stiffness matrix 中文意思是什麼

stiffness matrix 解釋
單元剛度矩陣
  • stiffness : 彈性剛度
  • matrix : n (pl matrices 或matrixes)1 【解剖學】子宮;母體;發源地,策源地,搖籃;【生物學】襯質細胞;間...
  1. On the basis of the hamilton ' s principle, the element mass matrix, stiffness matrix, and damping matrix caused by coriolis force of the finite method for the conveying fluid tubes were educed in the paper

    本文用哈密頓變分式推導輸送流體管道的有限元法分析單元質量矩陣、剛度矩陣和科里奧利力引起的阻尼矩陣。
  2. After discussing method for integrating stiffness matrix and load embattle, they are integrated with ‘ set - in - right - position ’ rule. the essential of solving the nonlinear structure is to solve nonlinear algebraic equations

    通過對剛度矩陣及荷載列陣集成方法的探討,用「對號入座」的方法得到結構整體剛度矩陣和結構整體荷載列陣。
  3. 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
  4. Lastly the above stiffness matrix, the nodal variables of which are the dual of stress functions, is replaced by a new one with simple displacements vector regarded as unknown. such finite element satisfies homogeneous equilibrium equations and can pass the patch test as long as the original plane elasticity element can pass the corresponding patch test

    所得到的板彎曲單元在單元內部滿足齊次平衡方程,並且只要原始平面彈性單元能通過常應變分片試驗則轉換得到的板單元一定能通過常曲率分片試驗。
  5. Secant stiffness matrix

    割線剛度矩陣
  6. The temperature effect which has been calculated is taken as " thermal load " forced on the body, then such thermal stress is settled as general elasticity mechanics question ; secondly, the thermal stress is taken as " surface force " forced on the body, and the new system stiffness is formed which include the extra stiffness matrix, then it changes the nature frequency of the structure

    首先,這篇論文介紹溫度場和熱應力場的有限元方法,建立了三維熱傳導模型計算有溫度場產生的熱應力,計算熱應力時運用了一種轉化思維:將溫度處理為「溫度載荷」 ,這樣就能用彈性力學問題的處理方法來求解熱應力。其次,將熱應力作為結構的「面內力」 ,而面內力產生附加的幾何剛度矩陣,改變了結構的剛度,影響了結構的固有頻率。
  7. The static analysis of the long span plate - truss composite cable - stayed bridges. first, the cr formation on the geometric non - linear structural analysis is introduced. next, the structural discretization of cable - stayed bridge, the stiffness matrix the formation of nodal force and the simulated construction system are introduced

    首先介紹了本文採用的桿系結構幾何非線性問題的分析方法? cr列式法,其次介紹了板桁結合斜拉橋的結構離散及桿單元、梁單元的剛度矩陣以及節點力的形成方法,然後介紹了斜拉橋施工模擬體系的形成。
  8. Calculation of vertical stiffness matrix of frame structures subjected to vertical earthquake action

    豎向地震作用下框架結構豎向剛度矩陣的計算
  9. This paper calculated the vertical stiffness matrix of plane frame structures subjected to vertical earthquake action

    本文計算了平面串並聯多質點系結構在豎向地震作用下的豎向剛度矩陣。
  10. Then, analyze and compare the elastic time - history analysis of the frame structures subjected to various vertical seismic waves considering different vertical stiffness matrix, thus the vertical stiffness matrix which was proposed by this paper has certain rationality, it is valuable to engineering designing

    然後,分析對比在不同豎向剛度矩陣下框架結構在不同豎向地震波作用下的彈性時程分析,從而表明:本文提出的計算豎向剛度矩陣具有一定的合理性,並對豎向地震作用下框架結構抗震性能進行分析,對工程設計有一定的參考價值。
  11. The concrete expression of the unit tangent line stiffness matrix is given

    討論了橋梁結構分析中常用單元切線剛度矩陣的具體表達形式。
  12. Based on the force - method equation, the stiffness matrix and fixed - end nodal displacement and force vector are derived

    在力法方程的基礎上,給出了組合梁單元的剛度矩陣、桿端位移向量及桿端荷載向量並建立了剛度方程。
  13. According to the computation process of the fem and assumption, associating of the fem mesh that have separated and the grouting stress diffusion equation, the integral stiffness matrix and the load matrix can be formatted, then the displacement of the nodal point can be got after solving the simultaneous linear equations. and then the grouting parameter can be computed and analyzed

    然後,依據有限元法的計算步驟和所作的假設,結合已經離散化了的網格、灌漿壓力擴散衰減公式,形成整體剛度矩陣、荷載矩陣,經求解后得到結點的位移,並依此計算分析灌漿參數。
  14. Point to above problems, under the financial support of the national natural science foundation ( exploration of high tech and new concept and new conceive ), the excellent young teachers program of ministry of education and national excellent doctoral dissertation special foundation, the static and dynamic real - time computation of elasticity - plastic mechanics, solving method of fuzzy finite element and other problems were studied in this paper. and some achievement was gained as following : ( 1 ) based on the positive definiteness of system stiffness matrix of finite element that was modified and the form of potential energy function of elastic body, the linear system of saturation mode ( lssm ) was introduced into the neural computation of finite element, by which the no - error solving of finite element neural net computation was realized in theory

    針對上述問題,在國家自然科學基金(高技術新概念新構思探索) 、教育部優秀青年教師資助計劃、高等學校全國100篇優秀博士學位論文作者專項基金等的資助下,本文對彈塑性力學問題的動靜態的實時計算、模糊有限元的求解方法等問題進行了系統和深入的研究,取得了以下成果: ( 1 )根據有限元總剛矩陣經修正後具有正定性的特點以及彈性體勢能函數的具體形式,將飽和模式的線性系統(簡稱為lssm系統)引入到有限元的神經網路計算中,在理論上實現了有限元神經網路計算的無誤差求解。
  15. Consideration of dimensional effect of pile structure using modified stiffness matrix of beam - rod element

    用修正的梁桿單元剛度陣考慮樁的尺寸效應
  16. 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。
  17. Space stiffness matrix of t - shape, l - shape and - shape short - leg shear wall is derived by virtual work principle and variational principle

    利用虛功原理和變分原理分別推導了t形、 l形和一字形截面的短肢剪力墻空間單元剛度矩陣。
  18. 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。
  19. Using this method, the global stiffness matrix is established, decomposed and applied only once so as to greatly reduce the calculating work

    這種簡捷計演算法在分析各種預應力工況時,只要一次性建立、分解和應用網架的總剛度矩陣,使計算工作量大為簡化。
  20. In finite element analysis, the storage needed by a total stiffness matrix for solving a large - scale system of linear equations is related to the sequence determined by numbering of mesh nodes

    摘要在有限元分析中,求解高階線性代數方程組時整體剛度矩陣所需存儲與由網格結點編號決定的順序有關。
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