載荷增量 的英文怎麼說

中文拼音 [zǎizēngliáng]
載荷增量 英文
load increment
  • : 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 ...
  • : 荷名詞(蓮) lotus
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • 載荷 : load; loading載荷變化 load fluctuation; variation in load; 載荷裝置 load device
  1. The scielltific computational theories and methods on bird strike to the windshield of aircraft have been systematically studied and summed up in this thesis, such as fem comptltational principles and procedures to elastic dynamic problems under the conditions of small and non - linear finite deformation, 3d viscous elastic constitutive theory and incremelltal expression under the consideration of the rate effect of non - metallic materials like the aircraft windshield, and the numerical compatational principles and key constitutions for impact - contact dynamic subjects

    2 、系統學習並歸納總結了鳥體撞擊風擋結構問題中的科學計算理論與計算方法。按照鳥撞問題數值計算方法逐步深入的思路,系統總結了小變形結構動力學有限元數值計算方法、有限變形的幾何非線性有限元數值計算方法、粘彈性體非線性形變的本構物理關系;對于實施復雜結構有限元動力學計算的載荷增量方法提出了對newmark差分的改進以及進行材料與幾何非線性數值計算的細致步驟。
  2. : 36 < kth < 37 mpa / m3 / 2, 42 < kih < 44mpa / m3 / 2, 51 < kc < 52 mpa / m3 / 2 through the sem fractography, it is know that the susceptibility to brittle failure at room temperature is more than below 100 ?. and the susceptibility to brittle failure increase with hydrogen increasing, under the sustained loading, ductile cracking appears. the quantity of brittle cracking is more with crack growth

    T44mpa m 『 q , sl lt52mpa in 』 」斷口分析表明,該合金充氫后其室溫時的氫脆敏感性大於100oc時的氫脆敏感性;且隨氫含升高,氫脆敏感性加:在恆的作用下,該合金裂二紋開始擴展時顯示的是韌性起裂;隨裂紋長,試樣脆性斷裂的比例大。
  3. To each increment of load they respond with a definite change of stress and deformation.

    的每個,應力的變形都有確定的變化。
  4. Because uav is smaller and lighter than normal plane, the miniature aerial rs system is easily effected by wind, its " stabilities of position and stance are not good. because the load of uav is so finite, the large professional aerial photogrammetry camera can not be installed

    微型無人機遙感由於受到無人機平臺體積小、重輕、任務有限等因素的制約,在飛行作業中傳感器位置和姿態受氣流影響大、穩定性差,而且目前是非專業攝影機成像,這些都大大加了其影像幾何糾正處理的復雜性。
  5. This paper demonstrates ultimate stress increment of unbonded tendons can be composed of approximate elastic deformation along the elements and local plastic deformation by nonlinear analysis on the unbonded partially prestressed concrete continuous structures. referring to the rule of ultimate stress increment of unbonded tendons at every load case, a regression formula of ultimate stress increment of unbonded tendons based on elastic - perfectly plastic model has been presented for engineers to calculate ultimate stresses of unbonded tendons in prestressed concrete multi - span continuous structures

    考慮在各種工況作用下無粘結筋極限應力的變化規律,並與理想的彈塑性模型相比較,最終得出以理想彈塑性模型計算各種工況作用下無粘結筋極限應力的回歸公式,從而為預應力混凝土多跨連續結構的無粘結筋應力設計計算提供有益的參考。
  6. Ultimate stress increment is a hotspot problem in theory of unbonded partially prestressed concrete structure, however, according to design critera and the art of the state on this issue around the world, it is still not considered in reason that ultimate stress of unbonded tendons in prestressed concrete multi - span continuous structures varies with load cases

    無粘結筋的極限應力一直是無粘結預應力混凝土結構理論中熱點問題,而從目前各國的設計依據及研究現狀來看,還沒有合理考慮多跨連續結構的無粘結筋極限應力隨工況變化的情況。
  7. The age hardening characteristic of as - cast cu20ni20mn and cu20ni35mn alloys and the interface characteristic between the alloy and cast tungsten carbide were studied, and on the basis of this study, composites of cu - ni - mn alloy reinforced with different volume fraction ( 0 - 45vol. % ) and different size ( 42 - 362 m ) of cast tungsten carbide particles were made by vacuum hot - pressing liquid sintering technology. pin on disk two body abrasion tests have been performed with different size of sic abrasive under different loads

    本文研究了鑄態cu20ni20mn和cu20ni35mn合金的時效硬化特性及其與鑄造碳化鎢的界面特性,並在此基礎上以不同尺寸( 42 362 m )的鑄造碳化鎢顆粒為強體,採用真空熱壓液相燒結技術制備了不同顆粒含( 0 45vol . )的鑄造碳化鎢顆粒強cu - ni - mn合金基復合材料;以不同粒度的sic為磨料,在不同條件下利用銷?盤磨損試驗機測試了復合材料的二體磨料磨損性能。
  8. The representative failure models of arch rib are searched and the rib section resistances are calculated by incremental method and disadvantage loading in the control sections. the structure reliability assessment index on bearing capacity of the arch - bridge is calculated by the function of bearing capacity reliability, structure resistance probability model, load action effect probability model and jc method

    對每種布置型式,採用法進行拱橋結構失效模式的尋找和截面抗力的計算,給出其承力可靠度功能函數,推導功能函數中結構抗力和作用效應概率模型,並利用改進的一次二階矩法計算在用拱橋承力可靠度指標評估值。
  9. The friction and wear properties of pa6 composites filled with different contents of nano - al2o3 sliding against 45 steel and cu counterface in dry conditions are evaluated by using an mmw - 1 friction and wear tester. the findings show that incorporation of nano - al2o3 into pa6 serves as physical joints with the molecular chain of pa6 matrix, and helps reduce wear mass loss of pa6

    對于銅摩擦副而言,尼龍6 nano - al _ 2o _ 3復合材料的摩擦系數在一定時,隨納米al _ 2o _ 3填料粒子填充加摩擦系數呈上升趨勢,此變化規律對于復合材料與45 ~ #鋼對摩時則不明顯。
  10. The research on the ground load of landing gear with multi - wheels and multi - struts has been conducted for a long time and the research is quite successful at abroad. however, due to the blockage of the developed countries in technical information as well as the number of aircraft with multi - wheels and multi - landing gear keeps growing

    然而,由於外國在該方面的對中國實行技術資料封鎖,加之我國現有的多輪多支柱起落架飛機數在不斷加,因此開展多輪多支柱起落架地面研究有較大的實際意義。
  11. The stability behavior of kiewitt ' s suspen - dome was analyzed on the initial state. by the geometrical nonlinear finite element method, the equilibrium path is traced using the cylindrical arc length technology and incremental newton - raphson method. the influence of kinds of parameters is studied

    採用非線性有限元理論,結合牛頓法和柱面弧長法的跟蹤技術,對kiewitt型弦支穹頂結構進行了考慮幾何非線性的全過程分析;為了掌握各個參數對靜力穩定性的影響程度,進行了參數分析。
  12. The prime works are as follows : strain and stress distribution of section was analyzed. the effect of prestress degree. on cracking moment was explored. the relation of the unbonded prestress increment to effective reinforcement index and corresponding bonded prestress increment were studied. the formulae had been established

    其次,設計了三根活性粉末混凝土無粘結預應力疊合梁,兩點對稱集中加、一次受力,得到了它們的截面應變分佈、撓度與變形、無粘結預應力鋼絞線的預應力、裂縫的發展與分佈以及極限
  13. For each load incremental step, a deformed curve for the corresponding state can be determined

    對應每個,可求得長柱在相應狀態下的一條變形曲線。
  14. Based on the statistic values of the bars " strength fracture experiment, the failure probability theoretical value of five bars truss structure is obtained. with the aid of the theory of the incremental load method [ icm ], the failure probability experiment plan of the five bars truss structure is discussed. some problems of using the icm in the five bars truss structure reliability experiment are analyzed, and some author ' s opinions are presented

    通過桿元的拉伸破壞實驗,得到了五桿桁架結構失效概率的理論值;結合法,給出了進行桁架結構體系失效概率實驗的實驗方案;分析了應用法進行五桿桁架結構失效概率實驗所面臨的問題,提出了一些個人的見解和建議。
  15. The method, based on the finite element theory, force - method theory, increment method and middle stiffness method, making use of the increment of curvature of the section, works out the increment of load applying and is proved in this thesis

    接著,本文根據有限單元和力法原理、法及中點剛度理論,提出了本文暫且命名為曲率力法的非線性分析方法。該方法通過加截面的曲率來反求框架外加,並在文中以試驗的框架模型為例,給出了整個推導過程。
  16. First, the governing equations of the cylindrical shells are linearized by using the load incremental approach

    首先使用載荷增量法將兩種圓柱形殼體的非線性微分方程線性化。
  17. In this paper, the approaches of load incremental and discrete least square collocation have been employed successfully in the geometrically nonlinear analysis for both stiffened and nonstiffened cylindrical shells

    摘要本文採用載荷增量最小二乘配點法分析圓柱殼體和縱、橫向加筋圓柱殼的幾何非線性問題。
  18. That is the identification of material parameter is done through the true deformation increment in the loading stage before, loading increment, and the stress state by artificial neural networks, after this, we can get loading increment for the next deformation stage by the artificial neural networks trained by stress stage, target deformation increment and the identified m value

    即首先根據上一步加材料的實際應變、所加應力以及材料所在的應力狀態識別出材料物性參數m值,然後再根據材料加后的應力狀態、目標應變以及識別所得m值,由訓練好的識別應力的人工神經網路產生應加的載荷增量
  19. In the procedure, the column is first divided into a finite number of small segments in equal length. the deflection - curvature relation of each segment is determined using the finite - difference method. the final nonlinear algebraic equations are then obtained by means of the equilibrium condition for each segment

    運用這種方法,先將長柱離散成若干等長的柱段,利用差分方法求得各柱段截面上的撓度與曲率的關系,再根據各截面上外力與抵抗力的平衡條件,得到一組關于與變形關系的非線性代數方程組;本文對該方程組採用載荷增量法進行迭代求解。
  20. In the paper, the load incremental method is adopted. by the way of reducing the elastic model of the destructive blocks in the elements, the finite element analysis model is revised and the repeated computing process does n ' t finish until the results are converged. the proposed method can simulate the entire process of concrete structures from crack to complete damage

    分析中採用載荷增量法,對各級下單元中破壞的材料分塊進行彈模折減處理,並重新生成單元剛度矩陣,經過多次迭代直至計算收斂,從而可以給出各類cfrp加固混凝土結構的?變形全過程曲線,並預測其極限承力。
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