隨機載荷 的英文怎麼說

中文拼音 [suíjīzǎihé]
隨機載荷 英文
random load
  • 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
  • 載 : 載Ⅰ名詞（年） year : 一年半載 six to twelve months; six months to a year; 三年五載 three to five ...
  • 荷 : 荷名詞（蓮） lotus
  • 隨機 : random stochasticrandom
  • 載荷 : load; loading載荷變化 load fluctuation; variation in load; 載荷裝置 load device
  1. The equation of the structural limiting state can be expressed : z = r - s, thereinto r and s respectively are structural resistance and load response expressed with stochastic variables, we ca

    結構的極限狀態方程可以表示為： z = r ? s ，其中r和s分別為用隨機變量表示的結構的抗力和荷載響應，通過極限狀態方程就可以得出結構的失效概率，或者是用可靠指標表示的結構的可靠度。
  2. Especially for ship and ocean - platform structure, there are a lot of stochastic factors affecting their design, for example, wave, tidewater and wind which act on the ship surface are indeterminate ; material data and dimension data provided may be not completely consistent with that of real structure ; some hypothesis, for convenience and simplification, make the calculation model is not the same as the real structure

    特別對船舶與海洋平臺等結構，影響結構設計的隨機因素很多，例如作用在船舶上的波浪、潮水和風荷載都是不確定的；結構中用的材料物理性能數據可能與提供的有所差異；名義尺寸也可能與實際結構不完全一致；計算中引進的一些假設，也會使計算模式與實際情況有所偏離等等。
  3. Besides, this paper adopts the random finite element method, uses geometric and physical mechanical parameters that are relevant to lining weight of surrounding rock, coefficient of lateral pressure, height or buried depth of vertical loading, elastic resistance coefficients of surrounding rock, elastic modulus of support structure, unit weight of concrete, thickness of the structure as well as torsional strength and compression strength of concrete and etc., as random variables, applies the monte - carlo method to sampling by computer, preliminarily evaluates the reliability of bearing capacity and stability of molded concrete lining of the xuefeng mountain tunnel, and obtains the related displacement of the lining, mean value and variance of internal force, and computed the reliability index of lining structures

    此外，本文採用隨機有限元方法，將圍巖容重、側壓力系數、垂直荷載高度或埋深、圍巖的彈性抗力系數、支護結構的彈性模量、混凝土容重、結構的厚度以及混凝土的抗扭與抗壓強度等與襯砌結構有關的幾何與物理力學參數作為隨機變量，應用蒙特卡洛理論進行計算機隨機取樣，對雪峰山隧道模注混凝土襯砌的承載力與穩定性的可靠度進行了初步評估，得出了襯砌的相關位移與內力的均值和方差，並計算出了相應的襯砌結構可靠指標。
  4. And gave priority to the eular - bernonulli beam model, the simply and convenient analytical resolution for the response of the pipelines under dynamical traffic loads through the impulse function and the congruence method of the vibration form and so on. during the analysis of the chanmical results of the pipelines, the randomicity of the output of the pipelines response was taken into accout. so the stochastic process method was applied to describe the probability characters of the pipelines response, which made the results truer, more veracious

    本文採用eular - bernonulli梁模型和tomosimko梁模型對動力下kelvin粘彈性地基中管道固有振動性狀進行了分析，提出了各力學結果描述的解析式；並以eular - bernonulli梁模型為主，基於脈沖函數、振型迭加法等對管道在動力交通荷載作用下的管道響應問題提出簡單便捷的解析演算法；在管道受力結果的分析中，考慮管道響應輸出的隨機性，將管道響應用隨機過程來描述其概率特徵，使得結果描述更加真實準確。
  5. The results show that whole structure has high reliability index and values, so the boiler steel frame is enough safety and reliability. finally prospect of research and engineering applications of boiler steel frame is discussed in this paper

    考慮隨機影響因素及服從正態分佈的隨機荷載，以整體結構最大應力處構件為評價標準，計算得到結構構件的可靠度指標和可靠度概率值。
  6. Utilizing the characteristics of quick response, easy for automatization and easy to realize frequent commutation of the hydraulic system, this mechanism can be employed in composing the compound movement in horizontal and vertical direction, which could realize accurate simulation of the motion law for motorcycles and automobiles under the effect of random load in high frequency

    利用液壓系統反應快、便於自動化、易於實現頻繁換向的特點，該機構可用來合成水平、垂直方向的復合運動，實現對摩托車、汽車等在高頻隨機載荷作用下運動規律的精確模擬。
  7. The stress induced electrical current changes with stress changing. the sensitivity of cfrc and plain concrete depends on their component, loading condition and the method of measurement. the study on mechano - electric effect of hardened cement paste provides a new method to make smart concrete structures. according to nonequilibrium thermodynamics, a mathematical model on the relatrionship between strain gradient and electric potential gradient is presented

    研究表明，碳纖維混凝土（粗骨料）的電阻隨所受荷載的變化而變化，不同組成混凝土的力電機敏特性不同，力電機敏特性可望用於混凝土結構的應力診斷，從而為智能混凝土結構的實現開辟了新的途徑。
  8. So the chanmical properties and the effect of the timbering form, foundation modulus and stiffen coefficient of the pipelines under static loads were studied, which provided the research basic for the chanmical properties of the pipelines under dynamical loads. the mutual effect of the pipelines and the soil under the dynamical loads is belonging to a coupling system

    管道與土體在動力下的相互作用是一個耦合系統問題，本文從荷載、土體、管-土整體三個方面深入探討了動力荷載下管-土耦合系統的基本特徵：隨機性、動態變化性、耦合性、非線性等。
  9. Because the wind load is a random action, the statistical parameters of structural response under this load can hardly obtained beforehand. however these parameters is necessary to klaman filtering as the preliminary condition. if not ? ot, this signal processing cannot be called the genuine real time optimum estimation

    由於風荷載是一種隨機作用，結構在這種荷載的作用下，結構響應的統計參數不可能事先得到，而這種參數卻是kalman濾波的初始條件，也就不能實現真正的實時最佳估計。
  10. New type of screw mechanism with new function of load sensitive variable speed

    隨載荷變化而無級調速的新型螺旋機構
  11. With the material dynamic constitutive equation including damage and the effect of stain rate the predictable formula about ballistic limit velocity of fiber composite target. secondly based on the damage feature about ceramic / fiber composite target caused by impact load, analysis model about defense performance of ceramic / composite material target is formed and the predictable formula about ballistic limit velocity is also given. lastly using the reflection and projectile theory of stress wave the paper discusses the design of ceramic / composite material target, optimizes the design of double layer ceramic / composite targets, gains optimal coefficient under certain area density and discusses the variety relationship of area density and thickness with optimal coefficient u nder some ballistic limit velocity 3

    首先，分析了纖維類正交鋪層復合靶板在沖擊載荷作用下的損傷破壞機理，結合包含損傷和應變率效應的材料動態本構方程，建立了纖維復合材料板彈道極限速度的預測公式；其次，根據陶瓷/纖維材料復合靶板在沖擊載荷下的破壞特點，建立了陶瓷/復合材料靶板抗彈性能分析模型，給出了彈道極限速度預測公式；最後，利用應力波反射和透射理論討論了陶瓷/復合材料靶板的設計問題，對雙層陶瓷復合靶板的優化設計進行了分析，給出了在一定面密度下的最佳優化系數，討論了一定彈道極限速度下的面密度和厚度隨優化系數的變化關系。
  12. Crack growth model and testing research of high strength steel under random load

    高強度鋼隨機載荷下裂紋擴展模型
  13. 2. considered the material intensity, girder area, panel thickness and loads as stochastic variables, taylor expansion sfem is adopted to analyze the influence of stochastic variables to the nodal displacement, and the different effects of the different variables to the same nodal displacement are compared. 3

    以船舶結構中的材料的強度、梁元截面積、板元厚度和外載荷為隨機變量，採用taylor展開的隨機有限元，分析了隨機變量對船舶結構的節點位移的定量的影響，同時還比較了不同的隨機變量對同一節點位移的不同影響。
  14. 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。
  15. According to our experimental investigations of varying load amplitude, it was found that the phenomena of fatigue crack growth retardation occurred for pmma material following a high overload cycle exerted among the regular constant amplitude load cycles, the ratio of peak value of overload to that of the regular cycles should be over at least 1. 35 to make the retardation taking effect. the experiment scheme for measuring the shutting - off ratio of overload ( defined as the overload ratio when da / dn < 10 - 7 / cyc. )

    本文試驗分析了變幅載荷對裂紋擴展的影響，證實了有機玻璃也存在超載遲滯現象，通過金相觀察分析，提出超載遲滯的過程實際上是裂紋前緣萌生新的裂紋的過程的觀點，同時提出超載遲滯的合理的解析，並且給出超載遲滯比，為隨機載荷下疲勞擴展模型的建立提供了一個重要的參數。
  16. Integral fatigue analysis of single - layer latticed cylindrical shells under stochastic wind loads

    隨機風荷載下單層柱面網殼的整體疲勞分析
  17. The friction coefficient and the abrasion mechanism of the ni - p alloy are related to the applied load. the abrasion form transforms from light abrasion to oxidation one, and then becomes adhere abrasion with the increase of load

    電沉積nip合金鍍層的摩擦系數及磨損機理與所加載荷有關，隨著載荷增大，其磨損形式從輕微磨損，轉變為氧化磨損，繼續增大載荷，最後發展為粘著磨損。
  18. In first part of the thesis, by a review of the research on aircraft sonic fatigue, the formulas for calculating natural frequencies of the typical aircraft skin - panel structure with four edges simply - supported or four edges fixed - supported were drawn, the response of displacement and stress was analysed under the condition of random white noise loading with the steady - state or unsteady - state. the procedure how to use data of s - n curve under constant loading for predicating the fatigue life of skin - panel subjected to random loading was shown

    通過對聲疲勞問題研究的回顧，根據典型飛機蒙皮壁板模型，整理了四邊固支，四邊簡支兩種邊界條件下多階模態固有頻率，非平穩及平穩隨機白噪聲載荷下的位移和應力響應，以及如何從等幅s ? n曲線求得隨機載荷應力下的疲勞壽命。
  19. Data treatment expert system for median stochastic load - spectrum

    中值隨機載荷譜數據處理專家系統
  20. During the study, we introduce a new method named the changeable static load method to analyze road response under moving vehicle, and finally solve the problem with fem

    在研究過程中，作者提出了靜荷轉化法，並引入動力計算的有限元數值演算法，解決移動載荷或隨機載荷作用下路面響應的分析問題。
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