Hydrostatic Pressure

PROPERTY LOAD HYDROSTA [load_name] [loadcase_no] part_name/ALL args

Argument Meaning

load_name FEMGEN load name.

loadcase_no FEMGEN loadcase number (links load to an ANSYS step).

part_name Geometry containing element faces.

arg1 Pressure at point name1.

arg2 Degree of Freedom Indicator (0,1,2,3), see also Table 7.5.

arg3 Point name1.

arg4 Point name2 where pressure is zero.

Notes:

1.

Valid part types are beams, plate edges, shell faces, brick faces.

2.

The degree of freedom indicator should be set to zero (normal) for plate and brick elements. It should be set to 1 or 2 for beams, following ANSYS convention. For shell elements, if the degree of freedom indicator is set to zero then the interface program writes it as direction 1 in ANSYS convention. If it is different from zero, its value (1 or 2) should follow ANSYS convention.

3.

Local Coordinate System attached to Hydrostatic Pressure load is not supported.

Example FEMGEN Command:

   
PROPERTY LOAD HYDROSTA LO1 1 L2 -100.00 0 P2 P3

Corresponding ANSYS Input Deck:

 
SFGRAD,PRES,0,Y, 0.0000000    ,  1.000000    
SFE,       2,2,PRES,, -100.0000    ,,,
SFE,       4,2,PRES,, -100.0000    ,,,
SFGRAD

Example FEMGEN Command:

   
PROPERTY LOAD HYDROSTA LO1 1 ALL -100.00 1 P1 P3

Corresponding ANSYS Input Deck, for beams:

                               
SFBEAM,       1,1,PRES, -50.00000    , -62.50000    
SFBEAM,       2,1,PRES, -62.50000    , -75.00000    
SFBEAM,       3,1,PRES, -75.00000    , -87.50000    
SFBEAM,       4,1,PRES, -87.50000    , -100.0000    
SFBEAM,       5,1,PRES, 0.0000000    , -12.50000    
SFBEAM,       6,1,PRES, -12.50000    , -25.00000    
SFBEAM,       7,1,PRES, -25.00000    , -37.50000    
SFBEAM,       8,1,PRES, -37.50000    , -50.00000