| 1. | It brought forward some methods to reduce error of measurement by analyzing whether surface was inclined or not 并重点分析了物面倾斜对测量结果产生的影响,提出了解决方案。 |
| 2. | There also provide some validity checks to fortran90 programs and grid discretization modes in the thesis 论文也用圆球、圆柱等几个算例检验了物面离散模式的有效性和fortran90程序的可靠性。 |
| 3. | To numerically solve n - s equations , the present work is mainly focus on the following aspects : 1 采用沿物面边界法向外推方法和求解椭圆型偏微分方程方法结合,进行复杂外形的粘性网格生成。 |
| 4. | Joining the grids near the wall and in the other fields into hybrid grids is the final step for generating hybrid grids 把物面附近网格和其他区域的非结构网格进行对接就得到了计算n ? ? s方程所需的混合网格。 |
| 5. | The symmetrical part uses the source distribution on the center plane of the body whereas the asymmetrical part is achieved through the doublet distribution on the camber surface 求解完毕得到速度势后,对其求一阶导数得到物面上的速度分布,进而通过伯努利方程求出物面上的压力分布。 |
| 6. | The magnified methods and the layer advancing methods are adapted for generating the grids near the wall , while the advancing front methods and delaunay methods are adapted for generating the grids in the other fields 物面附近网格采用物面放大法和层推进法生成。外层非结构网格用阵面推进及delaunay方法生成。 |
| 7. | All of results demonstrate the capability of simulating complex flow fields efficiently and robustly . the hybrid grids include two parts : structured or semi - structured grids near the wall and unstructured grids in the other field 混合网格是由在物面附近的结构化或半结构化的网格与其他区域的非结构网格组成。 |
| 8. | 1 . we summarized the methods applied to measure the temperature , expounded the problems in these methods , demonstrated the significance about how to ascertain the face of high temperature radiant body ; 2 对国内外各种接触式和非接触式测温方法和技术进行了较为系统的综述,对其存在的问题进行了分析,并指出了被测高温辐射体物面确定的意义和方法; 2 |
| 9. | Without any hypothesis of the propeller ' s geometry , the surface panel method satisfy the body surface boundary condition on the fact body surface , and make the geometry representation of the propeller more precise , the mathematical model is more perfect 面元法是在实际物面上满足物面边界条件,没有对螺旋桨的几何形状做任何假设,能更精确地描述螺旋桨的复杂几何形状,其数学模型更加完善。 |
| 10. | One of the hybrid grids " advantages is easy to control the number of mesh layers and can decrease the number of grids , which make the numerical process require less computer resources and reduce the computation time . so the hybrid grids are involved in improving the computation efficiency . a finite volume hybrid solver which is based on jamson ' s scheme is developed 该混合网格优点之一是能很好地控制靠近物面附近的网格层数,同时能减少网格的数量(在相同网格结点时与全场均采用非结构网格相比) ,这就降低了对计算机资源的要求,同时能减少计算时间,提高计算效率。 |