updated where cell centers are and how I count the first h in 2D case

This commit is contained in:
rowanc1
2014-02-21 11:04:00 -08:00
parent 624a2153f8
commit ba52e16bea
2 changed files with 9 additions and 7 deletions
+4 -2
View File
@@ -116,7 +116,7 @@ class CylMesh(BaseTensorMesh):
def vectorCCx(self):
"""Cell-centered grid vector (1D) in the x direction."""
if self.nCy == 1:
return np.r_[0, self.hx[:-1].cumsum()] + self.hx*0.5 - self.hx[0]/2
return np.r_[-self.hx[0]*0.5, self.hx[:-1].cumsum()] + self.hx*0.5 # - self.hx[0]/2
return np.r_[0, self.hx[:-1].cumsum()] + self.hx*0.5
@property
@@ -128,12 +128,14 @@ class CylMesh(BaseTensorMesh):
def vectorNx(self):
"""Nodal grid vector (1D) in the x direction."""
if self.nCy == 1:
return self.hx.cumsum() - self.hx[0]/2
return self.hx.cumsum()# - self.hx[0]/2
return np.r_[0, self.hx].cumsum()
@property
def vectorNy(self):
"""Nodal grid vector (1D) in the y direction."""
if self.nCy == 1:
return np.r_[0]
return np.r_[0, self.hy[:-1].cumsum()] + self.hy[0]*0.5
+5 -5
View File
@@ -45,7 +45,7 @@ class TestCyl2DMesh(unittest.TestCase):
self.assertTrue(np.all(self.mesh.vnE == [0, 9, 0]))
def test_vectorsCC(self):
v = np.r_[0, 1, 1.75]
v = np.r_[0, 1.5, 2.25]
self.assertTrue(np.linalg.norm((v-self.mesh.vectorCCx)) == 0)
v = np.r_[0]
self.assertTrue(np.linalg.norm((v-self.mesh.vectorCCy)) == 0)
@@ -53,18 +53,18 @@ class TestCyl2DMesh(unittest.TestCase):
self.assertTrue(np.linalg.norm((v-self.mesh.vectorCCz)) == 0)
def test_vectorsN(self):
v = np.r_[0.5, 1.5, 2]
v = np.r_[1, 2, 2.5]
self.assertTrue(np.linalg.norm((v-self.mesh.vectorNx)) == 0)
v = np.r_[np.pi] #This is kinda a fake. But it is where it would be if there was a radial connection
v = np.r_[0]
self.assertTrue(np.linalg.norm((v-self.mesh.vectorNy)) == 0)
v = np.r_[0, 2, 3.]
self.assertTrue(np.linalg.norm((v-self.mesh.vectorNz)) == 0)
def test_dimensions(self):
edge = np.r_[0.5, 1.5, 2, 0.5, 1.5, 2, 0.5, 1.5, 2] * 2 * np.pi
edge = np.r_[1, 2, 2.5, 1, 2, 2.5, 1, 2, 2.5] * 2 * np.pi
self.assertTrue(np.linalg.norm((edge-self.mesh.edge)) == 0)
r = np.r_[0, 0.5, 1.5, 2]
r = np.r_[0, 1, 2, 2.5]
a = r[1:]*2*np.pi
areaX = np.r_[2*a,a]
a = (r[1:]**2 - r[:-1]**2)*np.pi