inviscid flow 中文意思是什麼
inviscid flow
解釋
非粘性流-
Aerodynamic undamping phenomena of structure oscillating in inviscid flow
無黏流場中結構振動的氣動非阻尼現象 -
Adopting two - dimensional incompressible, inviscid fluid model, some problems of flow - induced vibration are investigated
摘要採用二維不可壓縮無粘流體模型，探討了板狀結構的流致振動問題。 -
Flow characteristics, especially in inviscid region, are determined by absolute value as well as relative value of scale
流場（特別是核心無粘流區）的特性不僅取決于流動尺度的相對值，也取決于其絕對值。 -
With the effective parallel computation algorithm, the simulation of complex inviscid flow is finally achieved more efficiently and quickly
進一步配合流場有效的并行計算演算法，最終可實現高效、快捷地模擬復雜流場。 -
The study object in this paper is a lunate caudal fin imitating tuna - tail with the mode combined swaying and yawing in uniform flow which is incompressible and inviscid
本文的研究對象是類似於金槍魚尾鰭的一個推進裝置，它是一個月牙形的尾鰭。 -
Since these theoretical analyses are based on inviscid potential flow theory, theoretical calculation and computational simulation may complement each other. the hydrodynamics and undulating propulsion of specimens were studied using three dimensional computational fluid dynamics ( cfd ) modeling. the cfd analysis using kinematic model of undulatory dorsal / median fin draws a series of conclusions, which include that the body drag increases significantly with the lateral body oscillation ; the body drag is minimum while the start point of
計算結果表明游動過程中的形體阻力隨側向周期性擺動而增大;當背鰭前端位於身體側向最寬處時，形體阻力具有局部最小值，結論與實驗觀測結果相吻合;在實驗觀測的典型運動參數下，波動面的運動方程中的非對稱因素的出現使推進力增大約1 . 10倍。 -
A parallel computing software is established independently. this software is a cell - centered finite - volume, structured grid, multi - block code which solves the equations governing inviscid and viscous flow of a calorically perfect gas or of an arbitrary mixture of thermally perfect gas undergoing non - equilibrium chemical reactions
通過簡單的參數控制，該程序既可計算二維、軸又巾彌和三維量熱完全氣體，也可計算化判卜平衡流;既可計算無粘流，也可計算粘性流。 -
Many test cases are calculated to verify the above study. the cases are either real or standard testing models, including multi - element airfoil, wing - body configuration, cone / cylinder missile model and 3 - d high - lift systems, etc. the results of present calculation are in good agreement with experiment data, and show flexibility and accuracy of the approaches. base on the cartesian grids, this thesis has targeted the development and integration of many algorithms and techniques such as adaptive refinement, omni - tree data structure, hybrid grid method, etc. an analysis software and research methods are designed and developed for the steady - unsteady and viscous - inviscid flow complex systems and configuration
7 .運用上述研究成果和結論，進行了大量算例的實驗驗證，外形范圍包括多種標模與型號，涉及多段翼型、 m6機翼、細長體模型、翼身組合體、兩段機翼增升標模、帶縫翼和襟翼的三段增升翼身組合體等復雜外形，計算結果均與實驗吻合良好，充分說明了本文發展的各種演算法、流場求解、網格生成方法的正確性和魯棒性。 -
In this thesis, according to the theory of potential flow, the mathem - atical model of two bodies moving in inviscid fluid with arbitary 3 - dimensional shape is presented and the formula of interacted force between them is derived
本文以勢流理論為基礎，根據水下兩個物體運動的數學模型，給出了它們間相互作用力的公式。 -
The resonant flow was researched in this paper, which is an incompressible, inviscid fluid with surface tension and different variational bottoms ; the effects of different variational walls on the nonlinear surface waves were analyzed
本文通過對具有表面張力的、不可壓縮、無粘性流體流過不同壁面時的共振流動進行研究，分析了壁面變化對非線性表面波的影響。 -
The numerical examples show that the current multigrid method is efficient and robust for solving of both 2d and 3d flow equations in inviscid and viscous flows. the parallel - computation example also indicated a high parallel computing efficiency was achieved
選用了兩種翼型、 m6機翼、 m100的機翼、某三角翼和dlr - f4翼身組合體等多個算例對本文多重網格法進行了驗證。 -
Because the equation of shallow water and the equation of inviscid compressible flow have completely similar mathematical forms, a lot of mathematical concepts and methods - including the numerical simulation method of aerodynamics can be used in the research of the shallow wave
由於數學上淺水長波方程與可壓縮氣體的無粘性流方程類似，可以把淺水長波方程比擬成可壓縮氣體無粘性流方程，將空氣動力學中所得到的許多數學概念和方法（包括數值方法）直接應用於淺水長波的運動。 -
Therefore this approach has become the highlight of the cfd field, and has received much attention. based on this optimization design theory, this thesis deeply studies some kinds of aerodynamic design problem in inviscid and viscous flow, such as aerodynamic inverse design and drag reduction problems. at the same time, the aerodynamic design optimization programs have been developed successfully
基於該設計方法的研究價值和應用前景，本文通過應用控制理論的優化設計方法，對無粘性流動和粘性流動情形下不同類型的氣動設計問題進行了深入研究，如反設計、減阻問題研究，成功發展了相應的氣動外形優化設計程序。
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