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大挠度问题     
相关语句
  large deflection problem
     The Solution of Integral Equation of Plate and Shell Large Deflection Problem
     板壳大挠度问题的积分方程解
短句来源
     Large Deflection Problem of Circular Plates with Variable Thickness under the Action of Combined Loads
     在复合载荷作用下变厚度圆薄板大挠度问题
短句来源
     The Relation of von Karman Equation for Elastic Large Deflection Problem and Schrodinger Equation for Quantum Eigenvalues Problem
     弹性大挠度问题von Kármán方程与量子本征值问题Schrdinger方程的关系
短句来源
     In this paper,we analyse the large deflection problem of the shallow spherical shells with variable thickness by means of boundary element method.
     本文利用边界元方法分析了变厚度扁球壳的大挠度问题.
短句来源
     Further Study of the Relation of von Karman Equation for Elastic Large Deflection Problem and Schrodinger Equation for QuantumEigenvalues Problem
     再论弹性大挠度问题von Kármán方程与量子本征值问题Schrǒdinger方程的关系
短句来源
更多       
  problems of large deflection
     The FPPM Solutions for the Problems of Large Deflection of Axisymmetric Circular Plate
     轴对称圆板大挠度问题的自由参数摄动法解
短句来源
     In the problems of large deflection of clamped circular plates under uniformly distributed loads, various perturbation parameters relating to load, deflection, slope of deflection, membrane force, etc. are studied. For a general perturbation parameter, the variational principle is used for the solution of such a problem.
     本文研究了在用正规摄动法求解均布载荷下的圆薄板大挠度问题时,与载荷,挠度,转角,内力等有关的各种摄动参数,并对一般摄动参数情形用变分原理求得了解答本文从实验的角度阐明了各参数的适用范围,结果表明,相应的解答与用中心挠度为参数的解有较好的一致性;
短句来源
     Extending the perturbation method to the anisotropic plates is the aim of the paper. The problems of large deflection in the Cylindrical orthotropic thin circular plates are analyzed under some various loads and boundary conditions by the perturbation method.
     本文旨在将摄动法推广到各向异性板中去,应用摄动法分析了圆柱正交各向异性薄圆板大挠度问题,并对几种重要的载荷和边界条件给出了分析结果。
短句来源
     In this paper problems of large deflection for orthotropic rectangular plate underthe non-uniform transverse load are studied by using "the method of two-variables" and "themethod of mixing perturbation". The uniformly valid asymptotic solution of Nth-order for ε1and Mth-order for ε2 for an orthotropic rectangular plate with two neighboring edges clampedand the orther free are obtained.
     使用“两变量法”和“混合摄动法”对非均布横向载荷作用下的正交各向异性板的大挠度问题进行了研究,获得了两邻边固定两部边自由正交各向异性矩形板对ε1为N阶和对ε2为M阶的一致有效渐近解.
短句来源
  big deflection
     Dynamical big deflection and application of elastic Timoshenko beam
     弹性Timoshenko梁的动力学大挠度问题及应用
短句来源
  “大挠度问题”译为未确定词的双语例句
     Perturbation Finite Element Method for Solving Large Deflection Problems of Plate and Shell
     板和壳体大挠度问题的摄动有限元法
短句来源
     Fundamental Equations of Large Spatial Deflection Problems of Rods and Its Application to Drilling Engineering
     细杆空间大挠度问题的基本方程及其在钻井工程中的应用
短句来源
     LARGE DEFLECTION PROBLEMS OF CIRCULAR THIN PLATE WITH AXISYMMETRICALLY ARBITRARY VARIABLE THICKNESS
     轴对称任意变厚度圆薄板的大挠度问题
短句来源
     The nonlinear vibration comparing on the problem of maximum deflection of fine column
     细长压杆大挠度问题非线性振动比拟
短句来源
     The elastic finite-deformation problems be bring into the theoretical system of Lagrangian mechanics, the basic equations of finite-deformation for plane-strain problems andplane-stress problems be builded by the Routh method in classical mechanics,the contradictionin von Kdrmdn equation of finite-deformation large-deflection problems be disussed, and thenew plan be proposed in this paper.
     将弹性有限变形问题纳入Lagrange力学的理论体系中,并用经典力学中业已存在的Routh方法构建了有限变形平面应变问题和有限变形平面应力问题的基本微分方程,讨论了有限变形大挠度问题vonkarman方程中存在的矛盾进而提出了两种改进方案.
短句来源
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  large deflection problem
Regularizations of quasilinear stationary problems related to the membrane large deflection problem
      
The large deflection problem of circular thin plate with variable thickness under uniformly distributed loads
      
The solution of large deflection problem of thin circular plate by the method of composite expansion
      
In this paper, the method of composite expansion in perturbation theory is used for the solution of large deflection problem of thin circular plate.
      
A discussion on "The large deflection problem of circular thin plate with variable thickness under uniformly distributed loads"
      
更多          
  problems of large deflection
In the problems of large deflection of clamped circular plates under uniformly distributed loads, various perturbation parameters relating to load, deflection, slope of deflection, membrane force, etc, are studied.
      
The formulation has been validated for problems of large deflection and rotation, and for problems involving initially curved members.
      
A dual reciprocity boundary element approach for the problems of large deflection of thin elastic plates
      
Therefore, a `pure' boundary element approach for the problems of large deflection of thin elastic plates can be achieved.
      


In 1939, the importance of the nonlinear features in the shell buckling problem was first pointed out in a most spectacular manner by Von Karman and Chien, but the mathematical difficulty is so great that progress has been slow after the first attempts. According to our experience, we should face the difficult barrier of solving nonlinear partial differential equations and an effective, simple, accurate method is required. With this in mind, we suggest the modified iteration method. four cases are considered...

In 1939, the importance of the nonlinear features in the shell buckling problem was first pointed out in a most spectacular manner by Von Karman and Chien, but the mathematical difficulty is so great that progress has been slow after the first attempts. According to our experience, we should face the difficult barrier of solving nonlinear partial differential equations and an effective, simple, accurate method is required. With this in mind, we suggest the modified iteration method. four cases are considered to verify it. Here is one of the cases in which nonlinear stabilities of thin circular shallow shells under actions of axisymmetrical uniformly distributed line loads are considered. As special cases, we have also investigated large deflections of plates under the same loads. All these results are presented in such a form that direct application in design is possible. Two stability curves coincide with the experimental results given by D. G.Ashwell and Chien Wei-chang. The results have also been compared with several other writers'.

本文对边緣簡单支承在对称綫布载荷作用下园底扁薄球壳的非线性稳定問題进行了研究。用我們提出的修正迭代法求出了决定上下临界載荷的二次近似的解析公式並画成曲綫以供工程应用。作为特殊情况,我們附帶地得出了边緣簡单支承中心集中载荷作用下的园底扁薄球壳的非綫性稳定問題,边緣簡单支承在对称线布載荷作用下和中心集中載荷作用下的园板大撓度問題的解。所得結果和两种不同的实驗进行了比較,理論值和实驗值相当符合。对于中心集中載荷作用下的园板大挠度問題,我們的結果和文献[16]用摄动法得到的完全相同。

In 1939, the importance of the nonlinear feature in the shell buckling problem was first pointed out in a most spectacular manner by von Karman and Tsien.but the mathematical difficulty is so great that progress has been slow after the first attempts. According to our experience, we should face the difficult barrier of solving nonlinear differential equations and an effective, simple, accurate method is required. On the other hand, modern rapid developements in technics, such as aeronautical, naval, structure,...

In 1939, the importance of the nonlinear feature in the shell buckling problem was first pointed out in a most spectacular manner by von Karman and Tsien.but the mathematical difficulty is so great that progress has been slow after the first attempts. According to our experience, we should face the difficult barrier of solving nonlinear differential equations and an effective, simple, accurate method is required. On the other hand, modern rapid developements in technics, such as aeronautical, naval, structure, precise instrument manufacturing and automatic control engineerings require keenly these problems to have accurate, reliable theory results for direct design use. With such background, we suggest the modified iteration method and have worked out four cases for the purpose of certaining it. This is the one, in which nonlinear stability of thin elastic circular shallow spherical shell under the action of uniform edge moment are considered. As a special case, we also investigate large deflection of circular plate under the same load.

本文对边缘简单支承在边缘均布力矩作用下的弹性圆底扁薄球壳的非线性问题进行了研究。用我们提出的修正迭代法求出决定上下临界载荷的二次和三次近似方程。结果画成曲线以供工程应用.并将此结果和胡海昌的结果进行了比较,我们还研究了临界点,即上下临界载荷相重点附近的情况,并指出二次近似的适用范围。文末还附带得出本问题的特殊情况:相同边缘支承和载荷下的圆平板大挠度问题的刚度设计公式及p=0.3的相应曲线,并与黄择言用摄动法得到的结果进行了比较。

In the problems of large deflection of clamped circular plates under uniformly distributed loads, various perturbation parameters relating to load, deflection, slope of deflection, membrane force, etc. are studied. For a general perturbation parameter, the variational principle is used for the solution of such a problem. The applicable range of these perturbation parameters are studied in detail. In the case of uniformly loaded plate, perturbation parameter relating to central deflection seems to be the best...

In the problems of large deflection of clamped circular plates under uniformly distributed loads, various perturbation parameters relating to load, deflection, slope of deflection, membrane force, etc. are studied. For a general perturbation parameter, the variational principle is used for the solution of such a problem. The applicable range of these perturbation parameters are studied in detail. In the case of uniformly loaded plate, perturbation parameter relating to central deflection seems to be the best among all others. The method of determination of perturbation solution by means of variational principle can be used to treat a variety of problems, including the large deflection problems under combine loads.

本文研究了在用正规摄动法求解均布载荷下的圆薄板大挠度问题时,与载荷,挠度,转角,内力等有关的各种摄动参数,并对一般摄动参数情形用变分原理求得了解答本文从实验的角度阐明了各参数的适用范围,结果表明,相应的解答与用中心挠度为参数的解有较好的一致性;对均布载荷的情形,中心挠度仍可看做是较为合适的摄动参数;本文推荐的摄动参数及用变分原理确定摄动解的方法,具有普遍的适用性,可以用来处理载荷联合作用等更为复杂的情形.

 
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