grid generation造句
例句與造句
- grid generation is one of the key problems in cfd and the numerical generation technique using partial differential equation is widely used and frequently studied, one of which elliptic equation in common use
網(wǎng)格生成技術(shù)是cfd中極為關(guān)鍵的問(wèn)題之一，偏微分?jǐn)?shù)值網(wǎng)格生成技術(shù)是目前應(yīng)用和研究較多的網(wǎng)格生成方法，其中應(yīng)用較多的是橢圓型網(wǎng)格生成方法。 - abstract : drawing on each other " s merits, the algebraic grid generation and elliptic grid generation methods are closely combined to generate high quality grids of automobile external flow field effectively
文摘:將代數(shù)網(wǎng)格生成法和橢圓方程網(wǎng)格生成法有機(jī)地結(jié)合起來(lái)，克服了它們各自的弱點(diǎn)，集中了它們的優(yōu)點(diǎn)，可快速有效地生成高質(zhì)量的汽車外流場(chǎng)計(jì)算網(wǎng)格。 - abstract : drawing on each other " s merits, the algebraic grid generation and elliptic grid generation methods are closely combined to generate high quality grids of automobile external flow field effectively
文摘:將代數(shù)網(wǎng)格生成法和橢圓方程網(wǎng)格生成法有機(jī)地結(jié)合起來(lái)，克服了它們各自的弱點(diǎn)，集中了它們的優(yōu)點(diǎn)，可快速有效地生成高質(zhì)量的汽車外流場(chǎng)計(jì)算網(wǎng)格。 - the work includes several principal points as follow . a hybrid grid generation technique which couples the method of solving partial differential equations with the geometric method is applied to generate high quality structured grid for cfd calculation
主要工作包括以下幾個(gè)方面：采用求解偏微分方程和幾何法相結(jié)合的混合型網(wǎng)格生成技術(shù)，開發(fā)了適用于離心葉輪機(jī)械的高質(zhì)量結(jié)構(gòu)化網(wǎng)格生成算法。 - we generated its grid surface on the fuselage or missile body according to the geometry projection relation between aerodynamic components and the bilinear interpolation approach . finally, we successfully developed a new algebra grid generation technique in virtue of the improved four-boundary interpolation . in this thesis, we put emphasis on the researches of aerodynamic inverse design and drag reduction questions for airfoil and wing using euler equations and control theory proposed by jameson
(2)進(jìn)行了應(yīng)用控制理論和二維歐拉方程的翼型氣動(dòng)反設(shè)計(jì)，以及有升力約束情形下翼型跨音速減阻問(wèn)題研究，分別推導(dǎo)了相應(yīng)的共軛方程及邊界條件的數(shù)學(xué)形式，并給出了相應(yīng)的梯度求解公式形式，研究發(fā)展了共軛方程及梯度的數(shù)值求解方法，成功進(jìn)行了多個(gè)翼型的反設(shè)計(jì)和減阻問(wèn)題研究。 - It's difficult to find grid generation in a sentence. 用grid generation造句挺難的
- the material job and main conclusion are as follows : ( 1 ) a simple boundary orthogonalization procedure independence grids generation method is put forward on the base of algebraic grid generation method; data structure and computational model on interface are established aiming at blocks of structured grids . ( 2 ) simple procedure is established in nonorthogonal grids by use of the finite volume method and in-depth discusses on special topic such as boundary condition in nonorthogonal grids, deferred correction method and grads compute on calculational nodes, and so on
本文完成的具體工作和主要結(jié)論如下：1)以代數(shù)網(wǎng)格生成方法為基礎(chǔ)提出了一種簡(jiǎn)單的、可獨(dú)立于網(wǎng)格生成方法之外的邊界正交化技術(shù)；針對(duì)分區(qū)結(jié)構(gòu)網(wǎng)格系統(tǒng)建立了分區(qū)交界面處的數(shù)據(jù)結(jié)構(gòu)與計(jì)算模型；2)利用有限體積方法在非正交同位網(wǎng)格系統(tǒng)中建立了simple求解算法，對(duì)非正交網(wǎng)格系統(tǒng)中的邊界條件、延遲修正技術(shù)及計(jì)算節(jié)點(diǎn)的梯度計(jì)算等專題進(jìn)行了深入討論。 - the material job and main conclusion are as follows : ( 1 ) a simple boundary orthogonalization procedure independence grids generation method is put forward on the base of algebraic grid generation method; data structure and computational model on interface are established aiming at blocks of structured grids . ( 2 ) simple procedure is established in nonorthogonal grids by use of the finite volume method and in-depth discusses on special topic such as boundary condition in nonorthogonal grids, deferred correction method and grads compute on calculational nodes, and so on
本文完成的具體工作和主要結(jié)論如下：1)以代數(shù)網(wǎng)格生成方法為基礎(chǔ)提出了一種簡(jiǎn)單的、可獨(dú)立于網(wǎng)格生成方法之外的邊界正交化技術(shù)；針對(duì)分區(qū)結(jié)構(gòu)網(wǎng)格系統(tǒng)建立了分區(qū)交界面處的數(shù)據(jù)結(jié)構(gòu)與計(jì)算模型；2)利用有限體積方法在非正交同位網(wǎng)格系統(tǒng)中建立了simple求解算法，對(duì)非正交網(wǎng)格系統(tǒng)中的邊界條件、延遲修正技術(shù)及計(jì)算節(jié)點(diǎn)的梯度計(jì)算等專題進(jìn)行了深入討論。 - the main purpose of this article is to research the new method to express the spatial distribution of region population density that is an important economic element, by using the grid generation technique and the data fusion theory . the main research method is to achieve the simulation and spatial expression of the population density index with the help of computer tools
主要研究方法是借助計(jì)算機(jī)工具實(shí)現(xiàn)人口密度指標(biāo)的模擬和空間表達(dá)，主要成果是在應(yīng)用國(guó)際上較為先進(jìn)的數(shù)據(jù)融合理論，在引入格網(wǎng)生成的空間數(shù)據(jù)計(jì)算和表達(dá)方法的基礎(chǔ)上，模擬生成了中國(guó)的人口密度空間分布圖。 - the spd model is made by the ins titute of geographical sciences and natural resources research of chinese academy of sciences . it combines social economic factors, such as city and transportation foundational facilities, with nature factors, for example the digital elevation model ( dem ) and net primary productivity ( npp ) of plants to simulate the spatial distribution of population density of china by the advanced grid generation technology
中國(guó)模擬人口密度模型是由中國(guó)科學(xué)院地理科學(xué)與資源研究所首先提出的，這個(gè)模型試圖利用先進(jìn)的格網(wǎng)生成技術(shù)，將城市、交通基礎(chǔ)設(shè)施等社會(huì)經(jīng)濟(jì)因子和陸地?cái)?shù)字高程(dem)、陸地植被凈第一性生產(chǎn)力(npp)等自然因子相結(jié)合，通過(guò)模型的反演，模擬某一時(shí)期的中國(guó)人口密度空間分布狀況。 - therefore, the paper establishes the parallel computing platform and meets the demand of computing resources for large eddy simulation . it also studies the integration of cad / cam, grid generation system and cfd system, and brings the model computed in the paper into this system . on the bases of systematical and thorough numerical simulation researches in circular cylinder and the compares between instantaneous piv metrical results and numerical results of circular cylinder, the paper obtained some problems and several conclusions which should be noticed in les for making correct computatioa finally, by using these experiences and conclusions above and by putting them into an actual problem in engineering-optimized numerical simulation of static mixer, this paper achieved the turbulent high-level numerical simulation technique, i . e ., system atical attempt in engineering application by les method
為此，搭建了微機(jī)并行計(jì)算平臺(tái)，解決了大渦模擬對(duì)計(jì)算資源要求；對(duì)cadcam、網(wǎng)格生成與cfd系統(tǒng)集成進(jìn)行研究，并將論文中所要計(jì)算的模型納入到此系統(tǒng)內(nèi)；在對(duì)圓柱繞流問(wèn)題進(jìn)行了系統(tǒng)和深入的數(shù)值模擬研究和對(duì)圓柱繞流瞬態(tài)piv測(cè)量結(jié)果與數(shù)值計(jì)算結(jié)果進(jìn)行比較工作基礎(chǔ)上，得到大渦模擬方法正確計(jì)算所需要注意問(wèn)題和若干結(jié)論；最后利用以上得出的計(jì)算經(jīng)驗(yàn)和結(jié)論，通過(guò)對(duì)一個(gè)實(shí)際工程問(wèn)題??靜態(tài)混合器優(yōu)化的數(shù)值計(jì)算，完成了cfd中湍流高級(jí)數(shù)值模擬技術(shù)??大渦模擬方法工程應(yīng)用的系統(tǒng)嘗試。 - in this paper, in order to find the approaches to reduce the drag levels and enhance the lift-drag ratio for grid fin, the aerodynamic characteristics of the grid fin are calculated with tvd finite volume scheme and wind tunnel tests . according to the complex flow field, a curve-long parameter grid generation technique is applied, and the density of the grid is processed
為適應(yīng)復(fù)雜流場(chǎng)的數(shù)值計(jì)算，對(duì)網(wǎng)格生成方法進(jìn)行了研究，采用弧長(zhǎng)網(wǎng)格生成法進(jìn)行貼體網(wǎng)格生成，并對(duì)網(wǎng)格進(jìn)行了加密處理，使物面附近網(wǎng)格盡量密些，而在遠(yuǎn)場(chǎng)使網(wǎng)格盡量稀疏些。 - next, we also improve the conditions in the paper [ 1 ], [ 13 ] of receiving new points and elements in the course of grid generation in the subdomain and present a new strategy of receiving new elements only and refusing new points during the course of grid generation of the interface, which can spare much time
完善了文獻(xiàn)[1]、[13]中的子區(qū)域內(nèi)生成網(wǎng)格時(shí)接受新點(diǎn)及新單元的條件，在界面網(wǎng)格生成過(guò)程中，本文提出只接受新單元而拒絕新點(diǎn)的策略，節(jié)省了機(jī)時(shí)。 - next, we also improve the conditions in the paper [ 1 ], [ 13 ] of receiving new points and elements in the course of grid generation in the subdomain and present a new strategy of receiving new elements only and refusing new points during the course of grid generation of the interface, which can spare much time
完善了文獻(xiàn)[1]、[13]中的子區(qū)域內(nèi)生成網(wǎng)格時(shí)接受新點(diǎn)及新單元的條件，在界面網(wǎng)格生成過(guò)程中，本文提出只接受新單元而拒絕新點(diǎn)的策略，節(jié)省了機(jī)時(shí)。