The kinematically admissible velocity fields of the web, head and base of rail are determined, respectively, and the corresponding strain rate fields and the intensity of shear strain rate are also obtained. Then the plastic deformation power, the friction powers and the powers consumed on the velocity discontinuity surface are obtained.

然后分別給出了軌腰a级黄色片免费观看、軌頭及軌底的運(yùn)動(dòng)學(xué)許可速度場(chǎng)以及相應(yīng)的應(yīng)變速度場(chǎng)和剪應(yīng)變速度強(qiáng)度亚洲欧美有码中文字幕，并求出了相應(yīng)變形區(qū)的塑性變形功率免费在线观看视频被多人操、速度間斷面上消耗的功率以及由于摩擦產(chǎn)生的摩擦功率爽爽爽无码a片在线观看。

Aiming at the special deformation mechanism during the with tension rolling of H beam in universal pass, a three-dimensional continuous kinematically admissible velocity field is put forward for the first time, in which, the non-uniform distribution of longitudinal velocity in lateral direction and the special deformation mechanism of the web and flange joint deformation zone are taken into consideration.

針對(duì)H型鋼在萬(wàn)能孔型中帶張力軋制時(shí)特殊的變形機(jī)理，首次提出了考慮金屬橫向流動(dòng)的三維黄色片区、連續(xù)運(yùn)動(dòng)學(xué)許可速度場(chǎng)免费黄色视频不用下载在线观看；速度場(chǎng)中考慮了縱向流動(dòng)速度沿橫向的不均勻分布以及腹板和翼緣交界變形區(qū)的特殊變形狀態(tài)。

An extrusion flow model of aluminum alloy cylinder is built by the upper-bound method,and the kinematically admissible velocity field,the strain rate field and the upper-bound deformation power are deduced with five different die container s.

應(yīng)用上限法建立鋁合金圓棒料擠壓成形的流動(dòng)模型精品无码一级毛片，推導(dǎo)了坯料在5種不同型腔曲線下變形時(shí)的動(dòng)可容速度場(chǎng)少妇人妻无码专区免费视频、應(yīng)變速率場(chǎng)及上限功率的表達(dá)式奥美黑人一级黄色A片。

admissible deformation：容許形變

admissible decision rule 容許判決函數(shù) | admissible deformation 容許形變 | admissible domain 容許區(qū)域