| Description | Type | Default | 
|---|---|---|
|  
				   Option to control the reversion of tension-only shell elements. Setting FIXNLTOQUAD to ON prevents elements that have reverted to tension-only from changing back to standard shell elements if the element load state changes from compression to tension. The ON setting is recommended for better convergence and solution stability.  | 
 
				   ON/OFF  | 
 
				   ON  |