1) continuous velocity field
连续速度场
1.
A kinematically admissible continuous velocity field to the plane strain extru sion is established in cartesian coordinates, and an upper - bound analytical solution is thus obtained in this paper.
本文采用直角坐标系建立了平面变形挤压问题的运动学许可连续速度场并获得了该问题的上解析限解。
2.
A kinematically admissible continuous velocity field is established and applied to the plane strain in reversible extrusion.
对平面变形的正反向挤压问题建立运动许可的连续速度场并获得上界解析解。
3.
A kinematically admissible continuous velocity field is established and applied to the plane strain due to drawing, and the upper-bound analytical solution is obtained.
与Avitzur以柱坐标系的连续速度场得到的上限解相对比,当压下率ε<70%时,本文解法可得到更低的上限值。
2) continuous function velocity field
连续函数速度场
3) continuous velocity
连续速度
1.
Currently developed nonhyperbolic time-distance equations are mainly based on horizontally layered isotropic model,weakly anisotropic model,velocity varying with offset model,linear continuous velocity model respectiv.
目前发展的反射波非双曲时距方程,主要有基于层状各向同性模型的非双曲时距方程、基于均匀弱各向异性模型的时距方程、基于速度随炮检距变化模型的时距方程、基于线性连续速度模型的时距方程。
5) unstable continuity velocity field
非稳态连续速度场
1.
Through analysis of its forming characteristic, unstable continuity velocity field is established.
给出了深小锥孔件开式冷挤压成形时极限变形程度的定义,通过对深小锥孔开式冷挤压成形时的变形分析,建立了变形区非稳态连续速度场,利用上限原理得到了极限变形程度的理论判据。
2.
, unstable continuity velocity field is established.
通过分析深小锥孔开式冷挤压成形特点 ,描述了其成形极限 ,建立了变形区非稳态连续速度场 ;利用上限原理得到了成形极限的理论模型。
3.
In the paper, the forming limit was depicted by analysis of the deep tine taper hole formed by open-die extrusion, and meanwhile unstable continuity velocity field was established.
建立了变形区非稳态连续速度场;利用上限原理得到了成形极限的理论判据。
6) continuous temperature field
连续温度场
补充资料:速度滑冰场
速度滑冰场
冰上运动场地。是由两条直道连接两条半圆弯道组成的封闭式跑道。最大周长400m,最小周长3331/3m,两条跑道的内半径25-26m。每条跑道宽4-5m,在一侧直道的末端设置终点,另一侧直道上设置换道区。周长400m、内弯道半径25m、跑道宽5m的速滑跑道,直道长223.96m,内弯道长80.11m,外弯道长95.82m,换道区相差0.16m。周长400m、内弯道半径26m、跑道宽4m的速滑跑道,直道长220.86m,内弯道长83.25m,外弯道长95.82m,换道区相差0.07m。周长3331/3m、内弯道半径25m、跑道宽5m的速滑跑道,直道长157.24m,内弯道长80.11m,外弯道长95.82m,换道区相差0.16m。周长3331/3m、内弯道半径26m、跑道宽4m的速滑跑道,直道长154.16m,内弯道长83.25m,外弯道长95.82m,换道区相差0.lm。跑道的分界线要用整齐的雪线画出,并一直延伸至换道区。雪线要保证不冻结在冰面上。如无雪,可用宽5cm,长10cm,高不超过5cm的橡皮块、木块或其它合适的物块涂上协调颜色,按规定距离摆好,代替雪线。在弯道前、后15m内,橡皮块之间距离为0.5m,弯道中间橡皮块间距为lm,直道上橡皮块间距10m。终点线为红色,预备起跑线为红色虚线,其它各线均为蓝色,线宽5cm。起、终点线均与直道线或有道延长线垂直。预备起跑线距起跑线为lm。终点线后5m处,每隔lm标出一条清晰的色线。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条