CEDRAT software development roadmap

Transcription

1 V. LECONTE CEDRAT Date: March 2014

2 Global development strategy Global objectives Speed up the modelling process Make the software intuitive and easier to use Ease the integration of Flux in a global design environment Provide robust and fast solving Give tools to assess energy efficiency of devices 2

3 Regular delivery of key features Flux V10.4 CAD import improvement 2D in Flux with easy post-processing 1st step of parallel computing Circuit coupled thin conducting regions Error criterion in post-processing User-defined units Automatic report Flux D integration in Flux : the END! 2D Sketcher Assisted mesh/skin depth mesh Parallel computing (MUMPS) Improved skew 2D Magneto-thermal Transient start-up Time-step adaption Post-processing improvements User preferences Flux 11.2 Best in class 2D tool! Improved sketcher 2D auto-adaptive mesh Material database manager Solver robustness Ease first steps in 2D Embedded Python editor New models for iron losses Magneto-vibro-acoustics acoustics GOT-It V1.0 Optimization with Flux GOT-It V2.0 Distribution of calculations Optimzation with Portunus A special effort for 2D 3

4 & Beyond Accurate solving Advanced models Performant numerical methods 4

5 Modelling eddy currents in 3D The aim To be faster and more robust When using T φ formulations difficulties to deal with periodicities with solid conductors the use of symetries may lead to useless costly pre computations automatic definition of cuts is not working well : should be really fully automatic Our strategy t : Rework the algorithms for T φ formulations Develop A v formulations Magnetic Steady state AC 3D with meshed coils has already given satisfactory results in development version PhD work with G2ELab in progress 5

6 Modeling dl losses in coils Skin and proximity effects The aim Model skin & proximity effect in windings Without meshing each strand Use of homogeneisation techniques Available in 2D and 3D Steady state magnetic AC Using multi scale approach and complex permeability 1.0E E+01 Watt Puissance 1.0E E E E E E E-01 P(référence) Q(référence) 1.0E-02 P(homogénéisé) Q(homogénéisé) 1.0E-03 Fréquence Hz 6

7 Advanced modeling : Anisotropy of materials Introducing the calculations of losses in laminations Use of homogeneisation techniques W. Faye, G. Meunier, C. Guérin, B. Ramdane, P. Labie, D. Dupuy, 2D and 3D Homogenization of laminated cores in the frequency domain, NUMELEC2012 W. Faye, y, G.Meunier, C. Guérin, B. Ramdane, P. Labie, Eddy currents calculation for laminated cores in the Frequency Domain, CEFC2012 7

8 Advanced modeling : hysteresis Modeling hysteresis with a Jiles Atherton vector model Using user subroutines Tests on TEAM Workshop 32 : first results obtained, more to come 8

9 & Beyond Multiphysics Couplings Virtual prototype Accurate solving Advanced models Performant numerical methods 9

10 Multiphysics Context Necessary because of system integration. Maturity of the modeling for each physics alone Computing power & numerical techniques make it more and more affordable. Multiphysics, what for? Different applications: electric machines, induction heating, transformers, actuators, electrical connections, To tk take into account all the constraints t of the design To have realistic complete simulations >> towards full 3D virtual prototype Different levels of multiphysics At the system level or for pre design : analytical models, system level simulation tools In 2D or 3D : coupling emag modeling with thermal, mechanical or vibro acoustics. 10

11 Flux connected to MpCCI A coupling to major simulation tools Star-ccm+ OpenFoam MatLab 11

12 Magneto thermal coupling using Flux and Fluent/Icepak Schneider Electric example for the design of busways 12

13 Multiphysics Magneto vibro acoustics : a one way coupling. Next step : Magneto thermal coupling with external code (Flux 12) With a focus on rotating machines and transformers applications Should be applicable to other applications 13

14 HPC Simulate more! Smart & powerful & Beyond Multiphysics Couplings Virtual prototype Accurate solving Advanced models Performant numerical methods 14

15 Next steps of our HPC strategy Smart & powerful Goals To be able to run bigger models with Flux To be able to use optimization or parametrics on a large scale Use of big clusters Large memory available for solving A lot of processors available Availability of Flux on remote computers to be accessed in SAAS (Software As A Service) 15

16 Interoperability Optimization Simulation automation Dedicated environments Energy efficiency Design tools HPC Simulate more! Smart & powerful & Beyond Multiphysics Couplings Virtual prototype Accurate solving Advanced models Performant numerical methods 16

17 Design solutions for electrical engineering System requirements Functionnal Analysis Multi-level modelling Multi-disciplinary i li design Virtual Prototype Architecture t Integration High-level design testing Operations & Maintenance System Validation Real system Detailed design Unit testing 2D/3D Multi-physics Optimization Simulation process automation Software / Hardware implementation ti 17

18 Interoperability Optimization Simulation automation Dedicated environments Energy efficiency Design tools Modeling speed Ergonomy Examples Documents Ease of use & learning HPC Simulate more! Smart & powerful & Beyond Multiphysics Couplings Virtual prototype Accurate solving Advanced models Performant numerical methods 18

19 Creating 3D geometries in an efficient way From 2D sketcher, go to 3D Modeler (Flux 12) Enter the geometry in a more intuitive way Primitives, boolean operations Keeping the parametric capability Ease the import process (Flux 12) Defects checking & corrections Defeaturing An open door to many other features 19

20 Adaptive solving Help to the non specialists of finite element modeling but not only! Ensures mesh quality in an automatic way Offers the best compromise between the number of nodes and accuracy Bringing auto adaptive adaptive mesh First version with Flux 11.2 (2D Magnetostatics and Electrostatics) Next step 2D Steady state AC in Flux 12 and then 3D 20

21 Ease of use and learning Global ergonomy Continue the efforts on Material database manager More & more data Data for the evaluation of iron losses Ease the use and learning of Flux: help the very first steps in Flux More (much more!) examples directly accessible from the supervisor Improved documentation How to? rather than list of Commands Interactive guide Improve Flux environment Ergonomy and look & feel of the software Organisation of icons, menus, toolbars, 21

22 Interoperability Optimization Simulation automation Dedicated environments Energy efficiency Design tools HPC Simulate more! Smart & powerful Modeling speed Ergonomy Examples Documents Ease of use & learning & Beyond Multiphysics Couplings Virtual prototype Expertise Methodologies Support & consulting Accurate solving Share knowledge User portal Social networks User community Advanced models Performant numerical methods 22

23 Flux 12: Go 3D! The modeler is here! To improve the import process To create 3D geometries in an efficient way Adaptive solving in 2D Steady state AC Modeling skin & proximity losses in conductors in AC Improving 3D modeling of eddycurrents Coupling to thermal analysis software Will be delivered in

24 Building the future With the same energy and involvment! Being connected! For you to Explore, Innovate and bring: Performance Engineering excellence Energy Efficiency 24