FreeFieldTechnologies/mono_500Hz
3D vibro-acoustic problem, aircraft engine nacelle. M. Gontier
| Name | mono_500Hz | 
| Group | FreeFieldTechnologies | 
| Matrix ID | 2215 | 
| Num Rows | 169,410 | 
| Num Cols | 169,410 | 
| Nonzeros | 5,033,796 | 
| Pattern Entries | 5,036,288 | 
| Kind | Acoustics Problem | 
| Symmetric | No | 
| Date | 2008 | 
| Author | M. Gontier | 
| Editor | T. Davis | 
 
 
| Structural Rank | 169,410 | 
| Structural Rank Full | true | 
| Num Dmperm Blocks | 2 | 
| Strongly Connect Components | 2 | 
| Num Explicit Zeros | 2,492 | 
| Pattern Symmetry | 100% | 
| Numeric Symmetry | 82.1% | 
| Cholesky Candidate | no | 
| Positive Definite | no | 
| Type | complex |