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SCIENTIA SINICA Informationis, Volume 48, Issue 7: 783-793(2018) https://doi.org/10.1360/N112017-00299

MBSE-based multidisciplinary modeling for designing turbine blade cooling structures

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  • ReceivedDec 30, 2017
  • AcceptedFeb 14, 2018
  • PublishedJul 20, 2018

Abstract

Complex engineering design requires building a considerable number of multidisciplinary models, among which a plethora of “isolated islands" and description inconsistencies were created by conventional engineering design approaches. To enhance the global performance measures of a complex engineering system, engineers must bridge these isolated models, eliminate model inconsistencies, and effectively analyze system-model interactions. Systems engineering approaches appear to be essential to multidisciplinary design optimization of complex engineering systems. Here, unified multidisciplinary modeling of complex engineering systems is addressed by using the model-based systems engineering (MBSE) methodology. Following the MBSE principles, this work builds up an integrated hierarchy of geometric, aerodynamics, heat transfer, structure dynamics, and design optimization models, which are used to support the development of turbine blade cooling structures. MBSE approaches break through traditional disciplinary boundaries and adopt a standard modeling language to build coherent models describing various disciplinary phenomena of interest. Implementations of MBSE approaches in conjunction with SysML models are expected to identify and eliminate readily the model inconsistencies, boost integration of multidisciplinary models, and increase engineering design efficiency significantly.


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