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hyperboloidal中文是什么意思

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雙曲面的

hyperboloidal gear 雙曲面齒輪; 雙曲線齒輪; 雙曲線面齒輪, 歪斜齒輪; 歪斜齒輪
hyperboloidal mirror 雙曲面反射鏡
hyperboloidal shell 扭殼體
hyperboloidal secondary mirror 雙曲面次鏡
hyperboloid straightening roll 雙曲面矯直輥; 雙曲線矯直輥
hyperboloid of two sheets of revolution 雙葉旋轉雙曲面
hyperboloid of two sheets 二葉雙曲面; 雙葉雙曲面
hyperboloid of two sheet 雙葉雙曲面
hyperborea 希柏里爾
hyperboloid of revolution 回轉雙曲面; 旋轉雙曲面

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According to the analysis , the 3d interference images are hyperboloidal beams and the 2d interference images are hyperbolic beams
同時也分析出三維干涉圖像為雙曲面族，以及二維干涉圖像為雙曲線族的圖像特征。
The surface of propeller , hub and the vortex of blade is discreted by a number of small hyperboloidal quadrilateral panels with constant source and doublet distribution
槳葉、槳轂表面和螺旋槳尾渦面采用四邊形雙曲面元離散，以消除面元間的間隙。
In lifting - surface theory , the non - liner phenomena of the trailing vortex in the transition wake area and of the tip vortex separation are considered . in surface panel method hyperboloidal quadrilateral panels are employed and the morino ' s analytical formulation is used to determine the influence coefficients . the more reasonable pressure kutta condition is satisfied at the trailing edge of propeller blade
在計算中，對于升力面理論，本論文考慮了過渡區(qū)尾渦收縮和葉梢分離的非線型現(xiàn)象的影響；對于面元法，本論文采用的是計算較為簡便的基于擾動速度勢的基本公式及雙曲面形狀的面元，在槳葉隨邊滿足更趨合理的壓力kutta條件，并用morino導出的解析公式計算面元的影響系數(shù)的快速有效的數(shù)值預報方法。
The surface panel method has been applied to predict the hydrodynamic performance of highly skewed propeller . the surface of propeller and its trailing vortex are discreted by a number of small hyperboloidal quadrilateral panels with constant source and doublet distribution . for highly skewed propeller , the conventional method generating grid oriented along constant radii will result in a high aspect ratio and a high skewness and a twist panel near the propeller tip on blade surface , which result easily in incorrect calculation results of velovity on blade surface , even in iteration divergence and calculation failure . a “ non - conventional grid ” is developed to acoid these problems . this grid can effectively solve the problem of the calculation and convergence for highly skewed propeller . the non - linear kutta condition of equal pressure on upper and lower at the trailing edge is executed by the iterative procedure . by sample calculating , the obtained results are satisfied the experimental data
采用面元法預報大側斜螺旋槳水動力性能，螺旋槳表面及尾渦面離散為四邊形雙曲面元，每個面元上布置等強度源匯和偶極子分布.對于大側斜螺旋槳而言，槳葉表面采用常規(guī)的等半徑網格劃分方法在近葉梢處將導致大展弦比、大側斜和扭曲面元，這容易使槳葉表面速度的計算結果不正確，甚至會導致迭代過程發(fā)散及計算失敗.文中建立了一種“非常規(guī)網格”劃分方法，能有效地解決大側斜螺旋槳的計算和收斂問題.槳葉隨邊處通過迭代實現(xiàn)非線性等壓庫塔條件