文章突破传统的梁理论法，应用材料非线性有限条法对平面壳条的弹塑性问题进行分析。
This paper deals with the elastoplastic problems of the flat shell strip using material nonlinear finite strip method instead of the traditional solution of Beam Theory.
作为弹塑性求解问题的简化方法，极限分析比传统的弹塑性增量计算效率更高、更实用。
As a simplified method for elastoplastic analysis, limit analysis method is more efficient and practical than the traditional increment method.
通过与传统的黏塑性和改进的黏塑性模型结果的对比分析，进一步验证了黏弹塑性模型在中小尺度海冰动力学模拟中的可靠性。
The new constitutive model is further applied to simulating ice dynamics of the Bohai Sea and compared with the traditional VP, and modified VP models.
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