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偏心效应
相关语句
  the eccentric effect
     The Eccentric Effect of a Coaxial Viscometer
     双筒粘度计中的偏心效应
短句来源
  decouple effect
     Pressure decouple effect of eccentric decouple charge blasting is researched according to cement mortar model testing,meanwhile comparable testing of smooth blasting of eccentric and centric charge is researched on rock with sonic velocity evaluation in this paper.
     通过水泥沙浆模型试验研究了偏心不耦合装药爆破的偏心效应,同时在石灰石块体上通过岩石声速评价对比试验,研究了药柱偏心和同心的光面爆破。
短句来源
  eccentric effect
     The Eccentric Effect of a Coaxial Viscometer
     双筒粘度计中的偏心效应
短句来源
  “偏心效应”译为未确定词的双语例句
     The theoretical and computational results show that an important reason resulting in eccentric wear of the inner cylinder and the pumping rod lies in the nonuniformity of the stress distribution on the outwall of the inner cylinder which yields excentralization effect of the pumping rod when swabbing fluid flows in eccentric annuli with the pumping rod moving axially in a well.
     上述的理论与计算表明,抽油机井杆管偏磨的一个重要原因是,在聚驱工况下,抽汲液体在抽油杆做轴向运动的井筒中流动时,抽汲液体作用在抽油杆外壁上的压力分布的不均匀性所引起的抽油杆在井筒中的偏心效应
短句来源
     but the force will make iteccentric no matter in the upward or downward stroke when the pressure gradient ishigh enough and as to power-law fluid the force Tx is zero.
     但当压力梯度增大到某一值时, T_x在上冲程和下冲程中都使内管产生偏心效应;
短句来源
     The most general bending-stretch-ing coupling and the effect of eccentricity of stiffeners are considered.
     考虑了面板最一般的弯曲拉伸耦合关系和加筋筋条的偏心效应的影响.
短句来源
     Based on Ref. [1], a theoretical analysis is presented for the general instability of composite conical shells with triangular grid stiffeners under external pressure.
     本文在文献[1]的基础上加以推广,分析了在均布外压作用下复合材料三角形网格加筋圆锥壳体总体稳定性,考虑了蒙皮的正交拉弯耦合效应和加筋筋条的偏心效应.
短句来源
     Depicting the basic characteristics on modern bathymetric surveying,qualitatively and quantificationally analyzing the errors caused by the bathymetric surveying environment effect,which includes vessel speed,wave,eccentricity of positional antenna center and sounding delay,this paper establishes the mathematic model of error correction for bathymetric surveying.
     简述了现代海洋水深测量的基本特点; 定性和定量地分析了由船速效应、波浪效应、定位中心偏心效应,以及测深仪发射声波延迟效应等测量环境效应引起的测量误差;
短句来源

 

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    A Donnell type theory is developed for finite deflection of closely stiffened truncated laminated composite conical shells under arbitrary loads by using the variational calculus and smeared-stiffener theory. The most general bending-stretch-ing coupling and the effect of eccentricity of stiffeners are considered. The equilibrium equations, boundary conditions and the equation of compatibility are derived. The new equations of the mixed type of stiffened laminated composite conical shells are obtained in terms...

    A Donnell type theory is developed for finite deflection of closely stiffened truncated laminated composite conical shells under arbitrary loads by using the variational calculus and smeared-stiffener theory. The most general bending-stretch-ing coupling and the effect of eccentricity of stiffeners are considered. The equilibrium equations, boundary conditions and the equation of compatibility are derived. The new equations of the mixed type of stiffened laminated composite conical shells are obtained in terms of the transverse deflection and stress function. The simplified equations are also given for some commonly encountered cases.

    本文利用变分原理和平均筋条刚度法,建立了在任意载荷作用下纵向和环向密加筋复合材料圆锥壳体有限变形的Donnell型理论.考虑了面板最一般的弯曲拉伸耦合关系和加筋筋条的偏心效应的影响.导出了平衡条件、边界条件和变形协调方程.给出了以应力函数和挠度函数表示的耦合形式的非性性变系数偏微分方程组.对于一些特殊情况,给出了相应的简化方程.

    In this paper, based on the theory of Donnell-type shallow shell, a new displacement-type stability equations is first developed for laminated composite circular conical shells with triangular grid stiffeners by using the variational calculus and generalized smeared-stif fener theory. The most general bending stretching couplings, the effect of eccentricity of stiffeners are considered. Then, for general stability of composite triangular grid stiffened conical shells without twist coupling terms, the approximate...

    In this paper, based on the theory of Donnell-type shallow shell, a new displacement-type stability equations is first developed for laminated composite circular conical shells with triangular grid stiffeners by using the variational calculus and generalized smeared-stif fener theory. The most general bending stretching couplings, the effect of eccentricity of stiffeners are considered. Then, for general stability of composite triangular grid stiffened conical shells without twist coupling terms, the approximate formulas are obtained for critical external pressure by using Galerkin's procedure. Numerical examples for a certain C/E composite conical shells with inside triangular grid stiffeners are calculated and the results are in good agreement with the experimental data. Finally, the influence of some parameters on critical external pressure is studied. The stability equations developed and the formulas for critical external pressure obtained in this paper should be very useful in the astronautical engineering design.

    本文采用Donnell型扁壳理论,首先利用最小势能原理和广义平均筋条刚度法推导出用位移分量表示的复合材料三角形网格加筋叠层圆锥壳体的稳定性方程,考虑了蒙皮最一般的拉弯与拉扭耦合关系和加筋筋条的偏心效应,并讨论了该方程的基本性质.根据外压实验观察结果,通过选取适当的位移分量表达式,并运用Galerkin法分析了在均布外压作用下复合材料三角形网格加筋叠层圆锥壳体总体稳定性,得到了临界载荷的解析表达式,并对某一类C/E复合材料三角形内网格加筋圆锥壳体的临界外压进行了计算,所得理论值与实验结果很好地吻合.最后,讨论了有关参数对临界载荷的影响.本文所建立的新方程和所得结果对于航空航天结构非常有用.

    Based on Ref. [1], a theoretical analysis is presented for the general instability of composite conical shells with triangular grid stiffeners under external pressure. The approximate formulas for critical external pressure are obtained by using Galerkin's procedure and the appropriate expressions for displacement components during buckling are selected. Numerical results are given for composite conical shells with and without triangular grid stiffeners and are in good agreement with the experimental data. The...

    Based on Ref. [1], a theoretical analysis is presented for the general instability of composite conical shells with triangular grid stiffeners under external pressure. The approximate formulas for critical external pressure are obtained by using Galerkin's procedure and the appropriate expressions for displacement components during buckling are selected. Numerical results are given for composite conical shells with and without triangular grid stiffeners and are in good agreement with the experimental data. The results obtained in this paper can be used in engineering design.

    本文在文献[1]的基础上加以推广,分析了在均布外压作用下复合材料三角形网格加筋圆锥壳体总体稳定性,考虑了蒙皮的正交拉弯耦合效应和加筋筋条的偏心效应.基于外压实验观察结果,通过选择恰当的位移分量表达式,本文利用Galerkin法获得了临界外压的近似表达式,并对某一C/E复合材料三角形内网格加筋圆锥壳体的临界外压值进行了理论计算,所得结果与实验值相当吻合.文中所得结果可供工程应用参考.

     
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