擠塑理論 的英文怎麼說
中文拼音 [jǐsùlǐlún]
擠塑理論
英文
extrusion theory-
The comparison between experimental results and theoretical results show that to calculate the value of crushing hole in roller chain plate has practical significance
結果表明,用彈塑性有限變形理論和有限元方法計算出的鏈板最佳擠孔量具有工程實際上的可用性。Combining with characters of powder, the mechanic of powder plastic deformation, the strengthen cause of powder extrusion products, the effect of surface oxide and powder strengthen materials property and formability of powder extrusion products were introduced and discussed in this dissertation
論文結合粉末的特性,對粉末塑性成形的機理、粉末擠壓製品的強化機制、粉末表面氧化物及顆粒強化材料對粉末擠壓製品的性能和成形性的影響進行了述評。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。In this article, we introducte the advanced numerical, analysis method - finite element method and lucubrate the rigid - viscoplasticity basic theory for three - dimensional problem with the metal ' s specific feature of the warm extrusion forming process, the analytical procedure of metal ductility forming process and the rigid - viscoplasticity finite element method ' basic theory. the rigid - viscoplasticity ' s modle has been made and the rigid - viscoplasticity ' s modle finite element columnwise based on the lagrange facil method and overtension overtress has been deducted in this paper. at the same time, we have analytic studied the forming technique process for the sway oil pump stator
本論文採用先進的數值分析方法? ?有限元法,結合金屬在溫擠壓成形過程的具體特點,詳細論述了三維問題的剛粘塑性有限元法,介紹了金屬塑性成形過程的分析方法,以及剛-粘塑性有限元法的基本理論,建立了剛-粘塑性模形,推導了基於lagrange乘子法和過應力模形的剛粘塑性有限元列式,並對轉向油泵定子的成形工藝過程進行了研究分析。Abstract : the excess pore water pressure of saturated soft clay foundation caused by pile pushing is obvious. the method for calculating squeezing stress and excess pore pressure by elastic - plastic theory is deduced in this paper, and furthermore, the reasonable pile spacing by regarding the influence of both squeezing stress and excess water pressure is given
文摘:飽和軟粘土地基沉樁過程中樁土擠壓所引起的樁周土體超孔隙水壓力效應是非常顯的.本文從彈塑性理論出發推導出沉樁過程中樁周土體擠壓應力及超孔隙水壓力的計算公式,給出了考慮擠壓應力和超孔隙水壓力影響因素的合理打樁間距的確定方法Based on the shear theory of newtonian viscous liquid, the fusible damp coefficient is established for electromagnetism dynamic polymer extruder screw ' s axial vibration system
摘要對聚合物電磁動態塑化擠出機螺桿軸向振動系統,根據牛頓型粘性流體的剪切理論,確定了聚合物熔體的阻尼系統。The correctness was testified through experimentation, which verifies that it is an effective analyzing method for continuous extrusion industry application to estimate the load on the extrusion wheel and chamber
根據各分區的變形特點,利用塑性力學理論得出接觸應力的解析表達式,討論連續擠壓變形區接觸應力的分佈特點與規律。That is to say, there are differences in selecting the points which represent the average compactive effect of soil between piles. based on cavity expansion method, the stress change of soil between piles when sinking pile is studied with elasto - plasticity theory. the triaxial compression tests of undisturbed samples are carried our in laboratory
本文通過圓孔擴張理論,應用彈塑性理論對灰土擠密樁成孔過程中樁間土土體應力的變化進行了分析研究,通過試驗採取原狀土樣進行三軸試驗,用鄧肯-張模型建立土的本構關系,對樁間土的擠密進行理論分析,並通過現場干密度試驗,分析和研究樁間土的擠密效果。The process of penetration is regarded as expansion of cylindrical cavity in infinite soil mass. combining with the knowledge of elastic mechanics and plastic mechanics, we may make analysis for soil around pile. and we may deduce the cylindrical cavity pressure, radius of plastic zone, radical displacement in elastic zone, and excess pore water pressure in soil around pile and spherical cavity pressure at the end of pile
本文闡述了樁土共同作用理論原理,對坑式靜壓樁的樁周土體作彈塑性分析,把壓樁過程中樁周土體的本構關系看作是水平面的平面應變小孔擴張問題,利用小孔擴張原理,結合彈性力學以及塑性力學的知識,對壓樁後土體的性狀進行分析,得出樁對土的擠擴作用力、樁周土體塑性半徑、彈性區的位移,以及樁端球形孔擴張的擴張力。分享友人