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seidel n.(pl. seidel(s)) 大啤酒杯〔有時指連蓋...

seidlitz

A multisensor convex linear statistic fusion modal for optimal interval estimation fusion is established . a gauss - seidel iteration computation method for searching for the fusion weights is suggested . in particular , we suggest convex combination minimum variance fusion that reduces huge computation of fusion and yield approximately optimal estimate performance generally , moreover , may achievers exactly optimal performance in some cases 建立了一種最優區間估計融合模型? ?多傳感器凸線性組合,并給出搜索最優權系數的gauess - seidel迭代算法,另外,給出了一種近似的區間估計融合? ?凸線性組合的最小方差融合,它能減少大量的計算量。

Based on the fundamental theory of dynamics of soil moisture and the condition of water storage pit irrigation , numerical modeling of soil moisture movement of single water storage pit in heterogeneous soil is established . adi ( alternating direction implicit method ) and gauess - seidel iterative method are used to solve it . by using the simulated value of modeling , the relation of water injection volume and maximum horizental distance of moisture frontal are concluded . according to the relation , interval of pits are derived . then , after analyzing the infiltration characteristic of soil moisture under the condition of interference infiltration in multi storage pit , numerical modeling of soil moisture movement of multi water storage pit in heterogeneous soil is established , and its numerical solution is also acquired 利用adi (交替方向隱式差分法)結合gauess ? seidel迭代法對模型進行數值求解。利用模型的計算結果得出了單坑注水量與濕潤鋒最大水平推進距離之間的關系,并據此確定了坑距。在此基礎上,通過對多坑干擾入滲條件下土壤水分入滲特性進行分析,太原理工大學碩士研究生學位論文建立了蓄水多坑非均質土壤水分運動數學模型,并對其進行數值求解。

The explicit method is widely used for its simpleness and little memory consumed with local time step and variable coefficients implicit residual smooth to accelerate the convergence procedure . according to yoon and jameson ' s ideas , an efficient implicit lu - sgs algorithm is carefully constructed by combing the advantages of lu factorization and symmetric - gauss - seidel technique in such a way to make use the l and u operators scalar diagonal matrices , thus the numeric algorithm requires only scalar inversion . the computational efficiency is greatly improved with this scheme 顯式方法具有簡單,消耗內存小等優點,并采用當地時間步長、變系數隱式殘值光順等加速收斂措施,在定常流動的模擬中得到了廣泛的應用;根據yoon和jameson提出的簡化正、負矩陣分裂,構造的l 、 u算子只需進行標量對角陣求逆,極大提高了流場數值求解過程的計算效率;采用newton類型的偽時間子迭代技術使時間推進精度提高至二階。

An implicit lu - sgs ( lower - symmetric gauss - seidel ) finite - volume method is used for solving the full , compressible , two - dimensional navier - stokes and species transport equations . for turbulence closure a two equation ( k - e ) model is used . the combustion process in chemical nonequilibrium is modeled by a 7 - species , 8 - reaction steps finite - rate chemistry and is implicitly coupled with the fluid motion 采用lu - sgs有限體積法求解了包括兩方程( - )湍流模型和7組元8方程有限速率化學反應模型的緊耦合二維n - s方程,數值模擬了氫燃料在燃燒室內的化學非平衡燃燒過程。

In this paper , we consider the optimal parameter vector a of the modified incomplete gauss _ seidel method ( migs ) . we prove that the spectral radius function of the iterative matrix t of migs with parameter vector is strictly monotonic decreasing with respect to a satisfying 0 e if the classical gauss _ seidel method converges for a z _ matrix . some properties of the left and right eigenvectors corresponding to the largest eigenvalue in modulus are given , too . these results are useful to find an optimal parameter for migs 目前主要的方法有兩類:一是充分利用所給矩陣a的特點,采用適當的主元素選取策略,使分解出的因子盡可能地保持稀疏性;二是迭代法。對于第二種方法,迭代矩陣的選取具有決定作用。只有選取的迭代矩陣的譜半徑小于1才能保證迭代法收斂。

Based on the navier - stockes equation , the finite difference method was applied to variance the simplified n - s equation on cylindrical coordinate system . then , 3 - d model of the spiral flow locally generated in circular pipe with steady and axial - symmetry condition was founded . the ordinary iterative method of gauss - seidel was induced 太原理工大學碩士學位論文本文以局部起旋條件下的圓管螺旋流為模擬對象,從以速度和壓強為自變量的微分方程一navier一5tokes方程出發,利用有限差分法對柱坐標系下簡化后的n一s方程進行離散,建立定常的、軸對稱的三維計算模型。

And then we bring forward an approach to get the probability of steady - state based on gauss - seidel method and dynamic row - column techniques for the application of simulation in safety “ analysis , sampling techniques for sparse events are discussed , and importance sampling method is brought forward to increase sampling efficiency 論文提出了基于gauss - seidel方法與動態行列技術的分析方法。在仿真方面,主要探討了安全性定量分析中稀有事件問題的抽樣技術,并提出采用重要性抽樣法,以提高抽樣效率。

In order to calculate asynchronous motor ' s mater temperature accurately , a mesh on the calculation area in the stator was made at first , builded the area ' s thermal network mathematics model secondly , used the gauss - seidel iterative method to calculate the mathematics model finally 摘要為準確計算定子溫升,對計算區域進行了合理的網格剖分,建立了異步電機定子的熱網絡數學模型,采用高斯賽德爾迭代法對模型進行了求解。

In chapter 4 , some examples are given to illustrate that the convergence of saor - al - pcg method is better than the classical iterative method ( such as jacobi . gauss ? seidel . sor ) and the traditional cg method as well as ssor - pcg 第四章用實例證明了這種預條件共軛梯度法的收斂速度比古典的迭代法(如jacobi , gs , sor )和傳統的cg以及ssor - pcg要快一些。

In chapter 3 , gauss - seidel iterative method is discussed . if the sylvester equation coefficient matrices a , b are non - singular m - matrix , we use a splitting - up method which has a parameter in chapter 4 在第四章,對于系數矩陣a , b是非奇m陣的情況,本文將一種帶參數的分裂算法應用于求解sylvester方程。

Computer aided geometric design , 1989 , 6 : 323 - 358 . 7 seidel h p . symmetric recursive algorithms for surfaces : b - patches and the de boor algorithm for polynomials over triangles 2三角b樣條曲面的曲率分布具有“節點線”現象,也就是說在其曲率在三角面片的邊界上有“聚集”現象。

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Ieee computer graphics and applications , 1994 , 14 : 56 - 60 . 10 pfeifle r , seidel h p . fitting triangular b - splines to functional scattered data 該方法避免了繁瑣的手工調節控制點的操作,并且無需計算復雜的基于物理的光順泛函。

Based on phase - intensity transform principle , the simulation results of seidel aberration and zernike polynomial are provided 并在此基礎上討論了各類像差對干涉條紋的影響。

9 heidrich w , lensch h , cohen m , seidel h . light field techniques for reflections and refractions 使用新方法,我們能夠準確的計算出真實物體所對應的反射折射虛物體。

8 kautz j , seidel h . hardware accelerated displacement mapping for image based rendering 由輪廓線和ngis數字圖的建筑物高度,我們創建同一地區的高度場信息。

3 heidrich w , seidel h . ray - tracing procedural displacement shaders . in proc Vr模型應該周期性的更新以保證與真實世界的一致性。

Monotonicity of the spectral radius of modified incomplete gauss - seidel iteration for z - matrices 賽德爾迭代法譜半徑的單調性

9 greiner g , seidel h p . modeling with triangular b - splines 這也直接影響了三角b樣條曲面的視覺效果。