finite element force method 中文意思是什麼

finite element force method 解釋
有限單元力法
  • 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...
  • force : n 1 力,勢。2 體力,氣力,精力,魄力。3 暴力,壓力;兵力,武力。4 〈pl 〉 部隊,軍隊,兵力。5 勢...
  • method : n 1 方法,方式;順序。2 (思想、言談上的)條理,規律,秩序。3 【生物學】分類法。4 〈M 〉【戲劇】...
  1. In the paper, the study of analysis method of internal force for curved - beam bridge structure analyzed by spacial method of curved - bar grillage finite element method is introduced

    本文對彎梁橋採用曲桿梁格有限元法進行空間結構分析時的內力計算方法進行了研究。
  2. The penetration test study the disturbance of soil in difference location. by using finite element method, the paper study the stratum movement and the earth surface deformation caused by pipe jacking, analysis the construction parameter such as head pressure, deflexion, friction force impact on earth surface deformation, give the distributing rule and range of additional soil pressure in soil

    採用有限元計算分析的方法,對頂管施工引起的地層運動及地表位移進行研究,分析了機頭土壓力、機頭偏斜、摩阻力等不同施工參數對地表變形的影響以及附加應力在土中的分佈規律和影響范圍。
  3. Besides, this paper adopts the random finite element method, uses geometric and physical mechanical parameters that are relevant to lining weight of surrounding rock, coefficient of lateral pressure, height or buried depth of vertical loading, elastic resistance coefficients of surrounding rock, elastic modulus of support structure, unit weight of concrete, thickness of the structure as well as torsional strength and compression strength of concrete and etc., as random variables, applies the monte - carlo method to sampling by computer, preliminarily evaluates the reliability of bearing capacity and stability of molded concrete lining of the xuefeng mountain tunnel, and obtains the related displacement of the lining, mean value and variance of internal force, and computed the reliability index of lining structures

    此外,本文採用隨機有限元方法,將圍巖容重、側壓力系數、垂直荷載高度或埋深、圍巖的彈性抗力系數、支護結構的彈性模量、混凝土容重、結構的厚度以及混凝土的抗扭與抗壓強度等與襯砌結構有關的幾何與物理力學參數作為隨機變量,應用蒙特卡洛理論進行計算機隨機取樣,對雪峰山隧道模注混凝土襯砌的承載力與穩定性的可靠度進行了初步評估,得出了襯砌的相關位移與內力的均值和方差,並計算出了相應的襯砌結構可靠指標。
  4. Presents the model proposed for analyzing the vibration characteristics of shrouded blades and their calculation method by employing a wave propagation theory and modal synthesis technology coupled with a finite element method from the view point it is possible not only to conduct frequency modulation of the shrouded blades of a gas turbine, but also to utilize the friction effects between them to dissipate energy, thereby attaining the aim of vibration alleviation, as shrouded blades have been widely used in the design of high - speed turbomachinery, such as modern gas turbines and steam turbines, and with the shrouded blades forming an integral whole in a centrifugal force field, the vibration characteristics of the whole ring of blades are different from those of a single isolated blade, and this makes it essential to take into account the integral effect of blade shrouds, concludes from the calculation examples and engineering application that the above approach is valid and correct along with the possibility of considerably reducing the scale of calculation and analysis, and points out it is necessary to take into consideration the coupled effect of the whole ring of blades while the dynamic characteristics of shrouded blades is being analysed

    帶冠葉片不但能調頻,還可以利用葉冠之間的摩擦效應來耗散能量,達到減振的目的.帶冠葉片在離心力場中形成一整體,其整圈葉片振動特性不同於單個孤立葉片,需考慮葉冠的整體效應.利用帶冠葉片系統的循環對稱性,提出了採用波傳播理論和模態綜合技術,結合有限元方法研究燃氣輪機帶冠葉片振動特性的分析模型和計算方法.算例和工程應用證明了該方法是效性的、正確的,並可以大大降低計算分析規模.研究表明帶冠葉片動力特性分析時必須考慮整圈葉片的耦合效應
  5. The layered combined finite element model is taken in the finite analysis of concrete and bonding bar. in the nonlinear analysis ofunbonded prestressed concrete, the effect that unbonded tendons acts on concrete is replaced by equivalent force in the method of equivalent prestress

    在有限元分析中,混凝土和粘結鋼筋採用分層組合式的有限元模型,在無粘結預應力混凝土的非線性分析中,將無粘結預應力筋對混凝土的作用,借鑒預應力的荷載平衡法,用其等效力來代替預應力作用。
  6. In this paper, the drive theory of the large ratio friction transmission is studied ; a new type elliptical cam wave generator is designed ; the large ratio friction transmission prototype is designed and manufactured ; based on the ansys finite element method software, structure of the elliptical cam is analyzed ; precision index of the manufactured large ratio friction transmission prototype, such as transmission accuracy, least step, stability of the least step, load capacity is measured by the absolute rotary encoder. by analyzing the measurement data and research content, it is think that the new elliptical cam wave generator could overcome a good many problems brought by processing errors, facilitate size precision adjustments, input moment can be achieved in the form of a pure force couple importing ; through this study, " the large ratio friction transmission prototype " could apply in practical engineering basically

    本文研究了大速比摩擦傳動的傳動理論;設計了新型橢圓凸輪波發生器,設計製作了大速比摩擦傳動樣機;用軟體ansys對所設計的橢圓凸輪結構進行了有限元分析;用19位絕對式編碼器測試了大速比摩擦傳動機構的傳動精度、最小步距、最小步距的穩定性以及帶負載能力等各項精度指標;對測量數據和研究內容進行了歸納和整理,認為新型橢圓凸輪波發生器克服了加工誤差帶來的諸多問題,新型橢圓凸輪波發生器可以進行尺寸精度調整,能夠達到輸入力矩以純力偶的形式輸入;通過本項研究,基本可以使「大速比摩擦傳動機構」在工程中得以應用。
  7. Finite element internal force method is presented in this paper to solve it, based on the result of the routine method. this method utilizes the condition of internal force balance of arch system and beam system to solve their internal forces, then to solve dam body ' s equivalent stresses

    為此,本文提出了有限元內力法,該方法是根據常規有限元法的分析結果,利用拱和梁的內力平衡條件求解拱梁內力,然後求解壩體等效應力。
  8. Thirdly writer, using linear elastic theory and finite element program ( ansys ), analyzed expanding bolt pullout test. fifthly, writer using the modified mohr - coulomb failure theory, on the base of curving failure surface, derived a theoretical formula between pullout force and compressive strength. then the thesis compared the formula with the strength - detecting formula of expanding bolt pullout method

    本文採用ansys有限元程序對脹栓拔出法試驗過程進行彈性理論分析;以修正的摩爾-庫侖破壞準則,在擬合實際破壞面的基礎上推導出極限狀態下脹栓拔出法的混凝土拔出力與混凝土抗壓強度的理論公式,並把該公式與脹栓拔出法測強公式進行了比較。
  9. In chapter 4, the model - building principle and calculating method of finite element dynamic analysis for large - sized assembled structure are discussed. the substructure model for hydropower house vibration analysis is established to obtain precise modal of generator floor. the harmonic vibration assumption is adopted to calculate house structure ' s dynamic response from hydraulic excitation force of hydraulic turbine generator unit

    第四章討論了大型組合結構有限元動力分析的建模原則和計算方法,建立水電站廠房振動分析的下部結構模型,對巖灘廠房進行整體模態分析,較準確地得出發電機層樓板自振特性;同時引進簡諧振動假定,迸行了機組水力振動作用下的廠房結構的動力響應分析。
  10. This article establishes a suitable mechanical model for urban mass transit continuous welded rails longitudinal force research, which is widely based on the real situation and draws up the nonlinear finite element method program, and is verified by practical examples

    摘要?了對城市軌道交通無縫線路縱向力進行研究,根據實際結構建立了力學模型,編制了非線性有限元程序,並通過實例進行驗證。
  11. Fourthly, with the finite element program, the author analyzes the relationship between the load magnitude or frequency and range of breakage or pore pressure. this can provide appropriate parameters for the method of vibrating grouting. fifthly, adopting the compressible porous medium, the author adduced dynamic theory of liquid saturated porous medium to analyze the displacement and force in the sand when there is dynamic load below the earth surface

    基於連續介質力學的混合物理論建立的多孔介質理論和動力控制方程,假設砂土滿足各向同性並處于彈性小應變狀態,豎向振動力將在飽和砂土內部產生三種波,分析了這些波的彌散曲線和特徵衰減曲線,從波傳播的角度,研究了振動力參數和土性參數對振動范圍的影響。
  12. In order to study the deformation and rolling force during finishing of steel flats, an analytical model based on elastic plastic finite element method was established to simulate systematically the whole finishing process

    摘要為研究扁鋼精整過程中的變形和軋制力的變化規律,利用彈塑性有限元方法建立了扁鋼精整過程的分析模型,系統地模擬了扁鋼精整的全過程。
  13. B ) equivalent circuit method and finite element analysis ( fea ) to compute the static force are presented, the results obtained by each method are compared one with the other. c ) the results of dynamic simulation by means of the software, ansoft show the hlfm " s characteristics when the motor works in the special frequency and single stroke and the conditions used for position control. d ) the measured static thrust - displacement characteristics and the dynamic characteristics during starting show good correlation with the calculated results

    在設計並製作了實驗樣機的基礎上所做的研究內容包括; ( 1 )分別用能量法和麥克斯韋張量法推導電磁力的計算公式,並討論他們的不同應用范圍; ( 2 )分別用等效磁路法和有限元法作直線力電機的靜特性分析,並比較分析它們的計算結果; ( 3 )用有限元模擬軟體做直線力電機動態特性的模擬,分別分析直線力電機的頻率特性、動子開合閘特性和開環位置控制的工作特性; ( 4 )做直線力電機的靜推力?位移特性實驗和動子開合閘的動態實驗,並將實驗結果與計算結果進行對比,實驗驗證了計算模型及計算方法的正確性。
  14. Aimed at the active - pulling control features of lifting - cable in vertical lift process, finite element optimum design method was adopted, the problem of calculation of lifting - cable force was solved, the trend of lifting - cable force was also analyzed, the results of theoretical calculation are applied to the real project, get good effect

    針對豎轉提升過程中提升索主動張拉的控制特點,採用有限元優化設計的方法,解決了提升索力計算的問題,並分析了提升索力的變化規律,將理論計算結果應用於工程實際。
  15. The method, based on the finite element theory, force - method theory, increment method and middle stiffness method, making use of the increment of curvature of the section, works out the increment of load applying and is proved in this thesis

    接著,本文根據有限單元和力法原理、增量法及中點剛度理論,提出了本文暫且命名為曲率力法的非線性分析方法。該方法通過增加截面的曲率來反求框架外加荷載的增量,並在文中以試驗的框架模型為例,給出了整個推導過程。
  16. As the deformation caused by centrifugal force is beyond the small deformation range, the large deformation effect was also taken into account in the equation. two models are constructed, one is of shrouded blade and the other is of bladed disc. the static natural frequencies and dynamic frequencies ( under 3000rpm ) are calculated by the finite element method and cyclic symmetry technique

    針對葉片的結構特點,採用適應較強的三維八節點實體單元模擬葉片,建立葉片運動微分方程;葉片?輪盤系統在高速旋轉時,受到離心力作用,使葉片發生大變形,故在方程中考慮了幾何大變形的問題;為研究葉根輪緣之間的接觸狀態,建立了考慮葉根?輪緣接觸的有限元方程,利用拉格朗日增廣演算法來求解該方程,確定葉根輪緣之間的接觸面狀態。
  17. For the first time, based on frame structure with large thick raft plinth and many engineering examples, analytic method of interaction that means the analysis on three parts above as a whole with a full consideration of interaction thereof that met the need of the deformation correspond on the boundary was used to research on the interaction of structure and groundsill in this paper. and five models were adopted, which were : ( 1 ) a tube with symmetrical double - axis structure and symmetrical loads, ( 2 ) two tubes with symmetrical double - axis structure and symmetrical loads, and ( 3 ) a tube with symmetrical single - axis structure and symmetrical loads, and ( 4 ) two tubes with symmetrical double - axis structure and unsymmetrical loads, and ( 5 ) two tubes with unsymmetrical structure and loads. based on the middle - thick slab theory from mindli and the model for groundsill from winkle, the deformation character of raft foundation and the distributing rule for resisting force of fundus were studied in details by using b ig - style fem ( finite element member ) software, ansys

    本文結合了大量的工程實例,以大底盤框架厚筏結構形式為研究對象,針對單個和多個塔樓布置於同一個大底盤框架厚筏基上的復雜結構體系,分( 1 )一個塔樓:結構布置雙軸對稱,荷載對稱的情況; ( 2 )兩個塔樓:結構布置雙軸對稱,荷載對稱的情況; ( 3 )一個塔樓:結構布置單軸對稱,荷載對稱的情? ; ( 4 )兩個塔樓:結構布置雙軸對稱,荷載不對稱的情況; ( 5 )兩個塔樓:結構布置和荷載均不對稱的情況等五種組合情況,全面系統地探討了上部結構?基礎?地基相互作用的大跨度基礎、基礎板變形特徵及其基底反力的分佈規律。
  18. That is, by the calculation of the anti - thermal deformation quality factor and synthetic quality factor of some typical primary mirror materials, the primary mirror material is selected scientifically and rationally. by the finite element method and the conception of structure rigidity quality factor, researching the relation between the light - weighted cell shape, the mirror thickness and mirror structural rigidity quality. by the force - thermal coupling analysis of the primary mirror assembly, the relations between the thickness, height of the flexible support reed and primary mirror synthesis surface figure error ( p - v ) have been researched

    即,通過對常用主鏡材料的抗熱變形品質因數和綜合品質因數的定量分析,科學地完成了主鏡的選材;應用有限元分析方法,藉助于結構剛性品質因數的概念,研究了主鏡輕量化孔的形狀和主鏡厚度對鏡結構剛性品質的影響;通過對主鏡組件的力熱耦合分析,研究了主鏡柔性支撐簧片厚度與高度對主鏡面形的影響。
  19. 2. based on the muller - breslau principle, formulars of equivalent nodal loads for the curved - and straight - beam element while occuring unit relative constrained displacement have been deduced. the influence surface of the internal force for grillage has been analyzed by combining kinematic method with finite element static method, using the superposition principle applied to little deformation

    根據米勒-布雷斯勞原理,推導了曲梁、直梁截面發生單位強迫相對位移時的等效結點荷載計算公式,運用小變形的疊加原理,將梁格機動分析與梁格有限元靜力分析相結合建立了內力影響面。
  20. On the basis of these conclusions, the stability of natural 2 # landslide body of hongjiadu hydraulic power plant is analyzed with this finite element iteration method and the uniform value off on the sliding surface of the landslide body is inversed. meanwhile, the stability of scaled 2 # landslide body of hongjiadu hydraulic power plant is analyzed and downslide force of scaled 2 # landslide body and normal stress and shear stress on the sliding surface are obtained. in addition, the results provide a reference for reinforcing structure ' s layout

    在此基礎上,文中用該方法對天然狀態的洪家渡水電站2 #塌滑體進行了穩定分析,反演了塌滑體滑動面上均化的f值,對部分削坡后的洪家渡水電站2 #塌滑體進行了穩定分析,獲得了部分削坡后塌滑體的下滑力和滑動面上的正、剪應力分佈,為加固結構布置提供了依據。
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