<?xml version="1.0" encoding="utf-8"?><Code_Saturne_GUI case="CYLINDRE" study="STUDY" 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="cavite_annulaire.med"/>
		</meshes_list>
		<faces_cutting status="off"/>
		<joining/>
		<periodicity/>
		<standalone/>
	</solution_domain>
	<thermophysical_models>
		<velocity_pressure>
			<variable label="Pressure" name="pressure">
				<reference_pressure>101325</reference_pressure>
			</variable>
			<variable label="VelocityX" name="velocity_U">
				<blending_factor>1</blending_factor>
			</variable>
			<variable label="VelocityY" name="velocity_V">
				<blending_factor>1</blending_factor>
			</variable>
			<variable label="VelocityZ" name="velocity_W">
				<blending_factor>1</blending_factor>
			</variable>
			<property label="total_pressure" name="total_pressure"/>
			<property label="Yplus" name="yplus" support="boundary"/>
			<property label="Efforts" name="effort" support="boundary"/>
			<property label="all_variables" name="all_variables" support="boundary"/>
		</velocity_pressure>
		<ale_method status="on">
			<mesh_viscosity type="isotrop"/>
			<fluid_initialization_sub_iterations>10</fluid_initialization_sub_iterations>
			<max_iterations_implicitation>2</max_iterations_implicitation>
			<implicitation_precision>1e-05</implicitation_precision>
			<external_coupling_post_synchronization status="off"/>
			<displacement_prediction_alpha>0.5</displacement_prediction_alpha>
			<displacement_prediction_beta>0</displacement_prediction_beta>
			<stress_prediction_alpha>2</stress_prediction_alpha>
			<monitor_point_synchronisation status="off"/>
			<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 choice="user_function" label="mesh_vi1" name="mesh_viscosity_1"/>
			<formula>xr2 = 1.5^2;
xcen = 5.0;
ycen = 0.;
zcen = 6.0;
xray2 = (x-xcen)^2 + (y-ycen)^2 + (z-zcen)^2;
mesh_vi1 = 1;
if (xray2 &lt; xr2) mesh_vi1 = 1e10;</formula>
		</ale_method>
		<turbulence model="off">
			<initialization choice="reference_velocity">
				<reference_velocity>1</reference_velocity>
			</initialization>
			<scale_model>1</scale_model>
			<gravity_terms status="on"/>
		</turbulence>
		<thermal_scalar model="off"/>
		<radiative_transfer model="off">
			<restart status="off"/>
			<absorption_coefficient type="constant">0</absorption_coefficient>
		</radiative_transfer>
		<conjugate_heat_transfer>
			<external_coupling status="off"/>
			<external_coupling status="off"/>
			<external_coupling status="off"/>
		</conjugate_heat_transfer>
		<gas_combustion model="off"/>
		<pulverized_coal model="off"/>
		<joule_effect model="off"/>
		<atmospheric_flows model="off"/>
		<heads_losses/>
	</thermophysical_models>
	<numerical_parameters>
		<multigrid status="on"/>
		<gradient_transposed status="on"/>
		<velocity_pressure_coupling status="off"/>
		<pressure_relaxation>1</pressure_relaxation>
		<wall_pressure_extrapolation>0</wall_pressure_extrapolation>
		<gradient_reconstruction choice="0"/>
	</numerical_parameters>
	<physical_properties>
		<fluid_properties>
			<property choice="constant" label="Density" name="density">
				<listing_printing status="off"/>
				<postprocessing_recording status="off"/>
				<initial_value>1</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>
		<hydrostatic_pressure status="off"/>
		<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_1" name="1" nature="symmetry">basse</boundary>
		<boundary label="BC_2" name="2" nature="wall">ext</boundary>
		<boundary label="BC_3" name="3" nature="symmetry">haute</boundary>
		<boundary label="BC_4" name="4" nature="wall">int</boundary>
		<variable/>
		<wall label="BC_2">
			<velocity_pressure choice="off">
				<dirichlet name="velocity_U">0</dirichlet>
				<dirichlet name="velocity_V">0</dirichlet>
				<dirichlet name="velocity_W">0</dirichlet>
			</velocity_pressure>
			<ale choice="fixed_boundary"/>
		</wall>
		<wall label="BC_4">
			<velocity_pressure choice="off"/>
			<ale choice="internal_coupling">
				<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>
					<formula>m11=1;
m22=1;
m33=1;
m12=0;
m13=0;
m23=0;
m21=0;
m31=0;
m32=0;</formula>
				</mass_matrix>
				<damping_matrix>
					<formula>c11=1;
c22=1;
c33=1;
c12=0;
c13=0;
c23=0;
c21=0;
c31=0;
c32=0;</formula>
				</damping_matrix>
				<stiffness_matrix>
					<formula>k11=0.0001;
k22=0.0001;
k33=0.0001;
k12=0;
k13=0;
k23=0;
k21=0;
k31=0;
k32=0;</formula>
				</stiffness_matrix>
				<fluid_force_matrix>
					<formula>fx = 0;
fy = 0;
fz = 0;</formula>
				</fluid_force_matrix>
			</ale>
		</wall>
		<scalar/>
		<symmetry label="BC_1"/>
		<symmetry label="BC_3"/>
		<wall label="BC_1">
			<ale choice="sliding_boundary"/>
		</wall>
		<wall label="BC_3">
			<ale choice="sliding_boundary"/>
		</wall>
	</boundary_conditions>
	<analysis_control>
		<output>
			<writer id="-1" label="results">
				<output_at_end status="on"/>
				<format name="med" options=""/>
				<directory name="postprocessing"/>
				<time_dependency choice="fixed_mesh"/>
				<frequency period="time_step">1</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>1</listing_printing_frequency>
			<probe_recording_frequency>1</probe_recording_frequency>
			<probe_format choice="DAT"/>
		</output>
		<time_parameters>
			<time_step_ref>0.01</time_step_ref>
			<iterations>100</iterations>
			<time_passing>0</time_passing>
			<zero_time_step status="off"/>
			<property label="CourantNb" name="courant_number"/>
			<property label="FourierNb" name="fourier_number"/>
		</time_parameters>
		<steady_management status="off">
			<zero_iteration status="off"/>
			<iterations>10</iterations>
			<relaxation_coefficient>0.7</relaxation_coefficient>
		</steady_management>
		<time_averages/>
		<profiles/>
	</analysis_control>
	<calculation_management>
		<start_restart>
			<frozen_field status="off"/>
		</start_restart>
		<n_procs>1</n_procs>
	</calculation_management>
	<lagrangian model="off"/>
</Code_Saturne_GUI>