Warning in volume definition

RAMGANESH

Dear ALL,

 

 

 

WARNING ID :          329
** WARNING IN VOLUME DEFINITION
DESCRIPTION :  
   -- MONITORED VOLUME ID : 8
   -- MONITORED VOLUME : rl2
   NEGATIVE VOLUME DUE TO A WRONG ELEMENT ORIENTATION
     INITIAL SURFACE OF MONITORED VOLUME . .=  0.000000000000    
     SURFACE ERROR(NE.0 FOR NON CLOSED SURF)=  0.000000000000    
     INITIAL VOLUME OF MONITORED VOLUME. . .=  0.000000000000    
     GAMMA . . . . . . . . . . . . . . . . .=  1.400000000000    
     VOLUMIC VISCOSITY . . . . . . . . . . .= 1.0000000000000E-02
     EXTERNAL PRESSURE . . . . . . . . . . .= 1.0000000000000E-02
     INITIAL PRESSURE. . . . . . . . . . . .= 0.5000000000000    
     BURSTING PRESSURE . . . . . . . . . . .= 1.0000000000000E+30
     INCOMPRESSIBLE VOLUME.. . . . . . . . .=  0.000000000000    
     INITIAL MASS. . . . . . . . . . . . . .=  0.000000000000    
     VENT HOLES                              
     ----------                              
     NUMBER OF VENT HOLES. . . . . . . . . .=         0

     VOLUME NUMBER          9

     TYPE OF MONITORED VOLUME. . . . . . . .=         3
     EXTERNAL SURFACE ID . . . . . . . . . .=    149119
     UNIT SCALE FOR TIME FUNCTIONS          =  1.000000000000    
     UNIT SCALE FOR PRESSURE FUNCTIONS      =  1.000000000000    
     UNIT SCALE FOR AREA FUNCTIONS          =  1.000000000000    
     UNIT SCALE FOR ANGLE FUNCTIONS         =  1.000000000000    
     UNIT SCALE FOR DISTANCE FUNCTIONS      =  1.000000000000    

 

Kindly give your suggestions

 

Thanks

RAM
 

Altair Forum User

Normally this happens when solid elements are very deformed and their characteristic length goes to 0.

Did you run this analysis?

Please share the complete out files.

RAMGANESH

Dear George,

 

There is no solid elements in the model.Analysis is completed ,but just i want to know what warning it is & its cause.

 

Thanks

Ram

Altair Forum User

For MONVOL creation,  the element normal should be facing outward. Check and correct it.