Understanding Buckling

[@TheEfficientEngineer]

Thanks for watching! The bundle with CuriosityStream mentioned at the end of the video is no longer available - sign up directly for Nebula with this link to get the 40% discount! go.nebula.tv/theefficientengineer. Here's a link to the short video on Euler and the Self-Buckling Problem on Nebula - nebula.tv/videos/the-efficient-engineer-euler-and-the-selfbuckling-problem!

[@MSA206]

You are saying “ Pcr doesn’t depend on the strength of the material at all” but it is a factor of E and E is the indicator of the material strength

[@TheEfficientEngineer]

E represents the stiffness of the material, it doesn’t tell you anything about the strength of the material.

[@MSA206]

​@@TheEfficientEngineer Thank you for your comment and taking the time. You're right that E indicates material stiffness, not strength. However, in column buckling, E is crucial for determining buckling load, albeit not directly indicating the material's strength. While it doesn't predict strength beyond its elastic limit, E is essential for understanding material behavior up to that point. Thank you so much for the Video it is very insightful and thank you for the promotion as well really Fantastic work.

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Perfectly pointed!

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extremely true

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SIMPLY YES

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Indeed

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[@les8489]

Just look at Timoshenko's "Theory of elastic stability"...This video, while very good, does not bring anything new and everything is covered in any half-decent engineering course.

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@@les8489 its not about bringing anything new or just memorising formulas or knowing how to derive them, its about bringing out the beauty of it and making it conceptual and easy to understand. This channel does that for us.

[@kuma3509]

me too, Thank you

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Agree. By watching this video one does not gain any knowledge related to the subject. To understand it you have to review course in Theory of Elasticity. Timoshenko is good, but N.Muskhelishvili book offers much rigorous approach.

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I was looking on your channel for a buckling video a month ago, and now you have uploaded one! YOU ROCK SIR!

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[@paulhawkins6771]

Another great video, thanks so much. As a practicing engineer it's always interesting to go back to fundamentals and the history of how the design and analysis techniques developed. A particularly pleasant surprise was seeing the offshore pipeline lateral buckling example in this video as that's the field I work in and didn't expect it to see it illustrated to beautifully. I'm very impressed with the attention to detail with the animation of the mode 3 buckle shape and the formation of the soil berm at the buckle crown.

[@TheEfficientEngineer]

Thanks Paul - glad someone spotted the berm!

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[@TheEfficientEngineer]

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[@BoZhaoengineering]

In Eurocode 3, EN 1993, there are classified into 4 categories according to buckling curve. In many cases, buckling and fatigue govern structural design rather than material yield strength. There is no better way to understand it than your video! Superb! I've got a lot of details on how to derive the buckling curves from their origin. Excellent video on engineering!

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[@markspc1]

Great video about buckling. Euler was a genius, buckling was a tinny amount of his work but with great effect. Been able to predict buckling failure can save work, money and mostly save lives. Sadly most scientist that mention Euler never mention his development of the buckling equation. In my career as a structural analyst I always dealt with buckling. A thin-walled open cross-section (11:34) beam, or column, can also fail at the flanges and at the center member. In aircraft structural analysis it is known as "crippling". Crippling can occur in longitudinal member between frames. Also another way that a slim member can fail in buckling is called "longitudinal buckling". It can be loaded in a concentrated moment at the ends or as a distributed load as in floor beam.

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[@ameersuliman6250]

Great way of explaining various factors that influence buckling. Reminds me of my projects the buckling of the thin shell due to geometric imperfections

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Great as always

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[@smurface549]

Concise and easy to follow. That's another quality video worth to watch. I especially love how you pronounce Euler the right way :-) Something that's probably not very intuitive: A pipe can even buckle when under tension while supporting a compressive load. We did experiments at the university showing that, but I kinda forgot the exact reason for it.

[@kolavithonduraski5031]

topic suggestion: Torsional Buckling thanks for this video👍 it is clear and understandable

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[@TheEfficientEngineer]

Appreciate the kind words, thank you! I use Blender to create the animations, if that helps.

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No way... I'm finishing my mechanics of materials FE review book, and the last topic is buckling. I must have said the word out loud because there was no way this video was going to get recommended to me. I never looked this topic up in school so I wasn't going to get this particular topic. I do watch a lot of your videos so to study for the FE exam. Man is the algorithm crazy... You day a word once...

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[@TheEfficientEngineer]

Thank you! :)

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Just in time! Tomorrow i have the end test in “strength of material” course. for sure there will be question about buckling . Following you here and also in nebula, Watched all your videos and I really appreciate the work that you do to create them .👏🏻👏🏻 waiting for the next one already 🤞🏻 be safe 😷 Ori from Israel 🇮🇱.

[@TheEfficientEngineer]

Thank you! Hope it goes well!

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I wish u posted this 6 months ago where i was struggling with mechanics of material II ..lol ..great explaination and top quality animation as always

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I wonder who did this research. Euler. Of. Course. Great stuff man! 💯

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The Efficen Engineer At its very Best

[@prakhars962]

Euler considered this formula only worthy for the appendix. And after 300 years are still using it.

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Fantastic explanation Wish your videos were available when I was studying this, very clear easy to follow.

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waiting a long time for this video

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Really enjoyed studying this topic, specially thin plate buckling. Great video!!

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I have been waiting for months to see this. Please do more about fluid mechanics

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[@mericbuyukkoyuncu385]

Perfect explanation and summary for Buckling.