<?xml version="1.0" encoding="utf-8"?><Code_Saturne_GUI case="subroutine_version" study="Tuto_VIV" version="2.0">
	<solution_domain>
		<volumic_conditions>
			<zone head_losses="off" id="1" initialization="on" label="all_cells" mass_source_term="off" momentum_source_term="off" scalar_source_term="off" thermal_source_term="off">all[]</zone>
		</volumic_conditions>
		<meshes_list>
			<mesh name="mesh_viv.des"/>
		</meshes_list>
		<faces_cutting status="off"/>
		<mesh_smoothing status="off"/>
		<joining/>
		<periodicity/>
	</solution_domain>
	<thermophysical_models>
		<velocity_pressure>
			<variable label="Pressure" name="pressure"/>
			<variable label="VelocityX" name="velocity_U"/>
			<variable label="VelocityY" name="velocity_V"/>
			<variable label="VelocityZ" name="velocity_W"/>
			<property label="total_pressure" name="total_pressure"/>
			<property label="Yplus" name="yplus" support="boundary"/>
			<property label="Efforts" name="effort" support="boundary"/>
			<property label="Efforts, tangential" name="effort_tangential" support="boundary">
				<postprocessing_recording status="off"/>
			</property>
			<property label="Efforts, normal" name="effort_normal" support="boundary">
				<postprocessing_recording status="off"/>
			</property>
			<initialization>
				<formula zone_id="1">u = 0.43;
v = 0;
w = 0;</formula>
			</initialization>
		</velocity_pressure>
		<reference_values>
			<pressure>101325</pressure>
			<velocity>1</velocity>
			<temperature>1273.15</temperature>
		</reference_values>
		<turbulence model="k-epsilon">
			<initialization choice="reference_value" zone_id="1"/>
			<variable label="TurbEner" name="turb_k"/>
			<property label="TurbVisc" name="turb_viscosity"/>
			<variable label="Dissip" name="turb_eps"/>
		</turbulence>
		<ale_method status="on">
			<variable label="mesh_u" name="mesh_velocity_U"/>
			<variable label="mesh_v" name="mesh_velocity_V"/>
			<variable label="mesh_w" name="mesh_velocity_W"/>
			<property label="mesh_vi1" name="mesh_viscosity_1"/>
			<mesh_viscosity type="isotrop"/>
			<fluid_initialization_sub_iterations>0</fluid_initialization_sub_iterations>
			<formula>RR = 1.0*0.025;

xr2 = RR^2;
xcen = 0.;
ycen = 0.;
xray2 = (x-xcen)^2 + (y-ycen)^2;
mesh_vi1 = 1;
if (xray2 &lt; xr2) mesh_vi1 = 1e10;</formula>
			<max_iterations_implicitation>20</max_iterations_implicitation>
			<implicitation_precision>1e-08</implicitation_precision>
			<external_coupling_post_synchronization status="off"/>
		</ale_method>
		<thermal_scalar model="off"/>
		<radiative_transfer model="off"/>
		<conjugate_heat_transfer>
			<external_coupling/>
		</conjugate_heat_transfer>
		<compressible_model model="off"/>
		<gas_combustion model="off"/>
		<joule_effect model="off"/>
		<atmospheric_flows model="off"/>
		<solid_fuels model="off"/>
	</thermophysical_models>
	<numerical_parameters>
		<velocity_pressure_algo choice="simplec">
			<piso_sweep_number>1</piso_sweep_number>
		</velocity_pressure_algo>
	</numerical_parameters>
	<physical_properties>
		<fluid_properties>
			<property choice="constant" label="Density" name="density">
				<listing_printing status="off"/>
				<postprocessing_recording status="off"/>
				<initial_value>1000</initial_value>
			</property>
			<property choice="constant" label="LamVisc" name="molecular_viscosity">
				<listing_printing status="off"/>
				<postprocessing_recording status="off"/>
				<initial_value>0.001</initial_value>
			</property>
			<property choice="constant" label="SpecHeat" name="specific_heat">
				<listing_printing status="off"/>
				<postprocessing_recording status="off"/>
				<initial_value>1017.24</initial_value>
			</property>
			<property choice="constant" label="ThermalCond" name="thermal_conductivity">
				<listing_printing status="off"/>
				<postprocessing_recording status="off"/>
				<initial_value>0.02495</initial_value>
			</property>
		</fluid_properties>
		<gravity>
			<gravity_x>0</gravity_x>
			<gravity_y>0</gravity_y>
			<gravity_z>0</gravity_z>
		</gravity>
		<omega>
			<omega_x>0</omega_x>
			<omega_y>0</omega_y>
			<omega_z>0</omega_z>
		</omega>
	</physical_properties>
	<additional_scalars/>
	<boundary_conditions>
		<boundary label="BC_2" name="2" nature="symmetry">10</boundary>
		<boundary label="BC_3" name="3" nature="symmetry">11</boundary>
		<boundary label="BC_4" name="4" nature="symmetry">2</boundary>
		<boundary label="BC_5" name="5" nature="inlet">3</boundary>
		<boundary label="BC_6" name="6" nature="outlet">4</boundary>
		<symmetry label="BC_2"/>
		<symmetry label="BC_3"/>
		<symmetry label="BC_4"/>
		<outlet label="BC_6"/>
		<wall label="BC_2">
			<ale choice="sliding_boundary"/>
		</wall>
		<wall label="BC_3">
			<ale choice="sliding_boundary"/>
		</wall>
		<wall label="BC_4">
			<ale choice="sliding_boundary">
				<initial_displacement>
					<X>0</X>
					<Y>0</Y>
					<Z>0</Z>
				</initial_displacement>
				<equilibrium_displacement>
					<X>0</X>
					<Y>0</Y>
					<Z>0</Z>
				</equilibrium_displacement>
				<initial_velocity>
					<X>0</X>
					<Y>0</Y>
					<Z>0</Z>
				</initial_velocity>
				<mass_matrix/>
				<damping_matrix/>
				<stiffness_matrix/>
				<fluid_force_matrix/>
			</ale>
		</wall>
		<wall label="BC_5">
			<ale choice="fixed_boundary"/>
		</wall>
		<wall label="BC_6">
			<ale choice="fixed_boundary"/>
		</wall>
		<variable/>
		<scalar/>
		<boundary label="BC_1" name="7" nature="wall">1</boundary>
		<wall label="BC_1">
			<velocity_pressure choice="off"/>
			<ale choice="fixed_displacement">
				<formula>Sr_a = 0.16;
U0 = 0.43;
c = 0.05;
a  = 0.5*c;
mass = 1.;

f = Sr_a*U0/(2*a);
omega = 2*pi*f;
zz = a*sin(omega*t);
ww = a*omega*cos(omega*t);
acc = -a*omega^2*sin(omega*t);
F = acc*mass;
disp = a*sin(omega*t);

mesh_x=0;
mesh_y=disp; 
mesh_z=0;</formula>
			</ale>
		</wall>
		<inlet label="BC_5">
			<velocity_pressure choice="norm" direction="normal">
				<norm>1</norm>
			</velocity_pressure>
			<turbulence choice="hydraulic_diameter">
				<hydraulic_diameter>1</hydraulic_diameter>
			</turbulence>
		</inlet>
	</boundary_conditions>
	<analysis_control>
		<output>
			<writer id="-1" label="results">
				<output_at_end status="on"/>
				<format name="ensight" options=""/>
				<directory name="postprocessing"/>
				<time_dependency choice="transient_coordinates"/>
				<frequency period="time_step">10</frequency>
			</writer>
			<mesh id="-1" label="Fluid domain" type="cells">
				<all_variables status="on"/>
				<location>all[]</location>
				<writer id="-1"/>
			</mesh>
			<mesh id="-2" label="Boundary" type="boundary_faces">
				<all_variables status="on"/>
				<location>all[]</location>
				<writer id="-1"/>
			</mesh>
			<listing_printing_frequency>50</listing_printing_frequency>
			<probe_recording_frequency>1</probe_recording_frequency>
			<probe_format choice="DAT"/>
		</output>
		<profiles/>
		<time_averages/>
		<time_parameters>
			<time_step_ref>0.01</time_step_ref>
			<iterations>1000</iterations>
			<time_passing>0</time_passing>
			<property label="CourantNb" name="courant_number"/>
			<property label="FourierNb" name="fourier_number"/>
			<zero_time_step status="off"/>
		</time_parameters>
		<steady_management status="off"/>
	</analysis_control>
	<calculation_management>
		<start_restart>
			<frozen_field status="off"/>
		</start_restart>
		<n_procs>1</n_procs>
		<partitioning/>
		<block_io/>
	</calculation_management>
	<lagrangian model="off">
		<output/>
	</lagrangian>
</Code_Saturne_GUI>