element stiffness 中文意思是什麼

element stiffness 解釋
單元剛度
  • 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...
  • stiffness : 彈性剛度
  1. Element stiffness matrix and nodal load matrix of circular beam

    曲梁的單元剛度矩陣和節點荷載列陣
  2. And the impact of every parameters of f - ved element, stiffness coefficient and damper coefficient of ved element, normal stiffness, tangent stiffness and sliding friction of frd element and the cross - section area of the brace on the capability of dissipating vibration energy is computed and analyzed

    並對f - ved單元中ved單元的剛度系數、阻尼系數、 frd的法向剛度、切向剛度、滑動摩擦力及支撐橫截面面積等參數對單元阻尼效果的影響進行了分析研究。
  3. Firstly, the paper introduces the principle of instituting contact interface element and the format of integral method for element stiffness matrix ; secondly, because of the zero of displacement and load of soil in the infinite boundary, the unique shape of element stiffness matrix is obtained for coupling the three different elements

    文中首先闡述了接觸元建立的方法以及單元剛度矩陣的積分方法;由於無限遠處的土場位移、地震作用力皆為零,計算中對該單元剛度矩陣的形式不同於四節點等參元,文中推導了平行無限元的單元剛度拒陣方,並介紹了無限元單元剛度矩陣組裝原理。
  4. This paper presents the element stiffness matrix and equivalent node force of the variable cross - section bar. so the approximation in structural analysis is avoided, and the calculation capacity of equivalent frame method is also developed. this helped the engineers avoid the fem, which consume much time and is difficult to master

    本文對板帶寬度變化的板柱結構推導了變截面直桿單元的單元剛度矩陣和等效結點荷載列陣,避免了在結構分析時所作的近似,也擴大了等代框架法的計算范圍,使工程技術人員免於使用佔用機時、難于掌握的有限元分析法。
  5. A truss - beam model of transmission tower is established, the element stiffness matrix, coordinate transformation matrix are educed in this paper, and the structure analyzing software is developed by vc + +

    本文建立了高壓輸電鐵塔有限元計算模型?桁梁混合模型,推導了模型的單元剛度矩陣、坐標轉化矩陣,並採用vc + +編寫了高壓輸電鐵塔結構分析軟體。
  6. Based on the initial parameters format of the distortion theory in this paper, the element stiffness matrix and the corresponding equivalent nodal force vector subjected to uniformly distributed load is developed

    在初參數格式的基礎上,本文又推導出考慮剪切變形的畸變分析的剛度矩陣及等效節點載荷列陣,獲得便於實際應用的畸變分析剛度法。
  7. The application of finite element method ( fem ) to dynamic stability analysis is described emphatically. the lagrangian equations is used to derive the necessary element matrices ( element stiffness matrix, element mass matrix and element geometric stiffness matrix )

    著重論述了有限元法在動力穩定問題中的應用,並採用lagrangian方程推導出單元矩陣的表達式(單元剛度矩陣、單元質量矩陣和單元幾何剛度矩陣) 。
  8. Then bar element ' s tangential stiffness matrixes are deduced, which is based on the finite element method. the geometrical nonlinearity and material nonlinearity are both considered in the non - linear element stiffness matrix

    利用有限元方法,對網殼結構進行了幾何和材料非線性分析研究,推導了空間鉸接桿單元的幾何和材料非線性的剛度矩陣。
  9. The process include three aspects : ( 1 ) from " story shear model ", the story lateral stiffness is deduced, and compared with the rectangular column frame structure. ( 2 ) from " space beam element model ", element stiffness matrix is deduced, and compared with the rectangular column element. ( 3 ) based on the element stifmess matrix, the program of internal force and displacement analysis is workouted

    本文結合異形截面桿的受力性能,按「層模型」 ,對其抗側移剛度進行了理論研究;按「桿系模型」 ,分析了異形截面桿的單元剛度矩陣,並在此基礎上,編制了異形柱結構內力分析的有限元程序。
  10. Element - stiffness matrix baseline parameters and modal strain energy are employed for the selection of the base modes. an updated - latin hypercube sampling and modal assurance criteria are adapted for efficient generation of the inputs

    用單元剛度矩陣基本值和模態應變能來選擇基本模態,用修正的latin超立方采樣技術和模態準入準則來產生網路的輸入數據。
  11. Steel frame with welding joint easily occur brittle collapse because of having a low ductility at joints then , a semi - rigid connected steel frame has large the energy absorption capacity which can resist dynamic loads and the using steel qualities of bracing system and joints are small so adopting a semi - rigid jointed steel frame is economical and stable but for semi - rigid connections are complex and variable , in conventional analysis and design of steel structures , it is usually assumed that the connections between columns and beams are either rigid or pinned the analysis of steel frames adopting the assumption can simplify the procedure of analysis and design , but cannot precisely reflect structural practical circumstance and the errors of calculating results are large , even , get incorrect conclusions semi - rigid connection was referred to in chinese code for design of steel structures ( 2001 , 10 ) , however , it isn ’ t specified how to apply semi - rigid joints in design in fact it cannot be carry out the purpose of the paper give a calculating method that accords practical engineering and easily put into effect worthwhile it is going to promote the development of semi - rigid jointed steel frame in design and heighten structural stability in the paper , at first some commonly employed methods for the modeling of connection behavior are introduced richard abbott function modeling of connection is adopted for extended end plate bolted connection by the 34 test data comparing to regression analysis indicate richard - abbott function modeling of connection represents an excellent fit to test data then after a semi - rigid joint behavior can be modeled as a finite stiffness rotation spring , base on rotation and displacement equation derive the element stiffness matrixes with semi - rigid connections where the effects ofj ointed flexibility geometric non - linearity and shear forces in the connection deformations have been considered in and fixed - end forces are modified finally, a program for calculating semi - rigid with incremental - iterative method has been

    本文的目的就是為半剛性連接鋼框架的設計提供一種既符合工程實際又簡便易行的計算方法,供規范使用過程的補充、延伸或參考;同時,也將促進半剛性連接鋼框架設計技術的發展,為提高結構安全性能、節省工程成本發揮應有的作用。本文首先介紹了常見的幾種應用較為廣泛的樑柱連接彎矩轉角關系模型,在分析比較的基礎上,選用richard ? abbott函數模型作為外伸端板連接彎矩轉角關系模型,通過對34個外伸端板連接的實驗數據與回歸分析得到的參數比較可知,經回歸分析得到的此模型參數與實驗數據符合較好。然後用彈簧表徵連接點的轉動剛度,根據梁的轉角位移方程推導出半剛性連接的剛度矩陣,在單元剛度矩陣中考慮了節點柔性、幾何非線性和剪切變形的影響,並對固端力進行了修正,最後用增量迭代法編制有限元程序進行計算和分析。
  12. Then a semi - rigid joint behavior can be modeled as a finite stiffness rotation spring. basing on rotation and displacement equation, we obtain the element stiffness matrixes with semi - rigid connections where the effects of material nonlinear, hysteresis behavior and shear forces in the connection deformations have been considered in and at the same time we modify the fixed - end forces. finally, a program for calculating the elastic - plastic earthquake seismic of semi - rigid connected steel frame structure by step and step integration of wilson -

    本文在介紹和分析半剛性連接彎矩與轉角連接關系模型的基礎上,用帶有轉動剛度的彈簧表徵半剛性連接,推導出半剛性連接的剛度矩陣,並對桿件固端力進行修正,同時在考慮剪切變形、材料彈塑性、及構件的動力滯回性能的基礎上,編制了結構彈塑性地震動力時程分析有限元計算程序。
  13. Then after a semi - rigid joint behavior can be modeled as a finite stiffness rotation spring, base on rotation and displacement equation derive the element stiffness matrixes with semi - rigid connections where the effects of jointed flexibility and shear forces in the connection deformations have been considered in and fixed - end forces are modified. finally, a program for calculating system reliability of semi - ridge steel frames with monte carlo method and finite element analysis has compiled for calculating and analyzing. by calculating results of several examples for steel frame in semi - rigid joints case show the change of joint stiffness and other kinds of factors affect the system

    接著本文在介紹和分析半剛性連接彎矩和轉角關系模型的基礎上,用帶有轉動剛度的彈簧表徵半剛性連接,推導出半剛性連接的剛度矩陣,對固端力進行修正,同時考慮了剪切變形的影響,編制了半剛接鋼結構平面框架的有限元程序bhpfl ,並在其基礎上編制了基於蒙特卡洛法的montecarlo - bhpfl有限元相結合的方法,進行體系可靠度的分析。
  14. At the same time it has the shortcoming of complex mechanics analysis. in this thesis we mainly discuss the structure behaviors of the mega structure. firstly considering the differences between mega - frame and normal - frame, that is the influence of rigid zone and shearing type deformation are considered. a computer program for calculation of mega - frame structures based on element stiffness matrix to members with rigid zone considering shearing type deformation has been written and some of mega - frames have been calculated by using the program

    首先,根據巨型框架與普通框架的主要區別,採用帶剛域桿件考慮剪切變形時的桿單元模型,利用fortran語言編制了巨型框架結構線彈性有限元靜力分析程序,並利用該程序對多個巨型框架結構進行了計算,分析了巨型框架結構的靜力性能,深入研究了結構在豎向荷載和水平荷載作用下的傳力機理、力學特性和變形特點。
  15. Element stiffness matrix analysis of rectangular section members with the height of linear variation

    高度線性變化的矩形截面桿的單元剛度矩陣分析
  16. Based on the steel - concrete coordinating relations, element stiffness matrix of geometrically nonlinear analysis, formulas for self - stresses by temperatures and displacements, stresses of corresponding superfluous structures are further studied. furthermore, a new theory and method for structural geometrical nonlinearity and buckling analysis is put forward

    根據鋼混協作關系進一步推導出鋼混組合構件幾何非線性分析單元剛度矩陣、溫度自應力及鋼混超靜定結構溫度位移和應力的計算公式,建立了一種新的基於鋼混協作關系的異種材料組合構件的幾何非線性和結構穩定性分析方法。
  17. 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。
  18. Element stiffness matrix for curved bars with symmetricvariable cross - section

    對稱變截面平面曲桿的單元剛度矩陣
  19. Element stiffness matrix

    單元剛度矩陣
  20. Comprehensive element stiffness matrix of two kinds of second order effects in frame column

    框架柱兩類二階效應的綜合單元剛度矩陣
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