Input Files 



107. The model DYNLETl uses four input files , named START.DAT, SEC- 

 TION. DAT, EXTER.DAT, and PARAM.DAT, and it generates five output files as 

 shown in Figure 5. Examples of input files are given in Appendices A and B 

 for the two examples presented in Parts V and VI . In this section the input 

 files are discussed. 



START ■ DAT 



108 . As many as 100 comment lines can be placed at the beginning or 

 header of the START.DAT file. Comment lines are identified by an asterisk in 

 Column 1. Titles, identifications, notes, and miscellaneous useful informa- 

 tion can be entered in these lines. After the header, the main file consists 

 of data groups . and each data group consists of one or more data sets . A data 

 set consists of a single identifier title line followed by lines of data. As 

 many lines of data as needed may be used. All data are input in free format 

 (irrespective of number of digits or characters, location on line, or spacing 



START.DAT 



SECTION.DAT 



EXTER.DAT 



PARAM.DAT 



^ 



D 







Y 

 N 













L 









^ 



F 







T 

 1 





- 





INLET.OUT 

 CHANNEL.DAT 

 SUMMARY.OUT 

 QPLOT.DAT 

 - TIDE. DAT 



Figure 5 . DYNLETl input and output file structure 



41 



