英德
有道
百度
谷歌
图片
维基
百科
塑性流动理论
flow theory of plasticity
- 摘要本文针对亟待实现的挤压（拔制）异型材模具精密快速加工设计理论课题，借助于近代共形映射理论研究成果，求解了异型材挤压（拔制）模具相似成形塑性流动的数学模型，建立了圆角方型材精密挤压（拔制）模具模腔数学模型及其优化函数方程，建立了为实现模腔精密快速的CAD/CAM一体化的理论模型。
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. - 摘要针对非牛顿流体的稳定性问题及其流态判别的研究，将整体稳定性理论及局部稳定性理论应用于塑性流体和幂律流体在同心环空的流动中，建立和推导出相对应的判别流动状态的稳定性参数表达式。
In order to study the stability of non-Newtonian fluid and its flow pattern discrimination method, the integral stability theory and local stability theory are applied to the concentric annulus flowing of plastic fluid and power-law fluid, then a relevant stability parameter expression of discriminating flow pattern is derived and set up in the paper. - 摘要应用DEFORM软件对矿用转向节的预成型过程进行模拟，得到金属塑性变形过程的金属流动、应力应变和变形力等规律，这对模具变形力分析，预测出可能的缺陷及失效形式提供理论指导。
In this papery the forging process of steering joint specialized in mining is conducted by using DEFORM software, the flowing rule, stress and strain distribution rule and deforming force etc in metal plastic deformation have been abtained, it isuseful to model design and flaw prertection in actual work.
 |
 |
 |
 |
 |
 |
 |
中国词汇量第二的英语词典
更多精彩，登录后发现......
