A Second-order Modified Ghost Fluid Method (2nd-MGFM) with Discontinuous Galerkin Method for 1-D compressible Multi-medium Problem with Cylindrical and Spherical Symmetry. - Zhang, Xiaotao; Liu, Tiegang; Yu, Changsheng; Feng, Chengliang; Zeng, Zhiqiang; Wang, Kun (J. Sci. Comput., 2022)