方程的次 的英文怎麼說
中文拼音 [fāngchéngdecì]
方程的次
英文
degree of equation-
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 contents in this course include space right - angle coordinate system, vector ; hood face and its equation, curve and its equation, plane and its equation, beejine and its equation, conicoid
課件的教學內容包括空間直角坐標系、向量、曲面及其方程、空間曲線及其方程、平面及其方程、空間直線及其方程、二次曲面。As it can be expressed easily by argument equations, we use the conicoid as the criteria of points " classification. based on the point ' s normal and the adjacent field, corresponding to the conicoid equation such as plane, ball and cylinder, we search the points that fit the equation along the adjacent field. using this method, we realized the automatic classification of unorganized points
本文採用了可以比較方便地用參數方程表示的二次曲面作為數據點的分類標準,根據點的法向量以及其鄰域結點的各種屬性,對應于平面、球面、柱面等二次曲面,依據曲面方程的特點,從起始點開始沿鄰域深度優先遞歸尋找符合方程的數據點,實現了散亂數據點的自動分類。The method of descartes ' construction for 7 and 8 degree equations
八次方程的笛卡兒做圖Homogenization of ginzburg - landau equations
方程的齊次化The thesis includes three parts : firstly, previous study and latest advance of molecular motor in biology are outlined, including myosin ' s and kinesin ' s construction and function, the latest advance of molecular motor in constructional biology ; secondly, the latest advance of molecular motor in physics is reviewed, including the general view of brownian motor and two examples of molecular motor, one being related to two kinds of flashing potention energy, the other being related to electronical bipole ; and finally, the model on unidirectional motion of molecular motor is in detail come up with, and especially, the interact ion between two heads is taken into account, followed by the construction of langevin equation and fokker - planck equation involved in the model. by using solutions of fokker - planck equation, unidirectional motion mechanism of molecular motor is analyzed
本文內容包括:首先綜述生物學領域分子馬達研究的最新進展,內容安排為:肌球蛋白的結構和功能,驅動蛋白的結構和功能,肌球蛋白和驅動蛋白定向運動機制的結構生物學方面的最新進展;其次綜述並分析了當前研究分子馬達定向運動機制的幾種物理模型,內容安排為:分子馬達運動的基本觀點和建構模型的一般方法,勢壘的兩態漲落誘導的分子馬達運動模型,分子馬達定向運動的偶極子模型;最後討論雙頭相互作用的分子馬達模型,內容安排為:先詳細論述模型的構建,再建立langevin方程和fokker - planck方程,接著用差分的方法求解出fokker - planck方程的解,然後分析和研究分子馬達定向運動的機制。Based on the ostwald - de waele equation, the leakage characteristics of power - law transmitted by helical gear pump are researched, and the leakage model of power - law in the clearence is founded, and - the velocity distributing and the leakage capacity are worked out by the boundary condition. the power loss of leakage is got through the clearence leakage capacity, and the friction power loss is attained by the velocity distributing. the mathematic calculation model
利用冪律流體本構方程,首次對聚合物流體在斜齒齒輪泵中的漏流特性進行了研究,建立冪律流體在間隙中的泄漏模型,利用邊界條件求出速度分佈及泄漏量;由間隙泄漏量得到漏流損失功率,由速度分佈得到流體摩擦功率損失,並得到間隙最優解的數值計算數學模型,同時給出實例及數值計算結果。The girls, by comparison, would be at school learning how to solve quadratic equations
相反,不帶女兒來上班,她們是可以在學校里解二次方程的。This program calculates the root ( s ) of the quadratic equation with very common and simple algorithms
這個程序能用非常普通和簡單的演算法來計算一個二次方程的根。Quadratic equation solver - this program calculates the root ( s ) of the quadratic equation with very common and simple algorithms
這個程序能用非常普通和簡單的演算法來計算一個二次方程的根。Normalization of quadric hypersurface equation in n - dimension affine space
維仿射空間中超二次曲面方程的規范化Descartes's solution of a depressed quarto equation employs the method of undetermined coefficients.
笛卡兒的分解四次方程的解法採用待定系數。Thirdly, multimode - coupling phenomena in cylindrical geometry was analyzed by the simulation. the growth of every mode and its harmonic was qualitatively compared well with the solutions of mode - coupling equation. fourthly, the rt instability in cylindrical and spherical geometries was calculated during an implosion
第三,利用lared一s程序模擬柱幾何中rt不穩定性的多模禍合問題,對各個模及其高次諧波的變化進行了分析,並且與模藕合方程的解定性地進行比較,結果符合得較好。The theoretic calculating method of the maximum and the minimum water level in the differential surge tank has been derived firstly. also the explicit method of calculating surges in the differential surge tank has been deduced firstly by use of thaler series expansion. the calculating method of section of the well and the effective impedance hole in the surge tank has been gived
根據差動式調壓室的基本微分方程,首次推導出了差動式調壓室涌浪幅值的理論計算公式;並同樣利用泰勒級數展開方法推導出了差動式調壓室水位波動的顯式計算式;導出了差動式調壓室大井面積和有效阻抗孔面積的計算方法。This paper provides the functional equation of general rooted maps with the number of inner faces, the rooted face valency and the number of non - rooted vertices as parameters on the torus, and gives an explicit expression of the enumerating function of these maps with the number of inner faces and of non - rooted vertices, then the number of these maps with the size as a parameter whose asymptotic result had been obtained in [ 2 ] is obtained as a corollary
這篇文章給出了環面上以內面個數,根面次和非根節點個數為參數的一般有根地圖的計數方程,導出了以內面個數和非根節點個數為參數的這類地圖的計數方程的精確解.作為推論,推出了以邊數為參數的這類地圖的個數,其近似解在文獻[ 2 ]中已討論Thirdly, an ideal satellite orbit is simulated, and on this foundation, we establish some typical simulation and testing circumstances. lastly, after simulation in the simulation and testing circumstances, we compare the performance of ukf and ekf. and then, based on the outdoor experiment of the vehicle, an analysis and contrast between our simulation results and commercial data process software is carried out, and the conclusion is obtained
首先在第三章提出的目標運動模型的基礎上建立了系統狀態方程;其次簡要分析了衛星導航系統中的各類誤差,建立了基於偽距觀測量的系統觀測模型;第四節利用yuma格式歷書數據模擬了未受攝動影響的衛星軌道,並在此基礎上建立了幾種典型的動態模擬測試環境;第五節為模擬分析和比較,先對ukf演算法和ekf演算法在動態模擬測試環境中進行了模擬比較,然後針對外場試驗,對非線性濾波獲得的定位結果與商業軟體進行了分析比較,並得出結論。In this paper, i consider the traveling wave solutions and peakons of the generalized camassa - holm ( gch ) equation and give the express of the solitons of this equation. the peakons and their figures of the gch equation are given with the mathematic software for m - 1, m = 2 and m = 3 in particular ; for m = 3, i get the generalized dissipative camassa - holm equations by adding a dissipative term and find two types exact traveling wave solutions of this equations. i also apply the homogeneous balance method into the gch equation so that i get a group of smooth solutions for m = 2 and m = 3 and the backlund transformation for m - 3 of the gch equation
本文研究廣義camassa - holm ( gch )方程的行波孤立子解及尖峰孤立子解,給出gch方程的行波孤立子解的表達式,特別的,對m = 1 、 m = 2 、 m = 3時利用mathematica數學軟體進行計算,解出了gch方程的尖峰孤立子解,並給出了此時gch方程的尖峰孤立子解的圖形,使數值分析和理論相結合;對m = 3時的gch方程增加一耗散項u _ ( xx )后得到廣義耗散camassa - holm方程,並解出此方程的兩類精確行波解;本文將齊次平衡法應用到gch方程中,解出m = 2 、 m = 3時的gch方程的一組光滑解,同時應用此方法得到了m = 3時的gch方程的backlund變換。By performing fourier transformation, the relationship between the turbulent intensity of the particle and that of the carrier fluid was obtained which makes clear that particle size, specific gravity, velocity gradient, and the characteristic frequency of energy - containing eddies are four basic influencing parameters. it is proven theoretically that under certain conditions, the stream - wise and transverse particle turbulent intensities exceed those of the carrier fluid. based on the equations of two - phase flow, the presence of fine sediment suspension is shown to attenuate the turbulent intensity of the water
通過對細小顆粒在剪切流場中運動方程的fourier分析,得到了顆粒脈動強度和流體脈動強度之間的定量關系,表明顆粒粒徑、顆粒密度、流速梯度以及紊動場含能旋渦的特徵頻率是影響顆粒脈動強度的主要因素,首次從理論上證明了在一定條件下,顆粒在縱、垂向的脈動強度均會超過相應的流體脈動強度,為已有的實測資料提供了合理的解釋。The research aims at the demonstration and the mend of the design on the new purifier and presents a calculation method for solving the two - phase flow in fluid machine by the finite element method. after analyzing the two - phase flow in the new purifier by means of the continuum model, poisson equation, navier - stokes equation and continuous equation are derived and solved by using the finite element method. the solution on pressure, velocity and particle concentration simulates the departure well between oil and water, which proves the accuracy of the design on the new purifier
本文採用兩相流連續介質模型,由兩相分離流動理論得到控制方程,採用chorin的直接速度-壓力mac法的思路,對新型油水分離裝置內油水兩相流動作了細致的分析,同時首次把科氏慣性力引入兩相流模型中,進行分析和計算,將研究擴展到三維,並用有限元法分別解poisson方程、 n - s方程、連續方程的方法,對流場內壓力場、速度場、濃度場進行了分析和計算,較好地模擬了新型油水分離裝置內油水分離的現象,證明了設計方案的正確性。By using the nonlinear estimate in chapter 4 together with the strichartz estimates of linear wave equation, we prove the global well - posedness of the self - similar solution of the wave equation with general nonlinear term
> s 。時,分別稱h 『 , hs ) p , h 『為對應於三類方程的次臨界空間,反之則為超臨界空間.取自相似解初始條件的一個特例tl 。分享友人