Learning Forum

[adib.aktab999]

/prep7

 

! Define Neo-Hookean material model for the solid skeleton (already defined)

! Elastic modulus: 0.06 MPa, Poisson's ratio: 0, Initial shear stress: 0.03 MPa

 

! Define porous media properties

TB,PM,7,,PERM  ! Activate porous media definition for permeability

TBDATA,7,45037  ! Permeability value (isotropic)

 

TB,PM,7,SP  ! Define solid properties for the skeleton

TBDATA,7,0.06,0  ! Bulk modulus of solid skeleton (0.06 MPa), specific weight (set to 0 if not used)

TB,PM,7,FP  ! Define fluid properties

TBDATA,7,0,0,0.45  ! Bulk modulus of fluid (0 for incompressibility), specific weight of fluid, porosity (1 - solid volume fraction)

 

! Note: Biot coefficient and Biot modulus are left undefined (default: Biot coefficient = 1)

this apdl creates a error:

*** ERROR ***                           CP =       2.781   TIME= 03:14:50

 TB,PM,,, has already been defined.  Please delete existing table to     

 overwrite                                                               

 

 

 NUMBER OF WARNING MESSAGES ENCOUNTERED=          0

 NUMBER OF ERROR   MESSAGES ENCOUNTERED=          1

 

How can I fix it?

 

[Erik Kostson]

Hi

I think the ** error ** msg tells how to fix it :).

Look at help manual command ref, for TB related commands to do what it says

Erik