linear beam element 中文意思是什麼
linear beam element
解釋
線性桿件-
It ' s an ideal structural system and has multi - earthquake resistance ability because of a great deal of slabs removed in floors above the transfer - story amended the lateral stiffness of the stories near the transfer - story. based on the available references, the five - spring line element, the three - spring line element and the multiple vertical - line - element model are introduced to model special column, beam and shear - wall, the relevant stiffness matrixes are deduced and the restoring - force models are gaven to deep into the elasto - plastic seismic characteristics of the structure. acording to the results of shaking table test and elastic finite element analysis, a new making model melhod is presented in which uses the linear and the nonlinear element and the assumption that the floor is infinitely rigid in different areas
為進一步研究這種復雜高層建築結構的彈塑性性能，本文在國內外現有研究的基礎上，提出利用五彈簧桿元、三彈簧桿元及多豎線單元模型分別模擬空間柱、梁和剪力墻，推導了相應的剛度矩陣並給出了恢復力模型；結合試驗研究和精細有限元分析的結論，提出線性和非線性單元相結合，剛性樓板假定和彈性樓板相結合的建模方法，較好地解決了空間結構彈塑性分析中佔用計算機資源較多的問題；接力大型有限元分析程序? ? ansys ，在上述建模思路的指導下建立了結構的空間非線性分析模型，進行了空間三維彈塑性時程分析。 -
Second, the dynamic equations of a manipulator with flexible links and non - linear torsion springs are developed by using flexible rotor beam element
接著，利用柔性轉子梁模型，推導出了具有柔性桿件和柔性非線性關節機器人的動力學方程。 -
According to the finite element method result, the parametric vibration of cables in cable - stayed arch bridge becomes prone to be exhibited. then a model of non - linear parametric excitation vibration coupling the stayed cable and the girder, namely, the mode of cable - stayed beam, is proposed in the thesis. and the nonlinear dynamical
3 、首先利用有限元分析方法，得出了斜拉索發生參數共振的可能，然後建立了斜拉拱橋拉索-橋面耦合參數振動模型，即索-梁組合結構模型，推導了索-梁組合結構非線性運動方程，利用多尺度方法研究斜拉索的參數共振和亞諧波共振，並對穩態解的穩定性進行了分析。 -
The tapered beam element is used hi the fem. with the fem. the linear static and in - plane stability analysis of the frames are carried out conveniently
本文開發了一套變截面梁單元有限元分析程序，可對變截面門式剛架結構體系進行精確的靜力計算與平面內穩定性分析。 -
Furthermore, the paper also provided the approach of non - linear finite element of this new type of composite structure, hi which the factors of cracking of small type hollow concrete block and dark beam ' s stiffness were being considered. at the same time, the time history analysis and stress cloud chart of this spatial structure
另外，本文還提出了可考慮馬牙搓連接及暗梁剛度的非線性有限元計算模型，對該結構體系進行了時程反應分析、做出了三維結構的應力雲圖，全面地分析了該結構形式的受力特點和抗震性能。 -
Subsequently, two kinds of basal movable element models actuated by sma are studied, they are bidirectional bending beam element which can yield bending deflection, and linear actuating element with linear displacement output
研究了兩類基本的sma驅動單元模型：具有彎曲變形輸出的雙向彎曲梁單元和具有直線性位移輸出的軸向伸縮單元。 -
Based on the virtual work increment equation of updated lagrangian formulation, tangent stiffness matrix of spatial beam / truss element is obtained. according to base assumptions and catenary equation of cable, the iterative formulations of tangent stiffness matrix and nodal force of the spatial two - node catenary cable element are put forward. therefore the entire geometrical non - linear finite element theory for the analysis of suspension bridges is established
本文的研究工作和取得的主要成果有: 1 .將大旋轉小應變空間梁（桿）單元與兩節點空間懸鏈線索單元結合起來，形成了一套完整的適合於懸索橋結構分析的幾何非線性有限元計算方法。 -
Firstly, related to the problem about many kinds of geometric non - linear factors and shear deformation which are not differentiated definitely in a lot of studies, several kinds of beam element stiffness matrices respectively corresponding to geometric non - linear factors and shear deformation are derived as far as planar beam element is concerned and geometric non - linear factors of beam element in frame structure are analyzed systematically
本文首先針對眾多研究中對多種幾何非線性因素及剪切變形等不加以明確區分的問題，以平面桿單元為例，分別推出與多種幾何非線性因素及剪切變形相對應的桿單元剛度矩陣，系統闡述框架分析中桿單元的幾何非線性因素。
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