弹性动力学中一类极限系统的黎曼问题
Riemann Problem for a limiting system in elastodynamics
摘要：
本文讨论了具有抛物退化的2 × 2非保守系统的黎曼问题的解。该系统可以被视为在弹性动力学模型的背景下产生的2x2严格双曲、真正非线性、非保守系统的极限方程（取决于趋于0的参数）。
英文摘要：
In this article, we discuss about the resolution of the Riemann problem for a 2x2 system in nonconservative form exhibiting parabolic degeneracy. The system can be perceived as the limiting equation (depending on a parameter tending to 0) of a 2x2 strictly hyperbolic, genuinely nonlinear, non-conservative system arising in context of a model in elastodynamics.
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