Application of dual reciprocity hybrid boundary node method in structural modal analysis 双互易杂交边界点法在结构模态分析中的应用
Theory and Application of Hybrid Boundary Node Method Based on Dual Reciprocity Method 基于双互易法的杂交边界点法及其应用研究
The hybrid boundary node method ( HBNM) and the dual reciprocity method ( DRM) are combined for solving potential problems in this paper. 提出了将杂交边界点法和双重互易法结合求解势问题的一种新的算法。
Hybrid boundary node method for dynamic fracture mechanics problem 杂交边界点方法求解动态断裂力学问题
Dual reciprocity hybrid boundary node method in elasticity problems 弹性力学问题中的双重互易杂交边界点法
With the criterion of boundary node releasing from die applied to three dimensional finite element backward simulation of precision forging process of blade, the reasonable preform shape of blade is obtained. 将所确定的脱模准则应用到叶片精锻三维有限元反向模拟程序中,可得到合理的叶片预成形毛坯形状。
The singular hybrid boundary node method ( SHBNM) is proposed for solving three~ dimensional problems in linear elasticity. 提出了一种求解三维线弹性问题的奇异杂交边界点方法。
Hybrid boundary node method in geotechnical engineering 岩土工程中的杂交边界点方法
The full transformation method deals with each boundary constraint node, and for stiff matrices and displacement vector, using operator transformation, relative operator calculation is performed. 全变换方法用于处理每一边界约束点,对刚度矩阵和位移矢量作相应的算子运算。
Basic solutions of displacement for short and deep beam is analyzed. The simplified methods by which high order distributed load on boundary can be transformed into node force are reviewed. 分析了短深梁位移的基本解,评述了有限元解法中关于高次分布力简化为节点力的问题。
The concept of extended boundary node was presented. By using finite difference method, the solution of the gained difference equations was given and simulated by computer. 由此提出了扩展边界节点的概念,并使用有限差分法,对所得到的差分方程组进行了计算机求解及模拟。
2-D simulation of electrostatic properties of piezoelectric composites using the boundary node method 用于模拟压电复合材料平面问题的边界点法
The coupling equation was assembled with the boundary condition of attached node and the initial condition of static. 以主节点运动为边界条件,以静态构型为初始条件,建立完整耦合动力学方程。
Direct computation of singular integrals in hybrid boundary node method 一种用于杂交边界点法的奇异积分处理方案
On the basis of the inverse die contact tracking method, the track fit revising method is put forward to establish the criterion of node detaching from die, and the time sequence of boundary node releasing from die is determined. 在反向模具接触跟踪方法的基础上,提出了采用跟踪拟合修正方法来建立有限元反向模拟的脱模准则,并采用该方法确定了叶片精锻三维有限元反向模拟中边界节点脱离模具的时间序列。
And ( 3) due to suppression of grain boundary slip at triple grain boundary node, the high ∑& value and random grain boundary among the three boundaries of tricrystal crack easily during cyclic deformation. 三叉晶界的节点抑制了晶界滑动,是形变不协调较大的区域,造成较大的应力集中,尤其三条晶界中的高∑值的或随机的晶界,往往是沿晶开裂的优先部位。
The remarkable feature of FA method is to derive an analytic solution for the center node point of the cell with an approximate boundary function which satisfies the boundary node value of the cell. 有限分析方法的突出特点是在有限单元边界上构造满足节点函数值的近似边界函数,用分离变量的方法,求得满足近似边界函数条件的中心节点处的分析解。
A New Hybrid Boundary Node Method for Two-dimensional Potential Problem 二维势问题的杂交边界点法
Theoretical Study and Application of Singular Hybrid Boundary Node Method 奇异杂交边界点法理论研究及应用
The whole process of integration is carried on over a local domain or its local boundary centered at the node in question. However, the proposed method has to use background cells to complete auxiliary computation. 整个积分是在以节点为中心的局部域及其边界上实现,所以不需要背景积分网格;然而,在紧支径向基函数点插值方法的实现过程中,仍需要背景积分网格进行辅助计算。
Then the reaction and penetration coefficient of the wave are derived according to the boundary condition at the conjunct node of two transmission line with different parameters. 继之,根据参数不同的两对传输线连结处的边界条件,求出波的反射与透入系数;
Singular Hybrid Boundary Node Method for 2D Elastostatics 二维弹性静力学的奇异杂交边界点法
In this paper, the basic steps of finite element backward simulation technique are introduced, and the method of determining the criterion of boundary node releasing from die in backward simulation is summarized. 为此,本文介绍了有限元反向模拟的基本步骤,综述了确定反向模拟中边界节点脱模准则的方法。
Setting "0" type area and void element in finite element program, and automatically recognizing number of the new dogged boundary node, bringing the method of unloading to calculate the transformation of large cavity underground and the stress of surrounding rock by constructing stages. 在有限元程序中设置0类区和虚单元,程序能自动识别新开挖边界节点号,并通过施加卸荷荷载的方法计算大型地下洞室分期施工各阶段的围岩变形和应力。
This paper proves theoretically that the FA solution in the center point of the FA element is stable to the functional value of the boundary node point and to the change of the boundary function. 从理论上证明了节点函数值的微小变化以及边界函数值的选取对中心节点处解的影响是稳定的。
In this paper, a boundary element method employing an automatically modifying contact node method is presented to analyse the contact problem, in which slipping of contact bodies is larger, and contact bodies have a basic contact couple. 用边界元法针对一类具有接触基准点且滑移较大的弹性接触问题,提出了一个自动修正接触节点对以消除较大误差的求解方案。
According to the characteristics of two-dimensional turbulent boundary layer flow, the spacing of the grid node near the wall is smaller and the distance is gradually increasing that is away from the wall. 结合二维湍流边界层流动的特点,网格节点间距靠近壁面处取较小值,离壁面远处逐渐加大,既提高了计算精度,又提高了计算效率。
At the same time, the modified boundary conditions are applied in hybrid boundary node method. 通解通过杂交边界点法求得,同时在使用杂交边界点法的过程中应用修正的边界条件。
Planning from the partition function and image area construction, road planning, boundary treatment, landscape node layout, markers in the design of these aspects for reference. 规划从功能分区与意象区域营造、道路规划、边界的处理、景观节点的布置、标志物的设计这几个方面进行借鉴。
Through studying the parallel characteristics of the modification and boundary equivalents of the node impedance matrix, a parallel algorithm combining large grained blocking storage with message passing is proposed. 提出了基于分块存储和消息传递的节点阻抗阵并行修改方法。