该文利用分形几何的方法对挤压膨化大米的应力-应变曲线进行了定量分析。
In this paper, fractal geometry isu sed to quantitatively analyze the stress-strain curves of extruded rice.
应用上限元方法分析了可压缩材料平面应变挤压问题，并与致密材料进行了比较。
The extrusion of compressible material in plane strain is analysed in use of UBET and compared to fully dense material.
用流函数法确定了宽截面薄壁铝型材挤压变形动可容速度场、应变速率场及上限功率。
The flow function method is used to build the kinematically admissible velocity field, the strain rate field and the upper bound deformation power of wide section Aluminum shape extrusion.
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