x
uploads/transfinite.jpg

transfinite adj.1.無限的。2.【數學】超窮的,超限的。短語和例...

transfix

In order to improve the efficiency of the mesh generation , we employ the transfinite interpolation method . in low speed flow ( m < 0 . 05 ) , the low mach will aggravate the difference between eigenvalues of the system and make the convergence sharply difficult . as for this , we use the preconditioning method to remove it 另外,我們求解的是極低馬赫數下的流場( m 0 . 05 ) ,極低的馬赫數會導致可壓流動方程十分僵硬而難以收斂,對此,我們對n - s方程進行了矩陣預處理。

Then a high - degree geometric continuity blending surface is obtained with transfinite interpolate method . ( e ) g3 blending surface with approximation can be constructed by lofting if geometric invariant errors are given , the surface can be converted to b - spline , nurbs form for the purpose of system aggregation 最后,為滿足曲面造型系統集成的需要,在保證曲率、曲率導數和撓率精度情況下,將上述研究結果應用于曲面放樣逼近方法,得到參數過渡曲面轉換成b樣條曲面或nurbs曲面的形式。

The main aspects of this dissertation are as follows : 1 . employing the moving grid technique , a 3 - d moving grid based on the transfinite interpolation is developed . this grid has better adaptation than the deforming grid for flapping wing 本文的主要工作表現在以下幾個方面: 1 、引入運動網格技術,發展了一套基于廣義無限插值理論的適合撲翼計算的三維運動網格,提高了網格對撲動機翼的適應性。

The transonic steady / unsteady navier - stokes / euler flow solvers based on ausm + scheme have been developed in this dissertation . the structured grids are generated using transfinite interpolation . a cell - centered finite volume approach is used 因此,研究開發高效、高精度、高魯棒性、實用的跨音速定常、非定常navier - stokes euler方程解算器至關重要。

The curved grids are generated by using the transfinite interpolation and the so - called multiblock techniques that originally developed for computation fluid dynamics . the curved grid is taken to constitute a generalized curvilinear system 該方法結合了多塊映射和超限插值技術,這項技術出自計算流體力學,它可使產生的網格網線沿著地下所有界面變化。

They can continue by transfinite induction . 利用超限歸納法,他們可繼續下去。