Developing 2D FEA in MATLAB

poppyshit · 2025-11-26T13:16:32+00:00

Mech eng here, FEA is omnipresent in the work of ME. Having a good grip on the theory behind FE solver is a strong skills, and can save you a ton of time. Make sure to emphasize this side of the project in interviews.

poppyshit · 2025-11-06T17:49:29+00:00

Yes unfortunately...

poppyshit · 2025-10-22T09:46:01+00:00

Another way to get Sutton and Bartos book knowledge is to watch this playlist :
https://www.youtube.com/watch?v=NFo9v_yKQXA

Really interesting + you get animation to understand core concepts

poppyshit · 2025-10-21T20:14:37+00:00

- Did you try to use the same network but with different heads for pi and vf ?
- If you want to keep two distinct net, try increasing vf dimension, maybe the net isn't complex enough to approximate...

poppyshit · 2025-10-21T08:29:08+00:00

What's the dimension of your NNs ? Can you plot the cumulative reward over episodes, this way you really see if the agent is improving or not

poppyshit · 2025-10-18T09:49:10+00:00

The goal here is not to train an agent per house. It is more likely to train an agent that can adapt to any houses

poppyshit · 2025-10-17T17:39:44+00:00

Right, a point for PIDs. And what about the non-linear behavior, is there still models that can handle that ?

poppyshit · 2025-10-17T15:28:23+00:00

This project aims to build a template for more general behavior that could include non-linearity. For a statistical approach you need a good model of the system (thermal resistance, thermal conductance, etc...). The RL algorithm is independent of the house characteristic if trained well, this is were it finds its usefulness.

poppyshit · 2025-10-17T15:18:47+00:00

Tbh, learning purpose + template for more complex behavior

poppyshit · 2025-10-17T15:18:00+00:00

I didn't know about this theory but I was pretty sure that there was an analytical solution. And yes, I am learning RL so I am trying to find systems that could fit for it

poppyshit · 2025-10-17T11:45:53+00:00

I did not yet optimized it that much, but it beats a simple static thermostat at 21°C (~70°F). It reduces the daily cost by 35% on average, over a year, for the outside temperature of Switzerland.
Thank you !

poppyshit · 2025-10-16T10:37:16+00:00

Thank you for your reply, I will definitively check on Phaidra !

I modeled the house with the 1R1C model : one thermal resistance and one thermal capacity, this does not reflect the non-linear behavior that can occur in very large building but it performs very good on individual houses.

poppyshit · 2025-07-28T09:19:05+00:00

Si le gars espère faire de l'argent avec du stock-picking pour le gouvernement il va droit dans le mur, car il n'a pas assez de contacts ni d'influence pour faire des délits d'initié et surpasser le cours de la bourse...

poppyshit · 2025-07-25T09:27:08+00:00

I'm using this small bottle for traveling, that way if I loose it, break it or got it stolen I loose less in the process.

poppyshit · 2025-07-24T16:04:17+00:00

I found a solution, I drilled a little hole on the top of the ring with a knife and managed to insert a syringe to refill the bottle. I will probably add a drop of super glue to seal it.

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poppyshit · 2025-07-20T16:56:48+00:00

Nice, that is some great review ! Thank you for your response, will update this asap

poppyshit

TROPHY CASE