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CST STUDIO SUITE™ 2006 Application and Feature Tutorial Automotive Applications L. Sassi

CST STUDIO SUITE™ 2006 Application and Feature Tutorial Automotive Applications L. Sassi. Import CATIA5, stl Thin sheet body car On-glass wire antennas Broad band transient analysis Surface Current. Why CST STUDIO SUITE 2006™ for Automotive applications?.

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CST STUDIO SUITE™ 2006 Application and Feature Tutorial Automotive Applications L. Sassi

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  1. CST STUDIO SUITE™ 2006Application and Feature TutorialAutomotive ApplicationsL. Sassi Import CATIA5, stl Thin sheet body car On-glass wire antennas Broad band transient analysis Surface Current www.cst.com

  2. Why CST STUDIO SUITE 2006™ for Automotive applications? • User friendly interface for importing of body car, dielectric windscreens or for designing antenna parts • Accurate and Robust PBA meshing for solid and thin sheet shapes • Linear growing of the memory effort with the No. of mesh cells, allowing the use of PCs rather than expensive workstations/clusters • Broadband analysis: DC, AM/FM, remote control, GSM, GPS in one single simulation www.cst.com

  3. Why CST STUDIO SUITE 2006™ for Automotive applications? • Simultaneous excitations of ports for mutual coupling analysis • Far field and Near field calculations both in time domain (probes) and frequency domain (field on curves) • Far field calculation over lossy ground enabling the simulation of outdoor test ranges • Accurate calculation and visualization of 3D fields and surface current for antenna and cable placement • Exporting data to in-house or third party tools www.cst.com

  4. Body Car import: Catia5, step, stl,.... • Body Car can easily be imported: • Thin sheet shapes via stl/Nastran format • 3D shapes via CATIA5, step, iges www.cst.com

  5. Windscreen and On-glass wire antenna www.cst.com

  6. Windscreen: Thicken Sheet Both thin sheet shapes and 3D shapes import options are available On arbitrary thin sheet shapes can be assigned a thickness www.cst.com

  7. On-glass wire antenna: import 1D curves Transform Curves to Wires Important: curves will not be included in simulation only wires will be! www.cst.com

  8. GPS patch antenna AM/FM on-glass wire antenna GSM monopole antenna Harness signal/power cable Remote control loop sensor BMW analysis: DC, AM/FM up to GPS www.cst.com

  9. GMS monopole antenna www.cst.com

  10. Monopole Farfields @ 900MHz www.cst.com

  11. 1D Results Comparison with car and without car Car and other sources may interference www.cst.com

  12. GPS patch antenna www.cst.com

  13. Patch Antenna Farfields @ 2.5GHz About 20mio mesh nodes CPU time 14h, 3.2GHz www.cst.com

  14. 1D Results Comparison with car and without car www.cst.com

  15. AM/FM on-glass wire antenna www.cst.com

  16. On-glass antenna @ 90MHz www.cst.com

  17. 1D Results Comparison with car and without car Car and other sources may interference www.cst.com

  18. 50 Far Field and Near Field approximations E field visualization allows using near field approximation Lossy dielectric plane can be used in order to decouple the near field space www.cst.com

  19. Remote control loop sensor www.cst.com

  20. Loop H-Field @ 430MHz www.cst.com

  21. Harness signal/power cable www.cst.com

  22. DC surface current By means of Combine Results it is possible to calculate the global effect of all interference sources www.cst.com

  23. Discrete Ports > Currents > |I| linear [1] Monopole [2] Loop [3] Cable www.cst.com

  24. Discrete Port 3 total current Abs www.cst.com

  25. Evaluate field on Curve Using the arrow key it is possible to mark the field values on the curve www.cst.com

  26. Evaluate field on Curve / 1D Plot www.cst.com

  27. Export Field in ASCII file on selected solid www.cst.com

  28. Automotive ApplicationSummary • Advantage of using CST STUDIO SUITE 2006™ in the automotive industries • Import and design of an on-glass wire antenna and windscreen (thin sheet and 3D wire models) • BMW mounting AM/FM, remote control loop, GSM and GPS antennas, DC analysis in harness cables • Far field analysis with and without car www.cst.com

  29. Evaluate field on Curve / 1D Plot www.cst.com

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