Mathematical Problems in Engineering / 2018 / Article / Tab 9

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.

CriterionViolation factors , (16)ParameterValues
Scenario Scenario Scenario Scenario

Interference with obstacles51Severity values, (22)
 Level 2 (red)1
 Level 3 (black)100
Self-crossing110------
Min. length of straight sections11, (24)100 m500 m
Min. radius of curvature11, (26)
 Friction coefficient (μ)According to Table 5
 Residual tension ()500 kN
 Pipe weight Calculated from pipeline
properties (Table 4)