refactor(sphere.msh): increased base resolution of spherical mesh

utils/meshGeneration/generateMesh.py

@@ -6,7 +6,7 @@ import argparse
 def generate_spherical_mesh(radius=1, meshSize=0.1):
     with pygmsh.geo.Geometry() as geo:
         # Create a spherical (ball) geometry centered at (0,0,0)
-        sphere = geo.add_ball([0, 0, 0], radius)
+        sphere = geo.add_ball([0, 0, 0], radius, mesh_size=0.1)
         # Generate a 2D mesh (i.e. surface mesh) of the sphere
         myMesh = geo.generate_mesh(dim=3)
     return myMesh