random force 中文意思是什麼

random force 解釋
隨機力
  • 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...
  • force : n 1 力，勢。2 體力，氣力，精力，魄力。3 暴力，壓力；兵力，武力。4 〈pl 〉 部隊，軍隊，兵力。5 勢...
  1. 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。
  2. In addition, the computer method is proposed to get the stochastic pile capacity and the random optimum analysis is done in virtue of the genetic algorithm which can easily think over the influence of the randomness of pile capacity on the internal force of capping beam based on the thorough analysis about the primary factors influencing the randomness of pile capacity. an optimization program is worked out for the analysis which can consider the pile - soil - cap interaction and the non - linear character of the foundation soil

    此外，本文對影響基樁承載力差異性的主要因素進行了深入分析，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優化分析，可方便地考慮基樁承載力隨機性對承臺梁內力的影響，並開發出能考慮樁?土?承臺共同工作及地基土非線性特性的樁基承臺梁內力優化分析程序。
  3. Hi addition, with regard to the computation of the maximum / minimum moment, shear force, settlement and foundation reaction of pile capping beam, the randomness of both pile capacity and foundation modulus are statistically analyzed in virtue of the method ? monte carlo. accordingly, the random probability analysis of the internal force of pile capping beam can be achieved

    並通過蒙特卡洛（ montecarlo ）法對基樁承載力、土體基床系數的隨機性進行統計分析，獲得了承臺梁彎矩、剪力、沉降以及基底反力的最大（小）值，從而實現了樁基承臺梁內力計算的隨機概率分析。
  4. Actual keys, in fact, should be random strings of bits to insure that an attacker cannot improve a brute force or dictionary attack by relying upon a limited domain of possible keys

    實際上，真正的密鑰應該是隨機位串，以保證攻擊者不能靠有限范圍的可能出現的密鑰來實施暴力破解或字典攻擊。
  5. Nonlinear viewpoints on development of science is depended on that the science is the partial system of society system, and it not only has the nonlinear interaction which is the source and motive force of development, but also has strange attractor which lead to order in the disorder, that is science problem and science theory, matthew effect and priority. the development of science also possesses sensitive dependence to the primary condition. it will flux and reflux suffered from the influence of various random factors inside and outside of system

    科學發展的非線性觀立足點就在於科學是社會系統的分系統，它不僅有非線性相互作用，這構成了發展的源泉和動力，更有導致無序中產生有序的奇異吸引子（科學問題與科學理論， 「馬太效應」與「優先權」 ） ，在發展過程中對初始條件也具有敏感依賴性，並受到系統內部、外部的各種隨機因素的影響而產生漲落，在常規發展時期表現為科學的漸變，也就是量的積累，當漲落放大時就表現為科學革命，即質的改變。
  6. Then a simplified computational modal of damping isolation systems is established for a platform structure, and the relationships between the parameters of isolation layer and structural damping ratio, including their vibration - suppressed effect on the whole structure and the relative displacement of isolation layer are studied, and the simulation analysis under several representative load case of random wave force and earthquake affairs is performed. under random wave force, using complex mode theories, non - classically damp problems considering the interaction between the structure and wave, lying in deepwater, are studied. and the resolution solution of structural response are achieved. the results of calculating and analysing show that adding damping isolation to a jacket is an effective way to reduce vibration for offshore platforms

    針對某一典型平臺結構，建立了海洋平臺結構阻尼隔振體系簡化計算模型，進行了波浪荷載工況和地震工況的數值模擬，研究了隔振參數與結構阻尼比的關系以及它們對結構整體和隔振層層間相對位移的控制效果，運用復模態理論研究了位於較深水位的固定式導管架海洋平臺在隨機波浪力作用下考慮結構與波浪相互作用時運動方程中非經典阻尼的解耦問題，獲得了結構響應的解析解。
  7. Object and method 1 research object the data for the study came from xionjiagang and shuangdian communities in tiexi section where many poor people live. the subjects of survey were the main labor force of family that had the lowest allowance in shenyang. the control team was random chose in the same communities

    對象和方法1調查對象選擇沈陽市鐵西區貧困較集中的熊家崗和雙電社區，調查享有沈陽市最低生活保障金的全部貧困家庭，被調查者選取家庭的主要勞動力，同時隨機抽取同一居住地區的非低保家庭作為對照。
  8. 2 artificial neural network, which is one of services provided from the matlab platform, is applied to simulate the relationship between input and output in the system in order to recognize the system so that the performance function can be transformed into the random variable from the force

    在matlab平臺上利用人工神經網路來模擬系統的輸入與輸出關系，對系統進行識別，從而使大壩功能函數由對應于的應力表達直接轉化為外界隨機變量來表達。
  9. According to the raman selection rule and the pl measurement, it is reasonable to evaluate the quality of galnp / algalnp mqw by analyzing the relative intensity ratio of a1p - lo / to. ( 4 ) a new modified random element isodisplacement ( mrei ) model is set up to calculate the dependence between the long - wavelength optical phonon frequencies and the composition of iii - v - type ab1 - xcx mixed crystals. the second neighbor force constants are still assumed to be a linear variation with the composition, but the two first neighbor force constants can be evaluated to be a negative exponent variation with the composition, using the overlapped repulsive potential of the ion crystal combination

    通過實驗我們找到了在這些結構參數上生產gainp algainpmqw的較理想的結果； （ 3 ）首次用喇曼（ raman ）散射方法研究了常溫下的gainp algainp多量子阱結構，除了指認出喇曼光譜中各光學聲子模外，還結合樣品光致發光譜的測量結果，分析發現喇曼光譜中alp - lo to的相對強度比可以在一定程度上評定晶體gainp algainpmqw的生長質量； （ 4 ）在修正的隨機元素等位移? mrei模型的基礎上建立了一個新模型，計算了ab _ （ 1 - x ） c _ x型?族半導體混晶的長波長光學聲子模頻率的組分變化關系。
  10. This study conducts a customers ' satisfaction survey by carries on a questionnaire and uses simply and random sampling way is attempt to look for the relationship between service quality and customers ' satisfaction in air force engine overhaul shop

    本研究採用簡單隨機抽方式針對空軍修護工廠之各發動機維護分隊進行問卷發放與回收。
  11. In light of such incidents the violence and counter violence started to erupt, and i admit that we have used excessive force a lot, to a level in which the people started to turn against us … and crimes committed by our soldiers during break - ins started to emerge such as burglary, harassment, raping and random man - slaughtering

    針對「暴力和反暴力活動開始爆發」這種事件，我承認我們有很多次過度使用武力，以至於到了人民開始轉而反對我們的程度… …在破門搜查行動中，我們戰士的犯罪行為開始顯現，諸如行竊、騷擾、強奸和胡亂殘殺。
  12. The cfrc sample is always ruptured in the place where materials weakly resist outside force, and because the cracks " or damages " distribution of cfrc is random, bending strength of cfrc takes on dispersed

    本文最後採用weibull統計理論對裂紋鈍化后的cfrc的抗彎強度進行了評價，通過最弱環原理解釋了weibull模數的力學意義以及它與cfrc材料中裂紋的關系。
  13. 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。
  14. Random - fuzzy analysis of relationship between last press - pile force and ultimate bearing capacity of static pressure pile

    靜壓樁壓樁終止壓力與極限承載力的隨機模糊分析
  15. A fundamental nonlinear motion equation about motor protein subject to random force and random potential is derived. the expression of the probability flux of this system was obtained

    考慮在隨機力和隨機勢的共同作用下，建立了馬達蛋白所滿足的非線性運動方程，並得到了系統的幾率流密度。
  16. In this paper, we introduce a new type asphaltum pillow about its comformation, physical character and the instance using on base isolation building. then, by using the bilinear model, benc - wen model and stretch model to represent the nonlinear hysteretic restoring - force character of the isolation bearings, by using the random vibration theory, equivalent linearization method, acceleration - frequency function of a base - isolation building lab model are studied

    首先，在相關實驗的基礎上，本文選取了三種恢復力模型：退化雙線性， benc ? wen模型，彈塑性模型，來嘗試擬合瀝青的本構關系，並從理論計算上，實現這些模型對瀝青恢復力的擬合。
  17. Then model experimental on the steel frame structure, experiment uses random knock and single knock separately on the steel frame structure through a force hammer. we can gained the data of experiment using transducers and the data acquisition system and post treatment of the data

    然後，對該鋼框架模型進行模態試驗，試驗通過力錘分別對鋼框架進行隨機敲擊和單次敲擊，通過傳感器和數據採集系統得到結構的試驗數據，再對試驗數據進行后處理。
  18. Since rail is not longitudinal horizontal smooth, there exists various roughness factor, besides, the wheel has eccentric active force, so the vibration caused by subway train has random property. that means it can not be described with a simple defined function

    由於鋼軌本身縱向並不是完全水平的，而是存在著各種不平順，加之車輪存在著偏心作用力，使得地鐵列車運行過程中所產生的振動具有隨機特性，不能用簡單的確定性的函數關系來描述振動的特性。
  19. At last, the comparative calculation and the random optimum analysis about differences between dissimilar distributions of pile rigidity, different variance coefficients and variance relativity were done with the datum from engineering instances. some significant conclusions are also made from the discussing of the factors influencing pile capping beam the internal force

    最後結合工程實例，進行了比較計算，並對不同基樁剛度分佈、不同變異系數、以及不同相關性進行了隨機優化分析，對影響樁基承臺梁內力的各種影響因素及其規律進行了探討，得出了一些重要結論。
  20. Rated broad band random force

    額定寬帶隨機激振動力
分享友人
分享到 Line

分享到臉書