ViewFactors
Posted: 21 Dec 2022, 18:22
I got the error in Viewfactor calculation
Inconsistent number of parents found 4134 (vs. 4164)
I noticed this is a test on nsurf. But it is not completely clear what is checked.
The error appears after changing the mesh density in gmsh.
With another mesh the error does not appear and everything works.
So I am wondering wher I should look for curing this problem.
The full output of this section was:
ViewFactors: Computing view factors for radiation body 1
ViewFactors: Number of surfaces participating in radiation: 4164
ViewFactors: Computing viewfactors...
Combining original boundary elements for shading
The combined set includes 838 line segments (vs. 4164)
Inconsistent number of parents found 4134 (vs. 4164)
ViewFactors: View factors computed in time (s): 39.82 39.95
ViewFactors:
ViewFactors: Viewfactors before manipulation:
ViewFactors: Minimum row sum: 9.895E-01
ViewFactors: Maximum row sum: 1.000E+00
ViewFactors: Number of rowsums below 0.5 is: 14 (out of 4164)
ViewFactors: Normalizaing Factors...
ViewFactors: Normalization iteration 1: 1.073E-08
ViewFactors: Normalization iteration 2: 2.169E+02
ViewFactors: Normalization iteration 3: 3.921E+17
ViewFactors: Normalization iteration 4: 6.504E+21
ViewFactors: Normalization iteration 5: 4.368E+50
ViewFactors: Normalization iteration 6: 1.400E+58
ViewFactors: Normalization iteration 7: 2.137E+70
ViewFactors: Normalization iteration 8: 4.173E+72
ViewFactors: Normalization iteration 9: 4.341E+84
ViewFactors: Normalization iteration10: 1.390E+89
ViewFactors: Normalization iteration11: 1.108+150
ViewFactors: Normalization iteration12: 5.165+159
Inconsistent number of parents found 4134 (vs. 4164)
I noticed this is a test on nsurf. But it is not completely clear what is checked.
The error appears after changing the mesh density in gmsh.
With another mesh the error does not appear and everything works.
So I am wondering wher I should look for curing this problem.
The full output of this section was:
ViewFactors: Computing view factors for radiation body 1
ViewFactors: Number of surfaces participating in radiation: 4164
ViewFactors: Computing viewfactors...
Combining original boundary elements for shading
The combined set includes 838 line segments (vs. 4164)
Inconsistent number of parents found 4134 (vs. 4164)
ViewFactors: View factors computed in time (s): 39.82 39.95
ViewFactors:
ViewFactors: Viewfactors before manipulation:
ViewFactors: Minimum row sum: 9.895E-01
ViewFactors: Maximum row sum: 1.000E+00
ViewFactors: Number of rowsums below 0.5 is: 14 (out of 4164)
ViewFactors: Normalizaing Factors...
ViewFactors: Normalization iteration 1: 1.073E-08
ViewFactors: Normalization iteration 2: 2.169E+02
ViewFactors: Normalization iteration 3: 3.921E+17
ViewFactors: Normalization iteration 4: 6.504E+21
ViewFactors: Normalization iteration 5: 4.368E+50
ViewFactors: Normalization iteration 6: 1.400E+58
ViewFactors: Normalization iteration 7: 2.137E+70
ViewFactors: Normalization iteration 8: 4.173E+72
ViewFactors: Normalization iteration 9: 4.341E+84
ViewFactors: Normalization iteration10: 1.390E+89
ViewFactors: Normalization iteration11: 1.108+150
ViewFactors: Normalization iteration12: 5.165+159