import numpy
from SetIceSheetBC import *

#Ok, start defining model parameters here

print "      creating thickness"
md.geometry.surface=2000.-md.mesh.x.reshape(-1,1)*numpy.tan(0.1*numpy.pi/180.)    #to have z>0
md.geometry.bed=md.geometry.surface-1000.
md.geometry.thickness=md.geometry.surface-md.geometry.bed

print "      creating drag"
#md.friction.coefficient=sqrt(md.constants.yts.*(1000.+1000.*sin(md.mesh.x*2.*pi/max(md.mesh.x/2.)).*sin(md.mesh.y*2.*pi/max(md.mesh.x/2.)))./(md.constants.g*(md.materials.rho_ice*md.geometry.thickness+md.materials.rho_water*md.geometry.bed)));
md.friction.coefficient=numpy.sqrt(md.constants.yts*(1000.+1000.*numpy.sin(md.mesh.x.reshape(-1,1)*2.*numpy.pi/numpy.max(md.mesh.x))*numpy.sin(md.mesh.y.reshape(-1,1)*2.*numpy.pi/numpy.max(md.mesh.x))))
md.friction.coefficient[numpy.nonzero(md.mask.groundedice_levelset<0.)[0]]=0.
md.friction.p=numpy.ones((md.mesh.numberofelements,1))
md.friction.q=numpy.zeros((md.mesh.numberofelements,1))

print "      creating flow law parameter"
md.materials.rheology_B=6.8067*10**7*numpy.ones((md.mesh.numberofvertices,1))
md.materials.rheology_n=3.*numpy.ones((md.mesh.numberofelements,1))

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