| 1. | Block successive over relaxation 块逐次超松弛 |
| 2. | An accelerated overrelaxation iterative method of linear systems with strictly diagonally dominant matrix 具有严格对角占优矩阵的线性系统的加速超松弛迭代法 |
| 3. | Overlapping , nonoverlapping and overrelaxation ddm are discussed . electromagnetic ( em ) scattering by electrically large open - ended cavities is analyzed by ddm / fem - bie 讨论了重叠ddm 、非重叠ddm和超松弛ddm的迭代过程及其在eb一fem中的应用。 |
| 4. | Nonphysical time is introduced and the lower - upper symmetric successive over - relaxation ( lu - ssor ) scheme is modified in navier - stokes equations . an application to natural unsteady viscous flow is presented to check for the capability of the procedure 在原控制方程中引入伪时间导数项,对上下对称逐次超松弛( lu - ssor )格式进行了修正。 |
| 5. | The direct numerical simulation methods for turbulent spots in the channel , open - channel and boundary layer flows are built respectively . effective algorithms composed of time - advancing , over - relax iteration and multiple grid methods are planned to raise computational efficiency 分别建立了适用于在槽道、明渠和平板边界层流动中直接模拟湍斑的数值方法,并精心设计了时间推进、超松弛迭代和多重网格等高效算法,以提高计算效率。 |
| 6. | Non - oscillatory and non - free - parameters dissipative ( nnd ) finite difference scheme ( a total variation diminishing scheme ) with second order accuracy was adopted to solve the fluid dynamic equations , a finite rate chemical reaction model was developed to calculate ingredient producing rate , and an adi over relaxation iteration technique was used to solve the electromagnetic discretized equations 采用二阶精度nnd格式求解流体力学方程组,采用有限速率化学反应模型计算组分生成率,采用交替方向隐式( adi )超松弛迭代法求解电磁场离散方程。 |
| 7. | At the same time , the mathematical models of the electric field and the flow field distribution were established from the theory of electrostatic enhancement of heat transfer . employed finite differential method and over - relaxation iteration method , according to certain boundary conditions in the wire - plate electrode space , the electric field and the flow field in the wire - plate space were numerically simulated under different initial velocities of r11 stream and different magnitudes of applied voltage . the calculation results agreed with theoretical analysis satisfactorily 同时从静电强化换热理论出发,建立了表征线板电极间的电场和流场分布的数学模型,并根据线-板电极间的边界条件,利用有限差分法和超松弛迭代法,分别就不同气流初速度和不同外施电压的情况下,对线-板空间的电场和流场进行了数值模拟,计算结果与理论分析基本一致。 |
| 8. | To obtain the parameters of measuring magnetic circuit structure , theory research is done . theory research based on overrelaxation : according to electromagnetic theory fundamental equation , boundary condition is analyzed , iterative formula is deduced , overrelaxation factor is selected and calculation program is composed 并根据麦克斯韦电磁场基本理论建立了磁路结构模型,使用超松弛迭代法对测量磁路结构的磁场进行了理论分析,得到了适于用在行程传感液压缸行程测量的磁路参数之间的关系。 |
| 9. | Theory research based on overrelaxation : according to electromagnetic theory fundamental equation , boundary condition is analyzed , iterative formula is deduced , overrelaxation factor is selected and calculation program is composed . through calculation on varied parameter , a group of suitable parameter is found out . in the third chapter : the conclusion of theory research is verified through experiment 理论研究使用超松弛迭代法:根据麦克斯韦电磁理论基本方程,建立了磁场浙江大学博士学位论文:行程传感液压缸基础技术的研究分析数学模型,分析了边界条件,推导了迭代公式,确定了松弛因子,编制了运算程序,通过对不同参数的试算,找到了一组有规律参数之间的关系。 |