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 空间曲杆
 spatial curved rods
 BUCKLING OF SPATIAL CURVED RODS WITH CIRCULAR CROSS-SECTIONS 圆截面空间曲杆的屈曲(英文) 短句来源
 space curved bar
 Analysis of Inner Forces of Space Curved Bar Structures 空间曲杆结构的内力计算 短句来源 Based on the geometric characteristies of curves in space, adopting the theory of elaslic analysis and the matries method, the formula of inner forces in normal space curved bar structures have been deduced herein, and the methods analysis for such structure have also been discussed. 本文从空间曲线的几何性质出发，应用结构分析的弹性理论和矩阵方法，推导了一般空间曲杆结构内力计算的理论公式，并对其计算方法进行了讨论． 短句来源
 “空间曲杆”译为未确定词的双语例句
 Finite Element Analysis of Spatially curved Rods 空间曲杆有限元分析 短句来源 The Method of Curved Lever Spatial Rigid Frame of Reinforced Concrete Hyperbolic Shell Structure Analysis and Program Design 钢筋混凝土双曲壳体结构分析的空间曲杆刚架法及程序设计 短句来源 This method makes shell structure simplified and discreted into spatial rigid frame structure. That is the shell be divided into orthogonal or oblique crossing girder system which makes up a spatial frame. Then use method of structural mechanics to analyze the curved lever spatial rigid frame structure. 壳体空间曲杆刚架法是把壳体简化、离散成空间曲杆刚架结构,即将壳体离散成相互正交,斜交的空间曲杆单元组成的空间刚架,采用结构力学方法分析此空间曲杆刚架结构,当划分单元足够多时,此空间曲杆刚架的内力就接近于壳体内力,通过分析空间曲杆刚架结构的内力达到壳体内力分析的目的。 短句来源 Natural coordinate system along the axis of a curved-rod is used to describe the static problems in small deformation,and virtual work equation is in turn utilized to derive the geometric equations of the problems. 用杆轴线的自然标架描写空间曲杆小变形静力学问题,不沿袭通常的方法,即不用杆元变形几何分析方法推导几何方程,采用虚功方程导出几何方程,因此不受平截面假设的限制. 短句来源 The method of curved lever spatial rigid frame is a new simple and practicable numerical method and it is based on the utility of reinforced concrete shell in practical project and used to analyze internal force of shell structure. 空间曲杆刚架法是从钢筋混凝土壳体结构应用的实际出发,对壳体结构内力分析提出的一种新的、简化和实用的数值方法。 短句来源 更多
 相似匹配句对
 Finite Element Analysis of Spatially curved Rods 空间曲杆有限元分析 短句来源 Analysis of Inner Forces of Space Curved Bar Structures 空间曲杆结构的内力计算 短句来源 BUCKLING OF SPATIAL CURVED RODS WITH CIRCULAR CROSS-SECTIONS 圆截面空间曲杆的屈曲(英文) 短句来源 Design of Three Dimensions Prestressed Structure with Curved Beams 空间三维曲杆预应力结构的设计 短句来源 Double-Moment of Spacial Curved Bars With Closed Thin-Wall Cross Section 封闭薄壁截面空间曲杆的双力矩 短句来源

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 The dynamic stress in helical spring has been analyzed with a spatial mechanical model for bent lever and an analytic solution for the partial differential equation has been found. A dynamic optimal design for the spring is then carried out. The objective function for optimization is based on the minimization of the maximum dynamic shearing stress in the spring. The mixed discrete variables optimization program CVM02 is used, and the design results are found to be satisfactory. 本文采用空间曲杆力学模型对圆柱拉压螺旋弹簧进行了动态分析,求出了动态微分方程组的解析解。在此基础上,对弹簧进行动态优化设计,建立了以最大动载应力最小为目标函数的优化数学模型,采用混合离散变量优化程序CVM02,得到了合理可靠的优化设计方案。 The experiment with the plate helicoidal stairs expresses that there is a big error aecording to the troditional theory of spatial curve bar we evaluate the internal forces by cal-culus of variations, taking the Spatial duality of structure into eonsideratien We look on the ring-like qlate as a cal-culating model and neglect the effect of the membrane forces. The outcome of the experinent supports the theory proposed in the article. 旋梯模型试验表明板式螺旋楼梯按传统的空间曲杆理论分析误差很大,从而提出考虑结构的空间特性,以环形平板作为计算模型,忽略薄膜力的影响,应用变分法求解的内力分析方法。本文方法与实验结果甚为接近。 Based on the geometric characteristies of curves in space, adopting the theory of elaslic analysis and the matries method, the formula of inner forces in normal space curved bar structures have been deduced herein, and the methods analysis for such structure have also been discussed. 本文从空间曲线的几何性质出发，应用结构分析的弹性理论和矩阵方法，推导了一般空间曲杆结构内力计算的理论公式，并对其计算方法进行了讨论． << 更多相关文摘
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