System Modeling Framework and MDO Tool Integration: MBSE Methodologies Applied to Design and Analysis of Space System

This paper presents the results of a research study related to the integration of a Design Optimization Framework in a Model Based System Engineering (MBSE) environment. The main aim of this work concerns the feasibility of such connection in order to assess actual advantages and possible drawbacks. The objective is to show how the Multidisciplinary Design Optimization (MDO) methods may be managed in the context of a MBSE environment with respect to the traditional design approach. Basically this analysis is addressed to the demonstration of the benefits of MBSE methodology in the field of aerospace engineering. The state of the art of the considered methodology is briefly introduced in the first part of the paper. The following part concerns the description of the modeling activities that have been used to define system characteristics. System data model is defined through a Domain Specific Language (DSL) on the basis of MBSE paradigm and managed through a web application tool. Design optimization functionalities are also integrated within this framework to assess if possible advantages can be obtained. A test case is presented in the following section, reporting the results reached and discussing their meaning. A comparison between the MBSE approach and the traditional one is then proposed in the final section.

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