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    Why Do Surrogate Modelling?

    Surrogate Modelling for Engineering Optimisation


    The NAFEMS Optimisation Working Group (OWG) wishes to commission a new document with the suggested title title “How to Do Surrogate Modelling”.

    This document is aimed at addressing surrogate modelling in the context of engineering optimisation, as part of NAFEMS OWG’s mission to promote the use of optimisation for the engineering community and to provide practical guidance for practitioners. Computer Aided Engineering tools are commonly used to develop product designs and to perform associated performance analysis. Such tools are used to solve engineering problems with an ever increasing level of complexity. The associated computational time/cost means it is often impractical to carry out a comprehensive engineering optimisation study. Surrogate modelling is a very useful tool for addressing such challenges. Surrogate modelling has also become more relevant lately as data-driven modelling started replacing physics-based modelling due to increased availability of field or test data.

    Intended Readership

    The intended readership consists of design, analytical and quality engineers and engineering managers responsible for developing optimal and robust products and for ensuring that assets are operated optimally. The document is expected to provide the readers with an introduction to best practice in the development and application of surrogate models to solve engineering optimisation problems, illustrated by reference to various test case examples.


    The document is expected to provide a detailed introduction to surrogate modelling for engineering optimisation:

    • Challenges faced by engineering optimisation
    • Common types of surrogate modelling techniques
    • Process for building surrogate models
    • Evaluating surrogate model qualities/accuracies
    • Approaches for surrogated model assisted optimisation
    • Surrogate model for stochastic uncertainty propagation (robust optimisation)

    The document is expected to provide 4-6 chapters demonstrating the application of various types of surrogate modelling techniques to different test cases from industry. The test cases should represent different use case scenarios and demonstrate clear motivation for the choice of different surrogate model techniques. Strengths and limitations of the applied methods should be discussed. The anticipated length of the document is 75 pages, A5.


    The total cost is not expected to exceed £6000 (GBP), and it is expected that the document will be completed within 12 months from NAFEMS approval.

    Guidance for Proposals

    Each proposal should consist of:

    • The proposed structure of the document with the titles of the sections to be developed
    • Work plan including milestones and interim deliveries for early review
    • Cost
    • Estimated number of pages
    • The authors' credentials, curriculum vitae, etc. Proposals from single authors and consortia will be considered.
    • A listing of any competencies from the Optimisation Technical Area of the NAFEMS Professional Simulation Engineer Scheme that the publication will address.  


    All proposals should be sent to the Chairman of the Optimisation Working Group and the NAFEMS Technical Officer NAFEMS at to arrive no later than 1st of April 2018. Further details are available from the NAFEMS Technical Officer and OWG chairman who are contactable via