| 1. | Numerical simulation of epoxy resin capillary impregnation process based on vof method 方法模拟环氧树脂在毛细管中的浸润过程 |
| 2. | The numerical random wave flume wave - maker appropriate for the volume of fluid method ( vof ) is established 提出了适合vof方法的随机波数值造波机速度边界条件。 |
| 3. | Youruse of the mit opencourseware sitend ybjm course materialsiis subjec sr t to the conditions and terms vof use in our legallnotices section 对于麻省理工学院“开放式课程网页”的使用必须受到我们网站使用规范中的相关条文限制。 |
| 4. | It shows that after being improved the vof method can be selected to further study the interaction between surface waves and sandbars on the seabed 表明vof方法经过进一步的改进与完善,可成为深入研究波浪与不同海底沙坝地形之间相互作用的有效方法。 |
| 5. | At the same time , the method combing the vof model of water and gas currents and the k - ? model is also introduced into the calculation and analogue 并引进水气两相流的vof模型,与k -模型结合的方法进行计算模拟。数值求解采用simple算法的改进形式simplec算法。 |
| 6. | According to the analysis of the w ave impact pressures on the wharf deck with different shore connecting structures , the effect of different shore connecting structures on the impact pressure on wharf deck is discussed 讨论不同接岸型式对码头面板底面冲击压力的特性、分布规律以及冲击压力峰值大小的影响。本文的数值模型为作者改进的vof方法。 |
| 7. | Based on the unproved vof method , parametric studies have been carried out for random wave slamming on open piled wharf by numerical simulation . the governing equations are reynolds time - averaged equations and two equations k - model 为能反映出波浪冲击过程的湍流特征,以湍流运动方程? ?雷诺方程,及修正的?模型封闭雷诺方程为控制方程。 |
| 8. | In this paper , the physical experiment and numerical simulation based on the volume of fluid ( vof ) method to solve turbulent governing equations in the numerical wave tank are conducted to investigate the interaction between surface waves and sandbars on the seabed 本论文通过物理模型试验和基于vof方法求解湍流控制方程所建立的数值波浪水槽模型,对波浪与海底沙坝地形之间的相互作用进行了研究。 |
| 9. | Two - order enhanced un - split finite volume euler method for multi - fluid flow , which combines the roe approximate riemann solver , is developed to simulate the multi - fluid interactions , such as the fluid described by polynomial eos , stiffen gas eos , jones - wilkins - lee ( jwl ) gaseous explosive eos , cochran - chan ( cc ) solid explosive eos and hom shock wave eos , etc . numerical results of the id , 2d and 3d multi - fluid interaction examples show that the high - resolution method and interface capturing equations can resolve the multi - fluid flow correctly and successfully . a simple fluid - mixture type ppm algorithm for multi - fluid flow , which is based on vof interface capturing method and resolved by langange / remap two steps , is developed to simulate the high density or high pressure ratio flow at both sides of the interface 本文提出了实用于多介质流体的增强型二阶精度有限体积欧拉数值计算方法,采用roe方法近似求解riemann问题,可以适用于多项式状态方程、 “ stiffengas ”状态方程、 jones - wilkins - lee爆轰产物状态方程、 cochran - chan固体炸药状态方程以及hom状态方程等,并对多介质流体相互作用的一维、二维、三维问题进行数值计算,数值验证了本文给出的高精度差分格式和界面捕捉方法的正确性,两种方法耦合形成的多介质流体数值计算方法是成功的。 |
| 10. | The results of the three dimensional simulation emphatically show flow characteristics change along the spillway width and furthermore verify that the combination of k - e turbulence model with the vof model and unstructured grid can successfully simulate complex three dimensional turbulent flow on the stepped spillway 三维计算着重体现了流场沿溢洪道宽度方向的变化规律,进一步验证了vof模型、非结构网格与卜。紊流模型相结合能够成功地模拟三维阶梯溢流坝面复杂流场。 |