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作用下     
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  under
    Study on the Quasi-elastic Release Behavior and Spallation of LY12 Aluminum Alloy under Strong Shock Loading
    强冲击载荷作用下LY12铝合金的准弹性卸载特性及层裂研究
短句来源
    A CRACK GROWTH MODEL UNDER SPECTRUM LOADING
    谱载荷作用下的裂纹扩展计算模型
短句来源
    DISPLACEMENTS OF AN ELASTIC HALF-SPACE UNDER THE ACTION OF A HORIZONTAL HARMONIC CONCENTRATED FORCE
    弹性半空间表面在水平谐和集中力作用下的位移
短句来源
    DYNAMIC PHOTOGRAPHY FOR DETERMINING STRESS DISTRIBUTION UNDER IMPACT LOADING
    动态光测法研究冲击作用下的应力分布问题
短句来源
    THE NUMERICAL AND EXPERIMENTAL RESEARCHES ON PROPAGATION OF ELASTIC STRESS WAVES IN A CONICAL SHELL UNDER THE AXIAL IMPULSIVE LOADING
    轴向冲击载荷作用下锥壳中弹性应力波传播的计算和实验研究
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  under the action
    DISPLACEMENTS OF AN ELASTIC HALF-SPACE UNDER THE ACTION OF A HORIZONTAL HARMONIC CONCENTRATED FORCE
    弹性半空间表面在水平谐和集中力作用下的位移
短句来源
    ESTIMATION OF PROBABILITY OF FATIGUE FRACTURE UNDER THE ACTION OF RANDOM LOAD
    随机载荷作用下疲劳断裂概率的估计
短句来源
    NONLINEAR ANALYSIS OF A SIMPLE PENDULUM WITH LARGE DISPLACEMENT UNDER THE ACTION OF RANDOM LOADS
    随机载荷作用下大位移单摆的非线性分析
短句来源
    NONLINEAR ANALYSIS OF A SIMPLE PENDULUM WITH LARGE DISPLACEMENT UNDER THE ACTION OF RANDOM EXCITING DISPLACEMENT
    随机激振位移作用下大位移单摆的非线性分析
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    An analysis of the motion of billiards under the action of impulsive force
    在冲力作用下台球运动的力学分析
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  under the action of
    DISPLACEMENTS OF AN ELASTIC HALF-SPACE UNDER THE ACTION OF A HORIZONTAL HARMONIC CONCENTRATED FORCE
    弹性半空间表面在水平谐和集中力作用下的位移
短句来源
    ESTIMATION OF PROBABILITY OF FATIGUE FRACTURE UNDER THE ACTION OF RANDOM LOAD
    随机载荷作用下疲劳断裂概率的估计
短句来源
    NONLINEAR ANALYSIS OF A SIMPLE PENDULUM WITH LARGE DISPLACEMENT UNDER THE ACTION OF RANDOM LOADS
    随机载荷作用下大位移单摆的非线性分析
短句来源
    NONLINEAR ANALYSIS OF A SIMPLE PENDULUM WITH LARGE DISPLACEMENT UNDER THE ACTION OF RANDOM EXCITING DISPLACEMENT
    随机激振位移作用下大位移单摆的非线性分析
短句来源
    An analysis of the motion of billiards under the action of impulsive force
    在冲力作用下台球运动的力学分析
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  subjected
    Lower-bound Shakedown Analysis of Vessels Containing Defects Subjected to Multitypes of Variable Loads
    多组载荷作用下含缺陷容器的下限安定分析
短句来源
    THE DYNAMIC EQUATIONS OF LARGE DEFORMATION OF A RIGID IDEALY PLASTIC CANTILEVER CURVED BEAM SUBJECTED TO IMPULSIVE LOADING
    刚塑性悬臂曲梁在冲击载荷作用下的大变形动力学方程
短句来源
    Static Analysis of Tightened Slope Cable Subjected to Moving Load
    斜张索在移动荷载作用下的静力分析
短句来源
    Axisymmetric Nonlinear Free Vibration of Shallow Spherical Shells Subjected to Static Loads
    静载荷作用下扁球壳轴对称非线性自由振动
短句来源
    SOLUTION OF VISCOELASTIC AND ORIHOTROPIC HALF-SPACE SUBJECTED TO TORSION
    扭矩作用下黏弹性和正交异性半空间问题的解
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  under
We show that wonderful varieties are necessarily spherical (i.e., they are almost homogeneous under any Borel subgroup ofG).
      
We study certain naturally-defined analytic domains in the complexified groupHC which are invariant under left and right translation byH?.
      
As an example of how this can be used, we show that the ring of invariants (under the adjoint action of SL (3)) ofg copies ofM3 is C-M.
      
In this paper, we prove three types of rigidity results related to CAT(-1) spaces, namely the rigidity of the isometric actions on CAT(-1) spaces under the commensurability subgroups, the higher rank lattices and certain ergodic cocycles.
      
As an application, under the same assumption on the transitive group, we show that weakly symmetric spaces are precisely the homogeneous Riemannian manifolds with commutative algebra of invariant differential operators.
      
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  under the action
Initiation and propagation laws of the glass cracks in specimens subjected to normal loading under the action of symmetric wedge
      
It is concluded that some surfactants, such as sodium bis-(2-ethylhexyl) sulfosuccinate (AOT) and isooctyl phenol polyethoxylate (TX-10), could form reverse micelles in supercritical carbon dioxide under the action of butanol.
      
The reasonable geometric similarity scale of the subway station structure has been determined by a 3-D dynamic analysis under the action of lateral equivalent static loading.
      
The differences between the activities of H+-ATPase in the PL preparations produced from the original and transgenic tubers that sprouted under the action of AM and JA were detected.
      
The server state changes under the action of the random environment.
      
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  under the action of
Initiation and propagation laws of the glass cracks in specimens subjected to normal loading under the action of symmetric wedge
      
It is concluded that some surfactants, such as sodium bis-(2-ethylhexyl) sulfosuccinate (AOT) and isooctyl phenol polyethoxylate (TX-10), could form reverse micelles in supercritical carbon dioxide under the action of butanol.
      
The reasonable geometric similarity scale of the subway station structure has been determined by a 3-D dynamic analysis under the action of lateral equivalent static loading.
      
The differences between the activities of H+-ATPase in the PL preparations produced from the original and transgenic tubers that sprouted under the action of AM and JA were detected.
      
The server state changes under the action of the random environment.
      
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  subjected
Rosin glycerin ester and its bromide were prepared from natural renewable rosin, glycerin and liquid bromine which were first subjected to an esterification reaction, followed by an addition reaction.
      
Eleven protein spots were subjected to mass spectrometry (MS) analysis and seven proteins were identified by peptide mass fingerprinting (PMF).
      
Initiation and propagation laws of the glass cracks in specimens subjected to normal loading under the action of symmetric wedge
      
To improve the machining precision of part surfaces and to facilitate tool design and cutting parameter selection, the initiation and propagation laws of glass cracks in specimens subjected to normal loading by symmetric wedges were investigated.
      
The thermal deformation problem in the continuous casting of a slab subjected to thermal loading because of the temperature gradient along the solidified shell thickness is investigated.
      
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In this paper is presented a method of finding the. reactive moments distributed along the clamped edges of a rectangular plate by means of double sine series. Plate with two opposite edges clamped and the other two opposite edges simply supported, and plate with all four edges fixed are used as illustrative examples; the load being uniformly disdributed. The results we obtained are certainly exactly the same that we had obtained by using the method of superposition. However, the method by the double series...

In this paper is presented a method of finding the. reactive moments distributed along the clamped edges of a rectangular plate by means of double sine series. Plate with two opposite edges clamped and the other two opposite edges simply supported, and plate with all four edges fixed are used as illustrative examples; the load being uniformly disdributed. The results we obtained are certainly exactly the same that we had obtained by using the method of superposition. However, the method by the double series has its advantages, when the loads acting on the plate are discontinous. Besides our method can be easily extended for solving the reactive moments of clamped edges of plates on the elastic foundation and under the combined action of lateral load and uniform compression or tension.

本文提供以双重三角级数解作用于矩形板的固定边的弯矩,以代替通常所用的叠加法。这样,一方面可以不必去解板的弯曲面的偏微分方程;另一方面,当作用于板的荷重并不连续而应用叠加法成为很困难时(因计算一四边简支的板在不连续的荷重作用下的弯曲面实非易事),这双重三角级数的解法仍不失为一有效的途径。 对于在计算上更为困难的一类问题,例如在弹性基础上的矩形板,及垂直有重与作用于板的中间面的拉力或压力共同作用的板,我们仍可用双重三角级数以计算作用于固定边的弯矩。 并且,由于能计算级数的极限和的值,所以上述这方法在运算上很为简单。

In previous investigations exact yield conditions for axisymmetric shells are given in terms of four generalized stresses, n1, n2, m1, m2, In the present paper, the intensity of membrane stress, n, and the intensity of bending moment, m, are used to give the statical and kinematical yield surfaces for materials that obey the maximum shear stress criterion.The statical yield surface isThe kinematical yield surface isWhen the statical yield surface is multiplied by a factor 1.31, it becomes another kinematical...

In previous investigations exact yield conditions for axisymmetric shells are given in terms of four generalized stresses, n1, n2, m1, m2, In the present paper, the intensity of membrane stress, n, and the intensity of bending moment, m, are used to give the statical and kinematical yield surfaces for materials that obey the maximum shear stress criterion.The statical yield surface isThe kinematical yield surface isWhen the statical yield surface is multiplied by a factor 1.31, it becomes another kinematical yield surface.Applying these surfaces to the cases of the hinge-supported and the built-in spherical caps under uniform radial pressure, we obtain better upper and lower bounds for the collapse load than those given in [4]. It is interesting to note that the collapse load for the spherical cap depends essentially only upon one shell parameter. Upper and lower bounds for the case of movable hinge-supported shallow spherical shell are also given.

文献[1—3]已给出了轴对称旋转壳以四个广义内力n_1,n_2,m_1,m_2表达的精确屈服条件.本文对服从最大切应力准则的壳,给出了以膜力强度和力矩强度表达的静力屈服面n~2+m=1和机动屈服面2(n-1/2)~2十m=1,机动屈服面不超过静力屈服面的1.31倍.本文还应用这两个屈服面计算了受均布法向载荷作用下的简支和固定边球壳的极限载荷,改进了文献[4]给出的上下界.从给果中发现了球壳的极限载荷基本上只与一个壳体参数有关.最后还给出了周边简支可移的扁球壳极限载荷的上下界.

~~

本文从杜庆华各向同性线性理论出发,经过变换把基本方程简化为相当于一个单层薄板的方程和三个弹性地基上的薄膜方程.指出了杜庆华各向同性线性理论与Hoff和Reissner理论之间的主要差别为相差一个或两个弹性地基上的薄膜方程.导出了均布载荷和集中载荷作用下四边简支板挠度的近似公式,并按几种理论进行了分析比较.此外,提出了1948年Reissner型线性理论有关挠度的边界条件.在夹层板的合成内力的计算中,发现弯矩与单层板的弯短相同.

 
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