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All Springer/NP/PCP Air Gun Discussion General > Engineering- Research & Development
FEA for HPA - it's not out of reach for us
WobblyHand:
--- Quote from: Privateer on May 06, 2023, 04:21:43 PM ---I have to wonder something.
That area is supported somewhat.
So how likely would that support hold that area from catastrophic failure as seen in the pictures?
That may be why there was no sever injuries.
--- End quote ---
Have a picture of that? Not really that familiar with how that AG is setup.
I did model this once, but it was a pain in the neck. I had to fuse two pieces together and it was tough to edit afterwards. If I had known it was tough to edit, I would have modeled it differently. The pitfalls of modeling - there are many ways that work, but some are way better to use!
WobblyHand:
--- Quote from: Privateer on May 06, 2023, 03:12:34 PM ---He's stepping up to an Epyc before long. 128 core 256 thread, with 256 GB of ECC RAM (4TB max)!
--- End quote ---
What does he do with the old computers?
Privateer:
Here's a quick image.
The Red arrow is where the failure was.
The Blue arrow is the brace.
So I suspect a sideways rupture after the end failed near the red arrow area.
Being covered by the neoprene? That burst of air is what shredded it.
Privateer:
--- Quote from: WobblyHand on May 06, 2023, 04:36:42 PM ---
--- Quote from: Privateer on May 06, 2023, 03:12:34 PM ---He's stepping up to an Epyc before long. 128 core 256 thread, with 256 GB of ECC RAM (4TB max)!
--- End quote ---
What does he do with the old computers?
--- End quote ---
He runs them as backup for now. He is a Operating Systems Programmer.
Just his network in his home is near to a PetaByte of data storage!
His home Network operates at 20 Gigabyte times 2!
All fiber Optics.
WobblyHand:
--- Quote from: Privateer on May 06, 2023, 04:49:05 PM ---Here's a quick image.
The Red arrow is where the failure was.
The Blue arrow is the brace.
So I suspect a sideways rupture after the end failed near the red arrow area.
Being covered by the neoprene? That burst of air is what shredded it.
--- End quote ---
Thanks for that. I didn't model that area. Looking at the dimensions, it looked beefy. And it is pretty clear the fracture was not in that area. I modeled the versions with a fixed constraint pushing against the bottom of the cylinder. I also have a high uncertainty of the dimensions there. Apparently there is a threaded hole there, and possibly a narrow diameter hole into the cylinder? Happen to know the diameter of the threaded hole? (M6? M8?) The tiny through hole diameter, if it indeed goes through? To be honest, those details seem pretty far removed from the explosion zone. The fracture looks like it is at the base of the main diameter, which is roughly 5mm away from the rest of the area. Hard to say what the actual sequence of events was during the rupture - outside of my experience.
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