Noh-problem-in-2D.md

+# GADGET-2
+![gadget2_Noh_2D_12_2D](/uploads/064b0fa73f3624339ed090b73ca64c5e/gadget2_Noh_2D_12_2D.png)
+
+# Pressure-Entropy
+![hopkins_Noh_2D_12_2D](/uploads/36c725b13ed6ad2bc831c02235a009ad/hopkins_Noh_2D_12_2D.png)
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