I - inviscid 中文

inviscid adj.非黏滯性的；無韌性的；不能展延的。

invisible
After all , we can get model of propeller through circling and stretching . once this was performed , the modeling will be imported into gambit , which is the preprocessor of fluent and can plot out gridding , then combining with the given condition on fluid , we use fluent to simulate the situation of propeller and calculate the pressure 將此三維模型導入fluent軟件的前處理器gambit中進行網格劃分,在一定的靜流場條件下,分別采用laminar及inviscid模型,利用單精度的求解方法進行力學模擬計算,得出螺旋槳在靜流場中受到的流體壓力。
If the inviscid solution includes the interaction that a central rarefaction wave collides with the boundary and the boundary reflects a new shock wave which is tangent to the boundary , or the inviscid solution includes some shock wave which is tangent to the boundary , then the error of the viscosity solution to the inviscid solution is bounded by o in l1 - norm ; otherwise , as in the initial value problem , the error bound is o 如果無粘解包含中心稀疏波與邊界相撞且邊界反射一個與之相切的新激波這樣的相互作用，或者無粘解包含與邊界相切的激波，那么在l ~ 1 -范數下粘性解與無粘解間的誤差界是o ( ~ ( 1 / 2 ) + \| ln \| + ) ；否則，類似于初始值問題，誤差界是o ( \| ln \| + ) 。
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算法、流場求解、網格生成方法的正確性和魯棒性。
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 基于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。
Finally , in the third section , by constructing some functional which similar to the conservation law of evolution equation and the technical estimates , we prove that in the inviscid limit the solution of generalized derivative ginzburg - landau equation ( ggl equation ) converges to the solution of derivative nonlinear schrodinger equation correspondently in one - dimension ; the existence of global smooth solution for a class of generalized derivative ginzburg - landau equation are proved in two - dimension , in some special case , we prove that the solution of ggl equation converges to the weak solution of derivative nonlinear schrodinger equation ; in general case , by using some integral identities of solution for generalized ginzburg - landau equations with inhomogeneous boundary condition and the estimates for the l ~ ( 2 ) norm on boundary of normal derivative and h ~ ( 1 ) ' norm of solution , we prove the existence of global weak solution of the inhomogeneous boundary value problem for generalized ginzburg - landau equations 第三部分：在一維情形，我們考慮了一類帶導數項的ginzburg ? landau方程，通過構造一些類似于發展方程守恒律的泛函及巧妙的積分估計，證明了當粘性系數趨于零時， ginzburg ? landau方程的解逼近相應的帶導數項的schr ( ? ) dinger方程的解，并給出了最優收斂速度估計；在二維情形，我們證明了一類帶導數項的廣義ginzburg ? landau方程整體光滑解的存在性，以及在某種特殊情形下， gl方程的解趨近于相應的帶導數項的schr ( ? ) dinger方程的弱解；在一般情形下，我們討論了一類ginzburg ? landau方程的非齊次邊值問題，通過幾個積分恒等式，同時估計解的h ~ 1模及法向導數在邊界上的模，證明了整體弱解的存在性。
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 由于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)直接應用于淺水長波的運動。
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。
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;當背鰭前端位于身體側向最寬處時,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 parametric analysis of the inviscid effects of leading edge sweep , sidewall compression , width - height ratio , cowl position and inflow mach number on spillage is finished . numerical simulations are completed for a series of inlets at various flight height and velocity . the research indicates that the area of spillage window , which is mainly determined by the position of the cowl , significantly influences the spillage characteristic of the scramjet inlet 闡明了側板后掠的側壓進氣道設計參數對構型溢流影響;對不同側板配置方式的側壓式進氣道進行了數值模擬,通過對比分析,發現由唇口板的位置所決定的溢流窗面積的大小對進氣道溢流特性的影響顯著。
In this dissertation , finite volume method , explicit runge - kutta time - marching scheme and “ dual - time stepping method “ are employed to solve the governing equations . both inviscid and viscous steady flows around two - dimensional cylinder , flat - plate and airfoils are simulated , and unsteady flows for airfoil in arbitrary motion are also calculated 控制方程采用中心格式有限體積法進行空間離散，對于定常流動，運用runge - kutta顯式多步法進行時間推進求解，非定常流動采用隱式時間離散的“雙時間法” ( dual - timesteppingmethod )進行推進求解。
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。
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。
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。
Computational fluid dynamics ( cfd ) solver aimed to solve multi - physics problems on unstructured grids ( inviscid euler , navier - stokes flows , heat transfer ) . f90 based . mpi , cgns , metis , lapack libraries used 計算流體動力學的解決方案，特別是針對在無結構性的組合上的多種物理學問題。
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于金槍魚尾鰭的一個推進裝置，它是一個月牙形的尾鰭。
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算法，最終可實現高效、快捷地模擬復雜流場。
The calculations of inviscid flows around cylinder are taken as numerical examples which show good agreement with analytical solutions . 2 利用euler程序計算并得到了二維圓柱表面的壓力分布，結果與理論解一致。
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。
When two bodies move in inviscid fluid , interacted force would act on them as the distance between them becomes small 兩個物體在流體中運動，當物體間距離很小時，相互之間存在著較強干擾力。

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圖片	移動背景圖固定背景圖重製上傳圖片

inviscid

inviscid adj.非黏滯性的；無韌性的；不能展延的。

invisible

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于金槍魚尾鰭的一個推進裝置，它是一個月牙形的尾鰭。

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算法，最終可實現高效、快捷地模擬復雜流場。

The calculations of inviscid flows around cylinder are taken as numerical examples which show good agreement with analytical solutions . 2 利用euler程序計算并得到了二維圓柱表面的壓力分布，結果與理論解一致。

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。

When two bodies move in inviscid fluid , interacted force would act on them as the distance between them becomes small 兩個物體在流體中運動，當物體間距離很小時，相互之間存在著較強干擾力。