Multidisciplinary design optimization (MDO) of a full vehicle under the constraints of crashworthiness, NVH (Noise, Vibration and Harshness), durability, and other performance attributes is one of the imperative goals for automotive industry. However, it is often infeasible due to the lack of computational resources, robust simulation capabilities, and efficient optimization methodologies. This paper intends to move closer towards that goal by using parallel computers for the intensive computation and combining different approximations for dissimilar analyses in the MDO process. The MDO process presented in this paper is an extension of the previous work reported by Sobieski et al. In addition to the roof crush, two full vehicle crash modes are added: full frontal impact and 50% frontal offset crash. Instead of using an adaptive polynomial response surface method, this paper employs a DOE/RSM method for exploring the design space and constructing highly nonlinear crash functions. Two NMO strategies are used and results are compared. This paper demonstrates that with high performance computing, a conventionally intractable real world full vehicle multidisciplinary optimization problem considering all performance attributes with large number of design variables become feasible.


    Zugriff

    Zugriff über TIB

    Verfügbarkeit in meiner Bibliothek prüfen


    Exportieren, teilen und zitieren



    Titel :

    Multidisciplinary Design Optimization of a Full Vehicle with High Performance Computing


    Beteiligte:
    Yang, R. J. (Autor:in) / Gu, L. (Autor:in) / Tho, C. H. (Autor:in) / Sobieszczanski-Sobieski, Jaroslaw (Autor:in)

    Kongress:

    42nd AIAA/AMSE/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference and Exhibit ; 2001 ; Seattle, WA, United States


    Erscheinungsdatum :

    2001-01-08


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Keine Angabe


    Sprache :

    Englisch


    Schlagwörter :



    AIAA-2001-1273 Multidisciplinary Design Optimization of a Full Vehicle with High Performance Computing

    Yang, R. / Gu, L. / Tho, C. et al. | British Library Conference Proceedings | 2001



    Reliability-Based Multidisciplinary Design Optimization of a Full Vehicle System

    Yang, R. J. / Gu, L. / Tho, C. H. et al. | AIAA | 2002


    Reliability-Based Multidisciplinary Design Optimization of a Full Vehicle System

    Yang, R. / Choi, K. / Gu, L. et al. | British Library Conference Proceedings | 2002