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Introduction to High Frequency Structure Simulator

Background. Introduced from 90sSimulation tool for complex 3 D geometriesUsing Finite Element MethodAdaptive Mesh generation

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Introduction to High Frequency Structure Simulator

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    1. Introduction to High Frequency Structure Simulator Pengcheng Jia

    2. Background Introduced from 90s Simulation tool for complex 3 D geometries Using Finite Element Method Adaptive Mesh generation & refinement 2 Main VendorsAgilent & Ansoft Merger from May 1 Transfer to Ansoft HFSS after Nov. 1, 2001

    3. Requirement & Resources HFSS consume tremendous memory if fine result is needed 300M+ Memory and 400M+ processor is recommended Floating License Key within ECEWIN2K subnet Remote access to new Scully which has 1 G RAMBUS400 Memory and 1.7G P4 processor

    4. Agilent HFSS

    5. Ansoft HFSS

    6. Features(1) Computes s-parameters and full-wave fields for arbitrarily-shaped 3D passive structures Powerful drawing capabilities to simplify design entry Field solving engine with accuracy-driven adaptive solutions Powerful post-processor for unprecedented insight into electrical performance

    7. Features(2) Advanced materials Model Library-including spiral inductors Model half, quarter, or octet symmetry Calculate far-field patterns Wideband fast frequency sweep Create parameterized cross section models- 2D models

    8. Applications Antennas Microwave transitions Waveguide components RF filters Three-dimensional discontinuities Passive circuit elements

    9. Procedure to simulate Open or Make new project Draw objects Assign material property Define boundary conditions Solve Display result

    10. New project

    11. Project Preferences

    12. Drawing basics

    13. Drawing Lines & 2 D objects

    14. Drawing 3 D objects

    15. Object Library

    16. Editing Objects

    17. Materials

    18. Metal & Resistor

    19. Boundaries

    20. Boundary Conditions

    21. Add A Boundary

    22. Display Boundary

    23. Calibrating Ports

    24. Solve

    25. Frequency & Meshing

    26. Displaying Results

    27. S Matrix

    28. Plot Field

    29. Result Comparison ?r=8.5; Hsub=625 um; W=150um; G=75 um

    30. Finite Element Method

    31. Impedance Concept Zpi, Zpv & Zvi Microstrips use Zpi impedance Slot-type (CPW) use Zpv impedance TEM waves use Zvi impedance

    32. Projects with HFSS Microstrip Line to Waveguide Transition

    33. EM Field of the transition

    34. Waveguide Combiner System

    35. Slotline Antenna

    36. Bonding Wire Discontinuity

    37. Packaging for CPW Lines

    38. Field Plot

    39. Useful links http://www.ansoft.com http://dutettq.et.tudelft.nl/~hfss/welcome.html http://wwwinfo.cern.ch/ce/ae/Maxwell/index.html Documents for HP HFSS is in Scully c:/Otherprg/hfss/doc

    40. References HP High-Frequency Structure Simulator Users Reference HP High-Frequency Structure Simulator Tutorial

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