source: issm/trunk-jpl/test/Par/ISMIPE.py@ 24214

import numpy as np
from arch import *
from SetIceSheetBC import SetIceSheetBC

#Ok, start defining model parameters here

print("      creating thickness")
data = np.array(archread('../Data/ISMIPE.arch', 'data'))
md.geometry.surface = np.zeros((md.mesh.numberofvertices))
md.geometry.base = np.zeros((md.mesh.numberofvertices))
for i in range(0, md.mesh.numberofvertices):
    y = md.mesh.y[i]
    point1 = int(np.floor(y / 100.))
    point2 = int(np.minimum(point1 + 1, 50))
    coeff = int((y - (point1) * 100.) / 100.)
    md.geometry.base[i] = (1. - coeff) * data[point1, 1] + coeff * data[point2, 1]
    md.geometry.surface[i] = (1. - coeff) * data[point1, 2] + coeff * data[point2, 2]

md.geometry.thickness = md.geometry.surface - md.geometry.base
md.geometry.thickness[np.nonzero(np.logical_not(md.geometry.thickness))] = 0.01
md.geometry.base = md.geometry.surface - md.geometry.thickness

print("      creating drag")
md.friction.coefficient = np.zeros((md.mesh.numberofvertices))
md.friction.p = np.ones((md.mesh.numberofelements))
md.friction.q = np.ones((md.mesh.numberofelements))

print("      creating flow law parameter")
md.materials.rheology_B = 6.8067 * 10**7 * np.ones((md.mesh.numberofvertices))
md.materials.rheology_n = 3. * np.ones((md.mesh.numberofelements))

print("      boundary conditions for stressbalance model:")
#Create node on boundary first (because we can not use mesh)
md = SetIceSheetBC(md)