Maximum number of iterations reached without convergence.

Simulating geometry at 24GHz for RCS in plane wave incident direction.

 

Solver stops with error: Maximum number of iterations reached without convergence.

Maximum number of iterations:                    500
 Stopping criterium (vector norm):        3.00000E-03
     Stopping after 500 iterations with a minimum residuum of  4.70936E-01
 ERROR   33498: Maximum number of iterations reached without convergence

 

 

Number of metallic triangles:               6226545                                                 max. triangles:    MAXNDR    =  6226545
 

 Number of metallic edges (MoM):       9339675  unknown:  9339675 (electr.)   max. edges:        MAXNKA    =  9339818
                  

 Number of basis funct. for MoM:         9339675  unknown:  9339675                max. basisf.       MAXNZEILE =  9339818
 Number of basis funct. for PO:              0  unknown:        0                               max. basisf.       MAXNKAPO  =        0

 

 

1. How to approach this problem?

 

 

Thank you.

 

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