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两种改进的、基于物理知识的神经网络,用于求解Burgers方程
Burgers方程粘性趋近于零及无粘情况下的数值求解,提出时间分段与WENO指示器两种改进PINNs方法,通过对比验证其精度和稳定性优势。 Burgers方程是Navier-Stokes方程的简化数学模型,在计算流体动力学(CFD)中经常被讨论。Burgers方程是一个非线性对流-扩散方程,其 ...
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