random stress 中文意思是什麼

random stress 解釋
隨機應力
  • random : n 〈罕用語〉胡亂行為，偶然的[隨便的]行動[過程]。adj 1 任意的，胡亂的，隨便的；（話等）信口亂說的...
  • stress : n 1 壓力，壓迫，緊迫，緊張。2 【語音】重音；重讀；【詩】揚音；語勢，著重點。3 重要（性），重點，...
  1. The normal stress acting in any random direction can be obtained in the following way.

    作用於任意方向的正應力可按下列途徑來求得。
  2. In enforcement plan, the beam and protect plate, and random resistance are analyzed, in which the normal random variable and maximum stress element as evaluation standard are considered

    研究了爐墻的改造，梁和護板的改造、腐蝕嚴重的部位的加固方案，分析了梁、柱改造方案的隨機抗力。
  3. Second, the random variables in reliability analysis of the steel rail are discussed. these random variables include the wheel load, the stiffness of the rubber pad and the bed, the temperature stress and the fatigue ultimate strength of the steel rail. and their probability distributions and parameters are discussed thoroughly

    其次，對鋼軌可靠度分析中涉及的隨機變量如輪載力、軌下膠墊剛度、道床路基聯合剛度、溫度應力及鋼軌疲勞極限強度的概率分佈類型和統計特徵進行了詳細討論。
  4. By sun, bo ( major : marine biology ) directed by professor zhang, guofan and dr. liu, xiao population genetics of four argopecten irradians cultured populations was analyzed by using random amplification polymorphism dna ( rapd ) techniques. and partial dna sequences of the internal transcribed spacers ( its ) from four representative samples ( one sample represent for each population ) were amplified by pcr and sequenced in order to stress the phylogenetic relationships of the four populations. besides, by rapd technique, two argopecten irradians families were studied to examine whether the hybridization experiments were successful and which family was more suitable to be materials in future genetic linkage map construction

    本文以海灣扇貝4個養殖群體為研究對象，採用隨機引物多態性dna （ rapd ）技術進行了群體遺傳學研究，並嘗試使用4個群體中代表個體的內轉錄間隔區（ its ）序列比對分析結果作為參考；另外，本文還運用rapd技術對人工異體交配的2個海灣扇貝家系的雜交成功率進行了分析，均獲得成功證實，並評估了兩個家系構建遺傳連鎖圖譜的潛力。
  5. Parameters estimates for random step - stress life - testing under exponential distribution

    指數分佈下隨機應力步加試驗參數估計
  6. At last, an approximate method for evaluate fatigue life of structures under repeat random stress block is presented through a lot of calculation examples

    進一步分析了隨機應力循環下結構的疲勞損傷，導出損傷演化的遞推公式，並結合大量的計算給出結構在應力塊重復循環下疲勞壽命估算的一個近似方法。
  7. 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。
  8. A time - variant reliability formulation is presented in this paper to account for the effects of fatigue, corrosion and maintenance actions on the first yield reliability of midship section modulus. a probabilistic model for long - term distribution of wave - induced fatigue stress range is established. for the purpose of obtaining the performance of structure that stands random fatigue load, the concept of stress parameter and equivalent stress range are introduced

    船舶在由波浪彎矩引起的交變應力作用下，船體構件焊接點處的微小裂紋逐漸擴展；同時，隨著船齡的增加，眾多結構構件遭受腐蝕的作用；從而使船體梁剖面模數減小，船體梁承載能力衰減，船舶結構的安全性將受到相當大的影響。
  9. 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。
  10. Electromechanical components for electronic equipment - basic testing procedures and measuring methods - part 6 : dynamic stress tests - section 5 : test 6e : random vibration

    電子設備用機電元件.基本試驗規程和測量方法.第6部分:動態應力試驗.第5節: 6e試驗:無規則振動
  11. A kind way of current sharing composed of the droop method and the master - slaver method based on thermal stress and the random of the master is given, in this system an extra controller is attached ; all the software and hardware on can fieldbus communication part have accomplished, which guaranteed the communication of the charger high reliability and high real - time. the source and types of the noise from switching power are analyzed and some methods are introduced to restrain noise and strengthen the system performance of interference rejection

    提出了一種外加控制器基於熱應力均流的主從可轉換均流方法；對系統中can總線通信部分的軟硬體進行了設計，保證了系統通信的實時性和可靠性；對開關電源噪聲來源與種類進行了分析，介紹了一些抑制噪聲和增強系統抗干擾性能的措施。
  12. At the meantime, the rock mass may alternate between loading and unloading and it exists in certain kind of liquid, such as surface water, unconfined water, confined water etc for its intrinsic crannies. the practical rock mass concerned project must solve the key stability pr oblem after the understanding of the complicated mechanical characteristic and the deformation trends to guide the following project design and construction for the demand of security, economy, feasibility and validity. however, the intrinsic nonlinearness and complexity of the engineering rock mass become the main difficulty to predict the stability and deformation, the corresponding structure design must ensure enough safety with all the determinate or random force combination, so a model without the geometry distortion and constitutive equation warp is necessary to be built for the quantificational analysis of practical structure ' s stress, for the simulation of the real process and for the determinate evaluation system and optimization

    由於實際工程巖體其固有的非線性和復雜性，使得求解對應的諸如其穩定性、變形等問題面臨較大的困難，而有關的工程結構的設計必須保證該結構在外來因素的作用下具有足夠的安全度、經濟性和合理性，這必然要求對巖體及其工程結構的受力與變形有一套量化評判體系和優化技術，抓住實際工程問題的本質特徵並建立可行的符合幾何模擬、本構模擬、受力模擬、過程模擬四原則的求解模型，通過該模型的數值模擬成果來指導巖體工程的設計、施工及運營、管理；而巖體結構面的存在使得基於傳統連續介質力學理論的理論分析和數值模擬面臨巨大的挑戰，物理模擬的試驗周期和成本也大大增加，而巖土體工程問題則成為典型的數據有限、了解程度有限類問題，這類問題的解決需要綜合應用理論分析、經驗判斷、物理模擬和數值模擬等方法，數值模擬可以完成目前許多技術手段無法完成的實驗，如參數控制，復雜條件下的邊界條件的處理，同時數值模擬具有高可重復性，且數值模擬的成本和人力開銷等遠低於物理模擬，因此研究巖土體工程問題的流形元數值模擬方法是一項具有理論和實際工程應用價值的重要課題。
  13. It involves much fields, such as politics, economy, society, public health effects, meteorological phenomena and ecological environments and so on, besides that some common problem of multi - attribute decision make, for instance, uncertainty and random, etc. there are many factors : political influence, costs, averted dose, stress reduction, social and political acceptability etc, must be considered in the procedure of decision - making

    早期核電站應急除要考慮事故源項、氣象變化、風場、周邊人口，資源、交通和環境變化等因素外，還要考慮代價、健康影響、最大受照個人劑量，個人避免劑量，集體避免劑量，政治因素，公眾心理等因因素（或屬性） 。
  14. Applied the above theory and the dem program trubal, the unilateral compress problems for the regular generated particles with an interstitial fluid are studied, and the macro - strain - stress curves varied with the fluid properties and the velocity of the wall are gotten. then, he unilateral compress problems for the random generated particles are numerically simulated, and the macro - strain - stress curves are obtained. moreover, the numerical simulation results for the dry and moist cases are compared

    利用上述理論以及demtrubal程序，研究了存在填隙流體時顆粒規則排列單向壓縮問題，得到了宏觀應力應變曲線隨流體性質、壁的運動速度等的變化規律；並對隨機排列單向壓縮問題進行了數值模擬，得到了宏觀應力應變平均曲線；並對干、濕兩種情況下顆粒的模擬結果進行了對比。
  15. The second kind of degradation failure of random failure standard is the stress - strength interference failure considering stochastic stress and strength aging degradation

    在加速退化方程和加速退化因子概念的基礎上給出了幾種典型退化失效
  16. According to the complex behavior of strip foundation beams of pile, the internal stress distribution of foundation beams is influenced by the indetermination and random of the bearing capacity of pile foundations under the beams

    摘要在考慮基樁承載力差異性和樁土共同工作等因素的基礎上引入隨機優化分析理論，提出了基樁承載力隨機生成的計算機方法，並採用遺傳演算法對承臺梁內力進行隨機分析。
  17. In this paper the random theory has been applied to the study on the piston random thermal shock and also the special law of the temperature field and stress field has been got under the thermal shock condition

    最後，將隨機理論應用於活塞隨機熱沖擊的研究，獲得在隨機熱沖擊條件下活塞溫度場和應力場的特殊規律。
  18. The random responses of local multiaxial stress and strain were accurately calculated by the taylor expansion elastoplastic stochastic finite element method under cyclic loading

    交變載荷下taylor展開彈塑性隨機有限元可精確計算局部多軸應力應變的隨機響應。
  19. It realized random section and any son pieces in rock mass to analyse the crack face distribution characteristic conveniently and directly and brought great convenience to analyse stability and stress distrubution in rock mass undoubtedly

    實現了對巖體內部任意剖面和任何子塊角度直接調用分析裂縫分佈的便利，無疑給巖體工程穩定性及其應力分佈分析帶來極大的方便。
  20. A computational model of fuzzy reliability aimed at the solution of engineering problems with random stress - fuzzy strength was presented

    摘要對具有模糊性的各種系統和問題，用常規可靠性理論和方法對其進行描述非常困難，甚至是不可能的。
分享友人
分享到 Line

分享到臉書