隨機結構 的英文怎麼說
中文拼音 [suíjījiēgòu]
隨機結構
英文
random structure- 隨 : Ⅰ動詞1 (跟; 跟隨) follow 2 (順從) comply with; adapt to 3 (任憑; 由著) let (sb do as he li...
- 機 : machineengine
- 結 : 結動詞(長出果實或種子) bear (fruit); form (seed)
- 構 : Ⅰ動詞1 (構造; 組合) construct; form; compose 2 (結成) fabricate; make up 3 (建造; 架屋) bui...
- 隨機 : random stochasticrandom
- 結構 : 1 (各組成部分的搭配形式) structure; composition; construction; formation; constitution; fabric;...
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Recursive stochastic finite element method
隨機結構有限元分析的遞推求解方法A new type of viscoelastic stochastic finite element method is established using first - order perturbation theory based on local averaging method of random field and karhunen - loeve expansion theory of random process. the amount of computations is greatly reduced by transforming correlated random variables to a set of uncorrelated random variables. the relations of different random response variables are analyzed and monte carlo simulations for viscoelastic stochastic structures are investigated
基於隨機場的局部平均法以及隨機過程的karhunen - loeve分解理論,通過一階隨機攝動方法建立了考慮材料近似不可壓縮的粘彈性隨機有限元公式,由相關結構分解減少計算量,分析了各結構隨機響應量之間的關系,給出了數字特徵的計算方法,研究了粘彈性隨機結構的montecarlo模擬驗證方法。Probability density evolution method for analysis of stochastic structural dynamic response
隨機結構動力反應分析的概率密度演化方法Then, from the expressions of structural random response of the frequency domain, the computational expressions of the mean value, variance and variation coefficient of the mean square value of the structural displacement and stress response under the stationary random excitation or non - stationary random excitation are developed by means of the random variable ’ s
在此基礎上,從隨機振動頻域分析出發,導出了在平穩或非平穩隨機激勵下,隨機結構的位移響應均方值、應力響應均方值的數字特徵計算表達式,通過算例驗證了所建模型和所提求解方法的正確性和有效性。Based on method of moment and method of weighted residuals, a new analysis method for the stochastic structures is proposed and described as a unified form in this paper
本文基於加權殘值法和矩法的特點,提出了隨機結構分析的一種新方法,並從理論上給出了其統一的表述。Precise time - integration method with augmented matrix for analysis of non - stationary random responses
線性隨機結構的平穩隨機響應By orthogonal polynomial approximation method, we first reduce the random system into its deterministic equivalent one, so the response problem of a random system can be transformed into that of a deterministic system
有關上述gegenbauer多項式方法在隨機振動問題中的應用,現有文獻中尚未見報道。上述三種方法都可以用於求解隨機結構的演變隨機均方響應問題。The probability density evolution method for compound random vibration analysis of stochastic structures
隨機結構復合隨機振動分析的概率密度演化方法The random analysis of structure under fatigue loading, the statistic finite element method ( sfem ) for fatigue reliability, random fatigue damage accumulation theory and fatigue reliability of structure system were studied in this paper with regard to the metal structure of engineering machine
本文以工程機械金屬結構為對象,探討了疲勞載荷下的隨機結構分析、隨機有限元計算構件疲勞可靠度的方法、隨機疲勞累積損傷理論、系統疲勞可靠性分析。主要工作有: 1Many investigations show that randomicity of structures ? parameter will bring large value of stochastic dynamic response of structures. randomicity of structures ? mechanics parameter may be dominant factors. therefore, introduction of randomicity into system model of structure and using random system model are more reasonable than that of determinate system model
眾多的研究工作表明,結構參數的隨機變異性可以引起結構隨機動力響應的大幅度漲落,結構力學參數的隨機性還可能成為主導因素,在結構系統模型中引入隨機性的概念,採用隨機結構系統模型是較確定性結構系統模型更為合理的一種選擇。Pseudo excitation method ( pem ) is used, thus one random process excitation can be transformed into a deterministic transient excitation, so the joint - random problem is turned into a single - random problem accurately, it can be solved easily by means of perturbation method and sequence orthogonal decomposition theory respectively. the probabilistic approach is used to transform stochastic optimization into deterministic optimization, therefore the optimization can be achieved through multiple objective decision making theory
以虛擬激勵法為基礎,將隨機過程激勵轉化為確定性動力激勵,從而將復合隨機問題精確地轉化為僅結構參數具有隨機性的問題,分別利用攝動理論和次序正交分解理論推導了確定性動力激勵下隨機結構響應特徵,採用概率方法將隨機優化問題轉化為確定性優化問題,從而可以通過多目標決策理論進行結構優化設計。The stochastic structure and stochastic intelligent truss structure are taken as research object in this paper. the analytical model and method of the structural dynamic characteristic are investigated. when the applied forces are random excitation or random process ( stationary random process or non - stationary random process ) excitation, the structural dynamic response, the active vibration control for the intelligent structure, the optimal placement of the sensor and the actuator and the optimization of the feedback gains of the closed loop control system for the intelligent structure, and the effects of the structural parameters on the active vibration control et al are all studied systemically
本文以隨機結構和隨機智能桁架結構為對象,對結構動力特性分析模型與求解方法進行了研究;對結構在隨機力或隨機過程(平穩隨機過程或非平穩隨機過程)激勵下,結構的動力響應、結構的振動主動控制、智能結構中作動和傳感元件配置位置與閉環控制系統增益優化、結構參數對振動主動控制效果的影響等問題開展了全面而系統的研究。Three decoder architectures, parallel, serial and partially - parallel approaches, are analyzed in this thesis. a kind of novel partially - parallel architecture for decoding ldpc code is proposed. the trade - off between the performance of the decoder, hardware complexity and data throughout can be achieved with this partially - parallel architecture for the random parity check matrix
論文分析了三種不同的譯碼器結構:并行結構、串列結構以及部分并行結構,並提出了一種新穎的部分并行結構的ldpc譯碼器,較好地解決了當校驗矩陣為隨機結構時,譯碼性能、硬體資源和數據吞吐量平衡的問題。The first international conference on stochastic structural dynamics held in china
國際隨機結構動力學會議首次在中國召開The probability density evolution method for analysis of dynamic nonlinear response of stochastic structures
隨機結構非線性動力響應的概率密度演化分析It has all of the advantages of method of moment and method of weighted residuals such as simple principle, handy calculation, and the effect to structural reaction from randomness of each structural parameter can be gained
它具有加權殘值法和矩法兩者固有的全部優點,其原理簡單、計算簡便、且能夠獲得隨機結構系統中每一參數的隨機性對結構反應的影響。Eigenvalues and eigenvectors analysis of random structure systems
隨機結構系統的特徵值和特徵向量分析Digital simulation in analysis of stochastic structures : an artificial neural network approach
隨機結構數值模擬分析的神經網路法Thereby, during studying random structures, it is necessary to analyze the nonlinear chrarcteristics
因此,在研究隨機結構時,有必要對非線性情況進行分析。Nowadays, a lot of attention has been paid to the distribution of some particular patterns in the random structure
近來,在隨機結構中,有關某些特定的模式的分佈受到了很大的關注。分享友人