采用大变形刚塑性有限元法模拟超塑性材料轴对称锥形模约束胀形过程。
The constrained superplastic bulging process is investigated by a large rigid-plastic finite element method.
详细阐述了刚塑性有限元法的原理，以及罚函数法数学模型的推导及应用技术。
It also introduced the basic principle and mathematical pattern as well as application technique of Rigid Plastic Element Method.
它耦合了三维刚塑性有限元法，弹性有限元法和计算辊系变形的影响函数方法。
Three-dimensional rigid-plastic finite elements, elastic finite elements and influential function method for the analysis of deformation of rolls system are combined.
本文采用刚塑性有限元法分析圆环压缩，并与上限法分析和试验结果进行比较。
In this paper, the rigid plastic finite element method is applied to analyze ring compression and the results are compared with those of the upper-bound method and experiments.
采用三维刚塑性有限元法对四种径向精锻变形道次的变形分布进行了数值模拟计算；
The strain distributions of four kinds of radial forging processes have been simulated by rigid-plastic FEM.
应用韧性损伤力学模型以及刚塑性有限元法，分析了金属板材剪切断面变形的过程。
Ductile damage mechanics model and rigid finite element method was adopted to simulate the sheet metal shearing process.
为验证新模型，完成了棒材轧制试验，并且利用刚塑性有限元法对轧制过程进行了模拟。
The validity of the new model has been examined by the bar rolling experiment and the rigid-plastic FEM simulation.
为了验证新模型，进行了棒材轧制试验并且利用三维刚塑性有限元法对轧制过程进行了模拟。
The validity of the new model was examined by the bar rolling experiment and the 3D rigid-plastic FEM simulation.
采用刚塑性有限元法研究了多轴压缩过程中的坯料变形行为、等效应变大小、分布以及损伤值。
The billet deformation behavior, the magnitude and distribution of effective strain and damage value were investigated by rigid-plastic finite element method during multi-axial compressions.
有限元计算结果与实验结果的比较，证明了采用刚塑性有限元法研究螺旋伞齿轮闭塞挤压工艺是可行的，将在复杂零件的塑性成形工艺的研究中起到指导作用。
By comparison with experimental results, it would be proved that FE simulation is available and will provide guideline for deformation process of complex forging parts.
针对粉末多孔材料，采用体积可压缩刚粘塑性热力耦合有限元法对其等径角挤压过程进行模拟分析。
The densification and deformation behavior of porous materials during the ECAP process were investigated by (thermo -) mechanical coupling finite element method.
论述了刚（粘）塑性有限元法的主要思想和处理方法。基于前期的本构模型，得出了刚（粘）塑性有限元法的求解列式。并对有限元数值模拟的发展前景作了预测。
Based on a former constitutive model, the calculation formulas for rigid-(visco) plasticity FEM were worked out, and an overview on the development of FEM numerical simulation was made.
论述了刚（粘）塑性有限元法的主要思想和处理方法。基于前期的本构模型，得出了刚（粘）塑性有限元法的求解列式。并对有限元数值模拟的发展前景作了预测。
Based on a former constitutive model, the calculation formulas for rigid-(visco) plasticity FEM were worked out, and an overview on the development of FEM numerical simulation was made.
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