structural stiffness matrix 中文意思是什麼

structural stiffness matrix 解釋
結構剛度矩陣
  • structural : adj. 構造上的，結構上的，組織上的。adv. -ly
  • 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. The centrosymmetric structural dynamical systems with damping were studied. the nearest triple matrix of the centrosymmetric with satisfying characteristic equations was found to a given triple matrix ( mass 、 stiffness and damping matrices ). finally, numerical examples were given

    3 .研究了阻尼中心對稱結構動力模型修正問題，對給定的三重矩陣（質量矩陣、剛度矩陣和阻尼矩陣） ，求滿足譜約束條件且具有中心對稱特性的「最接近」的三重矩陣，並給出數值算例。
  2. 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。
  3. 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。
  4. Some stiffness matrices of special elements such as rubber bearings and components with field are derived from primary - secondary and inverse transform in structural matrix analysis. then, seismic response analytical models and non - isolated continuous rigid frame bridges are set up, while considering the interaction of soil - pile - structure and traveling wave effect simultaneously. finally, the seismic time history response of the two models is calculated by means of the finite element method, and the results show that the isolated bridge posses powerful earthquake resistance

    首先論述了公路大跨徑橋梁的地震反應分析方法，其中包括樁-土-結構相互作用、行波效應等因素對結構物的影響；其次，利用結構矩陣分析中的主從變換和逆步變換，推演了幾個特殊單元的剛度矩陣，包括橡膠隔震層單元和帶剛域構件單元；最後，考慮樁-土-結構相互作用和行波效應的結合，分別建立隔震與非隔震連續剛構橋地震反應分析模型，通過有限元法對兩種結構進行時程分析，結果表明：隔震層上部結構的地震加速度反應、位移反應均明顯減小，這說明隔震的連續剛構橋具有很好的抗震能力。
  5. This thesis deduces computational formulations of displacement sensitivity and stress sensitivity in structural shape optimization considering geometric nonlinear element. in the calculation of stress sensitivity, the modules required to cut the stiffness matrix of node coordinates few. in order to simplify calculation and make program conveniently, this thesis uses half - parser method

    在空間剛架結構的形狀優化設計中，關鍵的一項工作就是計算應力靈敏度，在計算應力對剛架結構形狀優化的設計變量? ?結點坐標的靈敏度時，需用到單元剛度矩陣對結點坐標的導數。
  6. 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。
  7. Damage tends to be concentrated in a few structural members at the early stage, so the stiffness perturbation matrix tend to be in small rank

    摘要在結構損傷的早期階段，損傷往往集中發生在少數單元，損傷前後總體剛度矩陣差的秩較小。
  8. Combining the decomposition of the structural stiffness matrix with an identification approach with unknown input, a method of composite inversion is suggested

    通過結構動力矩陣的分解並結合作者提出的一種在輸入信息未知的條件下識別結構物理參數的方法，提出了一類復合反演演算法。
  9. After having deduced the combined stiffness matrix considering the contribution of concrete, tendons and non - prestressed steel, a novel mixed analysis method ( mam ) based on finite element ( fe ) and asum to analyze time - dependent stress redistribution and structural internal force redistribution due to creep and shrinkage in pc bridges is presented. the obvious advantage of this method is that all time - dependent factors, which are took into account in asum, need not to be considered in fe, thus the accuracy of mam can be easily guaranteed by fe and asum, respectively. this method opens a new approach to analyze creep and shrinkage both conveniently and precisely

    該法的特點是，有限元法列式中不考慮與時間效應有關的影響因素，僅完成彈性分析功能，所有與時間效應有關的影響因素均在全量形式自動遞進法中考慮；因此，混合分析法的計算精度可通過各自獨立的兩方面來保證：有限元法彈性效應分析的精度和全量形式自動遞進法時變效應分析的精度，為方便、準確的徐變效應分析提供了新途徑。
  10. Take a 6 - rss mechanism for instance, the stiffness matrix of the general flexure hinge was established by using the displacement matrix method in structural analysis

    由於空間全柔性機構中存在球副，使得目前通用的偽剛體模型法受到限制，為此提出了一種擴展偽剛體模型法。
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