Files
simpeg/SimPEG/tests/test_operators.py
T

153 lines
4.2 KiB
Python

import numpy as np
import unittest
import sys
sys.path.append('../')
from OrderTest import OrderTest
MESHTYPES = ['uniformTensorMesh', 'uniformLOM', 'rotateLOM']
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(y)
funY = lambda x, y, z: np.cos(z)
funZ = lambda x, y, z: np.cos(x)
solX = lambda x, y, z: np.sin(z)
solY = lambda x, y, z: np.sin(x)
solZ = lambda x, y, z: np.sin(y)
Ec = cartE3(self.M, funX, funY, funZ)
E = self.M.projectEdgeVector(Ec)
Fc = cartF3(self.M, solX, solY, solZ)
curlE_anal = self.M.projectFaceVector(Fc)
# Generate DIV matrix
curlE = self.M.edgeCurl.dot(E)
err = np.linalg.norm((curlE - curlE_anal), np.inf)
return err
def test_order(self):
self.orderTest()
class TestFaceDiv(OrderTest):
name = "Face Divergence"
meshTypes = MESHTYPES
def getError(self):
#Test function
fx = lambda x, y, z: np.sin(x)
fy = lambda x, y, z: np.sin(y)
fz = lambda x, y, z: np.sin(z)
sol = lambda x, y, z: (np.cos(x)+np.cos(y)+np.cos(z))
Fc = cartF3(self.M, fx, fy, fz)
F = self.M.projectFaceVector(Fc)
divF = self.M.faceDiv.dot(F)
divF_anal = call3(sol, self.M.gridCC)
err = np.linalg.norm((divF-divF_anal), np.inf)
return err
def test_order(self):
self.orderTest()
class TestFaceDiv2D(OrderTest):
name = "Face Divergence 2D"
meshTypes = MESHTYPES
meshDimension = 2
def getError(self):
#Test function
fx = lambda x, y: np.sin(x)
fy = lambda x, y: np.sin(y)
sol = lambda x, y: (np.cos(x)+np.cos(y))
Fc = cartF2(self.M, fx, fy)
F = self.M.projectFaceVector(Fc)
divF = self.M.faceDiv.dot(F)
divF_anal = call2(sol, self.M.gridCC)
err = np.linalg.norm((divF-divF_anal), 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_anal = self.M.projectEdgeVector(Ec)
err = np.linalg.norm((gradE-gradE_anal), 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_anal = self.M.projectEdgeVector(Ec)
err = np.linalg.norm((gradE-gradE_anal), np.inf)
return err
def test_order(self):
self.orderTest()
if __name__ == '__main__':
unittest.main()