Compared with the result from FEM and experimental data,the mean temperature from upper-bound principle is greater than the surface temperature measured on the rolling field and approaches the solution from FEM. It can represent the true temperature well.
通过比较理论解、有限元解和实测表面温度可知,上限原理求得的平均温度值大于表面温度实测值,而且接近于有限元解,能更准确地表示轧件温度。
参考来源 - 上限原理在重轨万能轧制过程平均温度计算中的应用·2,447,543篇论文数据，部分数据来源于NoteExpress
According to the upper-bound principle, the roll force of horizontal roll an.
最后根据上限原理分别求解了水平辊和两个立辊的轧制力上限解。
With upper bound method and least energy principle, the conditions are established of drawing and breaking workpiece with cross wedge rolling technique to form axial symmetry spare parts.
利用上限原理和最小能量原理，获得了用楔横轧工艺成形阶梯轴类件时杆部拉断的条件。
The paper forword a mathematical model of stream function for sinkings with no internal mandrel and applies the upper bound approach principle to make further deduction and calculation.
对无芯棒缩管提出了流函数的数学模型，应用上限原理加以推导和数值运算。
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