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Transverse impedance of Ceramic collimator. Comparison of HFSS versus GdfidL

Transverse impedance of Ceramic collimator. Comparison of HFSS versus GdfidL. A.Grudiev 07.05.08. PML. PML. Perfect Conductor. Perfect Conductor. Collimator: ε r , σ. PML. Collimator: ε r , σ. PML. Z. Z. 2b. L c. L c. GdfidL setup. d. Setup 1: PML b.c. infinitely long setup.

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Transverse impedance of Ceramic collimator. Comparison of HFSS versus GdfidL

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  1. Transverse impedance of Ceramic collimator. Comparison of HFSS versus GdfidL A.Grudiev 07.05.08

  2. PML PML Perfect Conductor Perfect Conductor Collimator: εr, σ PML Collimator: εr, σ PML Z Z 2b Lc Lc GdfidL setup d Setup 1: PML b.c. infinitely long setup Setup 2: Short Circuit b.c. finite length setup

  3. Dependence on the Lc. εr=5, σ=0 Setup1: PMLBC Numerical effect Setup2: SCBC f[MHz] f[MHz]

  4. Dependence on the mesh. Lc=1m, εr=5, σ=0 Setup1: PMLBC f[MHz] Setup2: SCBC f[MHz]

  5. HFSS setup. Infinitely long setup Δ/2=1mm L0 d=10mm b=2mm From V. Vaccaro (1994)

  6. Variation of σ=1 - 10-6, εr=1 , Lc=1m, d=10mm f[MHz] Very good agreement between HFSS and GdfidL

  7. Variation of σ=1 - 106, εr=1, Lc=1m, d=10mm f[MHz] No agreement between HFSS and GdfidL for σ > 10. GdfidL mesh is too bad ?

  8. Variation of εr=2-20, σ=0, d=10mm Imaginary part of the transverse impedance f[MHz]

  9. Variation of d=1-20mm, σ=0, εr=5. HFSS setup f[MHz]

  10. Variation of d=1-20mm, σ=1, εr=1. HFSS setup f[MHz] f[MHz]

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