====== MOPT Command ====== MOPT, ,,, defines the following model options: * - incompatible mode for solid elements * 0 - include * 1 - suppress * - matrix option for general elements * 0 - mass units * 1 - weight units * - overwrite masses option * 0 - add * 1 - set * - overwrite forces option * 0 - add * 1 - set **Note:** This instruction is provided for input files. To set the model options from the ACS SASSI [[SASSI:PREP]] or [[SASSI:acs-sassi_user_interface| SASSI User Interface]], use the Options / Model menu option.