First implementation of Non-Analogue Scheme using volume weighting. The

scheme to use is chosen in the input file. Additional schemes could be
added easily.

runs/cylFlow/input.json

@@ -11,7 +11,7 @@
     "meshFile": "mesh.msh"
   },
   "species": [
-    {"name": "Argon",  "type": "neutral", "mass": 6.633e-26, "weight": 5.0e7}
+    {"name": "Argon",  "type": "neutral", "mass": 6.633e-26, "weight": 5.0e8}
   ],
   "boundary": [ 
     {"name": "Injection",       "type": "absorption", "physicalSurface": 1},
@@ -32,7 +32,8 @@
   "case": {
     "tau":  [6.0e-7],
     "time":  3.0e-3,
-    "pusher": ["2DCylNeutral"]
+    "pusher": ["2DCylNeutral"],
+    "NAScheme": "Volume"
   },
   "interactions": {
     "folderCollisions": "./data/collisions/",