Fraser Cripps

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Questions related from Fraser Cripps

Does anyone have any tips for convergence of nonlinear models in COMSOL?

Hi all, I am attempting to replicate a paper:(https://arxiv.org/ftp/arxiv/papers/0901/0901.1350.pdf, "Second-Harmonic Generation and Spectrum Modulation by Active Nonlinear Metamaterial" )...

15 February 2019 4,767 0 View

Comsol simulation connecting circuit to frequency domain em wave physics, equations not converging?

Hi, I'm trying to couple electrical circuit physics with frequency domain em wave. In my simulation a wave of some frequency propagates through a split ring meta atom. I have set lumped ports...

01 May 2018 9,421 4 View

Design of metamaterial pcb?

Hi, I'm looking to draw copper tracks on a double sided substrate within a software that allows me to export as dxf/dwg/gerber for fabrication. Can anyone recommend a pcb design software that...

22 March 2018 7,589 6 View

What is the best way to measure frequency in/frequency out in comsol?

Hi, I'm attempting to create nonlinear metamaterial structures in comsol and I don't know how to measure second harmonic generation. How do I measure that frequency x goes into structure and...

19 December 2017 9,953 4 View

Can any experienced comsol users help me understand usage and difference between eigenfrequency solver and frequency domain modal solver?

Hi, I'm hoping to simulate nonlinear metamaterials in comsol 5.1 and I would like to be able to see the frequency of the em waves leaving my metamaterial. I have looked online for tutorials...

11 December 2017 3,935 3 View