Use the Free Shape panel to define design domains for free shape
        optimization.
Location: Analysis page > Optimization panel
Note: Only available in the OptiStruct solver interface.
 
Create Subpanel
            
                
                            
                                | Option | 
                                Action | 
                            
                        
                            
                            
                                | desvar | 
                                Specify a name for the design variable. | 
                            
                            
                                | nodes / set | 
                                Select surface or edge nodes that are to form part
                    of the free shape design space. | 
                            
                        
 
             
Update Subpanel
            
                
                            
                                | Option | 
                                Action | 
                            
                        
                            
                            
                                | desvar | 
                                Specify a name for the design variable. | 
                            
                            
                                | nodes / set | 
                                Select surface or edge nodes that are to form part
                    of the free shape design space. | 
                            
                        
 
             
Parameters Subpanel
            
                
                            
                                | Option | 
                                Action | 
                            
                        
                            
                            
                                | desvar | 
                                Specify a name for the design variable. | 
                            
                            
                                | direction | 
                                Choose a direction
                                    constraint. You can choose to allow the structure to grow only,
                                    to shrink only or not to enforce any direction constraints
                                    (default). | 
                            
                            
                                | smoothing
                                    method | 
                                Choose between
                                    optimized for speed or optimized for accuracy | 
                            
                            
                                | options | 
                                Display further
                                    options. | 
                            
                            
                                | nsmooth | 
                                Specify the desired
                                    number of smoothing layers. | 
                            
                            
                                | mvfactor | 
                                Specify the initial
                                    maximum perturbation factor. | 
                            
                        
 
             
Draw/Extr Subpanel
            
                
                            
                                | Option | 
                                Action | 
                            
                        
                            
                            
                                | desvar | 
                                Specify a name for the design variable. | 
                            
                            
                                | draw type | 
                                Select none or
                                    single. | 
                            
                        
 
             
Pattern Grouping Subpanel
            
                
                            
                                | Option | 
                                Action | 
                            
                        
                            
                            
                                | desvar | 
                                Specify a name for the design variable. | 
                            
                            
                                | pattern type | 
                                Select none or 1-pln
                                    sym. | 
                            
                        
 
             
Gridcon Subpanel
            
                
                            
                                | Option | 
                                Action | 
                            
                        
                            
                            
                                | desvar | 
                                Specify a name for the design variable. | 
                            
                            
                                | constraint
                                    type | 
                                Select fixed, vector
                                    or planar. | 
                            
                        
 
             
Sidecon Subpanel
            
                
                            
                                | Option | 
                                Action | 
                            
                        
                            
                            
                                | desvar | 
                                Specify a name for the design variable. | 
                            
                        
 
             
Command Buttons
            
                
                            
                                | Button | 
                                Action | 
                            
                        
                            
                            
                                | create | 
                                Create the design
                                    variable. | 
                            
                            
                                | edit | 
                                Only appears when
                                    "set" is selected. Opens the Entity Sets panel to update the
                                    selected set. | 
                            
                            
                                | reject | 
                                Revert the most recent
                                    changes. | 
                            
                            
                                | review | 
                                Review the design
                                    variable in the modeling window. | 
                            
                            
                                | update | 
                                Update the design
                                    variable with the most recent changes. | 
                            
                            
                                | return | 
                                Exit the
                                    panel. |