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()