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中文摘要：
当非线性弹性杆承受平向拉、压突加载荷时产生几何弥散效应后,杆中可能形成应变孤波.本文对该问题的数学模型进行分析,利用Galerkin逼近方法结合能量估计得到了该应变孤波存在的充分条件,并且证得应变孤波解是唯一的,且连续依赖于初始值.改进了已有的结果.
英文摘要：
This paper analyzed the mathematical model of the strain solitary waves, which were possibly formed after the Geometry dispersion effect was produced when the nonlinear elastic rod was loaded with sudden bearing pulling or pressing. We have obtained the sufficient conditions for the existence of the strain solitary waves by means of Galerkin methods and energy estimation. And we have proved that the strain solitary waves depend on the original value uniquely and continuously, which improves the existing results.
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