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Computational Mechanics & Reliability Group

About

The Computational Mechanics and Reliability Group is a world leader in the development and application of computer-aided technologies which predict the physical behaviour, performance, reliability, and maintainability of complex engineering systems and products. The team within the group has been active since the mid 1990's and was submitted under computational modelling in the 2001 RAE submission, and the Centre in 2008. The group was formed in 2004 after the departure of the head of the centre and of the computational modelling group.

Particular focus of the group's work is the development of software tools and modelling techniques for multi-physics predictions, failure analysis, reliability, and optimisation. These technologies predict the performance and reliability of electronic, photonic, and micro/nano-scale components used in many industrial sectors such as transport, medical and telecommunications, etc. CMRG members serve on a number of influential committees such as Board of Governors of the IEEE Components Packaging and Manufacturing Technology (CPMT) society and the Executive Committee of the Innovative Electronics Manufacturing Research Centre (IeMRC). CMRG develops its own software tools to support its research endeavours, examples include PHYSICA (Multi-physics modelling), Powerlife (Reliability of Power Electronics Systems) and ROMARA (Reduced Order Modelling and Risk Analysis).

CMRG is active in both theoretical and applied research. This work is supported by government funding agencies such as the EPSRC, Dti, EU framework programme, and also by industry both nationally and internationally.


Group Awards & Achievements

2013:

  • Professor Bailey elected as Vice-President of IEEE CPMT Society.

2012:

  • Group invited to join the consortium writing the new IEEE standard (IEEE Std. P1856) for Prognostics and Health Management of Electronic Systems.
  • Professor Bailey elected as Chapter Chair for UK&RI IEEE CPMT and Reliability Societies.

2011:

  • Professor Bailey elected to the Board of Governors of the IEEE CPMT Society.
  • Professor Bailey become associate editor of the IEEE CPMT Transacations.

2009:

  • The group received the Times Higher Education Award in 2009 for Outstanding Engineering Research Team of the Year (sponsored by BAeSystems).

2008:

  • The group was instrumental in establishing the IEEE international conference series on Electronics System Integration Technologies; 400 international delegates attended the event in 2008 at Greenwich.
  • The partnership with the Cutty Sark Trust won the Knowledge Transfer Partnership (KTP) Award for London.
  • Our work on the Cutty Sark won the London Development Agency (LDA) and ‘Connect’ Awards for Collaborative Knowledge Transfer.

2006:

  • Prof. Bailey invited as academic member of the DTi global watch missions to the USA to review latest technologies being developed for thermal management of electronic systems.
  • CMRG predictions on the structural behaviour of the Cutty Sark ship are part of the Heritage Lottery Submission made by the Cutty Sark Trust. This submission was successful with the award of £12 million.

2005:

  • Prof Bailey invited as academic member of the DTi global watch missions to China to review latest trends in Optoelectronics Manufacturing.
  • Group's work cited in the Royal Academy of Engineering consultation document to the UK government as an example of best practice for university/industry collaboration.

2004:

  • CMRG invited to present its ESPRC sponsored research at Royal Academy of Engineering/EPSRC 'Celebration of UK Engineering Research and Innovation'.
  • Technology developed by the group is embedded into the PHYSICA software product which is now licensed through the companies MPSL and PHYSICA Ltd. Professor Bailey is a founding director of both companies.
  • Prof. Bailey awarded the Royal Society/Kan Tong Po Visiting Professorship to Hong Kong (2004).

2003:

  • Team becomes a member of the EPPIC Faraday Partnership. Prof. Bailey also leads the Science and Technology consortium consisting of six universities and two RTO's, representing these institutions at board level within the partnership.

Selected Publications

  • Numerical algorithms for modelling electrodeposition: tracking the deposition front under forced convection from megasonic agitation, International Journal for Numerical Methods in Fluids. V64, N3, pp 237-268, 2010
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  • Finite-element simulation of stress intensity factors in solder joint intermetallic compounds. IEEE Transactions on Device and Materials Reliability, V9 N1. pp. 40-48, 2009
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  • Modelling Methodology for Thermal Analysis of Hot Solder Dip Process, Jnl Microelectronics Reliability, V53, pp 1055-1067, 2013
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  • Smeared shell modelling approach for structural analysis of heritage composite structures - An application to the Cutty Sark conservation. Computers and Structures, V88. pp. 649-663, 2010
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  • A multi-disciplinary study of vibration based reliability of lead-free electronic interconnects. Microelectronics Reliability, 50. pp. 1706-1710, 2010
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  • Application of Kriging and radial basis function in power electronic module wire bond structure reliability under various amplitude loading, International Journal of Fatigue, V45, pp61-67, 2012
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  • Design for reliability of power electronics modules. Microelectronics Reliability, 49. pp. 1250-1255, 2009
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  • Prognostic reliability analysis of power electronics modules. International Journal of Performability Engineering, 6 (5). pp. 513-524, 2010
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  • Progress towards the design and numerical analysis of a 3D microchannel 3 biochip separator. Int Journal for Numerical Methods n Bio Engineering, (2011) DOI: 10.1002/cnm.1439
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  • A Method for the Micro-encapsulation of Dielectric Fluids in Joined Polymer Shells. Current Organic Chemistry, Volume 17, Number 1, January 2013 , pp. 65-71(7)
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To learn more about our team and research visit our group website

Prof Chris Bailey
Prof Chris Bailey: CMRG Director

Group Statistics

2013:

  • 7 Research Staff
  • 6 Doctoral Students

2008-2013:

  • 125 Total Publications.
  • £2,751,516 Total Research and Enterprise Income

Selected Projects


Significant Grants

2013:

  • 350,000 euros secured from EU-FP7 for the project NextFactory (Grant Number 608995). Part of a 3.5M euro multi-partner project, this project will develop additive manufacturing technology based on 3D-Ink-Jet printing that will be used to fabricate next generation of electronic products for use in the medical and energy sectors. Greenwich will develop the NextFactory software tools that will predict the behaviour of the materials in this process which will builds upon our computational reliability expertise.
  • £500,000 secured from EPSRC for the project - Underpinning Power Electronics. This is part of a 6 year initiative worth over £18M over seven years (£8M currently committed) in collaboration with Nottingham, Cambridge, Newcastle, Manchester, Bristol, Strathclyde and Warwick universities. The work will investigate the reliability of new power electronics components and systems that underpin the Governments energy agenda.
  • £76,500 secured from MOD and DGA (France) for the project THIN (Thermal Interface based on Nano Particles). Project is in collaboration with MBDA with Greenwich developing models that will optimise the fabrication of nano-composite thermal interface materials.

2012:

  • £210,000 secured from IeMRC (EPSRC) for the project RODENT: Damage mechanics models for power electronic module reliability. This project is in collaborative project with the University of Nottingham. Greenwich are developing damage mechanics models that will predict crack initiation and growth in electronic interconnects.
  • £142,500 secured from Scottish and Southern Energy (SSE) to develop reliability and prognostics tools that can assess the remaining useful life of subsea power cables. This two year project is in collaboration with Heriot-Watt University, CMRG are developing the algorithms, models and software tools.

2011:

  • 200,000 euros secured from EU Clean Sky initiative for project PEMREL (Project Number 271788). The group has developed physics-of-failure models and numerical optimisation software to predict the reliability of new power electronics components in collaboration with Dynex Semiconductors and SEMELAB.
  • £280,000 secured from US DoD to been assessing computational reliability engineering technology that can minimise the risk of damage to microelectronic components that have to be refinished to satisfy the requirements of high reliability applications such as aerospace, oil and gas, etc. This two-year project was in collaboration with Selex Electronic Systems, Rolls Royce, and Micross Semiconductors.
  • £51,000 secured from SEEDA for KTP project - Saving the Medway Queen. Working with the Medway Queen Preservation Society (MQPS) we have used our computational reliability expertise to undertake a structural assessment of the Medway Queen (heroine of Dunkirk) which has been rebuilt to its original 1924 design rules.

2010:

  • £80,150 secured from MOD and DGA (France) to investigate reliability of electronic and optoelectronic components for application in high reliability military applications. Project was in collaboration with MBDA.
  • Co-Investigator on the Innovative Electronics Manufacturing Centre (IeMRC). This is a £9M EPSRC initiative which runs until 2015. CMRG has representation the Executive Committee and has received funding (Standard Projects and DTA’s) through this centre to support its research endeavours.

2008:

  • £250,000 secured from EU-FP7 project FAMOBS (Frequency Agile Microwave Bonding System, Funded by EU-FP7). This three year project supported the develop of multi-physics models for of a novel microwave heating process for use in manufacture of electronic packages in collaboration with a number of partners including IPA-Fraunhofer (Germany) and Heriot-Watt University.
  • £85,000 secured from TSB within the ENDVIEW project. In this project CMRG developed models that could be used to assess the optical performance of ruggedized displays.

2006:

  • £120,000 secured from the EPSRC (IeMRC) for research into Inverse Modelling for Prognostics and Diagnostics of engineering systems. This two year project involves collaboration with Nottingham University and a number of companies including Rolls Royce and Smith Industries.
  • £98,000 secured from EPSRC (IeMRC) for the project FAMOBS which will build models to investigate microwave curing of polymer materials used to package electronic and photonic devices. This project is in collaboration with Heriot-Watt University and a number of companies including Micro Circuit Engineering and Bookham Technology.
  • €164,000 secured from EU for a Marie Curie fellowship. This supports a visiting researcher from Hong Kong to model electro-migration in very small interconnect structures. Novel modelling techniques will be used and validated with experimental work taking place in Hong Kong and at the National Physical Laboratory.

2005:

  • £405,000 secured from the EPSRC as part of a £4.1 million grant (3D-Mintegration) concerned with modelling the manufacture of micro and nano sized-systems. This proposal won the EPSRC grand challenge call in novel manufacturing. CMRG is playing a lead role in the design and simulation workpackage.
  • £220,000 secured from the DTi into research concerned with Reliability Predictions and Risk Analysis for Power Electronic modules with the project on Modelling Power Electronic Modules. This project is in collaboration with a number of companies that represent the supply chain for power modules. This includes Goodrich, Dynex Semiconductors, and Semilab.
  • £210,619 secured for 'MEMSA', an EPSRC funded project to model the electroforming process as used to fabricate Microsystems. This is a three year collaborative project with Heriot-Watt University, Merlin Circuits, and Raytheon Systems.
  • £184,000 for 'Power Electronics Flagship', a project supported by the EPSRC (IeMRC). This project will develop physics-of-failure models for reliability predictions of power electronic modules.
  • £103,000 secured from ESPRC (IeMRC) for the SiP-design project which is building reduced order models for System-in-Package microelectronic structures. This project is in collaboration with Lancaster University, Selex, Flomerics, and Phillips.

2004:

  • £137,000 secured from DTi and the Cutty Sark Trust as part of a KTP to use finite element technology to model and help conserve the Cutty Sark clipper ship.

2003:

  • £75,120 secured from EPSRC and the National Physical Laboratory to model the reliability of lead-free solders.

2002:

  • £293,000 secured from the DTi and Flomerics Limited to investigate unstructured Computational Fluid Dynamics solvers.

2001:

  • £130,000 secured for research into computational mechanics for Micro and Nano-Systems with the EPSRC grant Microsystems Applications for the 21st Century (MAT-21). This was a collaborative project with Heriot-Watt University. Its results helped establish the spin-out company Microstencil.