linear analysis 中文意思是什麼
linear analysis
解釋
圖線分析-
Fist of all, on the basis of the research of agone boffins, this author investigates the interaction mechanism of bolts and rock, and introduces the elastic ? lastic analytical resolution which is consist of the liner structure, the equivalent reinforced wall rock and the original wall rock in the simple loading from the equivalent well - proportioned view ; this solution is very important meaning for the engineering design. on the basis of coulomb friction model, the author introduces the finite element equation of the contact problem in order to provide the academic foundation for the application of msc. marc. finally, combining the engineering practice of the non - linear analysis of shield tunnel through yellow river of the south - north water transfer and using the model of friction, the author researched the evolution law of stress and displacement field in the structure of grouted rock bolts, and analyzed the effect to the stress and deformation of surrounding rock mass due to anchor supports
首先，在前人研究成果的基礎上，對錨桿與圍巖的相互作用機理進行研究，利用全長錨固錨桿的中性點理論，從等效均化的角度來考慮錨桿對圍巖的加固作用，並推導了在簡單荷載作用下，含有襯砌、等效加固后的圍巖、原始圍巖三者的彈塑性解析解，對工程設計有著重要的參考意義；在數值模擬方面，以考慮錨固圍巖滿足規則化庫侖摩擦模型為基礎，利用虛功原理推導了接觸問題的有限元方程的計算格式，為開發運用大型商用有限元軟體msc . marc提供了理論根據，也形成了本文的理論基礎：最後，論文以南水北調東線穿黃隧洞穩定性分析項目為工程實例，利用本文所述的接觸問題的摩擦模型理論，對錨桿支護結構的應力場、位移場的變化規律進行了研究，分析了加錨支護對隧洞圍巖應力、變形的影響。 -
Abstract : based on the principle of mininmum potential and using rayleigh - ritz method, the geometric non - linear analysis of higher bridge piers was solved in this paper. the new concept of equivalent horizontal force proposed by the author may be casily to calculate the second effect, which was produced due to the vertical forces and resisted by the piers and rubber pad bearings incorporately. the simple formula in this paper are applicable to calculate by hand, understood clearly without computation of successive iteration, higher precision and graspable easily for the disigmer therefore it has the practical significance
文摘:根據最小勢能原理，用瑞雷-里茲法解決了高橋墩的幾何非線性分析問題；其次，提出了等效水平力的新概念，可以方便地解決橋墩和板式橡膠支座聯合抵抗垂直力所產生的二次效應問題.筆者提出適合於手算的簡便計算公式，概念明確，勿須迭代運算，精度較高，易為設計人員掌握，因此具有實用價值 -
Following the linear analysis, a new nonlinear theory for curved members with i - shaped sections is presented according to the theory of finite deformation, in which the effect of transverse stress is also incorporated
在線性分析的基礎上，依據有限變形理論，建立了工字形曲梁涉及穩定問題的非線性理論，其中考慮了橫向正應力的影響。 -
Energy method for the geometric non - linear analysis of higher bridge piers
高橋墩幾何非線性分析的能量法 -
3. we do short circuit analysis upon multiple magnetic circuit transformers by use of steady non - linear analysis and get the leakage reactance respectively between high voltage and high voltage 、 high voltage and low voltage 、 two high voltage and low voltage 、 low voltage and high voltage and low voltage and two high voltage. what ’ s more, we do finite element analysis upon the temperature field of transformers and according to its distribution we get the wind speed to forced air cooling
3 、採用穩態非線性分析法對多磁路變壓器進行短路阻抗計算，利用能量法計算出變壓器高壓與高壓、高壓與低壓、兩高壓與低壓、低壓與高壓以及低壓與兩高壓之間的漏感;對變壓器的溫度場進行有限元分析，確定溫度場分佈情況。 -
After a simulated sample is given, we compute on this sample coupling analysis and steady non - linear analysis. by contrast with the experimental outcome of short circuit, we make certain that steady non - linear analysis should be used to analyze a true model. and then, we confirm the external conditions of finite element heat analysis after analyzing the cooling ways of multiple magnetic circuit transformers
2 、論述了有限元分析的電磁場和溫度場的理論基礎;製造出模擬樣機，分別用耦合場分析法和穩態非線性分析法對其進行計算，計算結果與其短路實驗結果進行對比，驗證了穩態非線性分析法計算結果的可信性;分析多磁路變壓器的冷卻方式，確定有限元熱分析的外部條件。 -
The methods considering the elastoplasticity are the elastic - plastic hinge method and the pseudo load method. based on the need of non - linear analysis, researchers brought forward nonlinear calculation methods to control the iterative constringency, such as the load controlling method, the displacement controlling method, the arc length controlling method and the pseudo load method
考慮彈塑性的分析方法有：彈性-塑性鉸法和虛擬荷載法根據非線性研究分析的需要，研究人員先後提出了：荷載控製法、位移控製法、弧長控製法和做功控製法等控制迭代收斂的非線性計算方法。 -
Three circumstances on the geometric non - linear analysis are considered : the sag phenomenon of cables the nonlinear behavior of bending members and the geometry change due to large displacement. the non - linear behavior of cables is verified by introduced the ernst cable modulus of elasticity and cr formation is applied to analyze the non - linear of beams. an incremental - iterative method based on the newton - raphson method is adopted here to solve the non - behavior equations
幾何非線性分析主要考慮三個方面：索的垂度效應、樑柱效應和結構大位移，其中：索的非線性分析採用ernst彈性模量對索材料的彈性模量進行修正，計及索的垂度效應的方法；梁單元的非線性分析採用cr列式法，計算中採用基於newton - raphson法的增量迭代方法求解非線性方程組。 -
The geometrical non - linear analysis of space truss
空間桁架幾何非線性分析 -
Finite element program of non - linear analysis to pile is made and together with results of building test pile and model test pile, therefore, the feature of load transferring and deformation mechanism were deeply analyzed
對工程試樁的靜載試驗結果進行分析，確定單樁極限承載力。室外模型樁試驗通過在樁身埋設測試元件，研究水泥土組合樁荷載傳遞規律以及變形特性。 -
( 2 ) 3d - fem analysis for the load - bearing capacity of the stud connector as the prevailing method to determine the shear rigidity and the limit load - bearing capacity of the shear connector is the push test, which is time consuming and laborious, in this thesis the push tesi specimen of the stud connector is simulated through the non - linear analysis module of the msc / nastran and the numerical analysis results are in good coherence with that of the practicality lev ; as a result, the shear rigidity and the limit load - bearing capacity of the stud connector can be determined by the finite element method and only a few practicality verification tests
（ 2 ）栓釘型剪力鍵承載力的3d - fem分析針對當前剪力鍵一般通過費時費力的推頂試驗來確定抗剪剛度和極限承載力的狀況，本文利用msc nastran非線性模塊實現了對栓釘剪力鍵推頂試樣的數值模擬分析，數值計算結果與試驗結果能夠很好吻合。這使得通過有限元方法的模擬和少量實物試驗的驗證，就能確定栓釘剪力鍵的剪切剛度和極限承載力，可以大大節省時間和經費。 -
Firstly, the basic theory of switch reluctance generator ( srg ) is discussed in detailed, based on the mechanism electric energy converting analysis, non - linear analysis and non - linear simulation. three control methods of srg ( angle position control method, current chopping control method, pulse width modulation control method ) are deeply studied and analyzed. the electronic controller, which controlled by dsp or by hardware circuit are developed for low - power switched reluctance generation system
首先系統地研究了開關磁阻電機發電運行的基本理論，從機電能量變換的角度分析開關磁阻發電機的機電能量變化規律；通過非線性分析和非線性模擬方法，明晰開關磁阻電機發電本質，概括出開關磁阻電機發電運行的特點；系統、深入地研究了開關磁阻電機發電運行的控制方案（角度位置控制、電流斬波控制、脈寬調制控制） 。 -
Based on this idea, a general framework for linear analysis in singular case is developed, i. e., pca is first used to reduce the dimension of image space to m ( the rank of the total scatter matrix )
更為重要的是，我們進一步揭示了高維、小樣本情況下線性鑒別分析的本質，即先作k - l變換，再用fisher鑒別變換作二次特徵抽取。 -
Starting from two well - accepted assumptions in theory of thin - walled beams, a general theory for linear analysis of curved beams with any open sections is established in this paper by using the principle of virtual work. the equations of equilibrium and natural boundary conditions are given
文章首先從薄壁構件理論的兩個基本假定出發，利用虛功原理，建立起一套精確的、可以應用於任意開口薄壁截面圓弧曲梁的線性理論，給出相應的平衡方程和邊界條件。 -
( 2 ) with the universal finite element software ansys, reasonable finite models for such slab - column connection were established and a static non - linear analysis was made, and the rule of this structure about the aspects of force deformation and destruction under vertical load and unbalanced bend are summarized. based on this, a simplified calculation method of punching capacity is advanced
研究空腹板柱節點的傳力機理和破壞模式;對在豎向荷載作用下、豎向荷載和不平衡彎矩共同作用下板柱節點內力、變形和破壞過程進行研究，並提出了抗沖切承載力的簡化計算方法。 -
Simplified theories are also presented for curved beams with commonly used sections, such as i - shape, channel and h section without any symmetrical axis. linear analysis is also performed in combination with finite element method
其後就常見的截面形式（單軸對稱工字形、槽形和無對稱軸的形截面） ，對所提出的曲梁理論進行簡化，並結合有限元方法求解曲梁的線性問題。 -
2. a rational finite element model of thin - wall core box cast - in - site concrete hollow floor is established and such floor is made a non - linear analysis in ansys which is an international common software. comparing numerical analysis results and testing results with the ones achieved by the proposed formula, it is found that they are tallied well, so the validation of the above two methods is verified
2 、建立了薄壁箱體現澆混凝土空心樓蓋的有限元分析模型，採用ansys有限元軟體對其進行了非線形全過程分析，將有限元計算結果、本文公式的計算結果和試驗結果進行對比分析，發現三者吻合較好，論證了這兩種方法的可行性。 -
First with section analysis and single variable, this essay analyzes the difference of twenty - one financial indexes between st and no st stock companies in five years basic financial data. at last, three financial crisis prediction modes are set up with six financial indexes which are the most important financial indexes in linear probability model, fisher linear analysis model and logistic analysis model
首先應用剖面分析和單變量判定分析，研究財務危機出現前5年內各年這二類公司21個財務指標的差異；最後選定6個財務指標為預警指標，應用lpm多元線性回歸分析、 fisher線性判定分析和logistic回歸分析三種方法，分別建立三種預測財務危機的模型。 -
My dissertation constructs three industrial models based on cash flow, including chemical industry, engine industry and real estate. by analyzing the difference of nineteen ratios based on cash between financial crisis companies and not financial crisis companies, i deduce three fisher linear analysis models and canonical models
（ 2 ）在房地產行業所建立的預警模型對樣本進行判定，在財務危機發生之前的第1年模型誤判率為3 . 3 ，第2年誤判率為10 。 -
The assumption about deformation character and constitutional relationship of high strength concrete and reinforcement under elevated temperature is proposed making use of the general regularity of high strength concrete compression - flexure member. the ultimate load capacity and deformation of high strength concrete compression - flexure members under elevated temperature are analyzed by means of full - range and non - linear analysis method. the computing results and test data are in good agreement
根據高溫時高強混凝土壓彎構件的一般規律，給出了高溫時高強混凝土和鋼筋變形特徵的假設和本構關系，利用全過程非線性分析方法分析了高溫時高強混凝土壓彎構件的極限承載力和變形，計算結果與試驗結果吻合較好。
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