finite element equation 中文意思是什麼

finite element equation 解釋
有限元方程
  • finite : adj. 有限的；【語法】限定的；【數學】有窮的，有盡的。n. 〈the finite〉 有限（性）； 〈集合詞〉有限物。adv. -ly ,-ness n.
  • element : n 1 要素；成分；（構成）部分；分子。2 【化學】元素；【數學】元，素；【機械工程】單元；單體；【無...
  • equation : n. 1. 平衡，均衡；平均，相等。2. 【數學】方程式，等式。3. 【天文學】（時）差；均分，等分。4. 【化學】反應式。
  1. Error estimates of characteristic finite element method for nonlinear advection - diffusion equation

    非線性對流擴散方程特徵有限元法的誤差估計
  2. Fist of all, on the basis of the research of agone boffins, this author investigates the interaction mechanism of bolts and rock, and introduces the elastic ? lastic analytical resolution which is consist of the liner structure, the equivalent reinforced wall rock and the original wall rock in the simple loading from the equivalent well - proportioned view ; this solution is very important meaning for the engineering design. on the basis of coulomb friction model, the author introduces the finite element equation of the contact problem in order to provide the academic foundation for the application of msc. marc. finally, combining the engineering practice of the non - linear analysis of shield tunnel through yellow river of the south - north water transfer and using the model of friction, the author researched the evolution law of stress and displacement field in the structure of grouted rock bolts, and analyzed the effect to the stress and deformation of surrounding rock mass due to anchor supports

    首先，在前人研究成果的基礎上，對錨桿與圍巖的相互作用機理進行研究，利用全長錨固錨桿的中性點理論，從等效均化的角度來考慮錨桿對圍巖的加固作用，並推導了在簡單荷載作用下，含有襯砌、等效加固后的圍巖、原始圍巖三者的彈塑性解析解，對工程設計有著重要的參考意義；在數值模擬方面，以考慮錨固圍巖滿足規則化庫侖摩擦模型為基礎，利用虛功原理推導了接觸問題的有限元方程的計算格式，為開發運用大型商用有限元軟體msc . marc提供了理論根據，也形成了本文的理論基礎：最後，論文以南水北調東線穿黃隧洞穩定性分析項目為工程實例，利用本文所述的接觸問題的摩擦模型理論，對錨桿支護結構的應力場、位移場的變化規律進行了研究，分析了加錨支護對隧洞圍巖應力、變形的影響。
  3. Then the finite element equations are derived with the effective heat capacity method. common time - stepping method and precise time integration ( pti ) method are used to solve the equation

    然後基於等效熱容法推導了伴有相變過程的傳熱控制方程的有限元列式，並且分別研究了用常規的時間差分法和精細積分法求解上述有限元方程。
  4. A ' method of analyzing the stresses of the lining of fiber enlaced composite cylindrical shell under internal pressure is raised through building the theory equation with putting the ring shaped stiffener on the point of enlancing fiber. the result is good fit with the traditional finite element analyzing system

    並結合對承受內壓的纖維纏繞復合材料圓柱殼進行了分析，通過建立理論方程提出了把加強環點建立在纖維纏繞處分析圓柱殼內襯應力應變的方法，計算結果與傳統有限元分析系統計算結果相吻合。
  5. Thirdly, while analyzing composite materials shell structure, the structural pre - flection nonlinear equation and engenfunction for resolving flection load are separately simplified in the axis symmetry shell ' s flection finite element analysis

    本文在分析復合材料殼體結構時，軸對稱殼體的屈曲有限元分析對結構前屈曲非線性方程及屈曲載荷求解中的特徵方程分別作了簡化。
  6. In this pater, we define a new numerical method called the characteristic mixed finite element method for approximating the solution to two kinds of evolution equation

    本文針對兩類發展方程提出一種新型數值模擬方法? ?特徵混合有限元方法。
  7. The wing is modeled structurally by vibrational modes, which are used as amplitude of motion by a finite element analysis. conservative full - potential equation and three dimensional unsteady euler equation are used to compute the unsteady transonic flows around airfoil and wings under simple harmonic motion

    以給定機翼模態分佈下機翼上各點的模態值作為運動幅值，以三維非定常全位勢方程和三維非定常euler方程為控制方程，求解三維機翼簡諧運動下的非定常氣動力。
  8. It adopts reynolds time - average n - s equation and k - ? turbulence model to calculate the inner 3 - d viscid turbulence flow of centrifugal pump. in the unstructured grid, the governing equations are discretized with finite volume method based on finite element method. then the pressure correction method is used to carry out numerical calculation

    而後採用基於雷諾時均n - s方程與標準-湍流模型來求解離心泵葉輪內三維粘性紊流，在非結構化網格中，採用基於有限元的有限體積法對方程進行離散，用壓力校正法進行數值求解。
  9. Considering the characters of the viscoidal turbulent flow over high - speed train, the computing model of the outer fiow field for high - speed train has been established based on the incompressible fluid navier - stokes epuation and the turbulent model of ke two equations. the equation set of the flow field problem via finite element methods ( fem ) has been set up

    根據高速列車粘性紊態繞流的特點，在較少簡化的條件下以navier - stokes方程和-兩方程紊流模型為基礎，建立了高速列車外流場的計算模型，在近壁區域採用壁面函數修正紊流模型。
  10. 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。
  11. Finally, a correlative equation about bearing capacity of this structural member under bending and torsion is deduced, which may provide design of such structural members a valuable reference. to imitate centrifugal concrete - filled steel tubes used in real structures, three - dimension models are built up by using finite element method. the resistance performance of this structure under complex loads is studied

    利用三維有限元模擬分析方法對離心鋼管混凝土在彎扭組合作用、彎壓組合作用、壓扭組合作用下的構件彈性應力分佈進行了研究，分析了離心鋼管混凝土構件在組合作用下的工作機理和承載力的相關關系。
  12. According to the shear - type floor model of frame structure, a basic control equation is constructed to analyze the nonlinear seismic responses of structure equipped with edd - bracing system. subsequently the dynamical finite element analysis are carried on to obtain the seismic response of a twelve - floor r. c frame with the three edd - bracing system under minute earthquake and disastrous earthquake, and the conclusions provide useful references for practical earthquake - resistant design

    基於框架結構剪切型層模型，建立了耗能阻尼器對建築結構非線性地震反應的基本控制方程，由此進行了某十二層鋼筋混凝土框架結構設置三種耗能阻尼器在多遇和罕遇地震下的動力有限元分析，為進行實際結構設置耗能阻尼器的抗震設計提供了有益的參考。
  13. The finite element equation for linear and nonlinear panel flutter analysis using the triangular three nodal mindlin element ( min3 ) which considers the first order shear strain in the plate is formulated

    （ 3 ）使用三結點三角形mindlin板單元（ min3單元）推導了壁板熱顫振的有限元方程。
  14. Nonlinear electric field transient finite element equation is performed based on the backward euler method and the variational principle

    摘要基於後退歐拉法和變分原理推導了非線性電場的暫態有限元方程。
  15. An algebraic multigrid method of the high order lagrangian finite element equation in r

    求解三維高次拉格朗日有限元方程的代數多重網格法
  16. With the 300mw turbo - generator as an example, the effects of saturation on operational characteristics and the stator and rotor ' s practical dimensions and configuration on the saturated characteristics have been studied ; some work on the grid division strategy considering the practical dimensions and configuration and the precision of the nonlinear finite element equation also has been studied. then the program for calculating and analyzing turbo - generaors " steady characteristics has been compiled and devised

    本文在系統地研究了汽輪發電機運行特性（飽和特性、短路特性、零功率因數負載特性和u形曲線） 、非線性有限元方程計算精度、定轉子實際結構對飽和特性的影響及計及定轉子實際結構時的剖分策略等問題之後，進一步研究開發了適于不同型號汽輪發電機穩態分析的通用性有限元軟體。
  17. It discusses the influence factors of pile groups effect, such as pile space, pile number, pile diameter, pile length and soil parameter etc. subsequently, using linear interpolation function to approximate the soil ' s anti force to piles, the article combines p - y curves with pole system fem. in this way, a new pile - soil interaction element calculated model is designed, the pile - soil interaction element stiffness matrix is deduced, and establishes finite element equation of p - y model, writes the relevant finite element program with matlab language, calculates and analyses pile groups subjected to lateral loads with engineering examples

    隨后，本文將p - y曲線法與桿系有限元法相結合，採用線性插值函數來逼近土對樁的約束反力，得到新的樁?土相互作用的單元計算模型，推導了樁?土相互作用的單元剛度矩陣，建立了p - y模型的有限元求解方程，用matlab語言編制了相應的p - y曲線有限元法計算程序，進行橫向承載樁的計算分析。
  18. Three dimensional finite element equation of damage simulation of large concrete structures

    大體積混凝土結構的損傷模擬有限元方程
  19. In view of the difficulty to solve fuzzy finite element equation by using the existing methods, a new solution approach based on th perturbation method was proposed

    該方法假定當不確定參數相對于其清晰值的分解度不很大時，可以將其在清晰值附近作攝動展開。
  20. The appliance range of traditional tree - gauge arithmetic is narrow. this paper provide a new method of the choice of the tree. this method is based on the matrix and the finite element equation, so it can be called matrix method. this mathod adopts 1 range number of the matrix as the condition to choose branches of the tree, it is theoretically optimal, the analyses of calculation also shows that this arithmetic is excelled traditional method

    本文提出了一種新的樹規范選擇演算法。這種演算法是建立在對系數矩陣與有限元方程進行分析的基礎上的，所以被稱為矩陣法。由於採用了向量的1范數作為選擇樹支的條件，所以這種演算法在理論上是最優的，實際的算例的分析也表明這種演算法優于傳統演算法。
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