| 1. | Chou , chung - ren , and kwan ouyang , 1998 , numerical study of solitary wave on a mild slope , isope 尹彰、周宗仁、林?圭、黄伟柏, 1998 ,平面造波水池之特性探讨,第二十届海洋工程研讨会论文集。 |
| 2. | Shortage of construction land supply has restricted economic development in zhejiang province and it is imperative to exploit mild slope of low mountains and hills 摘要当前土地资源稀缺已成为浙江省经济社会发展的制约因素之一,除了做好现有土地资源的集约利用,推动其百万亩低丘缓坡土地资源开发势在必行。 |
| 3. | The author successfully simulated the rapid sliding of avalanche soils on mild slope with saturated soils in flume experiments , and the longest distance that avalanche masses can move was studied 通过水槽实验,对崩塌土所能到达的最远距离进行了研究,成功地模拟了崩塌块体在饱和度较高的缓坡上快速滑行的现象。 |
| 4. | Taking yongkang city as an example , this paper analyzes the suitability and feasibility of exploiting the mild slope resource of low mountains and hills , and proposes ways to use the slope resource rationally 以浙江省永康市为例,针对目前土地利用实际,对其低丘缓坡土地资源进行了土地利用适宜性评价及开发可行性分析,提出了低丘缓坡土地资源合理开发的措施和途径。 |
| 5. | Cour and silting characteristics of debris flows - because of resistance decrease due to supernormal pore water pressure , intermittent debris flows can be accelerated on mild slope in the superimposable processes of several debris flows ?泥石流的冲淤变化特性?泥石流多阵迭加过程中出现超载孔隙水压力使龙头阻力降低,在缓坡上能够加速运动,说明泥石流龙头迭加具有加速效应。 |
| 6. | Secondly , a mathematical model suitable to large coastal region is developed , whose governing equations are deduced from the mild slope equation with dissipation terms and discretized with crank - nicolson scheme . this model is accurate and easy to be applied 其次,将包含底摩阻耗散项的缓坡方程化为等价的控制方程组,采用crank - nicolson格式离散方程组,建立了适宜于大范围水域内波浪传播的数学模型。 |
| 7. | In this paper , a quasi - 3d model of nearshore wave - induced currents and long waves is established based on the combination of an averaged integration of surface wave - induced currents equation along water depth , a 2d equation for the solution of vertical structures of the currents and a nonlinear parabolic approximate wave reflection - diffraction equation of mild slope 本文建立了将沿水深积分平均的平面波生流方程和求解波生流垂向结构的二维方程与非线性抛物型近似缓坡波浪折射-绕射传播方程相结合的完整的准三维的近岸波浪引起的水流及其长波的模型。 |
| 8. | Based on the nonlinear parabolic approximate wave reflection - diffraction equation of mild slope , a model of wave propagation on a fan - shaped coordinate is put forward considering winds , bottom friction and wave breaking , etc . the existing calculation shows that the model can be employed to determine wave fields in large water areas 接着以非线性的抛物型近似波浪缓坡方程为基础,提出了扇形坐标下的波浪传播模型,模型包括了风、底摩阻、波浪破碎等因素的影响,可以用于大水域的波浪场的确定;文章最后介绍了一些计算算例。 |
| 9. | In the end , in view of the fact that boussinesq - type equations and the mild slope equations are deduced from different hypothesis conditions and behave differently in simulation of wave propagation , the numerical results of wave propagation effected by strong non - linearity are given by the nonlinear three - dimensional mathematical model which was established for the calculation of 3 - d wave particle velocity and wave pressure and suitable to small size waters of arbitrarily varying depth 最后,鉴于boussinesq型方程和缓坡方程是在不同的假设条件下推导而来,应用于描述近岸水域波浪的传播变形时具有不同的特点。本报告根据作者所建立的可以对任意水深点流场与波动净压力场进行求解、适宜水深任意变化水域非线性波传播的数学模型,提供了在较强非线性作用下波浪传播的数值模拟结果。 |
| 10. | In the models , the time dependent parabolic equations , deduced from the mild slope equations with currents or not , are used as the governing equations . based on the general conditions for open and fixed natural boundaries with an arbitrary reflection coefficient and phase shift , the boundary conditions for the present models are treated . the alternative direction implicit method is used to solve the governing equations and the numerical schemes are unconditional stable 在建立模型时,将原始的椭圆型缓坡方程的近似型式? ?依赖时间变化的抛物型方程,作为控制方程;从将开边界条件、不同反射特性的固壁边界条件相统一的表达式出发,对边界条件进行处理;用adi法数值求解控制方程,格式无条件稳定;节省了计算机内存和计算量。 |