Hi I am a begginer in comsol multiphysics. I am going through the calculation of scattering cross section from gold nanoparticle situated over a dielectric substarte. There is a very nice example in webpage: https://uk.comsol.com/model/scatterer-on-substrate-14699. i have modified the scatterer as a nanorod. The simulation is running very well for a single wavelength (convergence plot shows a proper graph). But surprisingly when I use a parametric range of wavelength, it is not running (does not show proper convergence graph). It would be really great if someone helps me to find out the right solution. Eagerly waiting for your solution. Kind Regards Achyut
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