| 1. | Steady solution and its stability of nonlinear schr dinger equation
非线性薛定谔方程的稳态解及其稳定性研究 |
| 2. | Employing euler based steady solution and piston theory , a new method ( we call it local piston theory in this paper ) to solve supersonic or hypersonic unsteady loads has been developed
发展了一种运用定常cfd方法和活塞理论求解超音速、高超音速非定常气动力的新方法?当地流活塞理论。 |
| 3. | Firstly , choose an appropriate solution system to make a steady solution , and then limn2o4 film precursor was prepared on stainless steel by spin coating method with the solution
在前驱体溶液体系选择过程中,确定了最佳前驱体溶液体系组成;在最佳的前驱体溶液组成体系下,采用旋转涂覆法在不锈钢基体上制备前驱体湿膜。 |
| 4. | The 2d and 3d multigrid methods for compressible euler and navier - stokes equations were studied . the jameson ' s finite volume method and runge - kutta time stepping scheme were employed to obtain a convergent steady solution on structural grid
在二维euler方程、二维薄层n - s方程、三维euler方程和三维薄层n - s方程的数值计算中研究运用了高效率的多重网格法计算技术。 |
| 5. | The steady solution of nonlinear ship motions in oblique seas can be gained by adopting the new technique presented in this thesis . this work promotes the application of theoretical prediction methods of nonlinear ship motions and wave loads
本文提出的新方法可以保证获得斜浪中船舶非线性运动的稳定的周期解，从而进一步完善了斜浪中船舶非线性运动预报和波浪载荷计算的工程实用方法。 |
| 6. | In order to accelerate the convergence speed , we employ the local time step , and implicit residual smoothing methods . finally , we use this method to get the steady solution of the flow around naca0012 and naca4412 airfoil at very low speed and some basic unsteady solution
本文对在低马赫数下绕naca0012翼型和naca4412翼型的定常流场进行了求解，结果和实验基本吻合，并对非定常运动情况进行了初步模拟研究，得出了一些有意义的结果。 |
