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2019-29-01

Wes Shedding Vortex - code Saturne

In this docummentation you can obtain basis for: - Code Saturne Moving Mesh. - Turbulence fluid modeling.

PY-A911 Wes Shedding Vortex

Create Geometry

This documment contains information to develop an analysis based on Code Saturne version 2.0 tutorial - Fluid-structure interaction

The geometry was downloaded from the page of the tutorial directory. The code tu run the tutorial in xml format should be copied on the CASE/DATA directory.

<Code_Saturne_GUI case="CASE1" solver_version="5.0;4.3;5.0" study="cs-VIV-26" version="2.0"><additional_scalars/><analysis_control><error_estimator/><output><listing_printing_frequency>10</listing_printing_frequency><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></mesh><probe name="1" status="on"><probe_x>5</probe_x><probe_y>0</probe_y><probe_z>5.25001</probe_z></probe><probe name="2" status="on"><probe_x>5</probe_x><probe_y>0</probe_y><probe_z>6.74999</probe_z></probe><probe name="3" status="on"><probe_x>4.25081</probe_x><probe_y>0</probe_y><probe_z>5.96536</probe_z></probe><probe name="4" status="on"><probe_x>4.25081</probe_x><probe_y>0</probe_y><probe_z>6.03464</probe_z></probe><probe name="5" status="on"><probe_x>5.74919</probe_x><probe_y>0</probe_y><probe_z>5.96536</probe_z></probe><probe name="6" status="on"><probe_x>5.74919</probe_x><probe_y>0</probe_y><probe_z>6.03464</probe_z></probe><probe_format choice="DAT"/><probe_recording_frequency>1</probe_recording_frequency><writer id="-1" label="results"><directory name="postprocessing"/><format name="ensight" options=""/><frequency period="time_step">10</frequency><output_at_end status="on"/><time_dependency choice="transient_coordinates"/></writer></output><profiles/><scalar_balances/><steady_management status="off"/><time_averages/><time_parameters><iterations>5000</iterations><property label="CourantNb" name="courant_number"/><property label="FourierNb" name="fourier_number"/><time_passing>0</time_passing><time_step_ref>0.08</time_step_ref><zero_time_step status="off"/></time_parameters></analysis_control><boundary_conditions><boundary label="inlet" name="1" nature="inlet">entree</boundary><boundary label="outlet" name="2" nature="outlet">sortie</boundary><boundary label="wall" name="3" nature="wall">paroi</boundary><boundary label="symmetry" name="4" nature="symmetry">symetrie_1 or symetrie_2</boundary><inlet field_id="none" label="inlet"><turbulence choice="hydraulic_diameter"><hydraulic_diameter>1</hydraulic_diameter></turbulence><velocity_pressure choice="norm" direction="normal"><norm>1</norm></velocity_pressure></inlet><outlet field_id="none" label="outlet"/><symmetry field_id="none" label="symmetry"/><variable/><wall field_id="none" label="wall"><ale choice="internal_coupling"><damping_matrix><formula>c11=1.;
c22=1.;
c33=0.250;
c12=0;
c13=0;
c23=0;
c21=0;
c31=0;
c32=0;</formula></damping_matrix><equilibrium_displacement><X>0</X><Y>0</Y><Z>0</Z></equilibrium_displacement><fluid_force_matrix><formula>fx = fluid_fx;
fy = fluid_fy;
fz = fluid_fz;</formula></fluid_force_matrix><formula/><initial_displacement><X>0</X><Y>0</Y><Z>0</Z></initial_displacement><initial_velocity><X>0</X><Y>0</Y><Z>0</Z></initial_velocity><mass_matrix><formula>m11=1.;
m22=1.;
m33=7.675;
m12=0;
m13=0;
m23=0;
m21=0;
m31=0;
m32=0;</formula></mass_matrix><stiffness_matrix><formula>kstar = 8;
rho = 1;
Uinf = 1;
d = 1.5;
L = 0.5;
k = kstar*0.5*rho*Uinf^2*L;

k11=1.;
k22=1.;
k33=k;
k12=0;
k13=0;
k23=0;
k21=0;
k31=0;
k32=0;</formula></stiffness_matrix></ale><velocity_pressure choice="off"/></wall><wall field_id="none" label="inlet"><ale choice="fixed_boundary"/></wall><wall field_id="none" label="outlet"><ale choice="fixed_boundary"/></wall><wall field_id="none" label="symmetry"><ale choice="sliding_boundary"><formula/></ale></wall></boundary_conditions><calculation_management><block_io/><partitioning/><run_type>mesh quality</run_type><start_restart><frozen_field status="off"/><restart_rescue>0</restart_rescue><restart_with_auxiliary status="on"/></start_restart></calculation_management><lagrangian model="off"/><numerical_parameters><gradient_reconstruction choice="0"/><gradient_transposed status="on"/><hydrostatic_pressure status="off"/><pressure_relaxation>1</pressure_relaxation><velocity_pressure_algo choice="simplec"><piso_sweep_number>1</piso_sweep_number></velocity_pressure_algo><velocity_pressure_coupling status="off"/><wall_pressure_extrapolation>0</wall_pressure_extrapolation></numerical_parameters><physical_properties><fluid_properties><material choice="user_material"/><method choice="user_properties"/><property choice="constant" label="Density" name="density"><initial_value>1</initial_value><listing_printing status="off"/><postprocessing_recording status="off"/></property><property choice="constant" label="LamVisc" name="molecular_viscosity"><initial_value>0.0075</initial_value><listing_printing status="off"/><postprocessing_recording status="off"/></property><property choice="constant" label="SpecHeat" name="specific_heat"><initial_value>1017.24</initial_value><listing_printing status="off"/><postprocessing_recording status="off"/></property><property choice="constant" label="ThermalCond" name="thermal_conductivity"><initial_value>0.02495</initial_value><listing_printing status="off"/><postprocessing_recording status="off"/></property><reference choice="user_material"/></fluid_properties><gravity><gravity_x>0</gravity_x><gravity_y>0</gravity_y><gravity_z>0</gravity_z></gravity><notebook/><omega><omega_x>0</omega_x><omega_y>0</omega_y><omega_z>0</omega_z></omega></physical_properties><solution_domain><extrusion/><faces_cutting status="off"/><joining/><mesh_smoothing status="off"/><meshes_list><mesh name="cylinder.med"/></meshes_list><periodicity/><thin_walls/><volumic_conditions><zone groundwater_law="off" head_losses="off" id="1" initialization="on" label="all_cells" mass_source_term="off" momentum_source_term="off" porosity="off" scalar_source_term="off" thermal_source_term="off">all[]</zone></volumic_conditions></solution_domain><thermophysical_models><ale_method status="on"><displacement_prediction_alpha>0.5</displacement_prediction_alpha><displacement_prediction_beta>0</displacement_prediction_beta><external_coupling_post_synchronization status="off"/><fluid_initialization_sub_iterations>10</fluid_initialization_sub_iterations><formula>xr2 = 1.5^2;
xcen = 5.0;
ycen = 0.;
zcen = 6.0;
xray2 = (x-xcen)^2 + (y-ycen)^2 + (z-zcen)^2;
mesh_viscosity_1 = 1;
if (xray2 < xr2) mesh_viscosity_1 = 1e10;</formula><implicitation_precision>1e-08</implicitation_precision><max_iterations_implicitation>20</max_iterations_implicitation><mesh_viscosity type="isotrop"/><monitor_point_synchronisation status="off"/><property label="mesh_vi1" name="mesh_viscosity_1"/><stress_prediction_alpha>2</stress_prediction_alpha><variable dimension="3" label="Mesh Velocity" name="mesh_velocity"/></ale_method><atmospheric_flows model="constant"><read_meteo_data status="off"/></atmospheric_flows><compressible_model model="off"/><conjugate_heat_transfer><external_coupling/></conjugate_heat_transfer><fans/><gas_combustion model="off" option="off"/><groundwater_model model="off"/><joule_effect model="off"/><radiative_transfer model="off"><absorption_coefficient type="constant">0</absorption_coefficient><restart status="off"/></radiative_transfer><reference_values><pressure>101325</pressure><temperature>293.15</temperature><velocity>1</velocity></reference_values><solid_fuels model="off"/><thermal_scalar model="off"><property label="Dimensionless Thermal flux" name="boundary_layer_nusselt" support="boundary"><postprocessing_recording status="off"/></property><property label="Boundary temperature" name="boundary_temperature" support="boundary"/><property label="Thermal flux" name="thermal_flux" support="boundary"/><property label="Tplus" name="tplus" support="boundary"><postprocessing_recording status="off"/></property></thermal_scalar><turbomachinery model="off"><joining/></turbomachinery><turbulence model="off"><initialization choice="reference_value" zone_id="1"/></turbulence><velocity_pressure><initialization><formula zone_id="1">velocity[0] = 1.;
velocity[1] = 0.;
velocity[2] = 0.;</formula></initialization><property label="Stress" name="stress" support="boundary"/><property label="Stress, normal" name="stress_normal" support="boundary"><postprocessing_recording status="off"/></property><property label="Stress, tangential" name="stress_tangential" support="boundary"><postprocessing_recording status="off"/></property><property label="total_pressure" name="total_pressure"/><property label="Yplus" name="yplus" support="boundary"/><variable label="Pressure" name="pressure"><rhs_reconstruction>2</rhs_reconstruction><solver_precision>1e-05</solver_precision></variable><variable dimension="3" label="Velocity" name="velocity"><blending_factor>1</blending_factor><rhs_reconstruction>1</rhs_reconstruction><solver_precision>1e-05</solver_precision></variable></velocity_pressure></thermophysical_models></Code_Saturne_GUI>

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