格網法 的英文怎麼說
中文拼音 [géwǎngfǎ]
格網法
英文
grid method-
The method, firstly, grids the precipitation amount by conicoid, then judges and traces isoline and brings forward a way of how to avoid connection uncertainty of isoline
該方法首先用二次曲面對不規則站點雨量進行格網化，然後在格網上對等雨量點進行判斷、追蹤以及在追蹤過程中如何消除追蹤的二義性。Therefore, devel - oping effective and robust adaptive mesh methods for these problems becomes necessary
因此，發展有效的自適應網格方法變得尤為重要。H, p, hp adaptive meshless method for plane crack problem
型自適應無網格方法的研究In order to verify the accuracy, credence and effectiveness of the unstructured overset grid algorithm, steady and unsteady flow field of naca0012 airfoil are simulated. the unsteady flow field is caused by the oscillation of the airfoil. the two computational results are both compatible well with the experimental data
為了驗證非結構重疊網格方法的正確性、可靠性和有效性，本文對基於非結構重疊網格的naca0012翼型的定常流場以及簡諧振蕩的非定常流場進行了數值模擬，均取得了與實驗數據符合良好的結果。The curved grids are generated by using the transfinite interpolation and the so - called multiblock techniques that originally developed for computation fluid dynamics. the curved grid is taken to constitute a generalized curvilinear system
該方法結合了多塊映射和超限插值技術，這項技術出自計算流體力學，它可使產生的網格網線沿著地下所有界面變化。The paper presents several aspects in partition rectification and visualization of raster image. adopt technology of visualization for scientific calculation, vector diagram of deformation 、 contour chart of deformation and drawing of three - dimensional are realized. delaunay tin in view of deformation feature is constructed on base of selected grid control points and methods and mathematical models for partition rectification are realized based on the delaunay tin. software of geometric rectification for large scales are realized and applied in project
本論文針對柵格影像的變形可視化及分塊糾正展開研究，取得了以下幾方面的研究成果：一、採用科學計算可視化技術，繪制變形矢量圖、變形等值線圖和三維效果圖，實現了柵格影像變形特徵的可視化；二、提出了在格網控制點（ gcp ）數據基礎上選擇性構造顧及變形特徵的delaunay三角網，並基於構造的三角網實現了分塊糾正的方法和數學模型；三、採用vc編制了影像幾何糾正軟體，實現大比例尺掃描地形圖的糾正，並在工程中得到應用。Meshless method based on natural boundary element
自然邊界元的無網格方法Least - squre point collocation method based on reproducing kernal ideas
基於核重構思想的最小二乘配點型無網格方法And there is a growing interest in the development of meshless methods as the meshless characteristic has distinctive advantages to deal with high - speed impact, industrial forming, extremely large deformation, fracture and fragmentation problems, etc. it offers the tremendous value in theory and potential in industrial application
無網格方法是在近幾年迅速興起的一種數值分析方法，由於無網格特性對高速碰撞、超大變形、斷裂破壞等問題的分析具有明顯的優勢，對其的研究方興未艾。A improved progressive mesh algorithm
一種漸進格網模型的改進演算法The improved algorithm for the extraction of contour lines from grid dem
從規則高程格網中提取等高線的優化演算法研究The article build the mathematic model of terrain surface with the nonlinear insert calculation using the distance entropy function as the insert calculation function in terrain surface fitting and deal the visualization with grid method
採用非線性插值方法，用距離熵函數作為地表曲面擬合的插值函數，構造地表曲面的數學模型，並採用規則格網法進行表面剖分，最終實現地形的三維可視化效果。The famous algorithms include roam, vdpm, adaptive triangulation based quadtree and the improved algorithms of them, etc. however, the improvement of the present algorithms mainly focus on the selection of data structure which can speed up generation of the tmrm, few works were put into ameliorating the simplification criterion, hi fact, the simplification criterions used by the algorithms at present are constructed with only two elements which are the distance the vertex from the viewpoint and the roughness of terrain expressed by z coordinate
地形多解析度模型的生成演算法種類較多，著名的有：自適應優化格網演算法（ roam ） 、基於視點的累進格網法（ vdpm ） ，基於四叉樹的自適應剖分演算法以及基於各演算法的各種改進演算法等等。但目前人們對演算法的更新及改進主要是從數據結構的角度來考慮，對簡化準則沒有做實質性的改進。From case grammar to
從格語法到框架網路The algorithm generates three - dimensional terrain model and displays in real time. it uses an efficient and simple method to attain the dependency between sampling points on terrain, and refines the center points in top - down way. it incorporates the dependency of points into their errors so that the cracks inside the terrain block are avoided, at the same time eliminates the cracks at the edges of blocks through adjusting the elevations of those points that cause the cracks
該演算法基於規則格網數據實時生成三維地形模型，並實時顯示；採用了一種簡單而高效的方法來求解采樣點之間的依賴關系；以「從頂向下」方式細分中心頂點；並把頂點依賴關系融合進頂點誤差中，避免了地形塊內部的裂縫，同時通過調整塊邊界點的高程消除了塊邊界處的裂縫；演算法還具有利用幀間相關性，視相關等方面特點。In addition, for regular grid data it presents an effective algorithm for some particularity that there are four isopoints in one grid cell and for random discrete data points it lays emphasis on triangulation. this paper firstly put forward three principles : attribute principle of adjoining isolines, attribute principle of isoregions and inclusion principle of ioslines after studying the character of isolines. the bivalue - topology algorithm based on boundary tracking is given, which is founded on the three principle and is used to fill isoregions
另外，在這兩部分中除了對邊信息鏈表的形成過程以及基於邊信息鏈表的等值線生成做了詳細討論外，還對規則格網數據的等值線追蹤中，一個網格單元上含四個等值點的特殊情形給出了一個比較有效的演算法，並在任意離散點數據部分對平面點集的三角剖分進行了著重討論。Only clouds of points instead of grids are distributed over the computational domain and the spatial derivatives of the considered partial equations are estimated using a least - square curve fit on local clouds of points
與傳統的網格方法不同，無網格方法的核心是用「點雲」離散求解區域，並基於當地點雲離散結構，引入二次極小曲面逼近空間導數。In this paper, we provide a summary of all the possible topologies of data grid replica location mechanisms based on the research status of related activities, and design a new kind named distributed replica information index location mechanism ( dilm ), which is based on the topology of improved ring and integrates four techniques : overlay network, bloom filter, soft - state protocol and md5
本文介紹了數據格網復制定位研究的現狀，總結了數據格網復制定位可能的拓撲結構種類，提出了一種新的數據格網復制定位機制? ?分散式復制索引定位機制dilm 。 dilm基於改進環型拓撲結構，包含以下4種技術：重疊網路技術、 bloomfilter壓縮技術、軟狀態協議和md5散列演算法。Analysis of rc beam failure in diagonal tension with meshless method
利用無網格方法分析斜拉破壞鋼筋混凝土梁Known as the " hong kong 1980 grid ", it is constructed on the transverse mercator projection based on hk80 datum
方格網，以hk80為基準的橫墨卡托影法繪制。分享友人