A mixed continuous and discrete nonlinear constrained algorithm for optimizing ship hull structural design |
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| Authors: | Oscar B Augusto Alexandre Kawano |
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| Institution: | Universidade de São Paulo-Departamento de Engenharia Naval e Oceânica, Av. Prof Mello Moraes, 05508-900-São Paulo, São Paulo, Brazil |
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| Abstract: | A nonlinear search algorithm for optimizing constrained design of ship structures is presented. The decision variables can be continuous or discrete and the constraints can be homogeneous or inequality nonlinear functions of those variables. The algorithm does not use gradients; therefore, it can work with non-systematized functions such as tables or another class of design routine. It was tested in the structural design of a Patrol Boat and has proved to be a powerful tool decreasing the time expended in preliminary design when it is done by the conventional spiral approach. |
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| Keywords: | Hulls (ship) Structural analysis Algorithms Optimization Constraint theory Nonlinear search algorithms |
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