格法 的英文怎麼說
中文拼音 [géfǎ]
格法
英文
glaveebel process-
For a class of quadratic finite element diseretization systems of an elliptic boundary problem with jump coefficients under the unstructured quadrilateral grids, we are concerned with two kinds of quadratic lagrangian finite element equations, by analyzing the relationship between the linear finite element and quadratic finite element basis functions, a hew amg method is designed
摘要針對一類帶間斷系數的橢圓邊值問題，在非結構四邊形剖分下，討論了兩種二次拉格朗日有限元方程的代數多重網格法，通過利用雙線性元和二次元基函數之間的表示關系，給出了一種新的網格粗化演算法和構造提升運算元的代數途徑。The paper gave some methods for calculating the area of anomalistic area on plane, and then deduced the methods for calculating coordinates points and counting grids, and finally the paper gave another method of counting pixels
介紹幾種求取平面不規則區域面積的方法，再推演出專用於計算海域面積的坐標法和方格法，並給出一種適合計算機計算的數點法。The paper is based on an arcuated built - up system bridge - zhongshan no. one bridge to be built in guangzhou, adopts the large universal finite element programme ansys, takes spatial action among members into account, establishes a three - dimension finite element model, and discusses the following several aspects : firstly, when three - dimensional finite model of a complicated bridge is founded, a beam - lattice method is a kind of applied and effective spatial analysis method, which is used to analyze superstructures of a bridge
本文以廣州市中山一橋為背景，採用大型通用有限元程序ansys ，考慮構件間的空間相互作用，建立了三維的有限元模型，重點對以下幾個方面進行深入探討：首先，在對復雜的橋梁結構進行三維的有限元模型建立時，梁格法是分析橋樑上部結構比較實用而且有效的空間分析方法。Second, go deep into investigate the frame and calculate method of real options, apply formulation of gesk, black - scholes carr and margrabe to a instance, and compare the results of different formulations. make use of binominal lattice ^ finite difference and monte carlo to one instance. this paper suggests that the operable procedure and method copeland and antikarov provided with monte carlo simulation and binominal lattice is a best way
第二，深入分析實物期權應用框架和計算方法，利用gesk公式、 black - scholes公式、 carr公式和margrabe公式對具體的實例進行了計算比較，又採用二項網格法、有限差分方法和蒙特卡羅方法對實例進行了模擬計算。Based on basic principles of grillage method, an improved grillage model of wide cantilevers bridge deck is brought forth and its effectiveness is verified after generalizing rules of grillage meshing and sectional characteristic
基於梁格法的基本原理，提出了寬翼緣上部結構分析的改進梁格模型，並總結了梁格單元劃分和截面特性計算的一般方法，最後通過算例驗證了該模型和方法的有效性。Chapter nine, ten and eleven develop the discrete methods to price exotic options, in which chapter nine prices exotic options using the shooting target gird method, chapter ten prices the options using improved shooting target gird method when the underlying asset obeys cev process, and chapter eleven prices the double lookback options using five - bifurcation tree method. in the last chapter, application of option pricing theory is studied in executive stock option plan
第九、十、十一章研究的是用離散方法對變異期權進行定價，其中，第九章是用打靶格法對一列變異期權進行定價；第十章，用改進的打靶格法對標的資產的價格服從cev過程的變異期權進行定價；第十一章用五叉樹模型對雙回望期權進行定價。A highly efficient numerical algorithm by using multi - grid method ( mgm ) is introduced to solve the three dimensional field distribution in the present paper. formulae of the restriction and prolongation in mgm computation is deduced, and a 3d program of mgm is accomplished, which can solve the field distributions in electron optical systems for various electrostatic lenses. the 3d field distribution in an electrostatic concentric spherical model is tested with mgm algorithm and an algorithm based on finite difference method ( fdm ) respectively. comparing these two results in view of computational efficiency and computational accuracy, it appears that mgm is superior to fdm in solving electrostatic field distribution for the electron optics problem. this paper shows that the 3d field computation using mgm greatly improves the computational efficiency of field distributions in electron optical systems and shortens the computational time
本文將一種高效率的數值計算方法? ?多重網格法引入三維靜電場分佈的計算，多重網格法利用限制和延拓可迅速求得滿足精度要求的場分佈.研究了求解各種靜電透鏡電子光學系統三維場分佈的多重網格法程序，驗算了靜電同心球模型的三維場分佈.通過與目前在場計算中常用的有限差分法進行比較，可以看出多重網格法的計算效率和計算精度優于有限差分法.本文表明利用多重網格法計算三維場大大提高了場分佈的計算效率，縮短了計算時間，因此為后續計算打下了良好的基礎Comparing the results of one irregular box beam obtained by the gridiron method to that by fem, the characteristics of the application scope, merits and drawbacks of the gridiron method are convinced. it is shown that the gridiron method underestimates the results in contrast to fem when analyzing irregular box beams
對上德立交橋中的一聯異形箱梁通過不同的方法以及試驗進行分析和計算，詳細地說明了異形箱梁設計中常常使用的梁格法的適用情況和實際的效果。Meshless method with radial basis functions for helmholtz problem
問題具徑向基函數的無網格法Study on automatic hexahedral mesh generation method based on the local wave method
基於局部波形法的六面體自動分割網格法研究In the first part, the steady nonlinear vortex lattice method is adopted to calculate the hydrodynamic characteristics of open water ichthyoid rudder, and the induced velocity of ichthyoid rudder is calculated using panel method
本文理論計算部分，採用定常非線性渦格法計算魚形舵的水動力性能，用面元方法計算舵流場的誘導速度。The paper applies sdm in drawing the map of pollution areas. by synthesizing contaminated factor, saturated esdd and damp factor in pollution areas, the equal saturated esdd is presented. the isopleth map for equal saturated esdd is drawn by grid method based on kriging regression, and the isopleth map is regarded as the map of pollution areas
通過將影響污區分佈的積污因素、鹽密指標、濕潤因素這三種因素綜合為等效鹽密，運用克里金法實現等效鹽密的插值，最終通過網格法繪制等值線圖實現了電網污區分布圖計算機自動繪制。Methods for analysis and testing of coal and coke - liebig method
煤和焦炭分析與試驗方法.第106部分:李比格法Firstly, the research of this paper is focus on preflight global planning algorithm based on cell decomposition methods and artificial potential field methods
本文首先對基於柵格法和人工勢場法思想的離線航跡規劃演算法進行了研究。In this article, according to heat conduction theory, elastic creep theory and finite element theory, the temperature field and creep stress field in the arch dam during construction and operation are simulated and analyzed by means of three dimensional finite element relocating mesh method, and the distribution law of the temperature field and creep stress field in the arch dam during construction and operation are systematically studied, and according to the construction process of concrete arch dam, the effect of lamination placement, construction interval, elastic modulus change, thermal insulation change, surrounding temperature change, concrete creep and autogenous volume change on thermal stress in the arch dam are also considered
論文根據熱傳導理論、彈性徐變理論及有限元理論，用三維有限元浮動網格法對拱壩施工期和運行期溫度場、徐變應力場進行了全過程模擬分析，較為系統的研究了混凝土拱壩施工期和運行期溫度場、徐變應力場的分佈規律，在分析中按照混凝土拱壩施工過程，考慮了混凝土分層澆築、施工間隙時間、彈模變化、絕熱溫升過程、環境溫度的變化、混凝土徐變、自生體積變形等因素對壩體溫度應力的影響。Besides, the gauss interpolation function and the domain of support which includes much more nodal information than finite element method does is used to make meshless method much more earlier solve the large deformation and distortion and describe the local characteristic ( such as stress locality et al. ) more facilely
並由於在無網格法中採用了高次插值函數和包含有較多節點的支持域（在有限元法中的支持域只包含單元節點） ，從而使得無網格法能方便地處理變形畸變和應力應變局部化等問題。Fluid in cell method, flic method
流體網格法In the second part, firstly, the mathematical model for predicting hydrodynamic characteristics of varivec propeller under steady or unsteady condition are present, based on the general propeller lifting - surface theory, potential flow theory and green theorem. then, theoretical calculation methods for predicting hydrodynamic characteristics of varivec propeller designed above paragraphs are present, based on the finite basic solution method, the unsteady vortex lattice method and hess - smith method
在理論計算部分，本文首先基於常規螺旋槳升力面理論、勢流理論和格林定理建立了定常和非定常狀態下全方向推進器水動力性能計算的數學模型，然後利用有限基本解法、非定常渦格法和赫斯?史密斯方法對全方向推進器定常和非定常狀態下的數學模型進行了數值離散，接下來針對前面所設計的全方位推進器進行了數值預報。A new calculation method for optimizing diesel engine performance, called nonlinear regression - mess method, is put forward. in this paper, 25 groups of simulated values are calculated from the diesel engine working model, specific fuel consumption, peak pressure, rate of pressure rise, nox and peak temperature are fitted into explicit function about compression ratio and fuel injection advance angle
本文利用柴油機工作過程模型，得出25組模擬計算數據，利用非線性回歸將油耗、最大爆發壓力、壓力升高率、 no _ x濃度及最高燃燒溫度擬合成壓縮比和噴油提前角的顯函數，並用網格法進行優化，用c語言編制了優化計算程序，得出最佳的壓縮比和噴油提前角，使其優化匹配。So it is proved that the working model is right, and on the basis, the influences of the compression ratio and fuel injection advance angle on the diesel engine ' s combustion performance are studied. ( 2 ) energy resource and environment protection are two important problems that diesel engine is faced with. so in this paper the constrained optimization is studied in order to decrease fuel consumption within the limitation of the regulation on exhaust emission and power output
（ 2 ）能源和環境保護是柴油機存在和發展的兩大問題，因此本文在滿足排放法規及柴油機動力性的基礎上，以降低油耗為主要研究目標，進行有約束條件的優化計算，並提出了一種新的柴油機工作過程優化計算方法? ?非線性回歸?網格法。分享友人