stiffness matrix method 中文意思是什麼
stiffness matrix method
解釋
勁度矩陣法-
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。 -
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。 -
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。 -
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。 -
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。 -
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。 -
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。 -
Lognitudinal and transversal members of grillage, regarded as cuved - beam element and straight - beam element, are analyzed by finite element method, and the module for grillage static analysis is formed, by using table of information of nodal point restraint to assemble stiffness matrix for structure in restraint
將梁格縱橫構件分別按曲梁和直梁兩種單元進行有限元分析，引入結點約束信息表進行約束結構剛度矩陣的組集，形成了曲桿梁格靜力分析模塊。 -
With the method, all integrals can be easily fulfilled on regular sub - domain boundaries, and to impose the essential boundary conditions, a penalty parameter can be used so that a positive definite and symmetric stiffness matrix may be obtained
計算中，積分都在規則形狀邊界子域上完成，因而容易實現；通過罰因子添加本質邊界條件，從而使得到的剛度矩陣是正定對稱矩陣。 -
This paper bring out design method of inverse eigenvalue problem, which adapts to general structures with linear parameters, namely coefficients of all or partial elastic component and inertial component are treated as design parameters, for given some order natural frequency and corresponding vibrating mode, all of useable designing parameters will be got through solving a linear system of equations, thereby stiffness matrix and mass matrix of actual structure are constructed. this paper also discusses existence condition and unique of results
提出了適用於具有線性參數的一般結構的逆特徵值問題的設計方法，即以系統的全部或部分的彈性元件與慣性元件的系數為設計參數，對于預先給定的若干階固有頻率及相應振型，通過求解一線性方程組即可確定全部實際可行的設計變量，從而構造出實際結構的剛度矩陣和質量矩陣，並論證了解的存在性與唯一性。 -
In the respect of pseudo dynamic test, the author explained the influencing factors of initial inputting stiffness matrix and the equivalent method of mass matrix of model
在擬動力試驗方面，指出了聯機試驗中初始剛度矩陣的影響因素，建立了模型質量矩陣的等效方法。 -
So, it takes both advantages of spline finite strip method with less node displacement and that of plastic hinge method with convince of getting plastic elemental stiffness matrix
因此該方法兼具二者優點：樣條有限條法的位移量少和塑性鉸法形成塑性剛度矩陣的便利。 -
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。 -
The accuracy of reliability calculation was improved in the derivative sfem method. the local derivatives of fem and numerical method were used to obtain the iterative formulas of the performance function ' s local derivatives. the procedure is relatively simple and adaptable to engineering application as the stiffness matrix formed and decomposed only once
偏導sfem可靠度法求解構件疲勞可靠度，可靠度計算精度得到改善，通過有限元求偏導，結合數值微分技術，推導出了功能函數的偏導迭代格式，只需一次形成和分解總綱，計算較簡便，適合工程應用。 -
In the paper the characteristics and dividing methods of cells, as well as some relevant computer programmes are given, which have proved to be correct by several examples of structures of bar system the calculation of the new method is simpler because it need not form the global stiffness matrix that is necessary in fem, and solve the boundary problems of partial differential equations
在此基礎上給出桿系的細胞自動機模型、單元劃分方法、單元特性和演化規? ?則。並列出了該方法的計算步驟。通過數值計算分析，驗證了該方法的正確性，算例表明該方法對結點位移和桿內力收斂速度較快。 -
In the analysis, a cfst arch ( single tube ) is first divided into a finite number of straight beam elements. according to the virtual work principle and the modified newton - raphson iteration method the tangent stiffness matrix considering double nonlinear properties is established. with regard to the non - equilibrium forces, the material nonlinear property along the height of the section and the length of the element is considered and the computation accuracy is improved as a result
本文首先將拱肋劃分為一系列的直梁單元，運用虛功原理和修正newton - raphan數值迭代演算法的基本原理準確推導了拱肋直梁單元的非線性切線剛度矩陣；在不平衡力方面考慮了沿截面高度和單元長度方向材料非線性的發展過程，提高了計算精度；再根據得到的切線剛度矩陣採用荷載增量步內修正newton - raphan迭代的增量迭代法進行了求解。 -
In this paper, a generalized hybrid finite strip method is deduded for analyzing the shear lag effect in box girders. it has the advantage of the generalized finite strip method and hybrid stress element. shear lag effect in thin - walled box girder is analyzed with this method and stiffness matrix of generalized hybrid finite strip element is deduced. a calculating program for thin - walled box girder " s generalized hybrid finite strip method is compiled with fortran language and performed in visual fortran environment of pc computer. a typical example demonstrates that the proposed method has higher accuracy and efficiency, is suitable for analysis of shear lag effect in box girders
本文結合應力雜交元法和廣義有限條法導出一種用來分析箱梁剪力滯效應的廣義應力雜交有限條法，它兼有應力雜交元和有限條法的優點。運用這種方法對薄壁箱形梁的剪力滯效應進行了分析，推導出廣義應力雜交有限條元的單元剛度矩陣，用fortran - 77語言編寫薄壁箱形梁廣義雜交有限條法程序（ hfsbg . for ）在visualfortran環境下運行。具體算例的數值結果表明：廣義應力雜交有限條法用於計算箱形梁的應力分析具有很好的精度和效率，適合於分析箱形梁的剪力滯效應。 -
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） 。 -
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。 -
Analysis of behaviours of rayleigh waves by stiffness matrix method
瑞利波特性剛度矩陣分析方法
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