This widget is used to enter enter information relative to the results field to be written on the file 
having the extension ".rdt".
Information to indicate varie according the option retained:
-  An integer n (for the option  every n time step ).
 It means that every n time step a complete result field will be written 
in the file having the extension ".rdt". For large mesh, choosing a too small number n (positive integer)
may induce very large files and is also quite costly in terms of CPU time. 
-   A positive real number x (for the option   every x seconds ). It means that every x seconds  a complete result field will be written 
in the file having the extension ".rdt". Again a too small value x (with respect to the duration of the 
transient to be simulated), may induce a large number of intermediate fields (especially with the automatic time step), since interpolated fields may be generated when x is smaller 
than the time step used. 
-  A list of real (for the option  time list ). This list corresponds to a the instants (given in seconds - for exemple two hours and 10 hours should be indicated 7200. 36000.) for which complete result fields will be written in a result file having the extension ".rdt" 

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 SYRTHES version   : VERSION_SYRTHES
 Name help file  : Le_2D_Op.html
 I. Rupp, C. Peniguel  -  may 2014
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