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许多冲裁问题是符合或接近周期对称条件的 ,针对这一特点把分析和计算模型进行了简化。此方法可使这类问题用有限元模拟时的计算量大大减少 ,且可根据需要选择模型的对称边界的形状。
Many of the blanking problems are in line with or near the periodic symmetry conditions, and the analysis and calculation models are simplified for this feature. This method can greatly reduce the computational complexity of such problems with finite element simulation, and the shape of the symmetrical boundary of the model can be chosen as required.