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复杂壳体
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  complex shell
     NC Machining Technology of Complex Shell Parts
     复杂壳体零件数控加工技术
短句来源
     In order to solve the SL model replacing the metal or wooden mold question in the complex shell quick casting.
     为解决复杂壳体快速铸造中SL模型代替金属、木模具的问题,分析数据处理过程对造型工艺的影响; 针对不同精度需求,可采取多项措施;
短句来源
     Optimal Forming Design for Complex Shell Plastic Articles
     复杂壳体塑件的成型优化设计
短句来源
     Optimised Design & Molding Study on Complex Shell Plastic Article
     复杂壳体塑件的优化与成型研究
短句来源
     The characteristics of complex shell parts and the difficulties of machining were analyzed. The machining technology to ensure precision was presen ted.
     分析复杂壳体零件结构特点,加工难点,阐述了保证零件精度的数控加工技术。
短句来源
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  complex shells
     Study on the Laser Technology Removing Burrs of complex shells
     复杂壳体激光去毛刺技术的研究
短句来源
  “复杂壳体”译为未确定词的双语例句
     The Application of UG-CAD/CAM on Complex Parts —One of Application Study for UG Software
     UG-CAD/CAM在某复杂壳体上的应用——UG软件应用研究之一
短句来源
     Research on rapid sand cast of complex archetypal hull based on SL
     基于SL模型的复杂壳体快速铸造的研究
短句来源
     The special problems with the complicated shell structure are dealt with by using the master-slave technique, penalty element and boundary spring element.
     采用主从节点技术、罚单元和边界弹簧单元处理了复杂壳体结构的特有问题;
短句来源
     The first one is about the dynamic behavior of stiffened shells under mechanical and thermal loading which is a part of the project “Dynamics of Complex Structures”jointly supported by the Natural Science Foundation of China (NSFC) and China Aerospace Corporation.
     第一部分结合自然科学基金委员会和航天工业总公司联合资助项目“复杂结构动力学”子课题—“开口加肋壳热/屈曲/振动耦合分析”,研究了复杂壳体结构在机械/温度荷载作用下的屈曲分析、几何非线性分析、热/屈曲/振动耦合分析、动力响应分析及随机响应分析等问题。
短句来源
     ANALYSIS ON CRACKING BREAKAGE OF COMPLEX SHELLY PRODUCT BY CAE
     复杂壳体制件开裂破坏的CAE分析
短句来源
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  complex shell
The similitude research on underwater complex shell-structure based on SEA
      
In this paper, the vibration and sound radiation of the underwater complex shell-structure which is the cylindrical shell with hemi-spherical shell on the ends are studied by statistical energy analysis (SEA).
      
The similitude relations of input power, coupling loss factor and modal density of the subsystems between the complex shell-structure and its scaled-down model are analyzed.
      
Investigation of acoustic scale effects and boundary effects for the similitude model of underwater complex shell-structure
      
In this paper, the acoustic scale effects and boundary effects for the similitude model of underwater complex shell-structure are investigated.
      
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  complicated part
From the micromorphological viewpoint, the stomach is by far the most complicated part of the digestive tract of Porcellio scaber.
      
A recurrent model has been developed for automating the calculation of the most complicated part of the chain: lines with distributed parameters and quantities.
      
The strengthening treatment of a complicated part, namely, a sixteen-valve head of a cylinder block, is considered.
      
As mentioned, the whole integration system is the most difficult and complicated part, and software plays an important role in success of integration.
      
It is Step 4 that is the most complicated part of our algorithm and it deserves a section of its own.
      
更多          
  complex shells
Linear and Nonlinear Problems on the Elastic Deformation of Complex Shells and Methods of Their Numerical Solution
      


A method is presented here for the dynamic analysis of arch dams by means of vibration modes of one dimensional arch and cantilever elements. Each element may further be broken up into two subsystems, the one deflects in its own plane, while the other deflects perpendicular to it. The conditions of coincidence of six de flection components (3 translational and 3 rotational) at intersection points between arch and cantilever elements are used to eliminate the redundant degrees of freedom and finally we obtain...

A method is presented here for the dynamic analysis of arch dams by means of vibration modes of one dimensional arch and cantilever elements. Each element may further be broken up into two subsystems, the one deflects in its own plane, while the other deflects perpendicular to it. The conditions of coincidence of six de flection components (3 translational and 3 rotational) at intersection points between arch and cantilever elements are used to eliminate the redundant degrees of freedom and finally we obtain a highly simplified form of dynamic equation of the structure. Practical examples show fair agreement with the results of other methods, but the computer time and storage have been greatly saved.

本文将拱坝这样一种几何形状和边界条件都比较复杂的壳体结构划分为梁拱两组 子结构,利用它们的一维模态建立动力方程求解振动问题。实例表明计算简便、节约 内存并达到较高的精度。方法可适用于一般板壳结构的动力分析。

This paper suggests the use of the least square collocation method to analyse the nonlinear problem of axisymmetric static buckling for orthotropic shallow spherical shell containing a circular hole under uniformly distributed pressure and ring loading around hole. The numerical examples show that the method of this paper possesses advantages, such as the stabie convergence and the good accuracy as compared with other methods. Furthermore, this method can be readily extended to more complex problems.

本文采用最小二乘配点法分析正交各向异性开孔球形扁壳在环形载荷或均布载荷作用下的非线性轴对称屈曲问题。计算表明本文的方法与其他的方法比较县有收敛稳定和较好的精度。此外,本方法易于推广应用到更复杂的壳体屈曲问题。

The new method of elasto-plastic finite element analysis--plastic nodemethod and its physical background is studied by variational principle and assumption of discretizing plastic flow rule. It is shown that essentials of the method is the discretion of plastic flow rule and that the method is modified in general meaning. Solutions of typical plate/shell and complex shell structure show that the computed results agree to that of references and experiment quite well. It suggests .that present analysis is feasible...

The new method of elasto-plastic finite element analysis--plastic nodemethod and its physical background is studied by variational principle and assumption of discretizing plastic flow rule. It is shown that essentials of the method is the discretion of plastic flow rule and that the method is modified in general meaning. Solutions of typical plate/shell and complex shell structure show that the computed results agree to that of references and experiment quite well. It suggests .that present analysis is feasible and reliable in elasto-plastic analysis of shell structures.

本文采用变分原理及离散塑性流动定律假设研究了弹塑性有限元的新方法—塑性节点法及其所表示的物理意义。结果表明:该方法的物理实质是所述的塑性流动定理的离散。在一般意义下,本文对其进行了修正,典型板壳例题和复杂壳体结构的弹塑性有限元分析显示,计算结果与文献资料和实验数据符合较好。证明用文中方法进行壳体结构的弹塑性分析是行之有效的和可靠的。

 
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