| 1. | Integral operator solving process of the boundary value problem of abstract kinetic equation with generalized periodic boundary conditions 具广义周期边界条件之抽象动力方程边值问题的积分算子求解法 |
| 2. | In this thesis we consider the homoclinic orbits for the perturbed quintic and derivative nonlinear schrodinger equations with periodic boundary conditions 本文主要研究具五次和导数项的非线性schr ( |
| 3. | In this case , we establish the persistence of invariant manifolds for certain perturbation of the cqs equation under even periodic boundary conditions 在这种情况下,我们对方程作了一些相平面分析,并得到了在扰动之后不变流行的保持性。 |
| 4. | In chapter 2 , we discuss the existence of homoclinic orbits for a perturbed cubic - quintic nonlinear schrodinger ( cqs ) equation with even periodic boundary conditions 第二章研究三次?五次非线性schr ( ? ) dinger ( cqs )方程同宿轨道的不变性。 |
| 5. | With the application of the periodic boundary condition ( pbc ) , the computing domain can be restricted to a single period , which greatly improve the computing efficiency and accuracy 本文通过采用时域有限差分算法( fdtd ) ,利用周期电磁结构中场所满足的周期性,引入周期边界条件,将计算空间限制在一个周期内。 |
| 6. | Using field transformation ideas and split - field method to solve the difficulty of setting periodic boundary condition when excitation is abnormally incident , and founding time domain function for analysis of fss 采用场变换思想和场分裂方法,建立相应的时域迭代公式,解决了平面波斜入射情况下周期边界条件设置中的困难。 |
| 7. | The accuracies of the different orders symplectic difference schemes are compared and the effect of the spatial discretization methods upon the accuracy is analyzed by simulating the propagation of a one - dimensional wave under the periodic boundary condition 本文用一维波动方程的初边值问题初步比较了不同阶数辛格式的精度,并分析了空间离散格式对精度的影响。 |
| 8. | A relaxation surface effect is simulated on the basis of a molecular dynamics using the eam ( embedded atom method ) potential by applying a periodic boundary condition for copper . surface atom ' s potential , stress and position changes are presented 运用分子动力学方法对纳米单晶铜在接近绝对零度下的表面效应进行了分析,给出了表面原子位置变化、能量大小、应力的大小。 |
| 9. | On the equation ( the equation is abbreviated ) with initial condition and periodic boundary condition a system of ordinary differential equations to time was built by the four - order difference method , then the precise integration method was used to solve the system 摘要对于方程(方程式略)的初始值与周期边值问题,利用四阶差分化为关于时间变量的常微分方程组,然后采用精细时程积分法。 |
| 10. | Finally , multi - passage method was adopted to deal with the phase - difference periodic boundary condition . when the frequency of separated vortex propagating is not the same as the vibrating frequency of blade , this method is much more reasonable than those simple phase - shifted periodic condition in single passage 最后,采用多叶栅通道计算来处理相差周期边界条件,在分离涡传播频率与振动频率不同时比其它采用简单相移条件的方法更为合理。 |