cross-posted from: https://lemmus.org/post/26646894

a website to help students visualize the electromagnetic field

I’ve been building this simulator as a side project aimed to help students understand and visualize electromagnetic phenomena such as radiation, near field effects, polarization, wave interference and diffraction.

You can:

  • place multiple, diffrent radiation sources and set their parameters (geometery, amplitude, phase and more)
  • place perefect wire conductors, PEC plane and poke slots in the plane to create diffraction patterns
  • observe the electric field, magnetic field, energy flow field, energy density or radiation pattern
  • zoom in and out and translate the canvas
  • change the simulation resolution, frequency and propogation speed and some other parameters

I hope someone might find it useful and I’d love to hear what people think :)

What do you think I should add?

Live:
https://www.antennasim.com/

GitHub:

https://github.com/rotemTsafrir/antenna_sim

  • rekliner@lemmy.worldEnglish
    2·
    2 days ago

    very cool. it was immediately educational.

    a couple notes:

    • it barely runs on my new phone so perhaps some compromises for mobile would be best.
    • still working on absorptive materials besides PEC plane? where are the things that would cast a radiation shadow?
    • RotemT@lemmus.orgOPEnglish
      3·
      2 days ago

      Thanks!

      Well that’s disappointing, i really tried optimizing it and it worked well on the few devices I tested (I have an iPhone 13 Pro that handles it well). I will see what I can do to make it more smooth.

      And yes I am working on adding different kind of pec obstacles, dialectic materials and ohmic conductive materials.

      The challenge is to keep the solver cheap while preserving reasonable accuracy.

      May I ask what phone do you have ?

      Thanks for the feedback:)

      • rekliner@lemmy.worldEnglish
        4·
        2 days ago

        it still started snappy and ran, just noticeably slower as I added elements. its a pixel 10 pro but running graphene and vanadium browser…a rare client for sure but shouldn’t be different than chrome on Android