| 1. | Method of characteristics 特征线法 |
| 2. | Then expatiate the application of the characteristic method in solving hydraulic system instantaneous problem 然后阐述特征线法在解决液压系统瞬态问题的应用。 |
| 3. | On the base of those , use characteristic method to build the hydraulic impulse testing machine ' s model 在此基础之上,利用特征线法建立液压脉冲试验台的数学模型。 |
| 4. | It was believed that there were still disputable points deserving of further elaboration in the verification that had been so far made 文中证明,特征线法的应力关系式与本文的屈服条件、屈服函数的极值条件是相同的。 |
| 5. | The method of characteristics is utilized to reliably handle the model and the computer program is developed by considering of variable wave speed along pipeline 在考虑变波速的情况下,采用特征线法进行求解,并编制了计算机程序。 |
| 6. | The difference formulation and boundary condition have been gained by the method of characteristics and the hydraulic transient basic formulation 从压力管道水力瞬变基本方程出发,利用特征线法求解了压力管道水力瞬变的差分方程及边界条件。 |
| 7. | ( 4 ) according to the coefficient in momentum differential equation , some traffic flow models are classified , analyzed and predicted by means of characteristic curve method ( 4 )根据运动微分方程的系数将交通流模型进行分类,采用特征线法对各种模型进行了分析和预测。 |
| 8. | This paper also calculates the unsteady flow of the hydropower station ' s model by using of the characteristics method , the calculated result is extremely close to the experimental result 本文还采用非恒定计算的特征线法,对该水电站引水系统模型非恒定流进行了计算,其计算结果与模型试验结果吻合。 |
| 9. | The article calculates the transient of the pump system with three initial rates of flow and three kinds of pipe length by use of the characteristic method , and obtains the system ' s transient characteristics 用特征线法对三种初始流量、三种管长关阀实验时泵系统瞬变计算,得到系统的瞬变工况特性。 |
| 10. | The simulating and calculating result shows that using characteristic method to build the model of hydraulic impulse testing machine , we can precisely find out the reason that affect the impulse press 仿真计算的结果表明:利用特征线法建立液压脉冲试验台模型,可以比较精确的分析出脉冲压力的影响因素。 |