Ejemplo n.º 1
0
def test_mpi_comm_method(case_path):
    mesh = Mesh.create(case_path)
    IOField.setMesh(mesh)
    with IOField.handle(1.):
        U = IOField.read('U')
        U.partialComplete()
    with IOField.handle(2.):
        U.write()
    return
Ejemplo n.º 2
0
def test_field_io_mpi(case):
    mesh = Mesh.create(case)
    Field.setMesh(mesh)

    time = 1.0

    config.hdf5 = False
    with IOField.handle(time):
        U = IOField.read('U')
        U.partialComplete()

    config.hdf5 = True
    with IOField.handle(time, case=case):
        Uh = IOField.read('U')
        Uh.partialComplete()
Ejemplo n.º 3
0
def diffAllTimes():
    case1, case2, field = sys.argv[1:]
    mesh1 = Mesh.create(case1)
    mesh2 = Mesh.create(case2)

    times1 = mesh1.getTimes()
    times2 = mesh2.getTimes()

    for time1, time2 in zip(times1, times2):
        Field.setMesh(mesh1)
        with IOField.handle(time1):
            phi1 = IOField.read(field)
        Field.setMesh(mesh2)
        with IOField.handle(time2):
            phi2 = IOField.read(field)
        diff = np.abs(phi1.field-phi2.field)
        norm = np.sqrt(parallel.sum(diff**2*mesh1.volumes))
        pprint(parallel.min(diff))
        pprint('norm:', norm)
Ejemplo n.º 4
0
 def createFields(self):
     fields = []
     for name, dims in zip(self.names, self.dimensions):
         phi = np.zeros((self.mesh.nInternalCells, dims[0]), config.precision)
         fields.append(IOField(name, phi, dims, self.mesh.defaultBoundary))
     self.fields = fields
     for phi in self.fields:
         phi.completeField()
     self.firstRun = False
     return fields
Ejemplo n.º 5
0
def postprocess(solver, time, suffix=''):
    mesh = solver.mesh

    point = np.array([0.052641, -0.1, 0.005])
    normal = np.array([1., 0., 0.])
    patches = ['pressure', 'suction']

    pprint('postprocessing', time)
    rho, rhoU, rhoE = solver.initFields(solver.readFields(time, suffix=suffix))
    U, T, p = solver.primitive(rho, rhoU, rhoE)
    T0 = 420.
    p0 = solver.p.phi.BC['inlet'].patch['_pt'][0, 0]
    #p0 = 177000.
    print p0

    htc = getHTC(T, T0, patches)
    Ma = getIsentropicMa(p, p0, patches)
    print Ma
    wakeCells, pl = getPressureLoss(p, T, U, p0, point, normal)
    uplus, yplus, ustar, yplus1 = getYPlus(U, T, rho, patches)

    #for patchID in patches:
    #    startFace = mesh.boundary[patchID]['startFace']
    #    endFace = startFace + mesh.boundary[patchID]['nFaces']
    #    index = 0
    #    mult = np.logspace(0, 2, 100)
    #    points = mesh.faceCentres[startFace + index] \
    #           - mesh.normals[startFace + index]*yplus1[patchID][index]*mult.reshape(-1,1)
    #    field = U.interpolate(points)/ustar[patchID][index]
    #    field = ((field**2).sum(axis=1))**0.5
    #    plt.plot(mult, field)
    #    plt.show()

    htc = IOField.boundaryField('htc' + suffix, htc, (1, ))
    Ma = IOField.boundaryField('Ma' + suffix, Ma, (1, ))
    uplus = IOField.boundaryField('uplus' + suffix, uplus, (3, ))
    yplus = IOField.boundaryField('yplus' + suffix, yplus, (1, ))
    with IOField.handle(time):
        htc.write()
        Ma.write()
        uplus.write()
        yplus.write()
Ejemplo n.º 6
0
def test_mpi_comm():
    case_path = os.path.join(cases_path, 'forwardStep')
    mesh = Mesh.create(case_path)
    IOField.setMesh(mesh)
    with IOField.handle(0.):
        U = IOField.read('U')
        U.partialComplete()
    U.field = np.random.rand(*U.field.shape)

    try:
        with IOField.handle(1.):
            U.write()
        time.sleep(1)
        subprocess.check_output(
            ['decomposePar', '-case', case_path, '-time', '1'])
        subprocess.check_output([
            'mpirun', '-np', '4', 'python2', __file__, 'RUN',
            'test_mpi_comm_method', case_path
        ])
        checkFields(case_path, 'U', '1.0', '2.0', relThres=1e-12, nProcs=4)
    finally:
        shutil.rmtree(os.path.join(case_path, '1'))
        map(shutil.rmtree, glob.glob(os.path.join(case_path, 'processor*')))
Ejemplo n.º 7
0
def postprocess(solver, time, suffix=''):

    #T0 = 365.
    #p0 = 122300.
    #point = np.array([0.081 + 0.023*0.03973,-0.06,0.005])
    #normal = np.array([1.,0.,0.])

    T0 = 409.
    p0 = 184900.
    # valid?
    point = np.array([0.052641, -0.1, 0.005])
    normal = np.array([1., 0., 0.])

    #patches = [surface + '_pressure', surface + '_suction']
    patches = [
        'blade_pressure', 'blade_suction', 'blade0_pressure', 'blade0_suction',
        'nozzle_pressure', 'nozzle_suction'
    ]

    pprint('postprocessing', time)
    rho, rhoU, rhoE = solver.initFields(time, suffix=suffix)
    U, T, p = solver.U, solver.T, solver.p

    htc = getHTC(T, T0, patches)
    Ma = getIsentropicMa(p, p0, patches)
    wakeCells, pl = getPressureLoss(p, T, U, p0, point, normal)
    uplus, yplus, _, _ = getYPlus(U, T, rho, patches)

    htc = IOField.boundaryField('htc' + suffix, htc, (1, ))
    Ma = IOField.boundaryField('Ma' + suffix, Ma, (1, ))
    uplus = IOField.boundaryField('uplus' + suffix, uplus, (3, ))
    yplus = IOField.boundaryField('yplus' + suffix, yplus, (1, ))
    with IOField.handle(time):
        #htc.write()
        #Ma.write()
        uplus.write()
        yplus.write()
Ejemplo n.º 8
0
    def run(self, checkpointData, primalData):

        mesh = self.mesh
        result, firstCheckpoint = checkpointData
        (timeSteps,) = primalData
        sensTimeSeries = []
        energyTimeSeries = []

        startTime = timeSteps[nSteps - firstCheckpoint*writeInterval][0]
        if (firstCheckpoint > 0) or self.forceReadFields:
            fields = self.readFields(startTime)
            for phi in fields:
                phi.field *= mesh.volumes
        else:
            fields = self.fields
        pprint('STARTING ADJOINT')
        pprint('Number of steps:', nSteps)
        pprint('Write interval:', writeInterval)
        pprint()


        perturbations = []
        for index in range(0, len(perturb)):
            perturbation = perturb[index](None, mesh, 0)
            if isinstance(perturbation, tuple):
                perturbation = list(perturbation)
            if not isinstance(perturbation, list):# or (len(parameters) == 1 and len(perturbation) > 1):
                perturbation = [perturbation]
                # complex parameter perturbation not supported
            perturbations.append(perturbation)


        totalCheckpoints = nSteps//writeInterval
        nCheckpoints = min(firstCheckpoint + runCheckpoints, totalCheckpoints)
        checkpoint = firstCheckpoint
        while checkpoint < nCheckpoints:
            pprint('PRIMAL FORWARD RUN {0}/{1}: {2} Steps\n'.format(checkpoint, totalCheckpoints, writeInterval))
            primalIndex = nSteps - (checkpoint + 1)*writeInterval
            t = timeSteps[primalIndex, 0]
            dts = timeSteps[primalIndex:primalIndex+writeInterval+1, 1]

            solutions = primal.run(startTime=t, dt=dts, nSteps=writeInterval, mode='forward', reportInterval=reportInterval)

            pprint('ADJOINT BACKWARD RUN {0}/{1}: {2} Steps\n'.format(checkpoint, totalCheckpoints, writeInterval))
            pprint('Time marching for', ' '.join(self.names))

            if checkpoint == 0:
                t, _ = timeSteps[-1]
                if primal.dynamicMesh:
                    lastMesh, lastSolution = solutions[-1]
                    mesh.boundary = lastMesh.boundarydata[m:].reshape(-1,1)
                else:
                    lastSolution = solutions[-1]

                fieldsCopy = [phi.copy() for phi in fields]
                for phi in fields:
                    phi.field /= mesh.volumes
                self.writeFields(fields, t, skipProcessor=True)
                fields = fieldsCopy

            primal.updateSource(source(solutions[-1], mesh, 0))

            pprint('Time step', writeInterval)
            for phi in fields:
                phi.info()
            #energyTimeSeries.append(getAdjointEnergy(primal, *fields))
            inputs = [phi.field for phi in fields + solutions[-1]] + mesh.getTensor() + mesh.getScalar()
            energyTimeSeries.append(self.computeEnergy(*inputs))

            pprint()

            for step in range(0, writeInterval):
                report = ((step + 1) % reportInterval) == 0
                sample = ((step + 1) % sampleInterval) == 0
                viscous = ((step + 1) % viscousInterval) == 0
                
                adjointIndex = writeInterval-1 - step
                t, dt = timeSteps[primalIndex + adjointIndex]
                if primal.dynamicMesh:
                    previousMesh, previousSolution = solutions[adjointIndex]
                    # new mesh boundary
                    mesh.boundary = previousMesh.boundary
                else:
                    previousSolution = solutions[adjointIndex]

                pprint('Time step', adjointIndex)
                if report:
                    pprint('Time marching for', ' '.join(self.names))
                    start = time.time()
                #for index in range(0, n):
                #    fields[index].field *= mesh.volumes

                dtca = np.zeros((1, 1)).astype(config.precision)
                obja = np.ones((1, 1)).astype(config.precision)
                if self.homogeneousAdjoint:
                    obja *= 0.
                inputs = [phi.field for phi in previousSolution] + \
                     [np.array([[dt]], config.precision)] + \
                     mesh.getTensor() + mesh.getScalar() + \
                     [x[1] for x in primal.sourceTerms] + \
                     primal.getBoundaryTensor(1) + \
                     [x[1] for x in primal.extraArgs] + \
                     [phi.field for phi in fields] + \
                     [dtca, obja] + \
                     [np.array([[self.scaling]], config.precision)]
                options = {'return_static': sample,
                           'zero_static': sample,
                           'return_reusable': report,
                           'replace_reusable': False,
                           }

                start10 = time.time()
                if self.viscosityType and not matop_python and viscous:
                    outputs = self.viscousMap(*inputs, **options)
                else:
                    outputs = self.map(*inputs, **options)
                pprint(time.time()-start10)

                #print(sum([(1e-3*phi).sum() for phi in gradient]))
                #inp1 = inputs[:3] + inputs[-3:-1]
                #inp2 = [phi + 1e-3 for phi in inputs[:3]] + inputs[-3:-1]
                #x1 = primal.map(*inp1)[-2]
                #x2 = primal.map(*inp2)[-2]
                #print(x1, x2, x1-x2)
                #import pdb;pdb.set_trace()

                # gradients
                n = len(fields)
                gradient = outputs[:n]
                for index in range(0, n):
                    fields[index].field = gradient[index]
                    #fields[index].field = gradient[index]/mesh.volumes

                if matop_python:
                    stackedFields = np.concatenate([phi.field/mesh.volumes for phi in fields], axis=1)
                    stackedFields = np.ascontiguousarray(stackedFields)

                    inputs = previousSolution + [self.scaling]
                    kwargs = {'visc': self.viscosityType, 'scale': self.viscosityScaler, 'report':report}
                    weight = interp.centralOld(getAdjointViscosity(*inputs, **kwargs), mesh)
                    stackedPhi = Field('a', stackedFields, (5,))
                    stackedPhi.old = stackedFields
                    newStackedFields = (matop_petsc.ddt(stackedPhi, dt) - matop_petsc.laplacian(stackedPhi, weight, correction=False)).solve()
                        #newStackedFields = stackedFields/(1 + weight*dt)

                    newFields = [newStackedFields[:,[0]], 
                                 newStackedFields[:,[1,2,3]], 
                                 newStackedFields[:,[4]]
                                ]
                            
                    fields = self.getFields(newFields, IOField)
                    for phi in fields:
                        phi.field = np.ascontiguousarray(phi.field)*mesh.volumes

                #print([type(x) for x in outputs])
                if sample:
                    paramGradient = list(outputs[n:n + self.nParams])

                    # compute sensitivity using adjoint solution
                    sensitivities = []
                    for index, perturbation in enumerate(perturbations):
                        # make efficient cpu implementation
                        #sensitivity = 0.
                        #for derivative, delphi in zip(paramGradient, perturbation):
                        #    sensitivity += np.sum(derivative * delphi)
                        sensitivity = cmesh.computeSensitivity(paramGradient, perturbation)
                        sensitivities.append(sensitivity)
                    sensitivities = parallel.sum(sensitivities, allreduce=False)
                    if (nSteps - (primalIndex + adjointIndex)) > avgStart:
                        for index in range(0, len(perturb)):
                            result[index] += sensitivities[index]
                    sensitivities = [sens/sampleInterval for sens in sensitivities]
                    for i in range(0, sampleInterval):
                        sensTimeSeries.append(sensitivities)

                if report:
                    for phi in fields:
                        phi.info()
                    #energyTimeSeries.append(getAdjointEnergy(primal, *fields))
                    inputs = [phi.field for phi in fields + previousSolution] + mesh.getTensor() + mesh.getScalar()
                    energyTimeSeries.append(self.computeEnergy(*inputs))
                    #print(self.computeEnergy(*inputs), getSymmetrizedAdjointEnergy(primal, *inputs[:6]))
                    end = time.time()
                    pprint('Time for adjoint iteration: {0}'.format(end-start))
                    pprint('Time since beginning:', end-config.runtime)
                    pprint('Simulation Time and step: {0}, {1}'.format(*timeSteps[primalIndex + adjointIndex + 1]))
                pprint()
                #parallel.mpi.Barrier()

            self.writeStatusFile([checkpoint + 1, result])
            #energyTimeSeries = mpi.gather(timeSeries, root=0)
            if parallel.rank == 0:
                with open(self.sensTimeSeriesFile, 'ab') as f:
                    np.savetxt(f, sensTimeSeries)
                with open(self.energyTimeSeriesFile, 'ab') as f:
                    np.savetxt(f, energyTimeSeries)
            sensTimeSeries = []
            energyTimeSeries = []
            checkpoint += 1

            #exit(1)
            #print(fields[0].field.max())
            fieldsCopy = [phi.copy() for phi in fields]
            for phi in fields:
                phi.field /= mesh.volumes
            self.writeFields(fields, t, skipProcessor=True)
            fields = fieldsCopy

            # write M_2norm
            if write_M_2norm:
                with IOField.handle(t):
                    IOField('M_2norm', outputs[-1], (1,)).write()

            #for phi in fields:
            #    phi.field /= mesh.volumes
            #self.writeFields(fields, t, skipProcessor=True)
            #for phi in fields:
            #    phi.field *= mesh.volumes

            #print(fields[0].field.max())
            
        #pprint(checkpoint, totalCheckpoints)

        if checkpoint >= totalCheckpoints:
            writeResult('adjoint', result, str(self.scaling), self.sensTimeSeriesFile)
            #for index in range(0, nPerturb):
            #    writeResult('adjoint', result[index], '{} {}'.format(index, self.scaling))
            self.removeStatusFile()
        return
Ejemplo n.º 9
0
Archivo: hdf5.py Proyecto: qiqi/adFVM
#!/usr/bin/python2
from adFVM import parallel, config
import sys
import os
case = sys.argv[1]
times = [float(x) for x in sys.argv[2:]]

config.hdf5 = False
from adFVM.field import IOField
from adFVM.mesh import Mesh

mesh = Mesh.create(case)
mesh.writeHDF5(case)
IOField.setMesh(mesh)

if len(times) == 0:
    times = mesh.getTimes()

for time in times:
    config.hdf5 = False
    fields = []
    with IOField.handle(time):
        for name in mesh.getFields(time):
            if name == 'polyMesh':
                # replace mesh boundary !!
                continue
            phi = IOField.readFoam(name)
            phi.partialComplete()
            fields.append(phi)

    config.hdf5 = True
Ejemplo n.º 10
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    plt.savefig(saveFile)
    plt.clf()


if __name__ == '__main__':
    from adFVM.mesh import Mesh
    from adFVM.field import Field, IOField
    import sys

    case, time = sys.argv[1:3]
    time = float(time)
    mesh = Mesh.create(case)
    Field.setMesh(mesh)

    with IOField.handle(time):
        htc = IOField.read('htc')
        htc.partialComplete()
        Ma = IOField.read('Ma')
        Ma.partialComplete()

    #nLayers = 1
    nLayers = 200
    from postpro import surface
    patches = [surface + '_pressure', surface + '_suction']
    get_profile(surface)

    htc_args = []
    Ma_args = []

    mesh = mesh.origMesh
Ejemplo n.º 11
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#!/usr/bin/python2
import sys
import numpy as np

from adFVM.density import RCF
from adFVM.field import IOField

case, time = sys.argv[1:3]
time = float(time)
rcf = RCF(case)
with IOField.handle(time):
    U = IOField.read('U')
    T = IOField.read('T')
    p = IOField.read('p')
rho, rhoU, rhoE = rcf.conservative(U, T, p)
fields = [U, T, p, rho, rhoU, rhoE]

for phi in fields:
    phi.info()
Ejemplo n.º 12
0
        continue
    boundaryFile = boundaryDir + 'boundary'
    shutil.copyfile(boundaryFile, boundaryDir + 'boundary.cyclic')
    # intersection_master on the right, intersection_slave on the left (x-axis)
    patch = mesh.origMesh.boundary['intersection_master']
    patch['type'] = 'slidingPeriodic1D'
    patch['periodicPatch'] = 'mid1plane'
    patch['velocity'] = '(0 252 0)'
    patch['nLayers'] = '1'
    #patch['nLayers'] = '10'
    patch.pop('movingCellCentres', None)
    patch = mesh.origMesh.boundary['intersection_slave']
    patch['type'] = 'slidingPeriodic1D'
    patch['periodicPatch'] = 'mid2plane'
    patch['velocity'] = '(0 -252 0)'
    patch['nLayers'] = '1'
    #patch['nLayers'] = '10'
    patch.pop('movingCellCentres', None)
    mesh.writeFoamBoundary(boundaryFile, mesh.origMesh.boundary)

fields = os.listdir(timeDir)
for phi in fields:
    if phi == 'polyMesh':
        continue
    with IOField.handle(user.time):
        field = IOField.read(phi)
        field.boundary['intersection_master']['type'] = 'slidingPeriodic1D'
        field.boundary['intersection_slave']['type'] = 'slidingPeriodic1D'
        field.partialComplete()
        field.write(skipProcessor=True)
Ejemplo n.º 13
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def test_field_io(case, hdf5):
    config.hdf5 = hdf5
    mesh = Mesh.create(case)
    Field.setMesh(mesh)

    time = 1.0

    field = np.random.rand(mesh.nInternalCells, 3)
    boundary = copy.deepcopy(mesh.defaultBoundary)
    nFaces = mesh.getPatchFaceRange('inlet')[2]
    boundary['inlet'] = {
            'type':'CBC_TOTAL_PT',
            'pt': 'uniform 20',
            'value': np.random.rand(nFaces, 3)
            }
    U = IOField('U', field, (3,), boundary)
    U.partialComplete()

    field = np.random.rand(mesh.nInternalCells, 1)
    boundary = copy.deepcopy(mesh.defaultBoundary)
    T = IOField('T', field, (1,), boundary)
    boundary['outlet'] = {
            'type':'fixedValue',
            'value': 'uniform 10'
            }

    with IOField.handle(time):
        U.write()
        T.write()

    with IOField.handle(time):
Ejemplo n.º 14
0
centres1 = mesh1.cellCentres[:mesh1.nInternalCells]
centres2 = mesh2.cellCentres[:mesh2.nInternalCells]
internalIndices = mapNearest(centres1, centres2)
patchIndices = {}
for patchID in mesh1.boundary:
    startFace, endFace, indices1 = getPatchInfo(mesh1, patchID)
    centres1 = mesh1.faceCentres[startFace:endFace]
    startFace, endFace, indices2 = getPatchInfo(mesh2, patchID)
    centres2 = mesh2.faceCentres[startFace:endFace]
    patchIndices[patchID] = mapNearest(centres1, centres2)

#for field in mesh1.getFields(time1):
for field in ['U', 'T', 'p', 'rho', 'rhoU', 'rhoE']:
    print 'interpolating', field
    Field.setMesh(mesh1)
    with IOField.handle(time1):
        phi1 = IOField.read(field)
        phi1.partialComplete()
    dims = phi1.dimensions

    phi2 = np.zeros((mesh2.nCells, ) + dims)
    phi2 = IOField(field, phi2, dims)

    phi2.field[:mesh2.nInternalCells] = phi1.field[internalIndices]
    for patchID in phi1.boundary:
        startFace, endFace, indices1 = getPatchInfo(mesh1, patchID)
        startFace, endFace, indices2 = getPatchInfo(mesh2, patchID)
        phi2.field[indices2] = phi1.field[indices1][patchIndices[patchID]]
    phi2.boundary = copy.deepcopy(phi1.boundary)

    Field.setMesh(mesh2)
Ejemplo n.º 15
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#from mms import source, solution

    # analytical inviscid comparison
def test_shockTube(self):
    case = '../cases/shockTube/'
    t = 0.0
    solver = RCF(case, mu=lambda T: T*0., faceReconstructor='AnkitENO', CFL=0.6)
    solver.readFields(t)
    solver.compile()
    timeRef = 0.006
    solver.run(startTime=t, endTime=timeRef, dt=1e-5)

    f = open(case + '/output')
    f.readline()
    f.readline()
    data = np.loadtxt(f)
    with IOField.handle(timeRef):
        rho = IOField.read('rho')
        p = IOField.read('p')
        U = IOField.read('U')
    #rho.complete()
    #p.complete()
    #U.complete()
    self.mesh = solver.mesh
    checkVolSum(self, rho.getInternalField(), data[:, 2].reshape((-1,1)), relThres=0.02)
    checkVolSum(self, p.getInternalField(), data[:, 3].reshape((-1,1)), relThres=0.02)
    checkVolSum(self, U.getInternalField()[:,0].reshape((-1,1)), data[:, 4].reshape((-1,1)),relThres=0.05)

if __name__ == "__main__":
    unittest.main(verbosity=2, buffer=True)
Ejemplo n.º 16
0
        with IOField.handle(time2):
            phi2 = IOField.read(field)
        diff = np.abs(phi1.field-phi2.field)
        norm = np.sqrt(parallel.sum(diff**2*mesh1.volumes))
        pprint(parallel.min(diff))
        pprint('norm:', norm)


def diffSingleTime():
    case, field, time1, time2 = sys.argv[1:]
    time1 = float(time1)
    time2 = float(time2)
    mesh = Mesh.create(case)
    Field.setMesh(mesh)

    with IOField.handle(time1):
        phi1 = IOField.read(field)
        phi1.partialComplete()
    with IOField.handle(time2):
        phi2 = IOField.read(field)
        phi2.partialComplete()

    diff = abs(phi1.field-phi2.field)
    ref = parallel.max(phi1.field)
    pprint('ref:', ref)
    pprint('absolute:', parallel.max(diff))
    pprint('relative:', parallel.max(diff)/ref)
    pprint('close:', np.allclose(phi1.field, phi2.field))

diffSingleTime()
#diffAllTimes()
Ejemplo n.º 17
0
mesh = Mesh.create(case)
Field.setMesh(mesh)

times = mesh.getTimes()
times = filter(lambda x: x > 3.00049, times)
pprint(times)

nLayers = 200
#nLayers = 1

for field in fields:
    # time avg: no dt
    avg = 0.
    not_nan_times = 0.
    for time in times:
        with IOField.handle(time):
            phi = IOField.read(field)
        phi.partialComplete()
        not_nan_times += 1. - np.isnan(phi.field)
        avg += np.nan_to_num(phi.field)
    avg /= not_nan_times

    # spanwise avg: structured
    nDims = avg.shape[1]

    #nLayers = 1
    def average(start, end):
        nCellsPerLayer = (end - start) / nLayers
        spanAvg = avg[start:end].reshape(
            (nCellsPerLayer, nLayers, nDims)).sum(axis=1, keepdims=1) / nLayers
        spanAvg = np.tile(spanAvg, (1, nLayers, 1)).reshape(
Ejemplo n.º 18
0
#!/usr/bin/python2
import sys, os
import numpy as np

from adFVM import config
from adFVM.field import Field, IOField
from adFVM.mesh import Mesh

case = sys.argv[1]
time1, time2 = sys.argv[2:4]
mesh = Mesh.create(case)
Field.setMesh(mesh)

fields = ['p', 'T', 'U']
fieldsRef = [2e5, 300, 100]
for name, ref in zip(fields, fieldsRef):
    with IOField.handle(float(time1)):
        phi = IOField.read(name)
        phi.partialComplete()
    with IOField.handle(float(time2)):
        mid = np.array([-0.02, 0.01, 0.005])
        G = 1e0 * np.exp(-3e3 * np.linalg.norm(
            mid - mesh.cellCentres[:mesh.nInternalCells], axis=1, keepdims=1)**
                         2)
        phi.field[:mesh.nInternalCells] = G * ref

        phi = IOField(name, phi.field, phi.dimensions, phi.boundary)
        phi.write()
Ejemplo n.º 19
0
def test_matop():
    case = '../cases/cylinder/'
    time = 3.0
    field = 'mua'
    case = '../cases/naca0012/test_laplacian/'
    time = 0.0
    field = 'T'

    DT = 0.01
    dt = 1e-8
    nSteps = 1000

    mesh = Mesh.create(case)
    Field.setMesh(mesh)

    with IOField.handle(time):
        T = IOField.read(field)
        T.partialComplete()
    weight = central(T, mesh.origMesh)
    weight.field[:] = DT
    #op = laplacian(T, weight)
    #op.eigenvalues()

    for index in range(0, nSteps):
        pprint(index)
        T.old = T.field
        equation = ddt(T, dt) - laplacian(T, weight)
        T.field = equation.solve()
        T.defaultComplete()
        time += dt
Ejemplo n.º 20
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import sys
import os
import numpy as np

from adFVM import config
from adFVM.field import Field, IOField
from adFVM.mesh import Mesh

case, field = sys.argv[1:3]
#times = sys.argv[3:]
mesh = Mesh.create(case)
Field.setMesh(mesh)

# time avg: no dt
times = mesh.getTimes()
with IOField.handle(times[0]):
    phiAvg = IOField.read(field + '_avg')
    phiAvg.partialComplete()

std = 0.
for time in times:
    with IOField.handle(time):
        phi = IOField.read(field)
        phi.partialComplete()
    std += (phiAvg.field-phi.field)**2

# spanwise avg: structured
nLayers = 200
nDims = std.shape[1]
#nLayers = 1
def average(start, end):
Ejemplo n.º 21
0
#!/usr/bin/python2
import sys, os
import numpy as np

from adFVM import config
from adFVM.field import Field, IOField
from adFVM.mesh import Mesh

case1, case2 = sys.argv[1:]
mesh = Mesh.create(case1)
times = mesh.getTimes()
Field.setMesh(mesh)

fields = ['p', 'T', 'U']
for name in fields:
    phimax = -1
    for time in times:
        mesh.case = case1
        phi1 = IOField.read(name, mesh, time)
        phi1.partialComplete()
        if phimax < 0:
            phimax = phi1.field.max()
        mesh.case = case2
        phi2 = IOField.read(name, mesh, time)
        phi2.partialComplete()
        phi1.name += '_diff'
        phi1.field = (phi2.field-phi1.field)/phimax
        phi1.write(time)

Ejemplo n.º 22
0
Archivo: match.py Proyecto: qiqi/adFVM

pklFile = 'match_args.pkl'
if __name__ == '__main__':
    if 0:  #os.path.exists(pklFile):
        htc_args, Ma_args = pkl.load(open(pklFile))
    else:
        from adFVM import config
        from adFVM.mesh import Mesh
        from adFVM.field import Field, IOField
        case, time = sys.argv[1:3]
        time = float(time)
        mesh = Mesh.create(case)
        Field.setMesh(mesh)

        with IOField.handle(time):
            htc = IOField.read('htc_avg')
            Ma = IOField.read('Ma_avg')
            #htc = IOField.read('htc')
            #Ma = IOField.read('Ma')

            htc.partialComplete()
            Ma.partialComplete()
            #join = '/'
            #if config.hdf5:
            #    join = '_'
            #with open(mesh.getTimeDir(time) + join + 'wake_avg', 'r') as f:
            #    data = load(f)
            #    wakeCells, pl = data['arr_0'], data['arr_1']

        patches = ['pressure', 'suction']