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classical
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  经典
    A STUDY ON THE IN SITU TRANSVERSE TENSILE LAMINA STRENGTH AND THE CLASSICAL SOLUTION OF THE OPENING MODE CRACK IN A 0°/90°/0° LAMINATE
    复合材料单层的横向拉伸原地强度和0°/90°/O°叠层板张开型裂纹经典解的研究
短句来源
    INTEGRAL INVARIANTS IN GENERALLZED CLASSICAL MECHANICS
    广义经典力学的积分不变量
短句来源
    Differential Form and Conservative Force Field in Classical Mechanics
    微分形式与经典力学中的保守力场
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    Variational Equations and Integral Invariant of Generalized Classical Mechnics
    广义经典力学的变分方程和积分不变量
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    Application of Classical Parameters in Statistical Energy Analysis of Multi Structure Systems
    经典参数在多结构耦合系统统计能量分析中的应用
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  “classical”译为未确定词的双语例句
    The Analytical Study on the Laser Induced Reverse-Pluggaing Effect by Using the Classical Elastic PlateTheory(Ⅱ)──Reversa-Bulge. Motion
    反冲塞效应的热弹性理论分析(Ⅱ)──反鼓包运动
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    L'-ESTIMATION OF THE SOLUTION OF THE CLASSICAL WAVE EQUATION IN THREE SPACE DIMENSIONS
    三维波动方程的一种L'─估计
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    The Neother's Theorem in the Framework of Classical Mechanics
    力学框架下的Noether定理
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    Time Integral Theorems for Holonomic Nonconservative Dynamical Systems in Generalized Classical Mechanics
    广义力学中完整非保守系统的时间积分定理
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    Damage Mechanical Interpretation of Classical Fatigue Empirical Formula
    传统疲劳经验公式的损伤力学解释
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  classical
Tilting modules for classical groups and howe duality in positive characteristics
      
We express them in terms of generatorsEij ofU(gl(n)) and as differential operators on the space of matrices These expressions are a direct generalization of the classical Capelli identities.
      
Classical invariant theory for finite reflection groups
      
We give explicit systems of generators of the algebras of invariant polynomials in arbitrary many vector variables for the classical reflection groups (including the dihedral groups).
      
As an application of the results we prove a generalization of Chevalley's restriction theorem for the classical Lie algebras.
      
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It is pointed out that the settlement due to deviatoric stresses is incorrectly disregarded in conventional methods of calculation. It is shown that the deviatoric tensor of stress can not be neglected, whereas the time dependent response of the soil skeleton to deviatoric stresses should be taken into account. On the base of his theory on the consolidation and flow of clay-layers "the author presents an analysis on several two dimensional problems. It is shown that the total settlement may bo considored as...

It is pointed out that the settlement due to deviatoric stresses is incorrectly disregarded in conventional methods of calculation. It is shown that the deviatoric tensor of stress can not be neglected, whereas the time dependent response of the soil skeleton to deviatoric stresses should be taken into account. On the base of his theory on the consolidation and flow of clay-layers "the author presents an analysis on several two dimensional problems. It is shown that the total settlement may bo considored as consisting of three main compouents, viz. instantaneouss settlement, and settlements due to flow and due to consolidation. Settlement formulas are presented for large values of time. It is concluded that settlements in practice can not be predicted merely from oedometer tests. The consolidation in two dimensional problems turns out to behave quite differently from that of the classical one-dimensional case, as the soil can always deform laterally. The deviatoric stresses are responsible for the instantaneous deflection and the continuous flow of the clay mass.

本文指出現行的沉陷計算方法不考虑因均差应力(Deviatorie stresses)而产生的沉陷是不正确的。文中証明了均差应力張量不能忽略,而土壤的結構对均差应力的反应(与时間因素有关)则必須考虑。作者根据他自己的关于粘土層固結与流变的理論,提供几个二維問題的分析,証明了总沉陷可以分为三部分,卽瞬时下沉,因流变而产生的和因固結而产生的沉陷,并且提出了时間为很大数值时的沉陷公式。可以断言,在实际中,沉陷不能單从压縮試验来估計。在二維問題中,土壤的固结与古典的一維固結情形迥然不同,因为土壤总是有横向膨脹的。均差应力就是粘土在荷載下瞬时下沉(Instantaneous deflection)和不断流变的原因。

In this paper, a method of calculation of heat-transfer rate for blunt-bodies in the case of hypersonic turbulent boundary-layer is presented. In order to transform the compressible and axisymmetrical turbulent boundary-layer flow to an incompressible and two-dimensional turbulent boundary-layer flow, the Mager - - Mangier transformation has been applied. According to the characteristics of hypersonic, turbulent boundary-layer with favourable pressure gradient, the classical single-parameter representation...

In this paper, a method of calculation of heat-transfer rate for blunt-bodies in the case of hypersonic turbulent boundary-layer is presented. In order to transform the compressible and axisymmetrical turbulent boundary-layer flow to an incompressible and two-dimensional turbulent boundary-layer flow, the Mager - - Mangier transformation has been applied. According to the characteristics of hypersonic, turbulent boundary-layer with favourable pressure gradient, the classical single-parameter representation has been chosen for skin-friction and the form factor in the momentum equation; and the error introduced by the transformation is corrected by a suitable choice of the gas temperature according to Eckert's reference enthalpy. Finally, the heat transfer coefficient is obtained by the corrected Reynolds analogy. The results agree well with the available experiments.

本文针对沿钝体表面的湍流热交换率作了理论分析和计算.本文采用了联合转换式把可压缩轴对称边界层问题转化为不可压缩平面问题,并根据超高速顺压力梯度湍流边界层的特点,在动量积分方程中引用经典的单参数的摩擦阻力律和型参数,然后按Eckert参考焓针对气体性质的误差作了修正.最后,根据近似Reynolds比拟关系求得热交换率.计算给果与实验给果是比较符合的.

A general theory for snap-through buckling of an open bimetallic shallow spherical shell under uniform temperature field is presented in this paper. It relates the critical buckling temperature both to physical and geometrical parameters of the shell, including the extent of its central opening as another important factor. Furthermore, they are expressed accordingly by various practical curves. While reducing to the special case of a closed shallow spherical shell, present theory appears to be in good agreement...

A general theory for snap-through buckling of an open bimetallic shallow spherical shell under uniform temperature field is presented in this paper. It relates the critical buckling temperature both to physical and geometrical parameters of the shell, including the extent of its central opening as another important factor. Furthermore, they are expressed accordingly by various practical curves. While reducing to the special case of a closed shallow spherical shell, present theory appears to be in good agreement with earlier work by Wittrick.According to the selection of reference surface of coordinates as suggested by and Radkowski, the basic equations for a double-layered shell are first simplified in forms similar to those of classical shell theory. By analogy, the thermal effect is replaced by an equivalent edge-moment loaded uniformly along both boundaries of the shallow spherical shell. The problem is then solved according to Hu's simplified method, but with some vital modifications. From the results of numerical computations, the paper gives some rather interesting conclusions, which may be valuable in designing the elastic elements of various instruments in engineering.

本文提出了有关开顶双层金属球面扁壳在均匀温度场作用下的稳定性的一般理论,它给出临界跳跃温度与壳体的物理、几何诸参数之间的相互关系,包括其开顶牛径大小也作为一个重要因素.文中并将它们绘成相应的实用曲线.在封顶球面扁壳的简化特例情况下,新理论似与早期wittrick的计算结果趋近一致. 根据与Radkowski建议的坐标参考面的选择方法,我们将双层壳体的基本方程首先简化成与经典壳体理论相似的形式.再通过比拟,以作用于球面扁壳内外边界上的均匀分布的相当边界力矩来替换温度效应.然后采用文献[6]的简化方法作了必要的改进来求解方程.从数值计算的结果,文中给出了一些有趣的结论,它们对于工程上各种仪表弹性元件的设计具有一定的参考价值.

 
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