等效線性化 的英文怎麼說
中文拼音 [děngxiàoxiànxìnghuà]
等效線性化
英文
equivalent linearization- 等 : Ⅰ量詞1 (等級) class; grade; rank 2 (種; 類) kind; sort; type Ⅱ形容詞(程度或數量上相同) equa...
- 效 : Ⅰ名詞(效果; 功用) effect; efficiency; result Ⅱ動詞1 (仿效) imitate; follow the example of 2 ...
- 線 : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 線性 : [數學] [物理學] linear; linearity線性代數 linear algebra; 線性方程 linear equation; 線性規劃 line...
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We get the math module according to the second law of newton and the foundation of the dynamics, analysis the force of the cart and pendulum, and adopt the concept of " the equivalent cart ". during writing the equitation of the system, the equitation has been processed by linear
利用牛頓第二定律及相關的動力學原理等建立數學模型,對小車和擺分別進行受力分析,並採用等效小車的概念,列舉狀態方程,進行線性化處理,最後通過極點配置,得到變量系數陣。The bouc - wen differential equation model is used in modeling the hysteretic characteristics of these components. the pem ( pseudo excitation method ) combined with the elm ( equivalent linearization method ) is used to analyze the non - linear random vibration of such structures
採用bouc - wen等提出的微分方程模型描述進入非線性構件的滯變特性,運用虛擬激勵法結合等效線性化進行結構非線性隨機振動分析。Study on response computation of a vibration system with variable coefficient of sliding friction using equivalent linearization technique
非恆定滑動摩擦系數振動系統等效線性化計算方法研究The main factors affecting percolation in low permeability reservoirs include stress, threshold pressure gradient, slippage effect and water - blocking effect, which play various roles on percolation, but all will result in non - linear percolation in the end
影響低滲氣藏滲流特徵的主要因素有應力作用、啟動壓力梯度、滑脫效應和水鎖效應等因素,並且這些因素對滲流影響各有不同,但最終均引起低滲氣藏滲流的非線性化。Are uncertain and should be regarded as random variables, therefore the reinforced concrete frame is stochastic structure inherently, and then its motive equations converted to combined random differential equations for the uncertain parameters and external random excitation. these equations were solved by order - orthogonal expansion method with pseudo - excitation method, and then the statistic stochastic responses of random structure were obtained. at last, based on the stochastic cumulative damage model with double parameters developed by park, formulas were formulated for calculating structural earthquake damage probability using the structural reliability theory ( mainly jc algorithm ) in extensive random space
首先對受地震激勵的剪切型鋼筋混凝土結構進行建模,用隨機等效線性化方法將二階非線性微分方程組化成一階線性微分方程組(或稱之為狀態方程) ;再考慮材料等參數的隨機性,則狀態方程成為復合隨機微分方程組,將擴階系統方法和虛擬激勵方法推廣並應用於這個復合隨機微分方程組,求出結構的隨機響應量的統計參數;最後採用隨機累積損傷破壞準則,在廣義隨機空間內,用jc演算法求解失效概率,進而求出結構的抗震可靠度。The mode superposition method, based on equivalent linearization and forcing decoupling method of non - classical damping matrix of energy dissipation systems, is the just one. at the same time, iterative process will increase computing workload and forcing decoupling method increase error
基於等效線性化的強行解耦振型分解法在一定程度上符合此要求,但此方法存在著迭代計算工作量大、強行解耦增大計算誤差的不足。However, it is found that the second or the third order mode shape rather than the first order, are responsible for the seismic responses on free surface under many case in this paper
然而採用等效非線性化直接分析士層地震反應的實例計算結果表明在很多情況下,對場地地震反應起主要作用的不是第一振型而是第二、三階振型。Therefore, basic methodologies for stochastic seismic and filtering responses of nonlinear structure are studied, the approximate solution methodologies and their practical applications are investigated in the dissertation employing equivalent linearization and moment equations method based on fpk equations and ito stochastic differential equations
因此,本文基於fpk方程和伊藤隨機微分方程,研究了滯后結構物的隨機地震反應和隨機濾波問題的基本方法,並利用等效線性化法和矩方程法,研究了非線性結構隨機地震反應分析和隨機濾波分析的近似解法及它們的工程應用。This paper establishes the mathematic model according to the second law of newton and the foundation of the dynamics and analyses respective the force of cart and pendulum adopted the concept of " the equivalent cart " to linearization. the paper specialize the control ability of pendulum system using linear system theory and perform the control of the inverted pendulum applying state feedback theory through pole collocate
本文首先利用牛頓第二定律及相關的動力學原理建立二級倒立擺的數學模型,對小車和擺分別進行受力分析,並採用等效小車的概念進行線性化處理,並運用線性系統理論分析了這個系統的能控性,提出了應用狀態反饋理論,通過極點配置實現對倒立擺的控制。At first, the original system with twelve - order differential equation is linearized to a six - order system by the dfl theory, and then control laws are designed by classical control method
首先以飛機原始非線性十二階微分方程為對象,利用直接反饋線性化( dfl )理論對飛機原始非線性方程進行線性化,將原系統等效於一個六階的線性系統。Then analyze the motion and dynamics ; induce the dynamics equation ; use multiple - step gear estimation and correction to solve the time domain ; use equivalent method of statistical linearization to solve the frequency domain
進行了運動學分析和動力學分析,推導了動力學方程,採用多步gear預估?校正法進行時域求解,採用等效的統計線性化方法進行頻域求解。( 4 ) to determine liquefaction potential in site, several viable approaches are used, and these are ( 1 ) the standard penetration test ( spt ), ( 2 ) measurement of in - situ shear wave velocity ( vs ), and ( 3 ) use of test data and seed & idriss method. considering the non - linear of the soil, we calculate the earthquake response of the soil with the hardin - drnevich model and the finite element method. finally, we estimate the liquefaction capability of the site during earthquake in xuzhou, jiangsu province
中國地展局工程力學研究所碩士學位論文川採用《建築抗震設計規范》 ( gb50on一2001 )基於標準貫入試驗的判別法、基於場地剪切波速的液化判別方法和seed一idriss簡化法對可液化場地進行了液化判別;考慮土的非線性,採用等效線性化模型,利用有限元方法進行了場地的地震反應分析;並對滬蓉高速鐵路徐州段可液化場地的地震液化性能做出了綜合評價。According to different transverse difference in temperature and lengthways difference in temperature, the paper gave the method of computing temperature effect including : 1 ) the stress ot1 caused by nonlinear difference in temperature. 2 ) the constrain stress o t2 in undetermined structures by equivalent difference in temperature. 3 ) the constrain stress ot3 caused in undetermined structures by even difference in temperature tm
針對具有不同性質的橫向溫差和縱向溫差,本文分別提出了預應力結構的溫度效應的計算方法,包括: 1 )非線性溫差引起的自約束應力_ ( t1 ) ; 2 )等效線性溫差引起的超靜定結構的約束太原理工大學碩士學位論文應力民3 )均勻溫差tw引起超靜定結構中的約束應力4 4 )均勻溫差tm引起梁的軸向變形受到柱的側向約束,與預應力筋的溫度變形之間的差異引起的預應力的變化。With the use of one - dimension equivalent - linear wave motion method which is wildly used at present in the analysis of earthquake site response, the platform values and the characteristic periods of ground surface acceleration response spectra of different profiles were calculated and analyzed under different ground motion inputs
利用目前工程上常用的一維等效線性化波動方法計算分析在不同地震動輸入下,不同場地類別、三種土層結構的地表加速度反應譜的特徵周期和平臺值。Thirdly, the methodologies of equivalent linearization and moment equations method in the approximate method for random vibration of nonlinear structure are studied
第三,對非線性結構隨機振動近似分析方法中的隨機等效線性化法和矩方程法進行了研究。Through a great deal of calculation and comparison with the results of monte carlo and other methodologies, a conclusion can be drawn that the precision in the calculation of equivalent linearization can satisfy the needs of practical civil applications for general engineering structures
通過大量計算並與montecarlo法及其它計算結果比較分析得知,對一般工程結構物,等效線性化法的計算精度能夠滿足工程應用的要求。Random seismic responses of civil engineering structure are calculated by employing stochastic vibration equations and moment equations methods of nonlinear structures established and stochastic equivalent linearization. in this procedure of calculation, differential expression of hysteretic characteristics and seismic excitation are taken into consideration
通過已建立的非線性結構物隨機振動方程,納入滯后特性微分表達式,利用隨機等效線性化法和矩方程法,計算了工程結構物的隨機地震反應。The research work about the local non - linear random vibration of engineering structure under earthquake excitation includes ; discrete hinge model combined with the pem and the elm is used to solve such non - linear problem which the bend - type hysteretic effect of some components is taken into account
對于工程結構地震作用下局部非線性隨機振動,將離散塑性鉸模型與虛擬激勵法和等效線性化法相結合,求解這一類局部發生彎曲型滯遲效應的非線性問題。In phase 2, the nonlinear dynamical properties of the simple, two - degree - of - freedom model of mr damping suspension systems are explored by the method of equivalent linearization
運用等效線性化方法,分析了懸架系統由磁流變阻尼器而引起的非線性動力學特性。Say a few words about our understanding and suggestion on the design by analysis, including the modeling of finite elements, the stress classification of results by finite element method and the equivalent linearization method etc
摘要對分析設計中的若干重要問題提出了看法和建議,包括有限元建模、有限元計算結果的應力分類、等效線性化處理方法等。分享友人