
短句来源
  rotational inertia
     In this paper, the non dimensional axisymmetrical motion equations of orthotropic circular cylindrical shell under impact torque by considering the shear deformation and the rotational inertia effect are given.
     本文给出了计及剪切变形和转动惯性效应的正交异性圆柱壳受冲击扭矩作用的轴对称运动方程的无量纲形式;
短句来源
     The Hamilton variation principle is extended to derive the equations of motion, taking account of the shear deformation and the rotational inertia of the shells and the stiffeners. And a semi-analytic finite difference method is used to solve this problem.
     考虑了壳体剪切变形、转动惯性以及加筋肋骨的拉伸、弯曲和剪切变形 ,运用 Hamilton变分原理推导出了运动方程 ,并且采用一种半解析有限差分法进行了求解。
短句来源
     The influence of material parameters on the deflection is investigated. The dynamical response of the viscoelastic Timoshenko beam subjected to a periodic excitation is studied by means of mode shape functions. And the effect of both transverse shear and rotational inertia on the vibration of the beam is discussed.
     分析Timoshenko梁在阶跃载荷作用下的准静态力学行为 ,得出了问题的解析解 ,考察了一些材料参数对梁的挠度的影响· 基于模态函数讨论了粘弹性Timoshenko梁在横向简谐激励作用下的动力响应 ,并考察了剪切和转动惯性对梁振动响应的影响
短句来源
     The discriminant of synchronous rotation of piston ring with piston was put forward. Moreover,the analytical model about the opposite rotation of the piston ring was established,by taking into account various forces including combustion gas pressure,liquid friction,and reciprocating inertia force,and various moments including rotational friction,rotational inertia,and gas friction moment.
     在考虑燃气压力、往复惯性力和流体摩擦力,以及转动摩擦阻力矩、转动惯性力矩和气体摩擦力矩作用的基础上,提出了活塞环随活塞同步转动的判别条件,建立了活塞环相对转动的分析模型.
短句来源
  rotatory inertia
     Analytical expressions for dynamic characteristic and general expressions for random responses of thick cylindrical shells are given. The present work contains,in addition to the usual membrane and bending effects,also the influences of rotatory inertia,transverse shear deformation and transverse normal extrusion. The numerical results are given herein.
     把厚圆柱壳作为连续体,对厚圆柱壳的随机响应进行了分析,其中荷载用随机函数来描述.文中给出了厚圆柱壳动力特性的解析表达式和随机响应的一般表达式.其中除了包含通常的薄膜和弯曲效应外,还反映了转动惯性、横向剪切变形和横向挤压的影响,并给出了数值结果,对接改进理论和经典理论所预示的结果进行了比较.
短句来源
     Besides the usual membrane stresses and stress couples the equation also contains additional terms reflecting the influences of transverse shear deformation, rotatory inertia and transverse extrusion.
     该方程除了包含通常的薄膜内力项和内矩项外,还反映了横向剪切影响、转动惯性效应和横向挤压影响.
短句来源
     The effects of membrane force and the effects of rotatory inertia are reflected in the equation.
     该方程反映了膜力效应和转动惯性效应 ;
短句来源
     In this paper, the finite deformation equations of motion for a cylindrical shell, which is subjected to normal concentrated loading at arbitrary position, are derived by using the minimum principle in dynamics of elastic plastic continua at finite deformation, the effects of membrane force and the effects of rotatory inertia are reflected in the equation.
     以有限变形连续体的最小加速度原理为基础 ,导出了在任意位置受到横向集中动力载荷作用下的闭合圆柱壳的有限变形运动方程 ,该方程反映了膜力效应和转动惯性效应 ;
短句来源
     Based on the constitutive equations and integral-type constitutive model of viscoelastic solids, with damage motion differential equations are presented for a general thick viscoelastic plate with damage, including effects of shear deformation, extrusion deformation and rotatory inertia.
     该文从粘弹性损伤的基本方程出发,采用带损伤的粘弹性积分型本构关系,利用推导弹性厚板方程相类似的方法,推导了带损伤粘弹性厚板含剪切、挤压及转动惯性效应的动力学方程.
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      rotary inertia
    Moreover, the rotary inertia can also be identified by the additive mass.
          
    Moreover, all the variables including the rotary inertia of the servo system were identified by the additive mass.
          
    The dynamical behavior of the plate is described in terms of the Uflyand-Mindlin wave equations taking into account the rotary inertia and the transverse shear deformations.
          
    The system equations have been derived based on higher order shear deformation theory and also include rotary inertia effects.
          
    The dynamic characteristics of the system are studied through numerical simulations under twos cases: the rotary inertia of the hub is much larger than, and is close to, that of the flexible beam.
          
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      rotational inertia
    Aiming at a 300 MW turbo-generator model, the sensitivity of natural torsional frequencies and modes of torsional vibration (TV) to the rotational inertia and stiffness of the turbo-generator were analyzed.
          
    Calculation results show that the variation of the rotational inertia or stiffness either of the rotor system as a whole (namely shafting) or only locally may both remarkably influence the TV characteristics of the rotor.
          
    The factors are transverse shear deformation, initial imperfections, longitudinal and rotational inertia, and ply-angle of the fiber, etc.
          
    And the effect of both transverse shear and rotational inertia on the vibration of the beam is discussed.
          
    The effect of the skew angle of the underlying grid structure is also explored, as are mathematical refinements of the modelling of the beam elements and the rotational inertia of the added masses.
          
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      rotatory inertia
    All effects of rotatory inertia and shear deformation are taken into account in the formulation.
          
    This paper investigates the acoustic scale effects for the similitude model, which are influenced by loss factor, shear and rotatory inertia.
          
    Free vibrations of arches with inclusion of axial extension, shear deformation and rotatory inertia in Cartesian coordinates
          
    The formulation includes the effects of axial extension, shear deformation, and rotatory inertia.
          
    These conclusions can clso be applied to structures such as beams, plates and shells in which the shear deformation and rotatory inertia are considered.
          
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    In this paper, the general equations of motion for deflections and rotations of thick elastic shells with arbitrary shape are derived by using the variational principle. Besides the usual membrane stresses and stress couples the equation also contains additional terms reflecting the influences of transverse shear deformation, rotatory inertia and transverse extrusion. It can be Shown that the equation for thick Shells deduced by V.Z. Vlasov, the equation for thick cylindrical shells by I. Mirsky and G. Herrmann...

    In this paper, the general equations of motion for deflections and rotations of thick elastic shells with arbitrary shape are derived by using the variational principle. Besides the usual membrane stresses and stress couples the equation also contains additional terms reflecting the influences of transverse shear deformation, rotatory inertia and transverse extrusion. It can be Shown that the equation for thick Shells deduced by V.Z. Vlasov, the equation for thick cylindrical shells by I. Mirsky and G. Herrmann and the equation for thick plates by R. D. Mindlin are the special cases of the general equation presented herein.

    本文以位移和转角作为独立变量,运用变分原理推演出任意形状弹性厚壳的运动方程.该方程除了包含通常的薄膜内力项和内矩项外,还反映了横向剪切影响、转动惯性效应和横向挤压影响.本文提供的方程还可以蜕化为由V.Z.Vlasov提出的厚壳方程,I.Mirsky和G.Herrmann提出的厚圆柱壳方程,R.D.Mindlin提出的厚板方程。

    The basic theory of singular perturbation method is given in Ref.[5] .

    本文应用奇异扰动法,推导出考虑导弹的转动惯性时的导引规律的新公式,此公式仅在原导弹导引规律中增加一项修正项,对目前导弹有实际用价值,可以提高导引精度,是目前在公开文献中尚未见到的新导引规律。

    In this paper, a more accurate differential equation of motion of damped sandwich beams has been derived by using the variational method. The effects of shear deformation, longitudinal anc rotary inertia of face plates,and extension and rotary inertia of the core layer have been considered. Hence the equation may be used to study the vibration of short sandwich beam and higher order modes. Comparisons have been made for several approximate theories, and the ranges in which the the theories could been used have...

    In this paper, a more accurate differential equation of motion of damped sandwich beams has been derived by using the variational method. The effects of shear deformation, longitudinal anc rotary inertia of face plates,and extension and rotary inertia of the core layer have been considered. Hence the equation may be used to study the vibration of short sandwich beam and higher order modes. Comparisons have been made for several approximate theories, and the ranges in which the the theories could been used have been pointed out.

    本文通过变分法推导了阻尼夹心梁的振动方程。由于较全面地考虑了各种因素(两面层的剪切变形、纵向及转动惯性,阻尼层的拉伸及转动惯性等)的影响,因而,本文理论可用于研究短夹心梁振动及高阶振型。文中还比较了几种近似理论,指出其误差范围。

     
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