this post was submitted on 08 Sep 2024
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Lemmy Shitpost

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all 24 comments
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[–] Rolive@discuss.tchncs.de 27 points 2 months ago

Looks stressful.

[–] ramble81@lemm.ee 9 points 2 months ago (2 children)

In the color indicating distance moved or stress? If the latter I would except it to be more towards the middle of the beam?

[–] jetliswar@lemmy.world 8 points 2 months ago* (last edited 2 months ago) (1 children)

It probably is strain. Not stress

[–] bane_killgrind 6 points 2 months ago (1 children)

Ok so to lay people it's not obvious what the difference is

[–] Lenis_78@lemmy.world 13 points 2 months ago (1 children)

Stress is a measure of the force applied per unit of area of a cross section of the beam. Like how much force does a part of the beam “feel” passing through it.

Strain is a measure of relative deformation.

In the graphic above strain is visualized with the color scale, and you can see that the more a part of the beam has moved relative to its original state (unloaded, dark blue), the more the color of the part goes up the scale on the side.

Does that make sense? 😅

[–] bane_killgrind 3 points 2 months ago

Yes thank you

[–] Un4@lemm.ee 3 points 2 months ago (1 children)

It's clearly an animated mode of a eigen value analysis. Therefore it's "displacements" that a structure experience when subject to a vibration at it's natural frequency. However the actual maginitude of these displacements have no meaning it is only to represent type of deformation shape one would see. If it were stress or strain you would see colors close to the base (support) of the beam.

[–] ramble81@lemm.ee 10 points 2 months ago (1 children)

Clearly… I mean everyone should know an eigen value analysis

https://xkcd.com/2501/

[–] Un4@lemm.ee 6 points 2 months ago (1 children)

I added clearly as a joke :)

[–] ramble81@lemm.ee 3 points 2 months ago

Clearly it was a joke :-p

[–] deranger@sh.itjust.works 8 points 2 months ago (1 children)

Would you look at the P on that beam!

[–] einlander@lemmy.world 6 points 2 months ago (1 children)
[–] don@lemm.ee 5 points 2 months ago (1 children)
[–] Delta_V@lemmy.world 5 points 2 months ago (1 children)
[–] meyotch 3 points 2 months ago

That poor crab

[–] gravitas_deficiency@sh.itjust.works 7 points 2 months ago (1 children)
[–] InFerNo@lemmy.ml 1 points 2 months ago

Hearing this as Beavis and Butthead

[–] ivanafterall@lemmy.world 4 points 2 months ago

He must be going commando.

[–] StrongHorseWeakNeigh@lemmy.world 4 points 2 months ago

Good thing steel beams are pretty fucking strong. I've accidentally tried to destroy a couple with a forklift a couple times.

[–] hihi24522@lemm.ee 4 points 2 months ago (2 children)
[–] remotelove@lemmy.ca 2 points 2 months ago

Oh, what would we do without Lumerical Multiphysics? (The solution for all of your photonic component needs.)

[–] RubberElectrons@lemmy.world 1 points 2 months ago

COMSOL gang represent

[–] Nikls94@lemmy.world 3 points 2 months ago

The suspense is killing me