====== P Command ====== P,,,,, Defines a nonlinear panel. This command associates nonlinear model data with a shell group to create a nonlinear panel. This command does not define any new groups or elements and no linear model information is changed by this command. All shells in a panel group should be coplanar. Coplanar shell groups can be created by using the [[com:WALLFLR]] command. * num - panel number * group - group number * bbc - back bone curve number * disp - displacement type * force - force option