荷載增量法 的英文怎麼說

中文拼音 [zǎizēngliáng]
荷載增量法 英文
increment load method
  • : 荷名詞(蓮) lotus
  • : 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 ...
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
  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。按照鳥撞問題數值計算方逐步深入的思路,系統總結了小變形結構動力學有限元數值計算方、有限變形的幾何非線性有限元數值計算方、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. By the check - out, inspection and measurement to start construction the industrial art to this test pile with the examination between stake body mass and bearing power, made sure the stroke reasonable operation method drilling under the dissolved cavern geology term ; the pier foundation loading test expressed the lading and rub the lading that resistance drag a glazing for of relation, and to the borehole cast - in - place concrete pile in the karst terrain deliver with break the mechanism, the characteristic of bearing power, proceeding the spot test job of the full of result ; the test data expresses the stake side friction resistance to rises with a bat batch terminal friction resistance very important function, the of tip of pile resistance drag occupies the proportion very few

    通過對本次試樁施工工藝的檢測和樁身質及承力的檢驗,確定了沖擊鉆在溶洞地質條件下的合理使用方;基樁承實驗表明了與摩擦阻力之間的關系,並對巖溶地區的嵌巖灌注樁的傳遞和破壞機理、承力特性,進行了富有成果的現場測試工作;試驗數據表明樁側摩阻和支盤端阻起很重要的作用,樁端阻力所佔比例甚少。這與設計樁基時的計算模式相差很大,承力也較設計加;使用力學數值分析方和有限單元,對鉆孔灌注樁樁端下的巖體強度和結構穩定性方面進行模擬計算和定研究。
  3. 2 ) the structure elements should be laid out symmetrically and uniformly when designing steeve - arch structure, what ' s more, the reasonable selection of section geometric size near the arch foots of first beams is paid attention to and the arrangement difficulties of steel bar due to the big eccentric pressures 2, the analyses of anti - seismic features on transverse direction of the aqueduct l ) the method of adjusting the elements " mass can be harnessed in order to even the layout of seismic loads

    2 )設計吊桿式拱架支承結構時,各部分構件應當均勻對稱布置。另外,還應注意頭道梁拱腳附近截面的尺寸擬定,克服地震內力造成的大偏心受壓狀態給結構配筋設計加的困難。 2 、橫槽向抗震性能分析1 )可利用調整構件質的方,使得結構的某些構件的地震分佈均勻一些。
  4. 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,採用荷載增量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計算在用拱橋承力可靠度指標評估值。
  5. Because traffic flow greatly increases in recent years and the rank of actual driving load enhances, causing this bridge to be at the excess load the service condition, so in order to guarantee the bridge ' s transport security, the main body structure of the bridge should be reinforced

    摘要長沙市八一路跨線橋由於近年來交通流,實際行車等級提高,使得該橋處于超負的營運狀態,為了保證大橋營運安全,需要對此橋的主體結構進行加固,在選擇加固方案時對比了三種加固方:鋼混凝土組合結構加固方、混凝土結構擴大截面加固方、粘鋼加固方
  6. 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,結合牛頓荷載增量法和柱面弧長的跟蹤技術,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。
  7. Concrete elastic modulus and concrete creep and shrinkage variety at different time are reckoned in by using time increment analysis method and concrete creep and shrinkage secondary force is calculated by using effective elastic modulus. bridge stability analysis program is developed on the base of structure matrix displacement method, the program adopts visual basic language, has friendly interface and visual data input windows. the buckling safety factor of currently finished structure is given as result

    為計入混凝土彈性模的變化及混凝土徐變收縮隨混凝土的齡期與外時間不同而變化的影響,採用時間對每個計算階段根據其階段內時步數進行循環,以計算時段內彈性應力、應變和徐變、收縮產生的應力應變,利用有效彈性模計算混凝土徐變收縮次內力,在此基礎上,結合結構矩陣位移的基本理論編制開發了計入混凝土時效效應的高墩大跨徑橋梁穩定分析程序。
  8. 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原理、及中點剛度理論,提出了本文暫且命名為曲率力的非線性分析方。該方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。
  9. First, the governing equations of the cylindrical shells are linearized by using the load incremental approach

    首先使用將兩種圓柱形殼體的非線性微分方程線性化。
  10. 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,先將長柱離散成若干等長的柱段,利用差分方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進行迭代求解。
  11. 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,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。
  12. An incrementally - iterative algorithm with constant stiffness, which combines step - by - step time integration scheme with unbalanced load transfer method, is employed in numerically implementing of the proposed constitutive model

    在模型本構關系的數值實施中,採用將時域逐步積分格式與不平衡轉移相結合的?常剛度迭代演算
  13. An inner iterative incremental displcacement procedure on the basis of the harmonization of the deformation amid the displacement function, and an inner iterative incremental load procedure cmi the basis of tile dispacement function and the improved arc - length method are proposed

    本文提出了基於變形協調與位移模式的內迭代位移與基於位移模式和改進弧長的內迭代荷載增量法
  14. The stiffness matrix is kept constant in all incremental loadings and each iteration. only force vector is changed. so, the efficiency of computing is approved dramatically

    由於採用了常剛度,則在所有與每次迭代中剛度陣均不變動,只需改變右端即可,因而顯著地提高了計算效率。
  15. Due to the existence of friction, the paper utilizes a method of simulating the increments of the external load to trace the history of loading taking account of the irreversible character of the history of loading

    由於摩擦的存在,考慮到加歷程的不可逆性,本文採用模擬外部的方來追蹤加歷程。
  16. Based on the characters of structure of the project, the structural style selection is given and analysis program of the latticed shell of double - layer hyperbolic pyramid cooling tower is programmed by the finite element theory and vb 6. 0 advanced programming language, which includes of 15 programs and directly aims at cooler tower and gives the forcing property by the computing program of the latticed shell of double - layer hyperbolic developed. analysis of static stress and temperature stress is given out by means of three dimens ions members finite element and numerical analysis, optimum design of member sections is given out by full stress, analysis of geometric nonlinear is given out by nonlinear finite element, analysis of earthquake stress is given out by the mode decomposition response - spectrum method, the latticed shell cooling tower compared with the reinforced concrete structure finally

    該軟體包括15個程序,其針對性強,直接針對冷卻塔,對該結構進行了受力分析,具體分析包括:採用空間桿件有限元和數值分析方對結構進行了靜力分析與溫度應力分析;採用滿應力對應用於冷卻塔的桿件截面進行了優化設計;採用非線性有限元分析方,並利用荷載增量法對該結構進行幾何非線性分析;採用振型分解反應譜對網殼的自震特性及地震反應作了一定的研究;並且將具體工程的研究結果與鋼筋混凝土結構冷卻塔進行對比。
  17. The thesis, in the probability analysis and computation, considers the failure history of space frames and trusses, adopts the bound criterion and algorithms on the base of system ' s critical strength, and introduces the soft self - adaptation control bound into the identification of dominant failure modes ; at the same time, with the incremental load method and differential equalized recursive method, computes the limit - state function of failure mode and probability index precisely under no leaking the dominant failure modes

    文中在可靠性分析和計算部分,考慮空間剛桁架結構系統的失效演化歷程,採用基於系統臨界強度的約界準則和約界演算,將柔性自適應控制邊界引入失效模式識別過程;同時,用荷載增量法和微分等價遞歸演算相結合,確保在嚴格不遺漏主要失效模式的情況下,快速準確地求解失效模式的極限狀態方程和可靠度指標。
  18. In the analysis, a cfst arch ( single tube ) is first divided into a finite number of straight beam elements. according to the virtual work principle and the modified newton - raphson iteration method the tangent stiffness matrix considering double nonlinear properties is established. with regard to the non - equilibrium forces, the material nonlinear property along the height of the section and the length of the element is considered and the computation accuracy is improved as a result

    本文首先將拱肋劃分為一系列的直梁單元,運用虛功原理和修正newton - raphan數值迭代演算的基本原理準確推導了拱肋直梁單元的非線性切線剛度矩陣;在不平衡力方面考慮了沿截面高度和單元長度方向材料非線性的發展過程,提高了計算精度;再根據得到的切線剛度矩陣採用步內修正newton - raphan迭代的迭代進行了求解。
  19. First, based on the analysis to the development condition of computer and property of the input data of bridge, this paper, taking convenience and practicability as principle, develops the multi passages data - in system made up with human - computer interactive interface and excel import model. second, after comparing and analyzing to the calculation theories and methods of creep and shrinkage, clearing up the key steps of creep and shrinkage analysis, the paper takes incremental method to establish program to analyze secondary inner force caused by creep and shrinkage. third, the paper puts some optimal or simplified treatment to the contents of pre - stress and develops relative program ; in addition, through analysis to the different methods used to calculate the secondary inner force caused by pre - stress, the paper combines equivalent load method with finite element, carries out some simplified treatments, and establishes program to calculate secondary inner force caused by pre - stress

    首先,在分析當前計算機的發展狀況及橋梁結構輸入數據特點的基礎上,以方便、實用為原則,採用人機交互界面和excel輸入方式聯合的多通道數據輸入系統;其次,通過比較分析徐變收縮計算的各種理論及方,澄清了徐變收縮分析的關鍵過程,並採用編製程序,實現徐變收縮次內力分析;再次,對預應力的相關計算內容進行適當優化或簡化處理,並編制相應程序;另外,本文還在比較預應力次內力各種計算方的基礎上,將等效結合有限元進行一些簡化處理,編製程序實現預應力次內力的計算;最後以三個算例來校核計算方及程序運行結果的可靠性,取得了預期效果。
  20. And because the excavation is often processed in steps during the multi - timbering structure construction, the thesis also analyses briefly to the multi - timbering structure on each working condition during the process of excavation and compares it with the actual measurement combining with the analysis method considering soil - structure and load increment method which is put forward in the thesis

    同時,本文也針對多支撐支護結構施工時,存在的分步開挖的情況,結合本論文所提考慮土-結構共同作用的分析方荷載增量法理論,對多支撐支護結構在開挖過程中各工況進行了簡要分析,並與實測結果進行了比較分析。
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