Research Article
Optimal Design of Submarine Pipelines by a Genetic Algorithm with Embedded On-Bottom Stability Criteria
Table 9
Parameters of the violation functions associated with hard criteria/constraints.
| Criterion | Violation factors , (16) | Parameter | Values | Scenario | Scenario | Scenario | Scenario |
| Interference with obstacles | 5 | 1 | Severity values, (22) | Level 2 (red) | 1 | Level 3 (black) | 100 | Self-crossing | 1 | 10 | - - | - - | - - | Min. length of straight sections | 1 | 1 | , (24) | 100 m | 500 m | Min. radius of curvature | 1 | 1 | , (26) | Friction coefficient (μ) | According to Table 5 | Residual tension () | 500 kN | Pipe weight | Calculated from pipeline properties (Table 4) |
|
|