MDO（多学科优化设计）技术适用于解决复杂工程系统和子系统的设计优化。为推广多学科优化设计技术在舰船总体设计中的应用，阐述了多学科优化技术的基本理论、研究和发展应用情况，系统介绍了协同优化算法的应用环境、特征和基本原理，将舰船总体设计根据MDO的要求分解为浮态与稳性、水动力性能、造价等5个子学科并进行了学科分析，基于多目标协同优化算法建立了舰船总体优化的数学模型及优化框架。%MDO (Multi-disciplinary Design Optimization) method is applicable for the design optimization of complicated engineering systems and subsystems. In order to promote the MDO method in ship overall design, this paper elaborates its basic theories, researches and developments. The working environment, features and basic principles of collaborative optimization are systematically introduced. Ship overall design is separated into five sub-disciplines according to the MDO requirements, such as floatation, stability, hydrodynamic performance and construction cost. The ship overall design optimization mathematical model and optimization framework based on multi-objective collaborative optimization algorithm are established.
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