| 1. | Saint - venant principle 圣维南原理 |
| 2. | Saint venant principle 圣维南原理 |
| 3. | Study on slope farmland runoff model in blackland based on 1 - d saint - venant equation 基于一维圣维南运动方程的黑土区坡耕地径流模型研究 |
| 4. | 5 . the solution of this dissertation is different from one of the system of dual vectors in which the solution of zero eigenvalue is corresponding with saint - venant ' s solution 与对偶向量体系采用零特征的解对应圣维南解不同,本文采用微分算子解法,将2维弹性力学的解进行分解。 |
| 5. | The slope runoff fem analysis program is developed based on the saint - venant equations . the numerical solutions are compared with the analytical solutions and the experiment data and the characteristic line method solutions , the result validate of the program 编制了基于saint - venant控制方程的坡面径流的有限元分析程序,利用解析解和试验数据证明了程序的正确性。 |
| 6. | The limits of stresses in the two categories of elastic bodies with piecewise smooth boundaries and the conditions posed by saint - venant ' s principle are deduced and considered as the mathematical expressions of saint - venant ' s principle for the problems 摘要导出两类具有分片光滑边界面和圣维南原理条件的弹性体中应力分量的极限,并把其作为该两类问题的圣维南原理的数学表达。 |
| 7. | The solutions of 2 - dimensional theory of elasticity are decomposed by a solution with differential operators . its saint - venant ' s solution and special solution are expressed by ordinary different equations containing one variable z . the relationship is uncovered between the bend the 在板弹性弯曲理论中,分离出了与零特征解对应的圣维南解关于x 、 y方向的偏微分方程,分析了薄板弯曲理论与弹性弯曲理论圣维南解的关系。 |
| 8. | Based on the saint - venant equations describing the channel flow movement , the nonlinear algebraic equations derived by the use of preissmann weighted implicit four - point scheme are solved with the netwon - raphson method , which raises the accurate of the numerical solution , and the convergence of the numerical solution is discussed , 2 用newton方法直接求解按preissmann加权四点格式离散扩展形式的saint - venant方程组所得的非线性代数方程组,提高了数值解的精确性,并对数值解的收敛性进行了讨论。 |
| 9. | Through examination of the recession limbs of the observed hydrographs , during periods with no rain and thus no surface runoff , one can determine the value of . for this catchment , a value of 0 . 8 is obtained . the simulated subsurface runoff at each grid is routed to the outlets through a unit - hydrograph method for overland flow and the linear saint - venant equation for channel flow to get the discharge at xixian station 对所研究的流域而言,经过估算消退系数为0 . 8 .耦合着这两种不同地下径流机制的clm模型都可以计算出每个网格的地表地下径流深,采用dag lohman 34 , 35发展的汇流模型进行汇流由于是研究地下径流,所以取每个网格的地表径流为0 ,该模型采用单位线计算坡面汇流线性圣维南saint - venant equation进行河道汇流 |
| 10. | This part analyzed and compared many kinds of solvement of dam - break , then the adopted traditional one - direction b . saint . venant equation and conceal format to calculate the proceeding of dam - break flood , then according to calculation result analyzed influence of villages located beside fabiela river from dam - break flood 这一部分首先分析比较了溃坝波的各种求解方法,然后采用传统的一维圣维南方程组和隐式差分格式进行了溃坝洪水演进计算,然后根据计算结果分析了各种溃坝情况下洪水对河道两岸村屯的影响。 |