塑性形變結構 的英文怎麼說

中文拼音 [xìngxíngbiànjiēgòu]
塑性形變結構 英文
yielding structure
  • : 動詞(塑造) model; mould
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  • : 結動詞(長出果實或種子) bear (fruit); form (seed)
  • : Ⅰ動詞1 (構造; 組合) construct; form; compose 2 (結成) fabricate; make up 3 (建造; 架屋) bui...
  • 結構 : 1 (各組成部分的搭配形式) structure; composition; construction; formation; constitution; fabric;...
  1. Fist of all, on the basis of the research of agone boffins, this author investigates the interaction mechanism of bolts and rock, and introduces the elastic ? lastic analytical resolution which is consist of the liner structure, the equivalent reinforced wall rock and the original wall rock in the simple loading from the equivalent well - proportioned view ; this solution is very important meaning for the engineering design. on the basis of coulomb friction model, the author introduces the finite element equation of the contact problem in order to provide the academic foundation for the application of msc. marc. finally, combining the engineering practice of the non - linear analysis of shield tunnel through yellow river of the south - north water transfer and using the model of friction, the author researched the evolution law of stress and displacement field in the structure of grouted rock bolts, and analyzed the effect to the stress and deformation of surrounding rock mass due to anchor supports

    首先,在前人研究成果的基礎上,對錨桿與圍巖的相互作用機理進行研究,利用全長錨固錨桿的中點理論,從等效均化的角度來考慮錨桿對圍巖的加固作用,並推導了在簡單荷載作用下,含有襯砌、等效加固后的圍巖、原始圍巖三者的彈解析解,對工程設計有著重要的參考意義;在數值模擬方面,以考慮錨固圍巖滿足規則化庫侖摩擦模型為基礎,利用虛功原理推導了接觸問題的有限元方程的計算格式,為開發運用大型商用有限元軟體msc . marc提供了理論根據,也成了本文的理論基礎:最後,論文以南水北調東線穿黃隧洞穩定分析項目為工程實例,利用本文所述的接觸問題的摩擦模型理論,對錨桿支護的應力場、位移場的化規律進行了研究,分析了加錨支護對隧洞圍巖應力、的影響。
  2. Based on the studies of petrotexture, structural deformation and the relevant metamorphism, this paper indicates that this peridotite massif is the product of ultramafic magma cumulated at the crust - mantle transtion zone and has undergone the early stage of plastic deformation under the condition of granulite facies ( 800 ) and late ductile shearing at amphibolite and greenschist facies in relevance to uplifting

    本文通過巖體的及相應的質作用研究,提出了該橄欖巖體是由超基巖漿在殼幔過渡帶晶而成,並經歷了與圍巖一致的麻粒巖相( 800 )條件下的早期以及角閃巖相和綠片巖相退化質條件下與逆沖上升有關的韌剪切
  3. In order to use structure ' s ability of elastic - plastic deformation to consume the earthquake energy, decrease the reaction in the earthquake, ferroconcrete frame structure should be designed into ductile one

    為了利用的彈能力耗散地震能量,減輕地震作用下的反應,應將鋼筋混凝土框架設計成延框架
  4. The study in the paper starts with beam distortions, and it treats the plastic deformation area as pure bending sect, rest of the beam as rigid bodies. according to different shapes of the external tendons, it divides into three structural forms familiar in projects, that is the beams with no deviator, with a deviator and with two deviators, and studies the relation between the deformation of the external prestressing tendons and that of the beams, and derives the formulas of the ultimate stress increment of external tendons. in the formulas, the ultimate angle corresponding to half of the plastic deformation area is considered as a variable parameter

    本文首先從梁極限狀態下的入手,將鉸區看作純彎段,將鉸以外的區域看作剛體,按照體外預應力筋的狀不同,分工程中最常見的三種體外式,即無轉向塊的直線型體外筋混凝土梁、具有一個轉向塊的單折線型梁和具有兩個轉向塊的雙折線型梁,研究體外預應力筋和梁體的間的關系,推導出以極限狀態下鉸區之半對應的轉角為參數的計算體外預應力混凝土簡支梁以及連續梁的體外筋應力增量計算公式,並進一步求得梁的極限承載力。
  5. The crystalline structure changes of pp induced by pan - milling were characterized by x - ray diffraction and raman spectroscopy. xrd analyses show that when pp was co - milled with uhmwpe, crystal transformation of pp occurred, its crystallinity and crystallite size decreased, whereas, only slight reduction of crystallinity and crystallite size were observed and no crystal transformation was found when pp was co - milled with wtr chips, and amorphization of pp was strongly enhanced by co - milling pp with iron

    採用x -射線衍射研究了聚丙烯碾磨粉碎過程微觀化, uhmwpe存在下pp發生晶型轉晶度降低和晶粒尺寸減小;彈材料wtr抑制pp,碾磨導致分子堆積有序區域膨脹,晶面間距增大,晶度下降;剛材料金屬鐵與pp產生強烈摩擦,加快晶粒細化,晶格破裂導致非晶化。
  6. Therefore, how to ensure the simulation precision and accuracy is crucial to engineering applications. further improve the automated theory, and continually enhance the accuracy of simulated body structure is the focus of research on anti - collision simulation

    基於一步成逆有限元方法可以對車身件的成厚度和進行預示,改進這一方法,並應用於車身件碰撞計算模擬中。
  7. For the sake of realizing the structural lightweighting design on ball cage patterned constant speed universal joint, taking the maximum contact stress of ball cage patterned constant speed universal joint, overall contacting deformation and plastic deformation as foundations, a preliminary study was carried out respectively on two kinds of ball cage patterned constant speed universal joints with their number of balls as 6 and 8

    摘要為了實現球籠式等速萬向節的輕量化設計,以球籠式等速萬向節最大接觸應力、接觸總為依據,分別對鋼球數量為6和8的兩種的球籠式等速萬向節進行了初步研究。
  8. Consideration of the additional axial, two angular deformations generated by the bond slipping in anchorage zones of joints, the assumption is made, that the plane section of either end of a member before bond slipping of reinforcements remains afler bond slipping of reinforcements. additional deformations * contribution to stif ? nesses of plastic sub - elements is formed from the boundary nonlinearity of plastic stabelements. the space bond slip relation can truly compute bond slip in anchorage zones, additional def ? rmatinns, and their contribution to the space nonlinearity of a niember, has used iii space nonlinear analysis of columns and spandrel beams in this dissertation

    附加子區域的剛度貢獻,看作是子區域的邊界非線,建立了件端部子區域基於件邊界非線的鋼筋與砼之間的空間粘滑移關系,能較真實地求得錨固區的粘滑移、附加以及他們對件空間非線能的貢獻,並運用於柱、裙梁的空間非線分析之中。
  9. In actual engineering problems such as metal forming, structure crashworthiness et al., there are a great number of interface problems with elasto - plastic large deformation. when such large deformation or distortion is solved by finite element method, it must remesh process must be developed to get the less accurate numerical result

    在金屬成型、碰撞、穿甲等工程領域存在大量的彈接觸問題,用有限元法模擬這些過程時,由於的存在,往往需要採用網格重劃分才能得到較為準確的計算果。
  10. In this paper, the state of the art of the engineering controlled explosion and the finite element method ( fem ) are reviewed. in order to analyze and simulate the demolishment of frame - structured buildings due to controlled blasting, the method of killing or activating elements, a high level technique in fem, and the special element - solid65 are introduced to the blasting field first in china by the author

    本文回顧和總了工程式控制制爆破和有限單元法的發展歷史及其研究現狀,在國內首次把單元生死法這一有限元高級處理技術和ansys軟體中特有的solid65單元引入到爆破拆除工程領域,用其進行框架樓房爆破拆除的計算機模擬,探討了件在完全破壞前的應力、應、裂縫生成和成位置。
  11. With the focus on the structure and components character of plate metal / ceramics graded coating, this paper extends and improves the thermal elastoplastic analysis model of trilayered materials derived by suresh et al and builds the theoretical model of thermal elastoplastic stresses analysis of plate metal / ceramics graded coating, and this paper also analyzes the thermal elastoplastic stresses and deformation of metal / ceramics graded coating

    本文針對平板狀金屬陶瓷梯度塗層的和組成特徵,推廣和完善了suresh等人的三疊層材料的熱彈分析模型,建立了平板狀金屬陶瓷梯度塗層熱彈應力分析的理論模型,對金屬陶瓷梯度塗層的熱彈應力和熱彈進行了分析。
  12. We research the causes of concrete cracking, develop the high performance anti - cracking additive, optimize the concrete mix and construction techniques, increase the stability of concrete volume by shrinkage compensation, enhance splitting tensile strength, and can meet demand of high workability of fresh concrete. in the study, a thorough investigation of this problem is made from all points of view, with the aid of various modern measurement & testing technology and different theories & methods in surface physical chemistry, structural chemistry, solid - state chemistry, composite materials, fracture mechanics, etc. our research results have shown that the various shrinkage of concrete cause concrete cracking in building engineering, such as autogenous shrinkage, dry shrinkage, temperature shrinkage, plastic shrinkage, carbonized shrinkage, etc

    目前,解決混凝土開裂的方法是綜合的,我們調查研究了混凝土開裂的原因,開發研製了高能抗裂外加劑,優化混凝土的設計和施工方法,並通過補償收縮達到混凝土體積穩定,提高抗裂強度,滿足混凝土拌和物高工作能的要求。本研究採用多種測試技術,應用表面物理化學、化學、固體化學、復合材料學、斷裂力學等多學科的理論與方法,從不同的角度進行深入的研究和探討。通過調查研究建築工程中出現的混凝土開裂、滲漏問題,發現混凝土在非荷載作用下開裂主要是由混凝土的自收縮、乾燥收縮、溫度收縮、收縮、碳化收縮等各種收縮引起的。
  13. Expansive soil is one kind of high plasticity clay which may bring civil engineering heavy damage. it may make construction, especially the engineering of high - type roadbed, appear failure deformation. it is a kind of long - term latent danger to people ' s life

    膨脹土是一種會給工程帶來嚴重破壞的高粘土,特別是對高等級公路路基工程和大型物所產生的破壞作用,往往具有長期、潛在的危險。
  14. The major research areas of a ship against non - contact underwater explosion include four sectors, namely, ( 1 ) the characteristics of fluid field disturbed by an underwater explosion ( loadings of underwater explosion ) ; ( 2 ) the analysis of transient fluid - structure interactions, and the corresponding dynamic responses of the ship ; ( 3 ) safety assessment of the ship structure undertaking the elastic - plastic dynamic responses ; and ( 4 ) determination of the shock environment imposed on the shipboard equipments, and evaluation of shock protection design

    即非接觸水下爆炸的流場特徵(水下爆炸載荷) 、瞬態流場與相互作用所決定的艦船動響應分析方法、以彈響應分析為依據的艦船水下爆炸安全評估與防護技術、以船體動響應為輸入條件的船用設備沖擊環境的確定方法及相應的設備抗沖擊設計分析方法。
  15. In this dissertation, the effect of texture, heat - treatment, and hydrogen on the lcf behavior of zircaloy - 4 and the cyclic deformation behavior for zircaloy - 4, n18 alloy and n36 alloy have been investigated systematically using fully - reversed tension - compression loading under strain control ( r = min / max = - 1 ), while the evolvement of the friction and back stresses versus the number of repeated working cycles and the plastic strain amplitude has been studied, and the thorough discussion combined with the analysis result of fatigue sub - structure, friction and back stresses, and fatigue fracture has been given to the mechanism underlying the lcf behavior of alloys

    本文採用對稱拉壓循環方法( r _ = _ ( min ) _ ( max ) = - 1 ) ,系統研究了織、熱處理狀態、氫對zr - 4合金低周疲勞能的影響, zr - 4合金、 n18合金和n36合金的循環行為,並研究了摩擦應力、背應力隨循環周次、幅的化規律。合疲勞亞和疲勞斷口的分析果,深入探討了影響合金低周疲勞行為的作用機制。
  16. Then at the elastic - plastic state taking advantage of the brace and eccentric distant, we can control the inelastic deformation of the braced frame. the reinforced concrete frames with eccentric brace conform with the earthquake - resistant principle and its seismic properties have improved remarkably. during the lowly circular and repeated loading, the load - bearing, deformation, and ductility of the eccentrically braced reinforced concerete frames were measured

    偏心支撐鋼筋砼框架的設計意圖是當在抵抗外力作用時,在彈階段有較高的抗側剛度,而當進入彈階段時,利用支撐和耗能段梁的使的非彈可控,體現了抗震「先剛后柔」的原則,使鋼筋砼框架的抗震能得到有效地改善。
  17. Under varied loads such as cyclic and / or transient loading, soil structures or foundation will induce permanent and / or fluctuating plastic deformations. such plastic deformations are cumulative and / or alternating in nature with increase of time of loading during a sequence of cyclic loading. if the resulting accumulated deformations is limited within a given bound or the alternating deformations will be adapted to a given plastic state after a certain cycle numbers or a certain period of loading, the soils will be in shakedown state

    在復雜值荷載作用下,有可能出現兩種狀態:一種是在若干次載荷循環之後,趨于穩定,在此後繼的載荷循環中表現為純彈響應,這種狀態稱為安定狀態( shakedown ) ;另一種則是流動一直持續地發展或不斷反復,直至破壞,的破壞有兩種型式:一種是由的累積引起的增量破壞;一種是多次反復引起的疲勞破壞,也稱為交破壞。
  18. The last stage is a rapid softening course for all strain amplitude. further metallic phase shows : for all strain - controlled, the initial rapid cyclic hardening results from the strong interaction between precipitate strengthening phase and the dislocation ; as for strain amplitude lower than 0. 95 %, the shearing of precipitate strengthening phase leads to the cyclic softening behavior

    金相組織檢查進一步表明,循環作用將顯著改原始態合金中沉澱顆粒的幾何狀、尺寸和分佈狀態,並由此改位錯與顆粒之間的交互作用行為,這一機制將對合金的循環硬化和軟化起促進作用。
  19. In order to reduce the losses suffered from collision between passenger trains, a new design method for the car body structure of motor car and trailer is advanced. car body structures are made up of three parts with diffferen tstiffness, by carefully designed. the parts of the front and the end are the wea kstiffness structure to absorb energy through plastic deformation in the collision. the middle part, where only elastic deformation occurs, is an elastic deformati on structure with strong stiffness. as the passenger train runs normally, car body structure measure up to regulation of intensity and stiffness in the standards

    為了減輕客運列車碰撞事故造成的損失,實現被動安全保護,對組成列車的動車、客車車體提出了新的設計方法,重新分配車體各部分剛度,設計出具有合適吸能的耐沖擊車體,車體均按前、中、后三種縱向剛度設置,前後兩部分為可以產生的弱剛度吸能,中間部分為僅產生彈的強剛度彈
  20. Once collision accident occurred when the train is moving with fairly high speed, the energy - absorbing structure produces large plastic deformation along the direction needed to absorb sufficient energy, at the same time, the deceleration must be controlled within the endurable limits to human body

    當列車在正常運行時,車體有足夠的強度和剛度,需要滿足有關規范規定的強度、剛度要求;在較高速下發生碰撞事故時,吸能能夠沿所需方向產生吸收足夠沖擊動能,保證機器間和乘客區不發生破壞,並延緩碰撞作用時間,降低碰撞瞬間最大減速度,使撞擊減速度在人體承受范圍內。
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