| 1. | Soil - pile interaction in vertical vibrations of a pile with elastic bottom boundaries and its applications
地基中粘弹性桩纵向振动分析与应用 |
| 2. | Prediction of upper and down sandbodies in the bottom boundary of sequence of jurassic in junggar basin and evaluation of favourable areas
层序底界上下砂体预测与有利区评价 |
| 3. | In calculation , the bottom shear stress under the effect of waves and currents is supplied by the wave - current bottom boundary layer model
计算中的底部剪切应力由波流边界层模型给出波?流共同作用下的形式。 |
| 4. | The effect of wave radiation stress is considered in the compound fluid model . the value of bottom friction is offered by the wave - current bottom boundary layer model
复合流场学模型中考虑了波浪辐射应力的作用，底摩擦由波?流相互作用边界层模型提供。 |
| 5. | The main original work is as the followings : 1 . longitudinal vibration of an integral pile in an uniform soil with end bearing boundary or elastic bottom boundary undergoing vertical harmonic load is theoretically investigated
主要工作如下： 1 、分别对均质土中完整端承桩和弹性支承桩在垂直谐和激振力作用下的纵向振动特性进行了研究。 |
| 6. | In order to calculate depth - averaged two - dimensional ( 2 - d ) suspended sediment transport under waves and currents in the yangtze estuary , a numerical model system is developed . four models , a 2 - d compound fluid model including wind , waves , tides and river runoff , a swan wave model , a wave - current bottom boundary layer model and a 2 - d suspended sediment transport model are integrated
本文建立了一个用于波?流共同作用下长江口平面二维悬沙计算的数值模型系统，主要由四部分组成，即考虑风、浪、潮、径流的二维复合流场模型、 swan海浪模型、波?流相互作用的底边界层模型以及二维悬沙输运模型。 |
| 7. | 2 ) the dynamic responses of the saturated soil are analyzed respectively when the normal incident waves from bottom boundary are p - waves and sv - waves . the responses of the soil skeleton and the pore fluid are studied , while the influences of different permeability coefficient and the surmounting loads on the dynamic responses of two - phase media are expounded
分别进行了在底边界p波与sv波垂直入射时饱和土的动力响应分析，研究了动力作用下土骨架和孔隙流体的反应，同时阐述了渗透系数和上覆荷载对两相介质动力响应的影响。 |
| 8. | On the basis of three - dimensional axially symmetrical soil model and taking consideration of vertical wave effect of soil layer , the interaction between visco - elastic layered soil and an integral pile or a multi - defective pile with arbitrary bottom boundaries and its engineering application is systematically studied in this dissertation
本文从三维轴对称土模型出发，较系统地对考虑桩周土竖向波动效应、任意桩底支承边界条件下、成层粘弹性土中完整桩及变阻抗桩与土纵向耦合振动理论及其工程应用进行了研究。 |
| 9. | Due to the existence of the eddy and the abrupt bend of the stream line , the pressure on the four faces has the distribution as follow : the lowest pressure appears at several centimeters after the angle point along the top boundary , the highest pressure appears near the center line of the vertical shaft on the bottom boundary , near the angle point , the pressure on the inner boundary decreases with the decreasing height , the pressure on the external boundary decreases slightly in the right - angle region , and increases obviously near the corner
回流漩涡的存在，以及直弯处流线的急剧弯曲，导致壁面压力分布在上表面距弯点一定距离后出现压力最小值，下表面上，在竖井中心线略偏下游的位置出现压力最大值，竖井内表面接近弯点处出现压力沿程降低的现象，竖井外表面压力在进入直弯后先是沿程略有降低，在直弯角落处又明显升高。 |
| 10. | Due to nonlinear bottom boundary condition , the generation of internal tides over finite topography can only be deal with by using of ray - tracing method beforetime . the transforms introduced in this dissertation make it possible use eigenvalue method to investigate the generation of internal tides over finite topographies
由于非线性边界条件的使用，前人处理有限地形上内潮的产生问题只能求助于射线理论，本文提出的坐标变换将若干海底地形变换成平底，从而使得利用特征值方法研究这些地形上的内潮生成问题成为可能。 |
