working model in 1D with only density

basic_model_only_density/parameters.json

+{
+    "resolution" : 100,
+    "system_size" : 1,
+    "elasticity" : 1.0,
+    "viscosity" : 1.0,
+    "zero_rho_boundary": false,
+    "friction" : 1.0,
+    "lamda": -5.0,
+    "diffusion_rho" : 1.0,
+    "turnover_rho" : 2.0,
+    "average_rho" : 1.0,
+    "saturation_rho" : 1.0,
+    "noise_level": 0.0,
+    "timestep" : 0.01,
+    "savetime": 0.1,
+    "maxtime" : 10.0
+}
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