| 1. | On the secular terms in random perturbation analysis 非平稳随机摄动分析中的久期项效应 |
| 2. | Perturbation analysis of boundary layer on liquid phase fluid centrifugal pump 液相流离心泵边界层的摄动分析 |
| 3. | Furthermore , a scheme is developed by which a few single - parameter based random perturbation analyses are combined to produce the results for a multi - parameter random purturbation analysis 建立了由单参数变异性摄动分析组合出多参数变异性分析结果的算法。 |
| 4. | Then , we use both the method of multiple scales and the galerkin approach to give the perturbation analysis of the governing partial differential equation 综合运用多尺度方法和galerkin离散法对横向振动的非线性偏微分方程进行离散和摄动分析,得到了三种共振情况下的平均方程。 |
| 5. | The equation of motion for the planar cantilever is obtained by using the theory of elastic mechanics . then , the governing partial differential equation is analyzed by two processes 对于平面运动悬臂梁,首先利用弹性力学方法得到运动微分方程,然后利用二种方式对这个非线性偏微分方程进行离散和摄动分析。 |
| 6. | Within the framework of two - phase flow theory , an analysis is carried out based on the momentum and continuity equations of fluid mechanics . corresponding to the physical process of the interaction of the solid and fluid phase , a perturbation analysis is systematically developed 还引用了两相流理论中从低浓度两相流中固相和液相的相互作用着眼,引入摄动分析的理论,并通过动量方程直接得出了悬移质泥沙浓度分布规律的方法。 |
| 7. | Based on no - preemptive priority queuing network model , new infinitesimal perturbation analysis schemes were presented to estimate the dynamic time performance of dms based on common ojbect request broker architecture ( corba ) and dimensional measurement interface standard ( dmis ) 针对基于公共对象请求代理结构和尺寸测量接口规范的分布式测量系统,根据多用户非抢占优先排队网络静态性能模型,提出基于无穷小摄动分析的分布式测量系统动态性能评价算法。 |
| 8. | Fourthly , this article finds the solution to the main equation set about labyrinth seals model of two - control - volume , concludes the pressure distribution in labyrinth seals , and further obtains the answer of the calculation formula on the four dynamic characteristics about labyrinth seals 4 、对迷宫密封两控制容积模型主导方程组运用摄动分析方法进行了求解,得到了迷宫密封腔中的压力分布,并进一步求解得到迷宫密封的四个动力特性系数的计算公式。 |
| 9. | By comparing with stochastic structural analysis , relations between the two methods have been found . the response surface method is used to obtain the second order estimates of the calculated results bound . by means of viscoelastic stochastic finite element method , the instantaneous reliability , the first passage reliability and fuzzy reliability of srm grain are investigated 采用凸集合模型表示药柱参数的不确定性,在粘弹性有限元摄动分析基础上进行了结构的响应区间计算,讨论了概率方法和集合理论模型得到的响应区间之间的关系,利用响应曲面法进行了区间的二次估计。 |
| 10. | The equations of motion for the nonlinear nonplanar flexible cantilever are derived by using the generalized hamilton ' s principle . then , the galerkin procedure and the method of multiple scales are used to give the perturbation analysis of the system and the average equations . the three resonant cases are considered in this dissertation 对于非线性非平面运动悬臂梁,利用广义hamilton原理详细推导了运动微分方程,综合运用galerkin离散方法和多尺度法对非线性非平面运动悬臂梁的动力学方程进行摄动分析,得到了三种共振情况下的平均方程。 |