Files
simpeg/tests/mesh/test_operators.py
Rowan Cockett b8fe0cfdbf Separate tests into folders.
Build in a matrix?
2015-10-30 13:39:01 -07:00

484 lines
16 KiB
Python

import numpy as np
import unittest
from SimPEG.Tests import OrderTest
import matplotlib.pyplot as plt
#TODO: 'randomTensorMesh'
MESHTYPES = ['uniformTensorMesh', 'uniformCurv', 'rotateCurv']
call2 = lambda fun, xyz: fun(xyz[:, 0], xyz[:, 1])
call3 = lambda fun, xyz: fun(xyz[:, 0], xyz[:, 1], xyz[:, 2])
cart_row2 = lambda g, xfun, yfun: np.c_[call2(xfun, g), call2(yfun, g)]
cart_row3 = lambda g, xfun, yfun, zfun: np.c_[call3(xfun, g), call3(yfun, g), call3(zfun, g)]
cartF2 = lambda M, fx, fy: np.vstack((cart_row2(M.gridFx, fx, fy), cart_row2(M.gridFy, fx, fy)))
cartE2 = lambda M, ex, ey: np.vstack((cart_row2(M.gridEx, ex, ey), cart_row2(M.gridEy, ex, ey)))
cartF3 = lambda M, fx, fy, fz: np.vstack((cart_row3(M.gridFx, fx, fy, fz), cart_row3(M.gridFy, fx, fy, fz), cart_row3(M.gridFz, fx, fy, fz)))
cartE3 = lambda M, ex, ey, ez: np.vstack((cart_row3(M.gridEx, ex, ey, ez), cart_row3(M.gridEy, ex, ey, ez), cart_row3(M.gridEz, ex, ey, ez)))
class TestCurl(OrderTest):
name = "Curl"
meshTypes = MESHTYPES
def getError(self):
# fun: i (cos(y)) + j (cos(z)) + k (cos(x))
# sol: i (sin(z)) + j (sin(x)) + k (sin(y))
funX = lambda x, y, z: np.cos(2*np.pi*y)
funY = lambda x, y, z: np.cos(2*np.pi*z)
funZ = lambda x, y, z: np.cos(2*np.pi*x)
solX = lambda x, y, z: 2*np.pi*np.sin(2*np.pi*z)
solY = lambda x, y, z: 2*np.pi*np.sin(2*np.pi*x)
solZ = lambda x, y, z: 2*np.pi*np.sin(2*np.pi*y)
Ec = cartE3(self.M, funX, funY, funZ)
E = self.M.projectEdgeVector(Ec)
Fc = cartF3(self.M, solX, solY, solZ)
curlE_ana = self.M.projectFaceVector(Fc)
curlE = self.M.edgeCurl.dot(E)
if self._meshType == 'rotateCurv':
# Really it is the integration we should be caring about:
# So, let us look at the l2 norm.
err = np.linalg.norm(self.M.area*(curlE - curlE_ana), 2)
else:
err = np.linalg.norm((curlE - curlE_ana), np.inf)
return err
def test_order(self):
self.orderTest()
class TestCurl2D(OrderTest):
name = "Cell Grad 2D - Dirichlet"
meshTypes = ['uniformTensorMesh']
meshDimension = 2
meshSizes = [8, 16, 32, 64]
def getError(self):
#Test function
ex = lambda x, y: np.cos(y)
ey = lambda x, y: np.cos(x)
sol = lambda x, y: -np.sin(x)+np.sin(y)
sol_curl2d = call2(sol, self.M.gridCC)
Ec = cartE2(self.M, ex, ey)
sol_ana = self.M.edgeCurl*self.M.projectFaceVector(Ec)
err = np.linalg.norm((sol_curl2d-sol_ana), np.inf)
return err
def test_order(self):
self.orderTest()
class TestCellGrad1D_InhomogeneousDirichlet(OrderTest):
name = "Cell Grad 1D - Dirichlet"
meshTypes = ['uniformTensorMesh']
meshDimension = 1
expectedOrders = 1 # because of the averaging involved in the ghost point. u_b = (u_n + u_g)/2
meshSizes = [8, 16, 32, 64]
def getError(self):
#Test function
fx = lambda x: -2*np.pi*np.sin(2*np.pi*x)
sol = lambda x: np.cos(2*np.pi*x)
xc = sol(self.M.gridCC)
gradX_ana = fx(self.M.gridFx)
bc = np.array([1,1])
self.M.setCellGradBC('dirichlet')
gradX = self.M.cellGrad.dot(xc) + self.M.cellGradBC*bc
err = np.linalg.norm((gradX-gradX_ana), np.inf)
return err
def test_order(self):
self.orderTest()
class TestCellGrad2D_Dirichlet(OrderTest):
name = "Cell Grad 2D - Dirichlet"
meshTypes = ['uniformTensorMesh']
meshDimension = 2
meshSizes = [8, 16, 32, 64]
def getError(self):
#Test function
fx = lambda x, y: 2*np.pi*np.cos(2*np.pi*x)*np.sin(2*np.pi*y)
fy = lambda x, y: 2*np.pi*np.cos(2*np.pi*y)*np.sin(2*np.pi*x)
sol = lambda x, y: np.sin(2*np.pi*x)*np.sin(2*np.pi*y)
xc = call2(sol, self.M.gridCC)
Fc = cartF2(self.M, fx, fy)
gradX_ana = self.M.projectFaceVector(Fc)
self.M.setCellGradBC('dirichlet')
gradX = self.M.cellGrad.dot(xc)
err = np.linalg.norm((gradX-gradX_ana), np.inf)
return err
def test_order(self):
self.orderTest()
class TestCellGrad3D_Dirichlet(OrderTest):
name = "Cell Grad 3D - Dirichlet"
meshTypes = ['uniformTensorMesh']
meshDimension = 3
meshSizes = [8, 16, 32]
def getError(self):
#Test function
fx = lambda x, y, z: 2*np.pi*np.cos(2*np.pi*x)*np.sin(2*np.pi*y)*np.sin(2*np.pi*z)
fy = lambda x, y, z: 2*np.pi*np.sin(2*np.pi*x)*np.cos(2*np.pi*y)*np.sin(2*np.pi*z)
fz = lambda x, y, z: 2*np.pi*np.sin(2*np.pi*x)*np.sin(2*np.pi*y)*np.cos(2*np.pi*z)
sol = lambda x, y, z: np.sin(2*np.pi*x)*np.sin(2*np.pi*y)*np.sin(2*np.pi*z)
xc = call3(sol, self.M.gridCC)
Fc = cartF3(self.M, fx, fy, fz)
gradX_ana = self.M.projectFaceVector(Fc)
self.M.setCellGradBC('dirichlet')
gradX = self.M.cellGrad.dot(xc)
err = np.linalg.norm((gradX-gradX_ana), np.inf)
return err
def test_order(self):
self.orderTest()
class TestCellGrad2D_Neumann(OrderTest):
name = "Cell Grad 2D - Neumann"
meshTypes = ['uniformTensorMesh']
meshDimension = 2
meshSizes = [8, 16, 32, 64]
def getError(self):
#Test function
fx = lambda x, y: -2*np.pi*np.sin(2*np.pi*x)*np.cos(2*np.pi*y)
fy = lambda x, y: -2*np.pi*np.sin(2*np.pi*y)*np.cos(2*np.pi*x)
sol = lambda x, y: np.cos(2*np.pi*x)*np.cos(2*np.pi*y)
xc = call2(sol, self.M.gridCC)
Fc = cartF2(self.M, fx, fy)
gradX_ana = self.M.projectFaceVector(Fc)
self.M.setCellGradBC('neumann')
gradX = self.M.cellGrad.dot(xc)
err = np.linalg.norm((gradX-gradX_ana), np.inf)
return err
def test_order(self):
self.orderTest()
class TestCellGrad3D_Neumann(OrderTest):
name = "Cell Grad 3D - Neumann"
meshTypes = ['uniformTensorMesh']
meshDimension = 3
meshSizes = [8, 16, 32]
def getError(self):
#Test function
fx = lambda x, y, z: -2*np.pi*np.sin(2*np.pi*x)*np.cos(2*np.pi*y)*np.cos(2*np.pi*z)
fy = lambda x, y, z: -2*np.pi*np.cos(2*np.pi*x)*np.sin(2*np.pi*y)*np.cos(2*np.pi*z)
fz = lambda x, y, z: -2*np.pi*np.cos(2*np.pi*x)*np.cos(2*np.pi*y)*np.sin(2*np.pi*z)
sol = lambda x, y, z: np.cos(2*np.pi*x)*np.cos(2*np.pi*y)*np.cos(2*np.pi*z)
xc = call3(sol, self.M.gridCC)
Fc = cartF3(self.M, fx, fy, fz)
gradX_ana = self.M.projectFaceVector(Fc)
self.M.setCellGradBC('neumann')
gradX = self.M.cellGrad.dot(xc)
err = np.linalg.norm((gradX-gradX_ana), np.inf)
return err
def test_order(self):
self.orderTest()
class TestFaceDiv3D(OrderTest):
name = "Face Divergence 3D"
meshTypes = MESHTYPES
meshSizes = [8, 16, 32]
def getError(self):
#Test function
fx = lambda x, y, z: np.sin(2*np.pi*x)
fy = lambda x, y, z: np.sin(2*np.pi*y)
fz = lambda x, y, z: np.sin(2*np.pi*z)
sol = lambda x, y, z: (2*np.pi*np.cos(2*np.pi*x)+2*np.pi*np.cos(2*np.pi*y)+2*np.pi*np.cos(2*np.pi*z))
Fc = cartF3(self.M, fx, fy, fz)
F = self.M.projectFaceVector(Fc)
divF = self.M.faceDiv.dot(F)
divF_ana = call3(sol, self.M.gridCC)
if self._meshType == 'rotateCurv':
# Really it is the integration we should be caring about:
# So, let us look at the l2 norm.
err = np.linalg.norm(self.M.vol*(divF-divF_ana), 2)
else:
err = np.linalg.norm((divF-divF_ana), np.inf)
return err
def test_order(self):
self.orderTest()
class TestFaceDiv2D(OrderTest):
name = "Face Divergence 2D"
meshTypes = MESHTYPES
meshDimension = 2
meshSizes = [8, 16, 32, 64]
def getError(self):
#Test function
fx = lambda x, y: np.sin(2*np.pi*x)
fy = lambda x, y: np.sin(2*np.pi*y)
sol = lambda x, y: 2*np.pi*(np.cos(2*np.pi*x)+np.cos(2*np.pi*y))
Fc = cartF2(self.M, fx, fy)
F = self.M.projectFaceVector(Fc)
divF = self.M.faceDiv.dot(F)
divF_ana = call2(sol, self.M.gridCC)
err = np.linalg.norm((divF-divF_ana), np.inf)
return err
def test_order(self):
self.orderTest()
class TestNodalGrad(OrderTest):
name = "Nodal Gradient"
meshTypes = MESHTYPES
def getError(self):
#Test function
fun = lambda x, y, z: (np.cos(x)+np.cos(y)+np.cos(z))
# i (sin(x)) + j (sin(y)) + k (sin(z))
solX = lambda x, y, z: -np.sin(x)
solY = lambda x, y, z: -np.sin(y)
solZ = lambda x, y, z: -np.sin(z)
phi = call3(fun, self.M.gridN)
gradE = self.M.nodalGrad.dot(phi)
Ec = cartE3(self.M, solX, solY, solZ)
gradE_ana = self.M.projectEdgeVector(Ec)
err = np.linalg.norm((gradE-gradE_ana), np.inf)
return err
def test_order(self):
self.orderTest()
class TestNodalGrad2D(OrderTest):
name = "Nodal Gradient 2D"
meshTypes = MESHTYPES
meshDimension = 2
def getError(self):
#Test function
fun = lambda x, y: (np.cos(x)+np.cos(y))
# i (sin(x)) + j (sin(y)) + k (sin(z))
solX = lambda x, y: -np.sin(x)
solY = lambda x, y: -np.sin(y)
phi = call2(fun, self.M.gridN)
gradE = self.M.nodalGrad.dot(phi)
Ec = cartE2(self.M, solX, solY)
gradE_ana = self.M.projectEdgeVector(Ec)
err = np.linalg.norm((gradE-gradE_ana), np.inf)
return err
def test_order(self):
self.orderTest()
class TestAveraging2D(OrderTest):
name = "Averaging 2D"
meshTypes = MESHTYPES
meshDimension = 2
def getError(self):
num = self.getAve(self.M) * self.getHere(self.M)
err = np.linalg.norm((self.getThere(self.M)-num), np.inf)
return err
def test_orderN2CC(self):
self.name = "Averaging 2D: N2CC"
fun = lambda x, y: (np.cos(x)+np.sin(y))
self.getHere = lambda M: call2(fun, M.gridN)
self.getThere = lambda M: call2(fun, M.gridCC)
self.getAve = lambda M: M.aveN2CC
self.orderTest()
def test_orderN2F(self):
self.name = "Averaging 2D: N2F"
fun = lambda x, y: (np.cos(x)+np.sin(y))
self.getHere = lambda M: call2(fun, M.gridN)
self.getThere = lambda M: np.r_[call2(fun, M.gridFx), call2(fun, M.gridFy)]
self.getAve = lambda M: M.aveN2F
self.orderTest()
def test_orderN2E(self):
self.name = "Averaging 2D: N2E"
fun = lambda x, y: (np.cos(x)+np.sin(y))
self.getHere = lambda M: call2(fun, M.gridN)
self.getThere = lambda M: np.r_[call2(fun, M.gridEx), call2(fun, M.gridEy)]
self.getAve = lambda M: M.aveN2E
self.orderTest()
def test_orderF2CC(self):
self.name = "Averaging 2D: F2CC"
fun = lambda x, y: (np.cos(x)+np.sin(y))
self.getHere = lambda M: np.r_[call2(fun, M.gridFx), call2(fun, M.gridFy)]
self.getThere = lambda M: call2(fun, M.gridCC)
self.getAve = lambda M: M.aveF2CC
self.orderTest()
def test_orderF2CCV(self):
self.name = "Averaging 2D: F2CCV"
funX = lambda x, y: (np.cos(x)+np.sin(y))
funY = lambda x, y: (np.cos(y)*np.sin(x))
self.getHere = lambda M: np.r_[call2(funX, M.gridFx), call2(funY, M.gridFy)]
self.getThere = lambda M: np.r_[call2(funX, M.gridCC), call2(funY, M.gridCC)]
self.getAve = lambda M: M.aveF2CCV
self.orderTest()
def test_orderCC2F(self):
self.name = "Averaging 2D: CC2F"
fun = lambda x, y: (np.cos(x)+np.sin(y))
self.getHere = lambda M: call2(fun, M.gridCC)
self.getThere = lambda M: np.r_[call2(fun, M.gridFx), call2(fun, M.gridFy)]
self.getAve = lambda M: M.aveCC2F
self.expectedOrders = 1
self.orderTest()
self.expectedOrders = 2
def test_orderE2CC(self):
self.name = "Averaging 2D: E2CC"
fun = lambda x, y: (np.cos(x)+np.sin(y))
self.getHere = lambda M: np.r_[call2(fun, M.gridEx), call2(fun, M.gridEy)]
self.getThere = lambda M: call2(fun, M.gridCC)
self.getAve = lambda M: M.aveE2CC
self.orderTest()
def test_orderE2CCV(self):
self.name = "Averaging 2D: E2CCV"
funX = lambda x, y: (np.cos(x)+np.sin(y))
funY = lambda x, y: (np.cos(y)*np.sin(x))
self.getHere = lambda M: np.r_[call2(funX, M.gridEx), call2(funY, M.gridEy)]
self.getThere = lambda M: np.r_[call2(funX, M.gridCC), call2(funY, M.gridCC)]
self.getAve = lambda M: M.aveE2CCV
self.orderTest()
class TestAveraging3D(OrderTest):
name = "Averaging 3D"
meshTypes = MESHTYPES
meshDimension = 3
def getError(self):
num = self.getAve(self.M) * self.getHere(self.M)
err = np.linalg.norm((self.getThere(self.M)-num), np.inf)
return err
def test_orderN2CC(self):
self.name = "Averaging 3D: N2CC"
fun = lambda x, y, z: (np.cos(x)+np.sin(y)+np.exp(z))
self.getHere = lambda M: call3(fun, M.gridN)
self.getThere = lambda M: call3(fun, M.gridCC)
self.getAve = lambda M: M.aveN2CC
self.orderTest()
def test_orderN2F(self):
self.name = "Averaging 3D: N2F"
fun = lambda x, y, z: (np.cos(x)+np.sin(y)+np.exp(z))
self.getHere = lambda M: call3(fun, M.gridN)
self.getThere = lambda M: np.r_[call3(fun, M.gridFx), call3(fun, M.gridFy), call3(fun, M.gridFz)]
self.getAve = lambda M: M.aveN2F
self.orderTest()
def test_orderN2E(self):
self.name = "Averaging 3D: N2E"
fun = lambda x, y, z: (np.cos(x)+np.sin(y)+np.exp(z))
self.getHere = lambda M: call3(fun, M.gridN)
self.getThere = lambda M: np.r_[call3(fun, M.gridEx), call3(fun, M.gridEy), call3(fun, M.gridEz)]
self.getAve = lambda M: M.aveN2E
self.orderTest()
def test_orderF2CC(self):
self.name = "Averaging 3D: F2CC"
fun = lambda x, y, z: (np.cos(x)+np.sin(y)+np.exp(z))
self.getHere = lambda M: np.r_[call3(fun, M.gridFx), call3(fun, M.gridFy), call3(fun, M.gridFz)]
self.getThere = lambda M: call3(fun, M.gridCC)
self.getAve = lambda M: M.aveF2CC
self.orderTest()
def test_orderF2CCV(self):
self.name = "Averaging 3D: F2CCV"
funX = lambda x, y, z: (np.cos(x)+np.sin(y)+np.exp(z))
funY = lambda x, y, z: (np.cos(x)+np.sin(y)*np.exp(z))
funZ = lambda x, y, z: (np.cos(x)*np.sin(y)+np.exp(z))
self.getHere = lambda M: np.r_[call3(funX, M.gridFx), call3(funY, M.gridFy), call3(funZ, M.gridFz)]
self.getThere = lambda M: np.r_[call3(funX, M.gridCC), call3(funY, M.gridCC), call3(funZ, M.gridCC)]
self.getAve = lambda M: M.aveF2CCV
self.orderTest()
def test_orderE2CC(self):
self.name = "Averaging 3D: E2CC"
fun = lambda x, y, z: (np.cos(x)+np.sin(y)+np.exp(z))
self.getHere = lambda M: np.r_[call3(fun, M.gridEx), call3(fun, M.gridEy), call3(fun, M.gridEz)]
self.getThere = lambda M: call3(fun, M.gridCC)
self.getAve = lambda M: M.aveE2CC
self.orderTest()
def test_orderE2CCV(self):
self.name = "Averaging 3D: E2CCV"
funX = lambda x, y, z: (np.cos(x)+np.sin(y)+np.exp(z))
funY = lambda x, y, z: (np.cos(x)+np.sin(y)*np.exp(z))
funZ = lambda x, y, z: (np.cos(x)*np.sin(y)+np.exp(z))
self.getHere = lambda M: np.r_[call3(funX, M.gridEx), call3(funY, M.gridEy), call3(funZ, M.gridEz)]
self.getThere = lambda M: np.r_[call3(funX, M.gridCC), call3(funY, M.gridCC), call3(funZ, M.gridCC)]
self.getAve = lambda M: M.aveE2CCV
self.orderTest()
def test_orderCC2F(self):
self.name = "Averaging 3D: CC2F"
fun = lambda x, y, z: (np.cos(x)+np.sin(y)+np.exp(z))
self.getHere = lambda M: call3(fun, M.gridCC)
self.getThere = lambda M: np.r_[call3(fun, M.gridFx), call3(fun, M.gridFy), call3(fun, M.gridFz)]
self.getAve = lambda M: M.aveCC2F
self.expectedOrders = 1
self.orderTest()
self.expectedOrders = 2
if __name__ == '__main__':
unittest.main()