structural equation method 中文意思是什麼

structural equation method 解釋
結構方程法
  • structural : adj. 構造上的，結構上的，組織上的。adv. -ly
  • equation : n. 1. 平衡，均衡；平均，相等。2. 【數學】方程式，等式。3. 【天文學】（時）差；均分，等分。4. 【化學】反應式。
  • method : n 1 方法，方式；順序。2 （思想、言談上的）條理，規律，秩序。3 【生物學】分類法。4 〈M 〉【戲劇】...
  1. Finally, a correlative equation about bearing capacity of this structural member under bending and torsion is deduced, which may provide design of such structural members a valuable reference. to imitate centrifugal concrete - filled steel tubes used in real structures, three - dimension models are built up by using finite element method. the resistance performance of this structure under complex loads is studied

    利用三維有限元模擬分析方法對離心鋼管混凝土在彎扭組合作用、彎壓組合作用、壓扭組合作用下的構件彈性應力分佈進行了研究，分析了離心鋼管混凝土構件在組合作用下的工作機理和承載力的相關關系。
  2. This paper mainly deals with the subjects below : the problem on fem analysis, general reliability analysis and calculation, and optimization based on the general reliability of the random or fuzzy parameters structure ; and also brings forward a method for getting the fuzzy answers from the fem equation by taking the fuzzy multiplier from a fuzzy variable ; in the fem analysis and structural reliability optimization, the randomcity and fuzziness of the structural physical parameters and the load applied on the structures are all considered

    文中對隨機和模糊參數結構在不確定性荷載作用下的結構有限元分析、可靠性分析和基於可靠性的優化設計等問題進行了研究。以桿系結構為對象，提出結構分析的模糊因子方法，其中分別或同時考慮了結構材料的物理參數、構件的幾何尺寸和作用荷載幅值等的隨機性和模糊性；對結構響應（位移、應力）為模糊變量時的廣義可靠度進行了推導。
  3. Because the emphasis of two control methods was computing matrix riccati equation, so based on the simulation relations between computational structural mechanics and optimal control, the minor structure method was applied to solve the matrix riccati equations, and combined with the precise integration method, increased the precision of solution greatly

    兩種控制方法的要點是求解矩陣黎卡提方程，所以還重點討論了基於結構力學與最優控制模擬關系的黎卡提方程2 ~ n類精細演算法。
  4. A method is proposed for the parameter identification of the viscoelastic internal dampers of the multirotor systems in this paper. the multi - rotor system is regarded as a composite structure. the impedance matching method in the substructure method for structural dynamic analysis is used for the dynamic calculation of the structure. the augmented lagrange method is applied to the iteration calculations of the characteristic determinant of eigenvalve equation of the system. and then the results of parameter identification can be obtained. upon the dynamic characteristics of the system, the method can reveal the influence of the gyroscopic moments of force precisely. in process of the analysis, the various properties of multi - rotor systems are made the best use of, so the measure of the modes parameters is avoided, the calculation is simplified. in addition, an efficient method is proposed to establish a dynamic model of multirotor systems with viscoelastic internal dampers. the calculating results are consistent with the experimental results satisfactorily

    提出了多轉子系統的粘彈性中間彈支參數辨識的一種方法.該方法把多轉子系統看作復合結構，用動態子結構分析的阻抗匹配法計算動力學特性，用增廣拉格朗日乘子法迭代計算系統特徵方程的系數行列式，獲得系統物理參數的辨識結果.該方法可以準確計入陀螺力矩的影響，避免測量振型參數.在分析中，利用多轉子系統的特性可簡化分析過程.文中還介紹了一種建立粘彈性彈支多轉子系統動力學模型的方法.計算結果與試驗結果基本一致
  5. 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。
  6. Finally according to the load - capacity superposition concept, a simplified design equation for determination of the load capacity of circular composite columns with h - shaped and box - shaped structural steel is proposed. through comparison with the accurate computer - based method, it is found that the proposed simplified equation is accurate enough and can meet the requirement of practical applications

    同時基於承載力疊加的概念，提出了配置工字型和箱型結構鋼的圓形截面組合柱在單向和雙向偏壓荷載下的承載力簡化計算公式，通過與精確的計算機數值迭代方法的比較發現，當荷載偏心較小時該簡化計算公式具有足夠的準確度，能夠滿足工程應用的要求。
  7. The article firstly explains the knowledge creation process in the new product development through introducing the concept of knowledge value chain, and secondly it analyzes the relativity of organization environment and knowledge creation by virtue of structural equation model ; lastly it tries to propose the index system of knowledge creation performance and makes evaluation of performance by using the method of fuzzy comprehensive evaluation. through above study, the article provides the new management thoughts for the product development of the enterprises, which makes the enterprises form the npd organization environment in favor of knowledge creation and improves the efficiency of knowledge creation and application, and shortens the npd cycle, and lowers npd costs, and improves npd quality, and promotes the technological and knowledge innovation

    本文首先通過引入知識價值鏈的概念，解析基於并行工程思想的新產品開發四個階段中的知識創造過程，然後在以結構方程模型（ sem ）方法建模的基礎上，利用相應的lisrel軟體對調研數據進行分析，得出組織環境與知識創造相關性的若干結論，最後通過驗證性因素分析，嘗試提出新產品開發中的知識創造績效的指標體系，並運用模糊綜合評價法進行績效評估。
  8. The damage states are described in detail in terms of structural members and the relationship between the damage degree and the four types of performance limit states is built. the concept of the structural performance safety index is put forward and its calculation method is derived based on the structural deformation limit state equation. the deformation control design method is studied

    從結構在地震作用下的破壞程度為出發點，對結構的破壞狀態進行了描述，並建立了結構的破壞程度與結構四種性能極限狀態之間的關系；提出了結構性能安全指數的概念，並以結構的變形極限狀態方程為基礎得到了結構設計性能安全指數的計算方法和結構性能等級的劃分標準。
  9. The static and dynamic characteristic models of stage are built by ansys, which analyses the displacement, stress, natural frequency and vibration model of stage. furthermore, the influence of primary structural parameters on static and dynamic characteristic is analyzed by orthogonal experimental scheme comprehensively and the numerical results from experiment are regressed by stepwise regression method, thus the optimization regression equation is obtained. meanwhile, the neural network model is built and validates the regression model

    應用ansys軟體建立了工作臺靜、動態特性的分析模型，並分析了工作臺的位移、應力以及振動的固有頻率和振型，而且還應用正交試驗表安排參數全面分析了結構參數對微位移工作臺的靜、動態特性的影響，並用逐步回歸分析方法對數值計算結果進行回歸，獲得了微動工作臺的最優回歸方程，同時建立了人工神經網路模型並對回歸模型進行了驗證。
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