| 1. | A new stable difference scheme for solving equation of bi - parabolic type
解双抛物型方程的新的恒稳差分格式 |
| 2. | The solving equation function of excel and the use in chemistry and chemical engineering
的方程求解功能及其化学化工应用 |
| 3. | A family of absolutely stable difference schemes for solving equation of high order schr dinger type
四阶抛物型方程的一族高精度恒稳的差分格式 |
| 4. | Tthe iterative method is the most important and convenient one for solving equations in the form of f ( x ) = 0 in c ( orr ) space
迭代法是解实或复空间中形如： f ( x ) = 0的方程的最重要的方法。 |
| 5. | Set up the position and pose positive solving equation . because of the difficulty of the positive solving equation , using newton iterative method , one of the mathematical analysis methods , is an easy way to solve this equation
建立了机构的正解方程，由于并联机构的位姿正解比较难，因此采用数值分析方法中的牛顿迭代法进行求解。 |
| 6. | Abstract : numerically solving equations governing the variations of the beam size and the curvature of wave front in the logarithmically nonlinear media ( lnm ) , the propagating characteristics of gaussian beams have been described in detail
文摘:根据对数型非线性介质中高斯光束的束宽和波阵面曲率变化所满足的耦合方程，采用数值计算对高斯光束的传输特性进行了详细的分析。 |
| 7. | To select a cylindrical plane cathode ; to design proper focus electrodes in order to control the formation of beam in methods of solving equations , electrobath and simulation aided by computer . to correct effects of anode hole and work out curves of designing guns ; to discuss plasma cathode guns at last
选用圆形平面阴极;设计恰当的聚束极形状以控制电子束的成形,并使用解析法、电解槽法和数值方法三种方法进行设计;考虑阳孔效应对电子束传输的影响,修正阳孔效应,给出电子枪设计曲线;最后讨论一下等离子体阴极电子枪。 |
| 8. | Radial point interpolation meshless method with unequal - rank polynomial basis is selected and its shape function formed manner is discussed . then , the mainly solved equations for plane strain biot consolidation problem with this method are given . moreover , the according calculation program is written
本文探讨了不等阶(多项式基)径向点插值无单元法形函数插值格式，给出了其求解平面应变下比奥固结问题的主要方程，编写了相应的计算程序，并对软基路堤的沉降进行了非线性计算，取得较满意的结果。 |
| 9. | The solving steps are as follows : the field is divided into three regions by the cylindrical surface of the finite - length cylinder and the location of the delta - coils . because " the surface current source is placed at the interface , the non - homogenous restricted equation on the magnetic vector potential is transformed into the homogenous helmholtz equation . by using the method of separation of variables to solve equation and according to the interface conditions and the condition at infinity to determine the unknown constants , the expressions for the magnetic vector potential of the three regions are solved out
在求解过程中，假定放置式圆柱线圈是由无穷多个对称圆环线圈密饶而成，首先求解含有有限长磁芯的通电对称圆环线圈的电磁场：以有限长圆柱磁芯的侧面和圆环线圈所在圆柱面为分界面将场域划分为三个小区域，由于场源放置在内边界面上，使得关于矢量磁位的非齐次约束方程转化成齐次亥姆霍兹方程，利用分离变量法求解，根据分界面郑州大学硕十研究生毕业论文摘要条件以及无限远条件确定待定常数，从而得到各场区矢量磁位的表达式。 |
| 10. | Then fourier transformation is employed to solve equations of motion of the rings , bulkheads , stringers and fluid respectively , with their reactions ( moments ) expanded by the shell ' s in - vacuo modes . by means of continuity conditions on the interfaces between the shell and the stiffeners as well as the fluid , and inverse fourier transformation , the modal reactions ( moments ) are finally expressed by the shell ' s modal velocities
然后用fourier变换分别求解环肋、舱壁、纵骨和流场的运动方程，将它们对壳体的作用力(力矩)用壳体周向模态展开，利用它们与壳体在连接处位移连续条件以及fourier逆变换得到用壳体速度表示的模态相互作用力(力矩) 。 |
