def run(dom, stream):
sqe = Sequencer()
sqe.t = 0
sqe.t_end = 0.05
constraints = ScalarConstrainerOverBox()
constraints.domain = Link(dom)
constraints.top = 1
constraints.bottom = 1
constraints.right = 1
constraints.left = 1
source = EvaluateExpression()
source.domain = Link(dom)
source.expression = "(x[1]-x[0])*exp(-t)-exp(-t)*x[0]*x[1]"
source.t = Link(sqe)
boundaryvalue = EvaluateExpression()
boundaryvalue.domain = Link(dom)
boundaryvalue.expression = "x[0]*x[1]*exp(-t)"
boundaryvalue.t = Link(sqe)
tt = TemperatureAdvection()
tt.domain = Link(dom)
tt.temperature = Link(boundaryvalue, "out")
tt.velocity = numpy.array([1, -1])
tt.thermal_source = Link(source, "out")
tt.location_fixed_temperature = Link(constraints, "location_of_constraint")
tt.fixed_temperature = Link(boundaryvalue, "out")
tt.safety_factor = 0.1
probe = Probe()
probe.expression = "x[0]*x[1]*exp(-t)"
probe.t = Link(sqe)
probe.value = Link(tt, "temperature")
s = Simulation([sqe, constraints, tt, probe], debug=True)
s.writeXML(stream)
s.run()
def run(dom, stream):
temp_val = InterpolateOverBox()
temp_val.domain = Link(dom, "domain")
temp_val.value_left_bottom_front = 1.
temp_val.value_right_bottom_front = 1.
temp_val.value_left_top_front = 0.
temp_val.value_right_top_front = 0.
temp_val.value_left_bottom_back = 1.
temp_val.value_right_bottom_back = 1.
temp_val.value_left_top_back = 0.
temp_val.value_right_top_back = 0.
temp_constraints = ScalarConstrainerOverBox()
temp_constraints.domain = Link(dom)
temp_constraints.top = 1
temp_constraints.bottom = 1
vel_constraints = VectorConstrainerOverBox()
vel_constraints.domain = Link(dom)
vel_constraints.left = [1, 0, 0]
vel_constraints.right = [1, 0, 0]
vel_constraints.top = [0, 1, 0]
vel_constraints.bottom = [0, 1, 0]
vel_constraints.front = [0, 0, 1]
vel_constraints.back = [0, 0, 1]
mat = SimpleEarthModel()
mat.density0 = 1.
mat.viscocity0 = 1.
mat.rayleigh_number = 10000.
mat.alpha = 0.001
temp = TemperatureAdvection(debug=True)
temp.domain = Link(dom)
temp.density = Link(mat, "density0")
temp.heat_capacity = Link(mat, "heat_capacity")
temp.location_fixed_temperature = Link(temp_constraints,
"location_of_constraint")
temp.fixed_temperature = Link(temp_val, "out")
temp.safety_factor = 0.01
mat.temperature = Link(temp, "temperature")
grav = GravityForce()
grav.domain = Link(dom, "domain")
grav.direction = [0., -1., 0.]
grav.density = Link(mat, "density")
grav.gravity = Link(mat, "gravity")
vel = SteadyIncompressibleFlow(debug=True)
vel.domain = Link(dom)
vel.internal_force = Link(grav, "gravity_force")
vel.viscosity = Link(mat, "viscosity")
vel.location_prescribed_velocity = Link(vel_constraints,
"location_of_constraint")
vel.rel_tol = 1.e-6
temp.velocity = Link(vel, "velocity")
sq = Sequencer()
sq.t_end = 0.001
vis = WriteVTK()
vis.t = Link(sq)
vis.data0 = Link(temp, "temperature")
vis.data1 = Link(vel, "velocity")
vis.dt = 0.0001
vis.filename = os.path.join(WORKDIR, "temp.vtu")
per = GaussianProfile()
per.domain = Link(dom)
per.x_c = [0.5, 0.5, 0.5]
per.A = 0.0001
per.width = 0.01
per.r = 0
lc = LinearCombination()
lc.f0 = 1.
lc.v0 = Link(per, "out")
lc.f1 = 1.
lc.v1 = Link(temp_val, "out")
temp.temperature = Link(lc, "out")
s = Simulation([
sq, vel_constraints, temp_constraints,
Simulation([vel], debug=True), temp, vis
],
debug=True)
s.writeXML(stream)
s.run()
