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Dr David Clegg

Dr David R Clegg

Programme Leader: Mechanical, Materials and Design Subject Group


Dr David Clegg joined Sheffield Hallam University in 2001 as a lecturer. He is currently a Programme leader for the Mechanical, Materials and Design Engineering Programme area, overseeing the design, development and delivery of both under and post graduate accredited courses, both on site and at our partner colleges. David's research interests are in improving supply chains and operational efficiency using discrete-event simulation, lean and Six Sigma Techniques.


David has a BEng (Hons) and PhD from Sheffield Hallam University. Upon completing his PhD in modelling and simulation, he joined Computer Sciences Corporation (CSC) to develop simulation models for BAE SYSTEMS. Numerous successful projects followed, including the assessment of long bed machining capability, determining the capacity of a runway and the associated taxi/wait times and the transfer of a Boeing aviation manufacturing facility from Salmesbury to Prestwick. In addition a 3D animation of the Joint Strike Fighter assembly was developed to assist in the visualisation of the proposed production process. On returning to Sheffield Hallam University, various consultancy projects have been successfully completed for Siemens Industrial Power Generation, CHEP (a BRAMBLES COMPANY), JRI (Joint Replacements Instrumentation) Ltd and Firth Rixson. To ensure continued industrially relevant experience David sought and was awarded a Royal Academy of Engineering secondment to gain an increased understanding of how Lean is implemented within the National Health Service (NHS). As a result of this opportunity numerous successful projects have been completed both by himself and his students. In 2014 his was awarded University Inspirational Research supervisor of the year. He is also an external examiner for an Engineering programme at the University of Derby and the Cambridge Access Validating Agency. Additionally he has acted as an external panel member for the validation of several degree courses.
He has memberships of both the HEA and IMechE.

Programme Leader, Link Tutor (JCB Academy), Principle Lecturer, Director of Studies (Research) and consultant.

Specialist areas of interest:
- Discrete-event simulation;
- Lean and 6 sigma techniques.


Department of Engineering and Mathematics

College of Business, Technology and Engineering

Subject Area/Group: Mechanical, Materials and Design Engineering Subject Group

Programme Leader for MEng/BEng Automotive Engineering, MEng/BEng Mechanical Engineering; MEng/BEng Materials Engineering.

David leads and delivers all of the following modules:
- Lean and 6 sigma, L7;
- Design simulation and operation of manufacturing systems, L5;
- Materials and Manufacturing Processes, L4;
- Materials and Manufacturing Engineering, L4;
- Business and Project Management, L4.


Current projects:
- Proposing a constructivist approach to understanding adaptations required to develop logistical infrastructure to support increased digital commerce.


Journal articles

Akugizibwe, A.M., & Clegg, D. (2014). Lean implementation : an evaluation from the implementers’ perspective. International Journal of Lean Enterprise Research, 1 (2), 132-161.

Conference papers

Yapa, S.T.W.S., Clegg, D.R., & Perera, T.D.S. (2005). A new methodology for accelerating simulation model development process. Proceedings of the 14th IASTED International Conference on Applied Simulation and Modelling, 71-76.

Theses / Dissertations

Uthumange, A.K. (2009). Modelling based framework for the management of emergency departments. (Doctoral thesis). Supervised by Perera, T., & Clegg, D.

Pohl, T. (2006). Design of adaptable simulation models. (Doctoral thesis). Supervised by Perera, T., & Clegg, D.

Yapa, S.T.W.S. (2006). A structured approach to rapid simulation model development. (Doctoral thesis). Supervised by Clegg, D., & Perera, T.

Bin Hasnan, K. (2005). Methodology to develop hybrid simulation/emulation model. (Doctoral thesis). Supervised by Perera, T., & Clegg, D.

Banaszak, J. (2004). Implementation of the virtual teamworking concept into the simulation project life-cycle. (Doctoral thesis). Supervised by Perera, D.T.S., & Clegg, D.

Postgraduate supervision

Current students:
- Tim Parker. A constructivist approach to understanding adaptations required to develop logistical infrastructure to support increased digital commerce.

Past students:
- Saman Yapa. A structured approach to rapid simulation model development.

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