sunfluidh:simulation_management_setup_namelist
Différences
Ci-dessous, les différences entre deux révisions de la page.
Les deux révisions précédentesRévision précédenteProchaine révision | Révision précédenteProchaine révisionLes deux révisions suivantes | ||
sunfluidh:simulation_management_setup_namelist [2016/11/12 13:04] – yann | sunfluidh:simulation_management_setup_namelist [2016/11/13 12:38] – yann | ||
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Ligne 2: | Ligne 2: | ||
This data setup allows the user to set the time parameters of the code in order to : | This data setup allows the user to set the time parameters of the code in order to : | ||
* perform the numerical simulation (time step, stopping criteria...) | * perform the numerical simulation (time step, stopping criteria...) | ||
- | * record the results associated to time series of probes, instantaneous quantity fields, statistical quantities. | + | * record the results associated to time series of probes, instantaneous |
* record the backup/ | * record the backup/ | ||
+ | As some variables of this namelist can be related to another namelist (i.e. the variable " | ||
----- | ----- | ||
==== Restart_Parameter ==== | ==== Restart_Parameter ==== | ||
Ligne 16: | Ligne 17: | ||
* Type : Boolean value | * Type : Boolean value | ||
- | * Activation of the stopping criterion for steady flow (based on the L2-norm of the time variation of quantities). | + | * Activation of the stopping criterion for steady flow (based on the L2-norm of the time variation of physical |
==== Steady_Flow_Stopping_Criterion ==== | ==== Steady_Flow_Stopping_Criterion ==== | ||
* Type : Real value | * Type : Real value | ||
- | * When the L2-norm of the time variation of quantities is lower than this value, the simulation is stopped and the solution corresponds to a steady flow. | + | * When the L2-norm of the time variation of physical |
==== Number_Temporal_Iterations ==== | ==== Number_Temporal_Iterations ==== | ||
* Type : Integer value | * Type : Integer value | ||
Ligne 31: | Ligne 32: | ||
* Selection of way to define the numerical time step : | * Selection of way to define the numerical time step : | ||
* 0 : The time step is constant and defined by the user by means of the variable " | * 0 : The time step is constant and defined by the user by means of the variable " | ||
- | * -1 : The time step evolves lineraly between the values given by " | + | * -1 : The time step evolves lineraly between the values given by " |
- | * 1 : The time step is calculated for each time iteration by means of the CFL parameter. The CFL parameter can be constant, it is thus defined by the variable " | + | * 1 : The time step is calculated for each time iteration by means of the CFL parameter. The CFL parameter can be constant, it is thus defined by the variable " |
- | ==== | + | ==== Timestep_min ==== |
+ | * Type : Real value | ||
+ | * Minimum value of the time step. This variable can be omitted when the time step is constant. | ||
+ | ==== Timestep_max ==== | ||
+ | * Type : Real value | ||
+ | * Maximum value of the time step. This variable set the value of the time step when it is constant. | ||
+ | ==== CFL_min ==== | ||
+ | * Type : Real value. This variable can be omitted when the time step is constant. | ||
+ | * Minimum value of the CFL parameter. | ||
+ | ==== CFL_max ==== | ||
+ | * Type : Real value | ||
+ | * Maximum value of the CFL parameter. This variable set the value of the CFL parameter when it is constant. | ||
+ | ==== Iterations_For_Timestep_Linear_Progress ==== | ||
+ | * Type : Integer value | ||
+ | * Number of time iterations over which the CFL parameter or the time step can evolve | ||
+ | ==== Simulation_Backup_Rate ==== | ||
+ | * Type : Integer value | ||
+ | * This variable defines the recording rate, __in time iteration units__ , of the backup files (for instance, when "Simulation_Backup_Rate=1000" | ||
+ | ==== Field_Recording_Rate ==== | ||
+ | * Type : Real value | ||
+ | * This variable defines the recording rate, __in time units__ , of instantaneous fields (for instance, when "Field_Recording_Rate=1.5" an instantaneous field file is created as soon as the time value is a multiple | ||
+ | ==== Start_Time_For_Statistics ==== | ||
+ | * Type : Real value | ||
+ | * Time from which the statistical fields are calculated. | ||
+ | ==== Time_Range_Statistic_Calculation ==== | ||
+ | * Type : Real value | ||
+ | * Time range over which statistical fields are calculated. When this time range has been covered, statistical fields are recorded in a file named rst_xxxxxxx_yyyyy.d (' | ||
+ | ==== Probe_Recording_Rate ==== | ||
+ | * Type : Integer value | ||
+ | * This variable defines the recording rate, __in time iteration units__ , of time series associated to the probes distributed over the domain (see the namelist " |
sunfluidh/simulation_management_setup_namelist.txt · Dernière modification : 2022/01/10 10:34 de yann