SDELETE, SFIRST, SLAST, SINC, KNOCLEAN, LCHK
Deletes sections from the database.
SFIRSTFirst section ID to be deleted; defaults to first available section in the database.
SLASTLast section ID to be deleted; defaults to last available section in the database.
SINCIncrement of the section ID; defaults to 1.
KNOCLEANPretension element cleanup key (pretension sections only).
0  | —  | Perform cleanup of pretension elements (delete pretension elements and reconnect elements split during PSMESH).  | 
1  | —  | Do not perform cleanup.  | 
LCHKSpecifies the level of element-associativity checking:
NOCHECK  | —  | No element-associativity check occurs. This option is the default.  | 
WARN  | —  | When a section, material, or real constant is associated with an element, ANSYS issues a message warning that the necessary entity has been deleted.  | 
CHECK  | —  | The command terminates, and no section, material, or real constant is deleted if it is associated with an element.  |