Testing a python file as a copy&paste with some format

##################################################################

##################################################################

#setting the domain size for the problem to be solved

domain_size = 2

##################################################################

##################################################################

## ATTENTION: here the order is important

#including kratos path

kratos_libs_path = '../../../../libs' ##kratos_root/libs

#kratos_libs_path = 'C:/kratosR1/libs' ##kratos_root/libs

kratos_applications_path = '../../../../applications/' ##kratos_root/applications

import sys

sys.path.append(kratos_libs_path)

sys.path.append(kratos_applications_path)

#importing Kratos main library

from Kratos import *

kernel = Kernel()   #defining kernel

#importing applications

import applications_interface

applications_interface.Import_IncompressibleFluidApplication = True

applications_interface.ImportApplications(kernel, kratos_applications_path)

## from now on the order is not anymore crucial

##################################################################

##################################################################

from KratosR1IncompressibleFluidApplication import *

#defining a model part

model_part = ModelPart("FluidPart");

##importing the solver files and adding the variables

import incompressible_fluid_solver

incompressible_fluid_solver.AddVariables(model_part)

#adding of Variables to Model Part should be here when the "very fix container will be ready"

#reading a model

gid_io = GidIO("cavity2d",GiDPostMode.GiD_PostBinary)

##gid_io.ReadMesh(model_part.GetMesh())

gid_io.ReadModelPart(model_part)

gid_io.WriteMesh((model_part).GetMesh(),domain_size,GiDPostMode.GiD_PostBinary);

print model_part

#the buffer size should be set up here after the mesh is read for the first time

model_part.SetBufferSize(3)

##add Degrees of Freedom to all of the nodes

incompressible_fluid_solver.AddDofs(model_part)

#creating a fluid solver object

fluid_solver = incompressible_fluid_solver.IncompressibleFluidSolver(model_part,domain_size)

fluid_solver.laplacian_form = 2;

fluid_solver.predictor_corrector = True

fluid_solver.vel_toll = 1e-3

fluid_solver.time_order = 2

fluid_solver.echo_level = 0

#pILUPrecond = ILU0Preconditioner() 

#fluid_solver.pressure_linear_solver =  BICGSTABSolver(1e-9, 5000,pILUPrecond)

pDiagPrecond = DiagonalPreconditioner()

fluid_solver.velocity_linear_solver =  BICGSTABSolver(1e-9, 5000,pDiagPrecond)

fluid_solver.pressure_linear_solver =  BICGSTABSolver(1e-9, 5000,pDiagPrecond)

##fluid_solver.pressure_linear_solver = SkylineLUFactorizationSolver();

fluid_solver.Initialize()

#settings to be changed

Re = 100.0

nsteps = 200

output_step = 1

Dt = 1000.0/Re

if(Dt > 0.1):

    Dt = 0.1

out = 0

for node in model_part.Nodes:

    node.SetSolutionStepValue(VISCOSITY,0,1.0/Re)

for step in range(1,nsteps):

    print "line49"

    time = Dt*step

    print time

    model_part.CloneTimeStep(time)

    print "qui"

    print time

    #print model_part.ProcessInfo()[TIME]

    #solving the fluid problem

    if(step > 3):

        fluid_solver.Solve()

    print "li"

    #print the results

    if(out == output_step):

        gid_io.WriteNodalResults(PRESSURE,model_part.Nodes,time,0)

        gid_io.WriteNodalResults(VELOCITY,model_part.Nodes,time,0)

        gid_io.WriteNodalResults(PRESS_PROJ,model_part.Nodes,time,0)

        gid_io.WriteNodalResults(CONV_PROJ,model_part.Nodes,time,0)

        gid_io.WriteNodalResults(NODAL_AREA,model_part.Nodes,time,0)

        gid_io.WriteNodalResults(VISCOSITY,model_part.Nodes,time,0)

        out = 0

    out = out + 1

node = model_part.Nodes[1]

print node