塑性流動 的英文怎麼說
中文拼音 [sùxìngliúdòng]
塑性流動
英文
flow of plasticity-
Finite element analysis of casing damage in plastic flow formation
塑性流動地層套管破壞的有限元分析Non - coaxial plastic flow theory in multi - dimensional stress state
復雜應力狀態下巖土體的非共軸塑性流動理論The studies of material two - dimensional plastic flow in friction stir welding
攪拌摩擦焊焊縫材料二維塑性流動研究By using one - dimensional finite different hydrodynamic code coupled with four spall models, spall in ductile metal has been studied
摘要在平面一維彈塑性流動有限差分計算程序中加入4種延性金屬層裂模型，對平板撞擊層裂實驗進行數值模擬。In addition, the constitutive models included in flac - 3d are deep into research, and th e stress increments are corrected in terms of the plastic strain increment while occurrence of plasticity flow
此外，還對flac - 3d內嵌的本構模型深入研究，塑性流動發生時塑性應變增量對應力增量的修正。Through the simulation of the forming process, we can get the deformations, stress, strain, plastic flowing in sheets and the interface state under impact load and rolling load, the deformation of the sawtooth form and comparing to the initial state, the results above are expressed in computer animated way. and the effect of geometrical ( mainly different form, including 90 degree, isoceles triangle ， 75 degree, and 1. 5 high and wide ), material and technical parameters on the bond strength are analyzed, also including the comparison of different sawtooth form. the optimum parameters are got
對雙金屬復合板成型過程進行模擬，從而得到在沖擊載荷和軋輥壓力作用下基板和覆板的應力、應變分佈和塑性流動變形規律，復合后的齒形的變形情況與初始齒形形成對比，以動畫的方式模擬成型過程，並分析了不同幾何參數（主要是不同的齒型，其中包括直角齒型、等腰齒型、 75度齒型、 1 . 5高寬齒型） 、材料參數、工藝參數對復合強度的影響，以及不同齒型的變形對比以及齒型對復合情況的影響，提出最優齒型、最優工藝參數，有效地指導了實驗。Paper aims at the theory problem of exact celerity machining design which is realized urgently in special shaped products, solves mathematics model of similar forming plastic stream, recurring to modern conformal mapping fruit, builds die mathematics model and optimized function equation of arc square product in precision extruding / drawing, establishes theory model for precision celerity shaped die of cad / cam integrative constitution
摘要本文針對亟待實現的擠壓（拔制）異型材模具精密快速加工設計理論課題，藉助于近代共形映射理論研究成果，求解了異型材擠壓（拔制）模具相似成形塑性流動的數學模型，建立了圓角方型材精密擠壓（拔制）模具模腔數學模型及其優化函數方程，建立了為實現模腔精密快速的cad / cam一體化的理論模型。Sbs elastomers do not depend on a high shearing rate to achieve the injection viscosity, but sebs elastomers are vice - versa
Sbs彈體無需依賴高剪切率來達至塑性流動力， sebs彈體卻需依賴高剪切率來達至塑性流動力This constitutive model describes the non - associated plastic flow of granular material, and replaces the assumption that granular material complies with associated flow rule in the limit " equilibrium theory of granular material
該本構模型反映了散體材料的非相關塑性流動，取代了散體極限平衡理論中散體材料服從相關流動法則的假定。Metal flow behavier in friction stir welding of lf6 aluminum alloy and ld10 aluminum alloy
6攪拌摩擦焊的金屬塑性流動Emform423 contains special extreme pressure additives to extend dielife and promote smooth, even floe of metal and quick, clean release of parts from the dies
Emform423含有特殊的極壓添加劑，可延長模具壽命；並能形成勻順的金屬塑性流動，從而使工件得以迅速、潔凈地自模具脫離。The famous project of gas transiting west to east and the cross - river tunnel of huangbu river in shanghai also will be constructed with this technique, which is under the plan. among the shield tunneling methods, up to now, earth pressure balanced shield tunneling ( epbs ) is the most universal type, and it is very certain that the epbs method adopt to our country increasingly. the key factor to success in epbs is converting the muck which is lack of fluidity excavated from the cutter face to the plasticity soil. but when the shied tunneling machine advancing, it is considerably difficult to reach this requirement because of the ground soil condition, which is consist of stiff clay, silt, weathered rock, and so on
近些年來我國城市地鐵建設迅速發展，盾構施工法作為一種安全而又環保的施工方法得到了廣泛的使用，另外在黃浦過江隧道，西氣東輸的穿黃隧道等工程也在使用盾構隧道施工技術。這其中土壓平衡式盾構在我國的使用最為普遍，成為地鐵隧道施工技術的主流。土壓平衡式盾構施工成功的關鍵是要將開挖面切削下來的土體在壓力艙內調整成一種「塑性流動狀態」 。The afterflow represents a production of kinetic energy which becomes convered into a pressure wave when the outward flow of water is reversed.
殘余塑性流動代表在外向水流返回時動能變為壓力波的一種結果。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
在復雜變值荷載作用下，結構有可能出現兩種狀態：一種是在若干次載荷循環之後，塑性變形趨于穩定，在此後繼的載荷循環中結構表現為純彈性響應，這種狀態稱為安定狀態（ shakedown ） ；另一種則是塑性流動一直持續地發展或不斷反復，直至結構破壞，結構的破壞有兩種型式：一種是由塑性應變的累積引起的增量塑性破壞；一種是塑性變形多次反復引起的疲勞破壞，也稱為交變塑性破壞。The information along 3d maximum shear stress tracing line is completely ascertained with the method of parameter transformation, then the changing rule of the normal stress along 3d maximum shear stress tracing line is discussed based on cobevel method
摘要利用坐標變換法證明了一般三維塑性流動問題任意點應力狀態，可以完全由三維最大剪應力跡線上的信息確定，進而利用共斜面法給出了三維塑性流動問題沿最大剪應力跡線正應力的變化規律。Abstract : the information along 3d maximum shear stress tracing line is completely ascertained with the method of parameter transformation, then the changing rule of the normal stress along 3d maximum shear stress tracing line is discussed based on cobevel method
文摘:利用坐標變換法證明了一般三維塑性流動問題任意點應力狀態，可以完全由三維最大剪應力跡線上的信息確定，進而利用共斜面法給出了三維塑性流動問題沿最大剪應力跡線正應力的變化規律。Firstly, the effect of initially applied strain is that, when it rises, the fiber axial stress decreases, indicating less efficiency in the stress transfer across the interfaces
軸向最大應力的大幅度減少意味當基體的初始塑性流動增加時，基體的應力傳遞效率大幅度降低，需要增加纖維長度來完成應力傳遞。Through analysis and compare, the measure fitting for huxi bank was put forward. ( 3 ) introduced fast lagrangian analysis of continua. flac3d is a three - dimensional explicit finite - difference program. it can simulate the behavior of three - dimensional structures built or soil, rock or other material and can simulate plastic collapse, flow and large - strain accurately
（ 3 ）對三維快速拉格郎日有限差分法進行了介紹，三維快速拉格朗日法是一種基於三維顯式有限差分法的數值分析方法，它可以模擬巖石或土體及其它材料的三維力學行為，可以準確模擬材料的屈服、塑性流動、軟化直至大變形，尤其在材料的彈塑性分析、大變形分析以及模擬施工過程等領域有其獨到的優點。In this article, the reason how the friction produces in the process of metal forming was analyzed, and the friction was thought to be mainly caused by the plastic flow of metal in the pits of tool surface
本文從微觀入手對金屬壓力成型過程中摩擦的形成原因進行了分析，認為摩擦主要是由於被壓入工具表面凹坑金屬的塑性流動所引起的。As we know, when meeting these soils, many breakdown and danger will occur, such as the blockings, which has attracted attention of many construction personal on site. however, at present, there exist many unknown fields in blocking. firstly, the definition of blocking is not interpretative
但是，如果地層是粘粒含量較少的卵石層、砂土地層、風化巖地層，進入壓力艙的土體就很難形成這種「塑性流動狀態」 ，從而嚴重阻礙施工進程甚至造成施工事故，閉塞就是常見的一種施工障礙，已經引相關方面的重視。分享友人