歐拉常數 的英文怎麼說
中文拼音 [ōulāchángshǔ]
歐拉常數
英文
euler constant-
The numerical simulation of axisymmetric two - dimensional shock tube is studied, which has a conical convergent section, and its driving gas is the hot product of hydrogen oxygen detonation. finite volume tvd scheme is adopted and the mesh is local orthogonal. the primitive equations are euler s equations of multi - component flow. the new method of eliminating numerical oscillation at the interface of two materials is extended to two dimensions. the mechanical character of this shock tube is analyzed
對由前向爆轟產生驅動氣體並具有局部錐形收縮截面的軸對稱激波管利用兩相常比熱完全氣體的歐拉方程組和有限體積tvd格式在局部正交的網格上進行了二維數值模擬。將消除兩種介質界面處數值振蕩的新方法成功地推廣到二維情況。分析了該激波管的力學特性。In the months following the buildup and invasion, members of the administration were often quoted characterizing the u. s. ' s european critics as representing " old europe.
布希政府和法德兩國在伊拉克戰事方面一直有所齟齬。在美方整軍入侵伊拉克之後數月，報導中常見布希政府成員以老歐洲一詞形容批評美國的歐洲評論家。The supereulerian graph problem is an important study in the circle of graph theory, which mainly includes two aspects : one is the determination of supereulerian graphs and the other is the edge - problem
超歐拉圖問題是圖論研究中非常重要的一個問題，這一問題主要有兩方面：一判定問題，二邊數問題。The unsteady flow around helicopter rotor in forward flight was numerically simulated by solving 3 - d euler ' s equations
採用三維非定常歐拉方程數值模擬了旋翼前飛非定常流動。The main numerical method of this code is coming from scheme ( jameson, schimit and turkel ) : using cell - centered finite volume method as spatial discretization tools, and a system of ordinary differential equations for time variable is obtained, which is solved by utilizing five - step runge - kutta scheme as time marching method, introducing artificial dissipation to damp high frequency oscillations near the shock and stagnation point
本論文採用歐拉方程作為控制方程，利用中心有限體積法進行空間離散，得到對時間變量的常微分方程組，採用龍格庫塔多步法進行時間積分，加入人工粘性以消除激波和駐點附近的壓力振蕩等方法來對naca0012翼型的實際流動進行并行數值模擬。分享友人