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Optimisation Special Interest Group


Scope

The Optimisation Working Group has formed a Special Interest Group (SIG) in order to help disseminate best practice and encourage the adoption of optimisation methods and technology. 

To participate in the Optimisation SIG you do not have to be an expert in this technical area. The Optimisation SIG is for NAFEMS members who are interested in expanding their capabilities in the optimisation technical area.  

The Optimisation Special Interest Group is open to all NAFEMS members with an interest in Optimisation. 

Non-NAFEMS members are invited to attend one event of their choice. Attendance of more than one event is reserved as a benefit for NAFEMS members.


Upcoming Technical Meetings


26th March 2019 at 16:00 UK time 

Dr Dirk Wunsch, Numeca International

Presentation Title: The UMRIDA project (Uncertainty Management for Robust Industrial Design in Aeronautics) - Project summary, results and future challenges.

Background: The UMRIDA project was funded under the 7th Framework Programme (FP7) by the European Union and run from 2013 to 2016, coordinated by NUMECA Int. Its main research focus was Uncertainty Quantification (UQ) and Robust Design Optimization (RDO) applied to the industrial design practice by means of high-fidelity virtual prototyping, i.e. full scale 3D Computational Fluid Dynamics (CFD) and Computational Structural Mechanics (CSM), including aero-acoustic and combustion applications. The project successfully helped to bridge the gap from basic research levels to a Technology Readiness Level (TRL) of 5-6, where large numbers of simultaneous (operational, geometrical and manufacturing) uncertainties can be treated in complex industrial analysis and design. 

Synopsis: The present talk will focus on the findings and best practices collected by the 21 academic and industrial research partners and showcase the main outcomes centred around:

    • The construction of a novel and unique database of industrial relevant challenges with prescribed uncertainties;

    • The UMRIDA quantifiable objective: "development and application of UQ methods for large number of uncertainties (>10) within an acceptable CPU return time of 10h on no more than 100 cores parallel processors including multidisciplinary applications";

    • Application to industrial challenges and hereby increasing the Technology Readiness Level (TRL) from 2-3 at project start to 5-6 at project end.

    It will be shown that all types of propagation techniques investigated, could be accelerated during the project: Polynomial chaos and collocation methods saw a speed-up by a factor 5 to 18, Monte-Carlo and sampling techniques a speed-up by a factor 5 to 10 and intrusive perturbation techniques a speed-up by a factor of 2.5. This was a major and necessary step towards industrial applicability of UQ methods. A fully integrated industrial software environment will be presented, which aims at reducing the user experienced complexity of these methods and allows the analysis and design of complex industrial configurations.


    Finally, future challenges identified by the consortium members and taken from the industrial practice will be presented.

    Details of previous presentations are provided below.




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    Previous Technical Meetings


    19th April 2018 at 16:00 UK time 

    Professor Kalyanmoy Deb, Michigan State University

    Presentation Title: Customized Optimization for Practical Problem Solving

    Click to access the meeting recording


    4th December 2017 at 13:00 UK time 

    Professor Qingfu Zhang, City University of Hong Kong

    Presentation Title: Recent Progress on MOEA/D

    Click to access the meeting recording
    Click to download the presentation


    25th October 2017 at 16:00 UK time

    Professor Andy Keane, University of Southampton

    Presentation Title: The use of optimization tools to support design improvement decisions.

    Click to access the meeting recording
    Click to download the presentation


    4th September 2017 at 16:00 UK time

    Professor Charles Hirsch & Dr Dirk Wunsch, NUMECA International

    Presentation Title: The Impact of Uncertainty Quantification in Optimization: Towards Robust Design Optimization

    Click to access the meeting recording
    Click to download the presentation


    24th April 2017 at 16:00 UK time


    Dr Pranay Seshadri, University of Cambridge

    Presentation Title: Turbomachinery Active Subspace Performance Maps

    Click to access the meeting recording
    Click to download the presentation


    The Optimisation Special Interest Group is open to all NAFEMS members with an interest in Optimisation.

    Non-NAFEMS members are invited to attend one event of their choice. Attendance of more than one event is reserved as a benefit for NAFEMS members.