HPC Midlands - E.ON Supercomputing Case Study
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HPC Midlands - E.ON Supercomputing Case Study



Lionel Mazzella, Plant Modelling Team Leader at E.ON New Build and Technology, presents a supercomputing collaboration case study around E.ON's use of HPC Midlands to accelerate their innovation. For ...

Lionel Mazzella, Plant Modelling Team Leader at E.ON New Build and Technology, presents a supercomputing collaboration case study around E.ON's use of HPC Midlands to accelerate their innovation. For more information, please see http://hpc-midlands.ac.uk



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  • Previously this work has been performed on a HP xw8600 Workstation with Xeon E5405 processors. In that case the mesh consisted of 4536737 elements and was run in parallel on 2 cores. The time to complete 340 iterations was 23 hours, 13 minutes and 28 seconds (CPU core and Wall timings were almost identical). Given that 10 or more such simulations for different leak locations are required then the assessment of the GT enclosure can take several weeks to complete.
  • We ran the gas turbine simulation with a number of different parameter sets ranging from a 4.5m cell mesh on 24 cores, through to an 80m cell mesh on 128 cores, and observed speed-ups of betwen 30 and 145 times the performance of the in-house system based on workstation class PCs.HPC cores are more than twice as fast as the 2010 cores. For HPC Grid 1 case the speed-up should be 12 (2 cores compared to 24) but it was actually 30More cores gives reduced turn-around time, for example from 10 days to 1 day, with much improved resolution

HPC Midlands - E.ON Supercomputing Case Study HPC Midlands - E.ON Supercomputing Case Study Presentation Transcript

  • Supercomputing collaboration case studyHPC Midlands launch eventLionel MazzellaPlant Modelling Team LeaderE.ON New Build & Technology20th March 2013
  • Agenda 1. E.ON New Build & Technology 2. Plant Modelling Team 3. CFD projects 4. HPC Trial: Historic 5. HPC Trial: Test Project 6. HPC Trial: Outcome 7. HPC for what?2
  • E.ON New Build & Technology We realise E.ON’s cleaner and better strategy. Our aim it’s to engineer a cleaner and better future for E.ON by delivering world-class solutions from ideas to reality. Ratcliffe, Nottingham Actively involved on nearly 300 locations in Europe and Russia, with a total output of more than 60GW. Hannover More than 1,200 employees. Gelsenkirchen3
  • Plant Modelling team Part of E.ON New Build & Technology’s Software & Modelling Department. Team of engineers and scientists delivering:  Thermodynamic Modelling Consultancy (PROATES®)  On-line Performance Monitoring (PROATES PMS)  Computational Fluid Dynamics (CFD)  Various R&D modelling projects (E.g. CSP and Energy storage) Tertiary Secondary Primary4
  • CFD projects: Gas turbine blade heat transfer Aerothermal Analysis of Heat Transfer to Blades Necessary Starting Point for Lifetime Prediction Model Film Cooling Compute Heat HP Vane: htc 14000 Transfer Coefficients 12000 & Gas Temps 10000 8000 htc 6000 4000 2000 no film cooling Predict GT Blade Lifetimes 0 with film cooling -140 -100 -60 -20 20 60 100 140 Potential to Provide Considerable Savings surface distance (mm)5
  • CFD projects: Steam flow behaviour in a steam dome Looking at impact of power upgrade CFD shows vortex formation in dome High levels of swirl induced in steam lines Leads to steam line vibration problems Steady-state 21 Million cells. (HP Z800 Workstations)6
  • HPC Trial: HistoricJune 2011 First contact with Loughborough UniversityJuly 2011 First meeting with HPC Midlands people and look at HydraOctober 2011 Working meeting at the Loughborough UniversityNovember 2011 Defining HPC trial scope and project to be used for the testDecember 2011 Meeting with ANSYS, licensing support for the HPC trialJanuary 2012 Meeting with E.ON IT and looking at connectivity optionsJuly 2012 HPC Trial completionAugust 2012 HPC Trial report completionOctober 2012 Presentation of the report to HPC MidlandsFebruary 2013 Meeting with HPC Midlands, Hera visit and commercial discussions7
  • HPC Trial: Test Project Original work was to simulate the dispersion of natural gas from leaks occurring within a ventilated gas turbine enclosure. Work part of an assessment to ensure compliance with Health and Safety Executive regulations. HP Workstation xw8600 Xeon E5405 CPU, 2 cores 4.5M elements meshing Steady state, complex geometry, simple physics 340 iterations, around 24 hours to complete More than 10 simulations requested for the work8
  • HPC Trial: Outcome The HPC Trial reviewed a range of configurations:  Simulations with 24 to 128 CPU cores.  6 different meshes used from 4.5 to 80 million cells.  Normalised results for 2010 this gives an equivalent time of 5240 sec.  HPC speeds-up from 30 to 145 times the 2010 values. Grid 1 4.5M elements 24 cores 2010 Figure – 5240 sec Grid 2 8M elements 48 cores The lower this number the better Grid 3 15M elements 48 cores Grid 4 25M elements 60 cores Grid 5 45M elements 128 cores Grid 6 80M elements 128 cores9
  • HPC for what? Non-linear models Biggest advantage of the HPC is likely to be for jobs that:  Have large parameter spaces.  Are time dependent.Power  Have complex geometry.  Have very complex physics. Partnership Linear models  A combination of the above. Solution Desktop Small cluster HPC 10
  • Thank you for listening