Exemple #1
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def pentavariate(dmax):    
    # Create "Parameter" using "Parameter Factory" object
    pfactory = ParameterFactory()
    c = pfactory.createNormalParameter('c', dict(mu=4.0, sigma=0.50), dmax[0])
    k = pfactory.createExponentialParameter('k', dict(mu=4.0, beta=0.50), dmax[1])
    m = pfactory.createUniformParameter('m', dict(a=-5.0, b=4.0), dmax[2])
    d = pfactory.createUniformParameter('m', dict(a=-5.0, b=4.0), dmax[3])
    e = pfactory.createExponentialParameter('k', dict(mu=4.0, beta=0.50), dmax[4])
    
    # Add "Parameter" into "ParameterContainer"
    pc = ParameterContainer()
    pc.addParameter(c)
    pc.addParameter(k)
    pc.addParameter(m)
    pc.addParameter(d)
    pc.addParameter(e)

    pc.initialize()

    test(pc)
    def getCollocationPoints(self, ymean):
        # Create random parameters
        pfactory = ParameterFactory()
        a1 = pfactory.createNormalParameter('a1', dict(mu=ymean[0],
                                                       sigma=0.15), 1)
        a2 = pfactory.createNormalParameter('a2', dict(mu=ymean[1],
                                                       sigma=0.15), 1)
        h = pfactory.createNormalParameter('h', dict(mu=ymean[2], sigma=0.10),
                                           1)

        # Add random parameters into a container and initialize
        pc = ParameterContainer()
        pc.addParameter(a1)
        pc.addParameter(a2)
        pc.addParameter(h)
        pc.initialize()

        # Number of collocation points (quadrature points) along each
        # parameter dimension
        qmap = pc.getQuadraturePointsWeights({0: 5, 1: 5, 2: 5})

        return qmap
Exemple #3
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def univariate(dmax):    
    # Create "Parameter" using "Parameter Factory" object
    pfactory = ParameterFactory()
    c = pfactory.createNormalParameter('c', dict(mu=4.0, sigma=0.50), dmax[0])
    
    # Add "Parameter" into "ParameterContainer"
    pc = ParameterContainer()
    pc.addParameter(c)
    pc.initialize()

    test(pc)
Exemple #4
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    dRdk = spr.dRdk(u)
    dFdk = spr.dFdk(u)
    dRdq = spr.dRdq(u)
    dFdq = spr.dFdq(u)
    lam = spr.adjoint_solve(u)
    DFDx = dFdk + lam * dRdk
    return E, DFDx


# Create random parameters
pfactory = ParameterFactory()
K = pfactory.createNormalParameter(
    'K', dict(mu=np.pi / 2., sigma=0.1 * (np.pi / 2.)), 7)

# Add random parameters into a container and initialize
pc = ParameterContainer()
pc.addParameter(K)
pc.initialize()

# Create deterministic and stochastic spring elements
dspr = Spring(k=np.pi / 2.)
sspr = StochasticSpring(dspr, pc)

#######################################################################
# Test the system
#######################################################################

# Assemble stochastic force vector from deterministic vector
f = np.pi
U = sspr.solve(0, f)
# E = dspr.F(uhat)
Exemple #5
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import sys
from os import path
sys.path.append( path.dirname( path.dirname( path.abspath(__file__) ) ) )
import numpy as np
from pspace.core import ParameterFactory, ParameterContainer

# Create "Parameter" using "Parameter Factory" object
pfactory = ParameterFactory()
c = pfactory.createNormalParameter('c', dict(mu=-4.0, sigma=0.50), 5)
k = pfactory.createUniformParameter('k', dict(a=-5.0, b=4.0), 5)
m = pfactory.createExponentialParameter('m', dict(mu=6.0, beta=1.0), 5)
d = pfactory.createUniformParameter('d', dict(a=-5.0, b=4.0), 5)
e = pfactory.createExponentialParameter('e', dict(mu=6.0, beta=1.0), 5)
    
# Add "Parameter" into "ParameterContainer"
pc = ParameterContainer()
pc.addParameter(c)
pc.addParameter(k)
pc.addParameter(m)
pc.addParameter(d)
pc.addParameter(e)

pc.initialize()
pc.initializeQuadrature({0:5,1:5,2:5,3:5,4:5})

N = pc.getNumStochasticBasisTerms()
print N
for k in range(N):
    pids = pc.getParameters().keys()
    for q in pc.quadrature_map.keys():
        pc.evalOrthoNormalBasis(k,q)
Exemple #6
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from os import path
sys.path.append(path.dirname(path.dirname(path.abspath(__file__))))

import numpy as np
from collections import Counter
from timeit import default_timer as timer

from pspace.core import ParameterFactory, ParameterContainer
from pspace.plotter import plot_jacobian

# Create "Parameter" using "Parameter Factory" object
pfactory = ParameterFactory()
alpha = pfactory.createNormalParameter('alpha', dict(mu=1.0, sigma=0.10), 4)

# Add "Parameter" into "ParameterContainer"
pc = ParameterContainer()
pc.addParameter(alpha)

pc.initialize()

param_nqpts_map = {0: 10}
quadmap = pc.getQuadraturePointsWeights(param_nqpts_map)

# Solve deterministic ODE at each y
flist = []
nsamples = 0
for qindex in quadmap.keys():
    nsamples += 1
    # Get weights and nodes for this point in Y/Z-domain
    yq = quadmap[qindex]['Y']
    wq = quadmap[qindex]['W']
Exemple #7
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if __name__ == '__main__':
    """    
    """
    start = timer()

    # Create "Parameter" using "Parameter Factory" object
    pfactory = ParameterFactory()
    c = pfactory.createNormalParameter('c', dict(mu=-4.0, sigma=0.50), 4)
    k = pfactory.createExponentialParameter('k', dict(mu=6.0, beta=1.0), 5)
    m = pfactory.createUniformParameter('m', dict(a=-5.0, b=4.0), 6)
    d = pfactory.createUniformParameter('d', dict(a=-5.0, b=4.0), 3)

    # Add "Parameter" into "ParameterContainer"
    pc = ParameterContainer()
    pc.addParameter(c)
    pc.addParameter(k)
    pc.addParameter(m)
    pc.addParameter(d)

    pc.initialize()

    suffix = 'eee'

    # rename for readability
    w = lambda q: pc.W(q)
    psiz = lambda i, q: pc.evalOrthoNormalBasis(i, q)

    def fy(q):
        ymap = pc.Y(q)
Exemple #8
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from pspace.core import ParameterFactory, ParameterContainer

# Create "Parameter" using "Parameter Factory" object
pfactory = ParameterFactory()
c = pfactory.createNormalParameter('c', dict(mu=-4.0, sigma=0.50), 4)
m = pfactory.createUniformParameter('m', dict(a=-5.0, b=4.0), 4)
k = pfactory.createExponentialParameter('k', dict(mu=6.0, beta=1.0), 5)
K = pfactory.createExponentialParameter('k', dict(mu=6.0, beta=1.0), 5)
#C = pfactory.createNormalParameter('c', dict(mu=-4.0, sigma=0.50), 9)

# Add "Parameter" into "ParameterContainer"
pc = ParameterContainer()
pc.addParameter(c)
pc.addParameter(m)
pc.addParameter(k)
pc.addParameter(K)
#pc.addParameter(C)

pc.initialize()

N = pc.getNumStochasticBasisTerms()
#zmap = {0:1.01, 1:1.00,2 :1.0001}
zmap = {0: 1.01, 1: 1.00, 2: 1.0001, 3: 2.0}  #, 4:0.231312}

## for k in range(N):
##     k+1, pc.psi(k,zmap)

for k in range(N):
    # Initialize quadrature with number of gauss points
    # necessary for i-th basis entry
    nqpts_map = pc.getNumQuadraturePointsFromDegree(
Exemple #9
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    return ks


def maxdispks(t, yqq, ksweight):
    return maxKS(ksweight, t, yqq)


######################################################################
# Setup ParameterContainer to UQ with Sampling and Galerkin Methods
######################################################################
'''Create "Parameter" using "Parameter Factory" object'''
pfactory = ParameterFactory()
alpha = pfactory.createNormalParameter('alpha', dict(mu=1.0, sigma=0.30),
                                       NTERMS)
'''Add "Parameters" into "ParameterContainer"'''
pc = ParameterContainer()
pc.addParameter(alpha)
pc.initialize()

######################################################################
# Sampling
######################################################################

print("\nevaluate KS function using sampling : nsamples = %d \n" % NSAMPLES)
'''Set number of quadrature points to do deterministic evaluation'''
param_nqpts_map = {0: NSAMPLES}
quadmap = pc.getQuadraturePointsWeights(param_nqpts_map)
''' Solve deterministic ODE at each y '''
flist = []
nsamples = 0
for qindex in quadmap.keys():
Exemple #10
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from __future__ import print_function
import matplotlib.pyplot as plt
import numpy as np
from pspace.core import ParameterFactory, ParameterContainer

N = 30

# Create random parameters
pfactory = ParameterFactory()
xi1 = pfactory.createUniformParameter('xi1', dict(a=0.0, b=1.0), 1)
xi2 = pfactory.createUniformParameter('xi2', dict(a=0.0, b=1.0), 1)

# Add random parameters into a container and initialize
pc = ParameterContainer()
pc.addParameter(xi1)
pc.addParameter(xi2)
pc.initialize()

# Get the Gaussian Quadrature points in 2d
Y = np.zeros((N*N,2))
quadmap = pc.getQuadraturePointsWeights({0:N,1:N})
for q in quadmap.keys():
    yq = quadmap[q]['Y']
    wq = quadmap[q]['W']
    Y[q,0] = yq[0]
    Y[q,1] = yq[1]

######################################################################
# plot results
######################################################################