def calculate_representative_cell_size(dataFolder):
"""
Calculate the average cell size by loading in the flow solution,
and summing up the volume/area of each cell. This method is not
very efficient (computationally).
"""
fileList = glob.glob(dataFolder+"/flow/t0001/*.gz")
GridFlowData = []
blk_volume = []
blk_cells = []
for f in fileList:
f1 = gzip.open(f,"r")
GridFlowData.append(StructuredGridFlow())
GridFlowData[-1].read(f1)
blk_volume.append( sum(sum(GridFlowData[-1].data['volume'][:,:,:])) )
blk_cells.append( GridFlowData[-1].ni * GridFlowData[-1].nj )
f1.close()
total_volume = sum(blk_volume)
total_cells = sum(blk_cells)
if dataFolder in ['case00_fine']:
print "total_cells=",total_cells
print "total_volume=",total_volume
h = np.sqrt( total_volume/float(total_cells) )
return h
def locate_shock_front(stageName, nbi, nbj):
"""
Reads all flow blocks and returns the coordinates
of the shock front, searching along the stagnation line.
"""
blockData = []
for ib in range(nbi):
blockData.append([])
for jb in range(nbj):
blkindx = ib * nbj + jb
fileName = 'flow/t0001/%s.flow.b%04d.t0001.gz' \
% (stageName, blkindx)
fp = gzip.open(fileName, "r")
blk = StructuredGridFlow()
blk.read(fp)
blockData[ib].append(blk)
fp.close()
jb = 0
nj = blockData[0][jb].nj
j = 0
x = []
y = []
p = []
for ib in range(nbi):
ni = blockData[ib][jb].ni
k = 0 # 2D only
for i in range(ni):
x.append(blockData[ib][jb].data['pos.x'][i, j, k])
y.append(blockData[ib][jb].data['pos.y'][i, j, k])
p.append(blockData[ib][jb].data['p'][i, j, k])
return locate_shock_along_strip(x, y, p)
def locate_shock_front(stageName, nbi, nbj):
"""
Reads all flow blocks and returns the coordinates
of the shock front in lists of coordinates.
"""
blockData = []
for ib in range(nbi):
blockData.append([])
for jb in range(nbj):
blkindx = ib*nbj + jb
fileName = 'flow/t0005/%s.flow.b%04d.t0005.gz' \
% (stageName, blkindx)
fp = gzip.open(fileName, "r")
blockData[ib].append(StructuredGridFlow())
blockData[ib][-1].read(fp)
fp.close()
x_shock = []; y_shock = []
for jb in range(nbj):
nj = blockData[0][jb].nj
for j in range(nj):
x = []; y = []; p = [];
for ib in range(nbi):
ni = blockData[ib][jb].ni
k = 0 # 2D only
for i in range(ni):
x.append(blockData[ib][jb].data['pos.x'][i,j,k])
y.append(blockData[ib][jb].data['pos.y'][i,j,k])
p.append(blockData[ib][jb].data['p'][i,j,k])
xshock, yshock = locate_shock_along_strip(x, y, p)
x_shock.append(xshock)
y_shock.append(yshock)
return x_shock, y_shock
def locate_shock_front(jobName, tindx, nbi, nbj):
"""
Reads flow blocks and returns the coordinates of the shock front.
Input:
jobName: string name used to construct file names
tindx: specify the particular solution frame
nbi: number of blocks in the i-index direction
nbj: number of blocks in the j-index direction
It is assumed that the shock front will be located by scanning
along the i-index direction, with j being constant for each search.
This function taken from the example 2D/sphere-heat-transfer
and has been adapted to the 3D simple_ramp case which has
the interesting stuff happening in in the x,z-plane.
"""
blockData = []
for ib in range(nbi):
blockData.append([])
for jb in range(nbj):
blkindx = ib * nbj + jb
fileName = 'flow/t%04d/%s.flow.b%04d.t%04d.gz' % \
(tindx, jobName, blkindx, tindx)
fp = gzip.open(fileName, "r")
blockData[ib].append(StructuredGridFlow())
blockData[ib][-1].read(fp)
fp.close()
x_shock = []
z_shock = []
for jb in range(nbj):
nj = blockData[0][jb].nj
nk = blockData[0][jb].nk
for j in range(nj):
for k in range(nk):
x = []
z = []
p = []
for ib in range(nbi):
ni = blockData[ib][jb].ni
for i in range(ni):
x.append(blockData[ib][jb].data['pos.x'][i, j, k])
z.append(blockData[ib][jb].data['pos.z'][i, j, k])
p.append(blockData[ib][jb].data['p'][i, j, k])
xshock, zshock = locate_shock_along_strip(x, z, p)
x_shock.append(xshock)
z_shock.append(zshock)
return x_shock, z_shock
def locate_shock_front(jobName, tindx, nbi, nbj):
"""
Reads flow blocks and returns the coordinates of the shock front.
Input:
jobName: string name used to construct file names
tindx: integer index of the target solution
nbi: number of blocks in the i-index direction
nbj: number of blocks in the j-index direction
It is assumed that the shock front will be located by scanning
along the i-index direction, with j being constant for each search.
This function taken from the example 2D/sphere-heat-transfer
and is a bit more general than needed for the cone20 case.
"""
blockData = []
for ib in range(nbi):
blockData.append([])
for jb in range(nbj):
blkindx = ib * nbj + jb
fileName = 'flow/t%04d/%s.flow.b%04d.t%04d.gz' % \
(tindx, jobName, blkindx, tindx)
fp = gzip.open(fileName, "r")
blockData[ib].append(StructuredGridFlow())
blockData[ib][-1].read(fp)
fp.close()
x_shock = []
y_shock = []
for jb in range(nbj):
nj = blockData[0][jb].nj
for j in range(nj):
x = []
y = []
p = []
for ib in range(nbi):
ni = blockData[ib][jb].ni
k = 0 # 2D only
for i in range(ni):
x.append(blockData[ib][jb].data['pos.x'][i, j, k])
y.append(blockData[ib][jb].data['pos.y'][i, j, k])
p.append(blockData[ib][jb].data['p'][i, j, k])
xshock, yshock = locate_shock_along_strip(x, y, p)
x_shock.append(xshock)
y_shock.append(yshock)
return x_shock, y_shock
def readFlowData(jobName, numberBlocks):
# tindx = '9999' # These days we have to scan job.times file.
fp = open(jobName + ".times", "r")
lines = fp.readlines()
fp.close()
tindx = lines[-1].strip().split()[0] # first item off last line in file
zeros = "000"
flow = []
grid = []
for block in range(numberBlocks):
nZeros = 4 - len(str(block))
bindx = zeros[0:nZeros] + str(block)
# read blocks
fileName = 'flow/t' + tindx + '/' + jobName + '.flow.b' + bindx + '.t' + tindx + '.gz'
fp = gzip.open(fileName, "r")
flow.append(StructuredGridFlow())
flow[block].read(fp)
fp.close()
# print "flow data: ni=", flow[block].ni, "nj=", flow[block].nj, "nk=", flow[block].nk
# The grid is always at tindx 0.
fileName = 'grid/t0000/' + jobName + '.grid.b' + bindx + '.t0000.gz'
fp = gzip.open(fileName, "r")
grid.append(StructuredGrid())
grid[block].read(fp)
fp.close()
# print "Block ", block, "grid data: ni=", grid[block].ni, "nj=", grid[block].nj, "nk=", grid[block].nk
return flow, grid
#! /usr/bin/env python
# \file locate_bow_shock.py
# PJ, 08-Nov-2009, updated for Eilmer3
import sys, os, gzip
sys.path.append(os.path.expandvars("$HOME/e3bin"))
from e3_flow import StructuredGridFlow
print "Locate a bow shock by its pressure jump."
# Block 0 contains the stagnation point.
fileName = 'flow/t9999/cyl.flow.b0000.t9999.gz'
fp = gzip.open(fileName, "r")
blockData = StructuredGridFlow()
blockData.read(fp)
fp.close()
# Since this is a 3D simulation, the shock is not expected
# to be flat in the k-direction (along the cylinder axis).
# Sample the shock layer in a few places near the stagnation line.
x_sum = 0.0
n_sample = 6
for k in range(n_sample):
j = 0
p_trigger = 10000.0 # Pa
x_old = blockData.data['pos.x'][0, j, k]
p_old = blockData.data['p'][0, j, k]
for i in range(blockData.ni):
x = blockData.data['pos.x'][i, j, k]
p = blockData.data['p'][i, j, k]
if p > p_trigger: break
from math import sin, cos, tan, atan, pi, sqrt print "\n\ncaculate the average temperature and velocity." fileName = 'grid/t0000/tc_flow_nitrogen.grid.b0000.t0000.gz' print "Read grid file:", fileName fin = GzipFile(fileName, "rb") grd = StructuredGrid() grd.read(f=fin) fin.close() print "Read grid: ni=", grd.ni, "nj=", grd.nj, "nk=", grd.nk fileName = 'flow/t0036/tc_flow_nitrogen.flow.b0000.t0036.gz' print "Read solution file:", fileName fin = GzipFile(fileName, "rb") soln = StructuredGridFlow() soln.read(fin) fin.close() ni = soln.ni nj = soln.nj nk = soln.nk print "Read solution: ni=", ni, "nj=", nj, "nk=", nk # Caculate the averaged velocity and temperature along the radial gap # South surface of block 0 fileName = "average.txt" fout = open(fileName, "w") j = 0 v_tan = 0.0 vel_tan = 0.0 T_tan = 0.0
# We'll access the blocks using [i][j] indexing, with i progressing
# in the downstream direction.
nib = 3
njb = 2
bindx_list = [[0, 1], [2, 3], [4, 5]]
flow = []
grd = []
for ib in range(nib):
flow.append([])
grd.append([])
for jb in range(njb):
bindx = '%04d' % bindx_list[ib][jb]
print "bindx=", bindx
fileName = 'flow/t' + tindx + '/' + jobName + '.flow.b' + bindx + '.t' + tindx + '.gz'
fp = gzip.open(fileName, "r")
f = StructuredGridFlow()
flow[-1].append(f)
f.read(fp)
fp.close()
print "flow data: ni,nj,nk=", f.ni, f.nj, f.nk
# The grid is always at tindx 0.
fileName = 'grid/t0000/' + jobName + '.grid.b' + bindx + '.t0000.gz'
fp = gzip.open(fileName, "r")
g = StructuredGrid()
grd[-1].append(g)
g.read(fp)
fp.close()
print "grid data: ni,nj,nk=", g.ni, g.nj, g.nk
# Work down the duct (i-direction) and compute fraction of area where gas is not
def main():
"""
"""
#op = optparse.OptionParser(version=VERSION_STRING)
#
#op.add_option('--FileToRead',dest='inputFile',default='None',
# help="")
#op.add_option('--nnj',dest='nnj',default=100.0,
# help="")
#op.add_option('--FileToWrite',dest='outputFile',default='None',
# help="")
#opt, args = op.parse_args()
test_section_data = True
if test_section_data is False:
outputFile = "nozzle.data"
elif test_section_data is True:
outputFile = "test-section-slice.data"
# Read in the data
fileList = glob.glob("./flow/t9999/*.gz")
GridFlowData = []
for f in fileList:
f1 = gzip.open(f, "r")
GridFlowData.append(StructuredGridFlow())
GridFlowData[-1].read(f1)
GridFlowData[-1].add_aux_variables(cmdLineDict={'--add-pitot-p':1,\
'--add-mach':1,'--add-total-p':1,'--add-total-enthalpy':1})
f1.close()
variable_list = GridFlowData[0].vars
variable_list.append('log10-p') # We calculate this later
#variable_list = ['pos.x','pos.y','M_local']
# Write out the header line
fout = open(outputFile, 'w')
fout.write(
'# This file generated by "nenzfr_format_flow_data_for_gnuplot_contour.py"\n#\n'
)
fout.write('# Variables: ')
count = 0
for var in variable_list:
count += 1
fout.write('{0:d}:{1:} '.format(count, var))
fout.write('\n')
# Number of blocks in radial direction
nbj = 4
# Total number of blocks
if test_section_data is False:
nb = int(len(fileList))
r = range(nbj)
elif test_section_data is True:
# For the test-section simulation, modify as required.
# This number should be the total number of blocks in the
# INNER portion of the test section. The OUTER portion is
# treated separately later
nb = 68
r = range(nbj, nbj + nbj)
#print GridFlowData[0].ni
#print GridFlowData[0].nj
# Write out the data with strips of j=const. separated
# by a blank line
#for bj in range(nbj):
#for bj in range(nbj,nbj+nbj): # For test-section
for bj in r:
print "bj=", bj
for j in range(GridFlowData[bj].nj):
for b in range(bj, nb, nbj): # Row of blocks
if j == 0:
print "b=", b
for i in range(GridFlowData[b].ni):
for var in variable_list: # Each variable
if var in [
'log10-p',
]:
fout.write( '{0:.6e} '.format(\
math.log10( float(GridFlowData[b].data['p'][i,j,0]) )))
else:
#print "bj=",bj
#print "j=",j
#print "bi=",bi
#print "i=",i
#print "var=",var
#print GridFlowData[bi].data[var][i,j,0]
#break
fout.write( '{0:.6e} '.format(\
float(GridFlowData[b].data[var][i,j,0])) )
fout.write('\n')
fout.write('\n')
if test_section_data is True:
# For test-section simulation we write out the outer portion of
# the test-section last (separately to above loop)
start = nb
nb = 84
for bj in [
start,
]:
print "bj=", bj
for j in range(GridFlowData[bj].nj):
for b in range(bj, nb): # Row of blocks
if j == 0:
print "b=", b
for i in range(GridFlowData[b].ni):
for var in variable_list: # Each variable
if var in [
'log10-p',
]:
fout.write( '{0:.6e} '.format(\
math.log10( float(GridFlowData[b].data['p'][i,j,0]) )))
else:
fout.write( '{0:.6e} '.format(\
float(GridFlowData[b].data[var][i,j,0])) )
fout.write('\n')
fout.write('\n')
fout.close()
def writeZone(fileValue, zoneName, blocks, boundaryConditions,
blockConnections):
tindx = '9999'
flow = []
grid = []
for block_index in range(len(blocks)):
block = blocks[block_index]
bindx = '000' + str(block)
# read blocks
fileName = 'flow/t' + tindx + '/' + jobName + '.flow.b' + bindx + '.t' + tindx + '.gz'
fp = gzip.open(fileName, "r")
flow.append(StructuredGridFlow())
flow[block_index].read(fp)
fp.close()
print "flow data: ni=", flow[block_index].ni, "nj=", flow[
block_index].nj, "nk=", flow[block_index].nk
# The grid is always at tindx 0.
fileName = 'grid/t0000/' + jobName + '.grid.b' + bindx + '.t0000.gz'
fp = gzip.open(fileName, "r")
grid.append(StructuredGrid())
grid[block_index].read(fp)
fp.close()
print "Block ", block, "grid data: ni=", grid[
block_index].ni, "nj=", grid[block_index].nj, "nk=", grid[
block_index].nk
numberCells = 0
numberStructuredPoints = 0
startBlockVertex = []
startBlockCell = []
for block_index in range(len(blocks)):
startBlockVertex.append(numberStructuredPoints)
startBlockCell.append(numberCells)
numberCells = numberCells + flow[block_index].ni * flow[
block_index].nj * flow[block_index].nk
numberStructuredPoints = numberStructuredPoints + grid[
block_index].ni * grid[block_index].nj * grid[block_index].nk
print "Number Cells: ", numberCells
print "Number Structured Vertices: ", numberStructuredPoints
# copy co-ordinates to lists
structured_x = []
structured_y = []
structured_z = []
for block_index in range(len(blocks)):
for k in range(grid[block_index].nk):
for j in range(grid[block_index].nj):
for i in range(grid[block_index].ni):
structured_x.append(grid[block_index].x[i, j, k])
structured_y.append(grid[block_index].y[i, j, k])
structured_z.append(grid[block_index].z[i, j, k])
# Hard wire block connections should be ready in"
#create Unstructured Vertex Map
#print blockConnections
vertexMap = range(numberStructuredPoints)
for join in range(blockConnections['numberConnections']):
block_left = blockConnections['block_left'][join]
block_left_index = blocks.index(block_left)
block_right = blockConnections['block_right'][join]
block_right_index = blocks.index(block_right)
face_left = blockConnections['face_left'][join]
face_right = blockConnections['face_right'][join]
numberJoinVertices_left = getNumberVerticesAtFace(
grid[block_left_index], face_left)
numberJoinVertices_right = getNumberVerticesAtFace(
grid[block_right_index], face_right)
try:
(numberJoinVertices_left == numberJoinVertices_right)
except:
print "Error"
else:
print "Join : ", join, " ", numberJoinVertices_left, numberJoinVertices_right
n_i_l = grid[block_left_index].ni
n_ij_l = n_i_l * grid[block_left_index].nj
n_i_r = grid[block_right_index].ni
n_ij_r = n_i_r * grid[block_right_index].nj
for i in range(numberJoinVertices_left):
i_l, j_l, k_l = getConnVerts(grid[block_left_index], face_left, i)
i_r, j_r, k_r = getConnVerts(grid[block_right_index], face_right,
i)
vert_l = startBlockVertex[
block_left_index] + k_l * n_ij_l + j_l * n_i_l + i_l
vert_r = startBlockVertex[
block_right_index] + k_r * n_ij_r + j_r * n_i_r + i_r
# print "Map vert ", vert_l, " to ", vert_r
vertexMap[vert_l] = vert_r
#create list of unstructuredPoints and remove multiple references in vertMap
#vertexMap = createVertexMap(structured_x, structured_y, structured_z)
unstructuredPoints = []
for i in range(len(vertexMap)):
if (vertexMap[i] == i):
unstructuredPoints.append(i)
else:
x1 = 0
refPoint = vertexMap[i]
# print "Ref", i, refPoint, vertexMap[refPoint]
while (refPoint != vertexMap[refPoint]):
refPoint = vertexMap[refPoint]
# print "double ref", x1, refPoint
try:
(x1 < 8)
except:
print "Error nest too deep"
vertexMap[i] = refPoint
numberUnstructuredPoints = len(unstructuredPoints)
print "Number Unstructured VerticesCells: ", numberUnstructuredPoints
# create inverse Map
inverseMap = range(numberStructuredPoints)
for i in range(numberUnstructuredPoints):
inverseMap[unstructuredPoints[i]] = i
for i in range(numberStructuredPoints):
if (i != vertexMap[i]):
inverseMap[i] = inverseMap[vertexMap[i]]
#create zone
zoneArrayp = CGNS.intArray(3)
#vertex size
zoneArrayp[0] = numberUnstructuredPoints
zoneArrayp[1] = numberCells
zoneArrayp[2] = 0
zonePointer = CGNS.intp()
ier = CGNS.cg_zone_write(fileValue, bValue, zoneName, zoneArrayp,
CGNS.Unstructured, zonePointer)
checkCGNSerror(ier)
zoneValue = zonePointer.value()
#write co-ordinates
CoordX = CGNS.doubleArray(numberUnstructuredPoints)
CoordY = CGNS.doubleArray(numberUnstructuredPoints)
CoordZ = CGNS.doubleArray(numberUnstructuredPoints)
for i in range(numberUnstructuredPoints):
CoordX[i] = structured_x[unstructuredPoints[i]]
CoordY[i] = structured_y[unstructuredPoints[i]]
CoordZ[i] = structured_z[unstructuredPoints[i]]
coordPointer = CGNS.intp()
ier = CGNS.cg_coord_write(fileValue, bValue, zoneValue, CGNS.RealDouble,
"CoordinateX", CoordX, coordPointer)
checkCGNSerror(ier)
ier = CGNS.cg_coord_write(fileValue, bValue, zoneValue, CGNS.RealDouble,
"CoordinateY", CoordY, coordPointer)
checkCGNSerror(ier)
ier = CGNS.cg_coord_write(fileValue, bValue, zoneValue, CGNS.RealDouble,
"CoordinateZ", CoordZ, coordPointer)
checkCGNSerror(ier)
#write cell connections
Elements = CGNS.intArray(numberCells * 8)
x1 = 0
for block_index in range(len(blocks)):
n_i = grid[block_index].ni
n_ij = n_i * grid[block_index].nj
for k in range(flow[block_index].nk):
for j in range(flow[block_index].nj):
for i in range(flow[block_index].ni):
structPoint = startBlockVertex[
block_index] + k * n_ij + j * n_i + i
unstrPoint = inverseMap[structPoint]
Elements[x1] = unstrPoint + 1
x1 = x1 + 1
structPoint = startBlockVertex[
block_index] + k * n_ij + j * n_i + i + 1
unstrPoint = inverseMap[structPoint]
Elements[x1] = unstrPoint + 1
x1 = x1 + 1
structPoint = startBlockVertex[block_index] + k * n_ij + (
j + 1) * n_i + i + 1
unstrPoint = inverseMap[structPoint]
Elements[x1] = unstrPoint + 1
x1 = x1 + 1
structPoint = startBlockVertex[block_index] + k * n_ij + (
j + 1) * n_i + i
unstrPoint = inverseMap[structPoint]
Elements[x1] = unstrPoint + 1
x1 = x1 + 1
structPoint = startBlockVertex[block_index] + (
k + 1) * n_ij + j * n_i + i
unstrPoint = inverseMap[structPoint]
Elements[x1] = unstrPoint + 1
x1 = x1 + 1
structPoint = startBlockVertex[block_index] + (
k + 1) * n_ij + j * n_i + i + 1
unstrPoint = inverseMap[structPoint]
Elements[x1] = unstrPoint + 1
x1 = x1 + 1
structPoint = startBlockVertex[block_index] + (
k + 1) * n_ij + (j + 1) * n_i + i + 1
unstrPoint = inverseMap[structPoint]
Elements[x1] = unstrPoint + 1
x1 = x1 + 1
structPoint = startBlockVertex[block_index] + (
k + 1) * n_ij + (j + 1) * n_i + i
unstrPoint = inverseMap[structPoint]
Elements[x1] = unstrPoint + 1
x1 = x1 + 1
sectionPointer = CGNS.intp()
ier = CGNS.cg_section_write(fileValue, bValue, zoneValue, "Cells",
CGNS.HEXA_8, 1, numberCells, 0, Elements,
sectionPointer)
checkCGNSerror(ier)
# write solution
solnPointer = CGNS.intp()
ier = CGNS.cg_sol_write(fileValue, bValue, zoneValue, "FlowSolution",
CGNS.CellCenter, solnPointer)
checkCGNSerror(ier)
solnValue = solnPointer.value()
density = CGNS.doubleArray(numberCells)
velx = CGNS.doubleArray(numberCells)
vely = CGNS.doubleArray(numberCells)
velz = CGNS.doubleArray(numberCells)
pressure = CGNS.doubleArray(numberCells)
x1 = 0
for block_index in range(len(blocks)):
n_i = grid[block_index].ni
n_ij = n_i * grid[block_index].nj
for k in range(flow[block_index].nk):
for j in range(flow[block_index].nj):
for i in range(flow[block_index].ni):
density[x1] = flow[block_index].data['rho'][i, j, k]
velx[x1] = flow[block_index].data['vel.x'][i, j, k]
vely[x1] = flow[block_index].data['vel.y'][i, j, k]
velz[x1] = flow[block_index].data['vel.z'][i, j, k]
pressure[x1] = flow[block_index].data['p'][i, j, k]
x1 = x1 + 1
fieldPointer = CGNS.intp()
ier = CGNS.cg_field_write(fileValue, bValue, zoneValue, solnValue,
CGNS.RealDouble, "Density", density,
fieldPointer)
ier = CGNS.cg_field_write(fileValue, bValue, zoneValue, solnValue,
CGNS.RealDouble, "VelocityX", velx, fieldPointer)
ier = CGNS.cg_field_write(fileValue, bValue, zoneValue, solnValue,
CGNS.RealDouble, "VelocityY", vely, fieldPointer)
ier = CGNS.cg_field_write(fileValue, bValue, zoneValue, solnValue,
CGNS.RealDouble, "VelocityZ", velz, fieldPointer)
ier = CGNS.cg_field_write(fileValue, bValue, zoneValue, solnValue,
CGNS.RealDouble, "Pressure", pressure,
fieldPointer)
#write boundary conditions to CGNS file
element_index = numberCells
for bnd in range(boundaryConditions['numberBoundaries']):
block = boundaryConditions['block'][bnd]
block_index = blocks.index(block)
face = boundaryConditions['face'][bnd]
bndName = boundaryConditions['name'][bnd]
ilo, ihi, jlo, jhi, klo, khi = getFaceRanges(grid[block_index], face)
i_size = abs(ihi - ilo) # cells not vertices
j_size = abs(jhi - jlo) # cells not vertices
k_size = abs(khi - klo) # cells not vertices
i_sign = determineSign(ilo, ihi)
j_sign = determineSign(jlo, jhi)
k_sign = determineSign(klo, khi)
n_i = grid[block_index].ni
n_ij = n_i * grid[block_index].nj
if (face == "west" or face == "east"):
numberCellsAtBoundary = j_size * k_size
numberPointsAtBoundary = (j_size + 1) * (k_size + 1)
elif (face == "bottom" or face == "top"):
numberCellsAtBoundary = i_size * j_size
numberPointsAtBoundary = (i_size + 1) * (j_size + 1)
elif (face == "north" or face == "south"):
numberCellsAtBoundary = i_size * k_size
numberPointsAtBoundary = (i_size + 1) * (k_size + 1)
parentData = CGNS.intArray(numberCellsAtBoundary * 4)
array_index = 0
parentIndex = 0
if (face == "west" or face == "east"):
i_b = ilo
for k in range(k_size):
for j in range(j_size):
j_b = jlo + j * j_sign
k_b = klo + k * k_sign
structPoint = startBlockVertex[
block_index] + k_b * n_ij + j_b * n_i + i_b
unstrPoint = inverseMap[structPoint]
Elements[array_index] = unstrPoint + 1
array_index = array_index + 1
structPoint = startBlockVertex[block_index] + (
k_b + 1) * n_ij + j_b * n_i + i_b
unstrPoint = inverseMap[structPoint]
Elements[array_index] = unstrPoint + 1
array_index = array_index + 1
structPoint = startBlockVertex[block_index] + (
k_b + 1) * n_ij + (j_b + 1) * n_i + i_b
unstrPoint = inverseMap[structPoint]
Elements[array_index] = unstrPoint + 1
array_index = array_index + 1
structPoint = startBlockVertex[
block_index] + k_b * n_ij + (j_b + 1) * n_i + i_b
unstrPoint = inverseMap[structPoint]
Elements[array_index] = unstrPoint + 1
array_index = array_index + 1
parentData[
parentIndex] = startBlockCell[block_index] + k_b * (
n_ij - 1) + j_b * (n_i - 1) + i_b + 1
parentData[numberCellsAtBoundary + parentIndex] = 0
if (face == "west"):
parentData[2 * numberCellsAtBoundary + parentIndex] = 1
else:
parentData[2 * numberCellsAtBoundary + parentIndex] = 2
parentData[3 * numberCellsAtBoundary + parentIndex] = 0
parentIndex = parentIndex + 1
elif (face == "bottom" or face == "top"):
k_b = klo
for j in range(j_size):
for i in range(i_size):
i_b = ilo + i * i_sign
j_b = jlo + j * j_sign
structPoint = startBlockVertex[
block_index] + k_b * n_ij + j_b * n_i + i_b
unstrPoint = inverseMap[structPoint]
Elements[array_index] = unstrPoint + 1
array_index = array_index + 1
structPoint = startBlockVertex[
block_index] + k_b * n_ij + (j_b + 1) * n_i + i_b
unstrPoint = inverseMap[structPoint]
Elements[array_index] = unstrPoint + 1
array_index = array_index + 1
structPoint = startBlockVertex[
block_index] + k_b * n_ij + (j_b + 1) * n_i + (i_b + 1)
unstrPoint = inverseMap[structPoint]
Elements[array_index] = unstrPoint + 1
array_index = array_index + 1
structPoint = startBlockVertex[
block_index] + k_b * n_ij + j_b * n_i + (i_b + 1)
unstrPoint = inverseMap[structPoint]
Elements[array_index] = unstrPoint + 1
array_index = array_index + 1
elif (face == "north" or face == "south"):
j_b = jlo
for k in range(k_size):
for i in range(i_size):
i_b = ilo + i * i_sign
k_b = klo + k * k_sign
structPoint = startBlockVertex[
block_index] + k_b * n_ij + j_b * n_i + i_b
unstrPoint = inverseMap[structPoint]
Elements[array_index] = unstrPoint + 1
array_index = array_index + 1
structPoint = startBlockVertex[
block_index] + k_b * n_ij + j_b * n_i + i_b + 1
unstrPoint = inverseMap[structPoint]
Elements[array_index] = unstrPoint + 1
array_index = array_index + 1
structPoint = startBlockVertex[block_index] + (
k_b + 1) * n_ij + j_b * n_i + (i_b + 1)
unstrPoint = inverseMap[structPoint]
Elements[array_index] = unstrPoint + 1
array_index = array_index + 1
structPoint = startBlockVertex[block_index] + (
k_b + 1) * n_ij + j_b * n_i + i_b
unstrPoint = inverseMap[structPoint]
Elements[array_index] = unstrPoint + 1
array_index = array_index + 1
start = element_index + 1
end = start + numberCellsAtBoundary - 1
element_index = end
ier = CGNS.cg_section_write(fileValue, bValue, zoneValue, bndName,
CGNS.QUAD_4, start, end, 0, Elements,
sectionPointer)
checkCGNSerror(ier)
# sectionValue = sectionPointer.value()
for i in range(numberCellsAtBoundary):
Elements[4 * i] = start + i
# CGNS.cg_parent_data_write(fileValue, bValue, zoneValue, sectionValue, parentData)
parentData.__del__
# write boundary condition
boundaryPoints = CGNS.intArray(numberPointsAtBoundary)
if (face == "west" or face == "east"):
array_index = 0
i_b = ilo
for k in range(k_size + 1):
for j in range(j_size + 1):
j_b = jlo + j * j_sign
k_b = klo + k * k_sign
structPoint = startBlockVertex[
block_index] + k_b * n_ij + j_b * n_i + i_b
unstrPoint = inverseMap[structPoint]
boundaryPoints[array_index] = unstrPoint + 1
# print arrayIndex, j_b, k_b, structPoint, unstrPoint
array_index = array_index + 1
elif (face == "bottom" or face == "top"):
array_index = 0
k_b = klo
for j in range(j_size + 1):
for i in range(i_size + 1):
j_b = jlo + j * j_sign
i_b = ilo + i * i_sign
structPoint = startBlockVertex[
block_index] + k_b * n_ij + j_b * n_i + i_b
unstrPoint = inverseMap[structPoint]
boundaryPoints[array_index] = unstrPoint + 1
# print arrayIndex, j_b, k_b, structPoint, unstrPoint
array_index = array_index + 1
elif (face == "north" or face == "south"):
array_index = 0
j_b = jlo
for k in range(k_size + 1):
for i in range(i_size + 1):
k_b = klo + k * k_sign
i_b = ilo + i * i_sign
structPoint = startBlockVertex[
block_index] + k_b * n_ij + j_b * n_i + i_b
unstrPoint = inverseMap[structPoint]
boundaryPoints[array_index] = unstrPoint + 1
# print arrayIndex, j_b, k_b, structPoint, unstrPoint
array_index = array_index + 1
boundaryPointer = CGNS.intp()
bocotype = getCGNSboundaryType(bndName)
ier = CGNS.cg_boco_write(fileValue, bValue, zoneValue, bndName,
bocotype, CGNS.PointList,
numberPointsAtBoundary, boundaryPoints,
boundaryPointer)
checkCGNSerror(ier)
print "Boundary", bnd, bndName, "block", block, "cells", numberCellsAtBoundary