VOLNA — Browser-based FDTD antenna simulator built on openEMS

[tomipiriyev]

Hi openEMS community,

I tried to use OpenEMS but found out it is so difficult to install and use , I have been thinking it would be easier to use in-browser antenna simulation tool, doesnt need any installation and works al OS.

I slowly started building VOLNA EMS — a fully browser-based antenna simulation tool powered by openEMS compiled to WebAssembly. No installation required; the entire FDTD solver runs client-side.

What it does:
Choose from antenna templates (half-wave dipole, microstrip patch, quarter-wave monopole, box resonator)
Runs openEMS FDTD simulations directly in the browser via WebAssembly (SIMD + pthreads)
Displays S-parameters (S11 vs frequency) computed from port probe FD data
Shows a 3D geometry preview with radiation pattern overlay after simulation
All output files downloadable as ZIP

I'd love feedback from the community

here is a user interface so far

currently I am in earlier phases , still calculations are not correct. I will share more details and sources later.

I would like to get your opinions on this

and thanks to everyone who built openEMS