This function computes the equivalent tensor viscosity at faces for a 3x3 symetric tensor.  
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This function computes the equivalent tensor viscosity at faces for a 3x3 symetric tensor. 
      
        
          | subroutine symmetric_matrix_inverse | ( | double precision, dimension(6) | sout, | 
        
          |  |  | double precision, dimension(6) | s | 
        
          |  | ) |  |  | 
      
 
- Parameters
- 
  
    | [out] | sout | sout = s1 * s2 |  | [in] | s | symmetric matrix |  
 
 
 
      
        
          | subroutine vistnv | ( | integer | imvisf, | 
        
          |  |  | double precision, dimension(6, ncelet), target | w1, | 
        
          |  |  | double precision, dimension(3,3,nfac) | viscf, | 
        
          |  |  | double precision, dimension(nfabor) | viscb | 
        
          |  | ) |  |  | 
      
 
- Parameters
- 
  
    | [in] | imvisf | method to compute the viscosity at faces: 
0: arithmetic1: harmonic  |  | [in] | w1 | cell viscosity symmetric tensor |  | [out] | viscf | inner face tensor viscosity (times surface divided distance) |  | [out] | viscb | inner face viscosity (surface, must be consistent with flux BCs) |