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    Global optimisation of the car front-end geometry to minimise pedestrian head injury levels

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    global_optimisation_of_car_frontend_geometry_to_minimise_pedestrian_head_injury_levels.pdf (795.4Kb)
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    Publication date
    2019-07
    Author
    Kianifar, Mohammed R.
    Campean, I. Felician
    Keyword
    Passive pedestrian safety
    Collaborative optimisation strategy
    Front-car optimisation
    Head injury minimisation
    Rights
    © 2019 The authors. This work is licensed under a Creative Commons Attribution 4.0 International License. http://creativecommons.org/licenses/by/4.0/
    Peer-Reviewed
    Yes
    
    Metadata
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    Abstract
    The paper presents a multidisciplinary design optimisation strategy for car front-end profile to minimise head injury criteria across pedestrian groups. A hybrid modelling strategy was used to simulate the car-pedestrian impact events, combining parametric modelling of front-car geometry with pedestrian models for the kinematics of crash impact. A space filling response surface modelling strategy was deployed to study the head injury response, with Optimal Latin Hypercube (OLH) Design of Experiments sampling and Kriging technique to fit response models. The study argues that the optimisation of the front-end car geometry for each of the individual pedestrian models, using evolutionary optimisation algorithms is not an effective global optimization strategy as the solutions are not acceptable for other pedestrian groups. Collaborative Optimisation (CO) multidisciplinary design optimisation architecture is introduced instead as a global optimisation strategy, and proven that it can enable simultaneous minimisation of head injury levels for all the pedestrian groups, delivering a global optimum solution which meets the safety requirements across the pedestrian groups.
    URI
    http://hdl.handle.net/10454/17020
    Version
    Accepted manuscript
    Citation
    Kianifar MR and Campean IF (2019) Global optimisation of the car front-end geometry to minimise pedestrian head injury levels. Proceedings of the International Conference on Engineering Design (ICED 2019). 5-8 Aug, Delft, Netherlands. 1(1): 2873-2882.
    Link to publisher’s version
    https://doi.org/10.1017/dsi.2019.294
    Type
    Conference paper
    Collections
    Engineering and Informatics Publications

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