The electric field from a triangular element is incorrect. Issue with

directional derivative depending on the definition of first node. Trying
to solve it with searching for the right first node but it is very
difficult. A solution is required to allow triangular meshes in charged
simulations.

runs/cylFlow/input.json

@@ -8,7 +8,7 @@
   "geometry": {
     "type":     "2DCyl",
     "meshType": "gmsh",
-    "meshFile": "mesh.msh"
+    "meshFile": "meshTria.msh"
   },
   "species": [
     {"name": "Argon",  "type": "neutral", "mass": 6.633e-26, "weight": 5.0e7}
@@ -42,7 +42,7 @@
   },
   "parallel": {
     "OpenMP":{
-      "nThreads": 24
+      "nThreads": 8
     }
   }
 }