非彈性荷載 的英文怎麼說

中文拼音 [fēidànxìngzǎi]
非彈性荷載 英文
inelastic loading
  • : Ⅰ名詞1 (錯誤) mistake; wrong; errors 2 (指非洲) short for africa 3 (姓氏) a surname Ⅱ動詞1 ...
  • : 彈名詞1. (彈子; 小球形的東西) ball; pellet 2. (內裝爆炸物, 具有破壞和殺傷能力的東西) bullet; bomb
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  • : 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 ...
  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、有限變形的幾何有限元數值計算方法、粘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增量方法提出了對newmark差分的改進以及進行材料與幾何數值計算的細致步驟。
  2. It provides strong basement for the research of design. the method of structure analysis commended by this paper is based on nonlinear finite - element, diathermanous and elasticity mechanics. it found the model of a steel beam pressed by gravity and temperature in the condition of indoor fire

    本文提出的結構分析法是在大量參數分析的基礎上,以有限元、傳熱學及力學為基礎,利用ansys軟體,建立一個鋼框架梁在室內局部火災條件下的傳熱模型與在重力及溫度共同作用下的受力模型。
  3. Increasingly widely use of nonlinear viscoelastic materials, use of materials under extreme conditions, along with frequent occurrence of delayed catastrophic accidents, all these make the study a pressing problem of initiation and crack growth of nonlinear viscoelastic fracture

    隨著材料的廣泛使用和材料在極端條件下的使用,在長期作用下頻繁出現的延遲的災難的事故使得的裂紋起裂時間和裂紋擴展速度的研究成為亟待解決的問題。
  4. The main results and academic contributions of the dissertation can be summarized as following : 1 ) for the difficulty to obtain the accurate analytical solution of the stress constraints around 3d cracks, detailed 3d fe analyses have been conducted to study the out - of - plane constraint factor tz around a straight through - thickness crack, a quarter - elliptical corner crack and a semi - elliptical crack embedded in an isotropic elastic plate subjected to uniform remote tension loading. the distributions of tz are minutely studied in the forward section of the cracks. strong 3d zones ( tz > 0 ) along the crack front were investigated despite the far field stress - free boundary conditions

    全文主要研究內容和學術貢獻如下: 1 .針對一般三維裂紋端部場應力約束準確解析的困難,對均勻拉伸作用下各向同板中穿透厚度中心直裂紋、半橢圓表面裂紋和1 / 4橢圓角裂紋進行了大量詳細的全場應力三維有限元分析,首次全面分析了穿透裂紋端部場三維影響區范圍,給出了不同形狀三維裂紋前沿離面應力約束因子tz的數值解,並結合k場平面解給出了穿透裂紋端部應力場k - tz雙參數描述。
  5. First, the dynamic stability of braid composite cylindrical shells with the influences of some main factors is introduced. the general governing equations for the nonlinear dynamic stability is obtained. by the hamilton principle. the creep buckling analysis of braid composite cylindrical shells under axial compression and the dynamic stability under nonconservation force are discussed as emphases. in creep buckling question, by means of theoretical analysis, the instaneous critical load and durable critical load of viscoelastic braid composite cylindrical shell under axial compression are obtained and the numerical example is given

    首先介紹了編織復合材料圓柱殼在幾種主要因素影響下的動力穩定問題,用hamilton原理建立動力穩定問題的一般基本方程。然後重點討論了編織復合材料圓柱殼軸壓下的蠕變屈曲問題及保守力作用下的屈曲問題。對蠕變屈曲問題,通過理論分析來得到了編織復合材料圓柱殼的瞬時臨界和持久臨界,給出了具體的算例。
  6. During the past years a great deal of interest has been devoted to the study of ceramic composite armor due to the application in defense, in the light of recent work of ceramic / composite armor the dissertation provides the defensible performance of ceramic / metal, ceramic / non - metal light armor and multi - layer ceramic composite armor and its optimization design. at one time, it motives us to study the smash mechanism of ceramic facet plate under the effect of impact load and to analyzed different defensible performance from homogeneous armor

    本文針對陶瓷復合裝甲的研究現狀,深入系統地研究了陶瓷/金屬、陶瓷/金屬輕型裝甲和陶瓷多層復合裝甲的抗能及優化設計,同時研究了在沖擊作用下陶瓷面板的破碎機理,對陶瓷復合裝甲不同於均質裝甲的抗能進行了分析。
  7. Measured results from in - site loading tests in tannin harbor and from in - door model tests were compared with predictions from the limit equilibrium methods. a method of estimating the bearing capacity for inhomogeneous medium was suggested to meet every case ; 4. according to the results from model tests, the elastoplastic fem were performed to study the procession of the change of the stress and strain in inhomogeneous medium and to simulate the procession of the forming of the failure surface during loading, and the failure mechanism was studied ; 5

    4 、結合模型試驗結果,確定出了符合均質介質規律的模式,在此基礎上分別運用二維、三維有限元程序,模擬出了外作用過程中均質介質內部應力、變形以及破壞面的發展過程,分析得出了均質介質地基的破壞機理; 5 、在港口工程地基設計當中,已經引入了可靠度理論計算分析基礎穩定
  8. Inelastic yield load of concrete filled steel tubular middle long columns under axial compression

    鋼管混凝土軸壓中長柱的屈曲
  9. According to different working performance ofjhe partially prestressed structure after cracking under the piling loads, the calculating formulae of the " complete stress " are deduced separately by means of linear - elastic or nonlinear analysis method

    根據部分預應力構件在分期作用下不同的受力能,分別用線方法和分析方法推導了預應力構件開裂截面全應力的計算公式。
  10. The three - dimensional model of piled raft foundation is created. the result of analysis can be used to show the effect of the raft thickness, pile stiffness, young ' s modulus of soils and the number of piles

    在此基礎上,建立三維有限元模型,分析筏板剛度、樁剛度、土體模量、樁數對基礎平均沉降、不均勻沉降及樁土分擔比的影響。
  11. Although strict design calculations are made to guarantee the members have sufficient strength in their work life, yet dash and improper loads may damage them during construction and in service. these damages include elastic - plastic bending and local dent in the walls of the tube. in addition, corrosive medium such as atmosphere and contaminated water can also bring corrosion damage in the walls of the tube

    雖然都經過嚴格的設計計算,以保證其在使用壽命期內有足夠的強度,但在安裝施工和使用期間,往往因受到沖撞和正常而產生彎曲和凹陷等損傷,此外大氣、受污染的水分等腐蝕介質也可能在管壁上產生腐蝕損傷。
  12. According to the documentation collected from domestic and abroad wang wei dong who works in huadong architect and structure institute utilizes the similar work property between the underground continuous wall and pile subjected the vertical loads, and introduces poulos method of elasticity and plastic which applies to pile foundation into the calculation for subsidence of underground continuous wall. pujialiu and yu yuzhou from water and electronic engineering of qinghua university, according to the result of three axes, define the concrete parameter utilize the model of non - linear e - b combined with the design cross section of dam in xiaolangdi, yellow river accept the total stress programme of thepd dam, and we analyze the stress and displacement of plastic concrete diaphragm wall by finite element method in comparison with the result of common concrete one. at same time, we consider the effect of the character of plastic concrete diaphragm wall which is composed of different gradients and adopting the level of stress and pulling stress infers whether the plastic concrete diaphragm wall is safe or not

    地下連續墻是一種歷史較短的施工方法,目前,砼防滲墻的設計還是以傳統的設計方法為主,根據查找國內外文獻資料,華東建築設計院王衛東利用地下連續墻與樁在豎向作用下的工作能有相似,將適用於樁基的poulos理論引入對地下連續墻的沉降計算中;清華大學水利水電工程系濮家騮、于玉貞根據三軸試驗結果確定混凝土的參數,利用e - b模型,結合黃河小浪底土石壩設計剖面,採用thepd土石壩總應力程序,對深覆蓋層塑混凝土防滲墻的應力、位移進行有限元分析,並與普通混凝土防滲墻計算結果加以對比,同時分析了不同配比塑混凝土特的影響,並採用應力水平和拉應力數值來判斷塑混凝土防滲墻的安全程度。
  13. In this paper, the three level fortification criterion, two stage design method and the elastic response spectrum theory are adopted, and the program of nba ( the program of nonlinear - aseismic analysis for beam bridge ) is used to calculate. through gathering, analyzing and calculating a lot of bridge design materials, this paper induces a simple way to calculate the relative displacement of the beam and the pier, and then according to the current design method, it concludes a better design principle of the supporting length of the beams. at the same time the dynamics is adopted to put forward the design method of the carrying capacity and the lengthen of prestress wire ( steel bar ) falling - off prevention structures of highway bridges

    本論文採用三水準設防、兩階段設計方法、反應譜計算理論,運用橋梁結構地震響應分析程序nba ( theprogramofnonlinear ? aseismicanalysisforbeambridge )進行計算;通過收集大量的實橋設計資料,經分析計算,歸納總結出計算上下部結構相對位移的簡便計算方法;並綜合國內外的經驗值,提出梁的支承長度se的設計原則;同時運用動力學突加的原理,推導分析了預應力鋼絞線式(鋼棒連接式)落梁防止裝置設計承力的計算方法和設計伸長量s _ f的取值;最後本文通過實橋計算,說明了落梁防止系統設計的方法。
  14. The methods considering the elastoplasticity are the elastic - plastic hinge method and the pseudo load method. based on the need of non - linear analysis, researchers brought forward nonlinear calculation methods to control the iterative constringency, such as the load controlling method, the displacement controlling method, the arc length controlling method and the pseudo load method

    考慮的分析方法有:-塑鉸法和虛擬法根據研究分析的需要,研究人員先後提出了:控製法、位移控製法、弧長控製法和做功控製法等控制迭代收斂的計算方法。
  15. By means of the wavelet transformation the deconvolution is done in the time domain. the dispersive properties of the elastic wave within the impacts acted are analyzed, and with the nonlinear optimization method concerned the impact location is identified

    利用小波變換作時域內的解卷積計算,分析了結構在沖擊作用下的波的散射特,結合優化方法實現了沖擊位置的識別。
  16. Nonlinear dynamic stability for elastic shaft - disc rotating system under the periodic axial load

    軸向激勵下盤軸轉子系統的動力穩定分析
  17. Second, many mechanical properties are tested, for example, tensile strength and tensile modulus, flexural strength and flextural modulus and impact strength. by the analysis of the tensile stress - strain curves and the flexural stress - strain curves, the results are as follows : 1 ) the voluminal content of fibre of composite making by vacuum assistant resin injection is more than other composites. 2 ) the mechanical properties of the needlepunching nonwoven fabric reinforced polymer composite are superior to these of the calendering nonwoven fabric reinforced polymer composite

    首先,採用不同的增強材料(針刺織造布和熱軋織造布) 、不同的基體材料( 961樹脂和306樹脂)和不同的成型工藝方法(手糊法、真空袋法和真空輔助成型法)製造出了一系列織造布增強復合材料,然後對它們的拉伸強度、拉仲模量、彎曲強度、彎曲模量和沖擊強度等力學能進行了測試,並分析了它們的拉伸? ?位移曲線和彎曲? ?位移曲線,結果表明真空輔助成型工藝能大大提高纖維的體積含量;針刺織造布增強復合材料各項力學能優于熱軋織造布增強復合材料。
  18. Under strong seismic ground movement, after the reinforced concrete bridge columns undergo inelastic deformations, the section happened serious failures and seismic shear strength and stiffness degrade rapidly

    在強烈地震作用下,鋼筋混凝土橋墩經歷多次變形后,混凝土截面發生嚴重破壞,導致強度和剛度迅速下降,墩柱抗剪能力較靜力作用下有很大的區別。
  19. Finally, the multi - layer elastic system theory is employed to analyze the pavement response under the nonuniform load

    最後根據疊加原理,利用層狀體系理論對均布作用下的瀝青路面進行計算分析。
  20. I. e., the effect of linear and nonlinear analysis, the gradient of pile, the length of pile stick - up, and the horizontal force on the stability of pile stick - up were studied in details. 2. based on the difference of deformation and failure mechanism for pile side soil and pile toe soil, soil mechanics theory, and results of laboratory experiments and field tests, hyperbolic model and ideal elastic - plastic model were proposed to describe the behavior of the soil adjacent to the pile shaft and the soil at the pile toe, respectively

    2 .根據土的以及室內與現場試驗結果,而且基於樁側土體與樁端土體在豎向作用情況下的變形和破壞機理不同,提出應採用不同土體模型分別模擬樁側、樁端土體在打樁過程中所發揮的靜阻力,即:建立了樁側土體雙曲線模型,並推導了樁端土體理想模型。
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