任意形状

• The current approaches including code methods to calculate stress losses due to anchorage set exist several shortcoming , such as unsuitable to different profiles of tendons or very complicated to compute due to sectional analysis . based on classical theory of friction when tendons are stretched in post - tensioned concrete members , the unified method to calculate the stress losses in tendons due to anchorage set while considering the affection of reverse friction has been established , these formulae are suitable to be used in computer ; also approximate formulae are produced which are suitable to manual computation , they are easy to be applied in research or design
  针对目前预应力钢筋锚固时钢筋回缩引起的预应力损失计算方法中存在的问题，建立了考虑反摩阻影响的后张法预应力混凝土桥梁锚固损失的统一计算式，适用于任意形状的预应力钢筋和单、双端张拉的情形；给出了适于机算的理论公式和适于手算的近似计算式，可方便地应用于研究和工程实践。
• Whereas block element of interface element method ( iem ) could be arbitrary shape , the interfaces between block could describe the phenomenons of slip and crack , analysis of mesomechanics of concrete applying iem is appropriate . the model and arithmetic of iem is introduced in the paper
  鉴于界面元离散模型中的块体元可以为任意形状，块体元交界面的界面又能描述滑移或开裂现象，将其应用于混凝土多相材料的细观力学行为分析及其对宏观性能的影响是很合适的。
• This software can be used to construct automatically 16 electrodes and 32 electrical electrodes finite element method ( fem ) division model . the equi - potential lines in any drive pattern can be plotted and the boundary potential changes in its forward problem can be obtained . using back projection method , the impedance imaging in simulation and real measurement can be reconstructed
  该软件对任意形状、结构的场域可实现自动剖分，可建立16电极、 32电极求解模型；正问题部分可给出各种激励情况下的等位线分布和边界电位变化情况；逆问题部分用反投影法实现了图像重构，并成功应用于所研制的测试系统。
• The effective optimize technology , the expression and management of packing solid are the two key technologies for solving this problem to utilize existing literature , a packing system is developed on the basis of autocad with simulated annealing algorithm ( sa ) , which is propitious to general three - dimensional packing problem
  有效的优化技术，对布局实体的表示和处理，是解决三维布局问题的两个关键。本文论述了在现有研究成果的基础上，采用适合于解决一般性三维布局问题的模拟退火算法，在autocad图形系统上开发用于解决任意形状三维物体布局问题的自动布局系统。
• For the first time we investigate detailedly on the theory of the conductor - centered arbitrarily - shaped helical groove structure . we divide the arbitrarily - shaped helical groove into many consecutive small rectangle area to approximate the original groove . the recurrence relation of the admittance is obtained
  首次对具有中心导体轴的任意槽形螺旋槽结构的普遍理论进行了研究，通过以多层矩形阶梯来近似代替任意形状槽的边界的方法，同时对导纳的递推关系进行了详细的推导。
• The major work is as follows : solution of two dimensional radiation or diffraction fluid field . this thesis extends multipole expansion method to adapt to disturbed fluid fields of 2d floating bodies with asymmetric forms , which is applied with symmetric forms originally . and given the solution of potential velocity and hydrodynamic pressure of radiation and diffraction fluid fields , which is incited by a 2d arbitrary form , actual application field of the multipole expansion method has been enlarged
  关于二维扰动流场的求解：将通常仅适宜求解具有对称形状二维物体扰动流场的多极展开法(保角变换方法)扩展至非对称形状二维物体，给出了任意形状二维物体的辐射和绕射流场的速度势及水动压力的频域解，进一步扩大了多极展开法的实际应用范围。
• For some typical configurations of the inclusions , for example , for spherical or ellipsoidal inclusions , the thermal conduction problem of the composite can be solved without much difficulty using self - consistent method . but for arbitrary geometry of particulates , such as polygon or other irregular configurations , the analytical solution is impossible or hard to obtain
  自洽方法可以很方便的求解典型颗粒如球形和椭圆形夹杂的复合材料的热传导问题，但是对于任意形状夹杂如多边形或其它不规则形状的复合材料的热传导问题，多数情况下很难得到其解析解。
• Abstract : from a universal formula for calculating the attenuation cross section of particles in arbitrary shapes , exact expressions for calcualting the attenuation cross section of polydisperse , small spheroids , whose rotary axes are in specific status , have been derived . attenuation cross sections of both liquid and ice particles in different shapes at different wavelengths in microwave band have been computed and analyzed . the results are informative to microwave remote sensing of precipitation
  文摘:从计算任意形状粒子的衰减截面普遍公式出发，推导出了小旋转椭球粒子群旋转轴处于不同状态时的衰减截面函数表达式，并计算分析各种状态下衰减截面随降水粒子相态、形状和入射波波长的变化特征，所得结果可用于降水微波遥感。
• The tdp system is based on the objectarx technique , autocad database and the vc + + development language . the characteristics of the configuration class is described based on the object - oriented technology and series of modules and algorithm of detecting interference are designed . in the end , the packing result without constraints of the arbitrary geometry component is realized
  本文基于objectarx技术，以autocad数据库为操作背景，用vc + +作为开发语言，根据模拟退火法构建了多目标函数，通过面向对象技术对布局类进行了特征描述，设计了一系列的操作模块和干涉检验的算法，完成了对无约束的任意形状三维实体的布局。