Bulk Data Entry Defines a multibody solver variable which can be
        referred to by multiple expressions.
Format
                        
                            | (1) | 
                            (2) | 
                            (3) | 
                            (4) | 
                            (5) | 
                            (6) | 
                            (7) | 
                            (8) | 
                            (9) | 
                            (10) | 
                        
                    
                        
                            | MBVAR | 
                            VID | 
                            EXPR | 
                        
                    
 
Example
                        
                            | (1) | 
                            (2) | 
                            (3) | 
                            (4) | 
                            (5) | 
                            (6) | 
                            (7) | 
                            (8) | 
                            (9) | 
                            (10) | 
                        
                    
                        
                            | MBVAR | 
                            3 | 
                            IMPACT(Dz(30301020,30302040),VZ(30301020,30302040),0.0,4 | 
                        
                        
                             | 
                            00,1.0,0.5,0.000) | 
                        
                    
 
        Definitions
            
            
                
                            
                                | Field | 
                                Contents | 
                                SI Unit Example | 
                            
                        
                            
                                | VID | 
                                Variable
                                    identification number. (Integer > 0)  | 
                                 | 
                            
                            
                                | EXPR | 
                                Character string
                                    expression. The expression can spawn multiple lines. The
                                    continuation lines will start from the second column. Refer to
                                        Function Expressions. | 
                                 | 
                            
                        
 
             
        
Comments
            - The variable ID can be referenced by
                    VARVAL(VID) in multiple expressions in the model.