Fatigue (Strength-Number of Cycles) SN-DIAGRAMS in Under 10 Minutes!

[@jingchen2605]

Sir, I would like to express my heartfelt gratitude to you for creating these instructional videos. They have been immensely beneficial to me. I spent the entire semester trying to grasp the concepts, but I couldn't understand a word my professor said. However, you managed to clarify everything in just 10 minutes! You are truly an amazing teacher!

[@almeida_jonatas]

This video was one of the sources I studied to prepare for my thesis defense and get my engineer degree. Thank you very much, sir! Your channel was mentioned.

[@jesse6002]

ive taken this class twice and watched this video multiple times, and I think its finally starting to click. thank you for being so concise with your explanations!

[@sandisomatu1131]

Did you pass?

[@madapakerbitzz7633]

Bro don't read when presenting that is a bad hobbit

[@sourabhborkar8167]

I wonder how you have less than 1000 subscribers 😭😭. Your explanation is wonderful!

[@LessBoringLectures]

Thank you! 😃

[@multifat8416]

just subscribed 😉 Great channel guys, thanks for all these interesting and clear videos!

[@daud_hasan]

What is the difference between paris equation approach and SN diagram approach?

[@josueestrada9522]

Thank you!!! these are great

[@jackrax6596]

How to define cycle on endurance limit?

[@SlicesMCGaming]

Helped me understand my homework, thanks!

[@rajeevmnaik001]

Thank you sir for sharing your knowledge. It really helped me. In fact all your videos

[@franksaruhan]

That is great.

[@nellaiapperanand3007]

Thanks a lot, sir... in-depth level of explanation! I'm check this for my FEA project

[@2992.k]

Thank you so much

[@kiciusKit]

Thank you for great videos. Could you provide a literature where you are taken charts?

[@LessBoringLectures]

Thanks. Most of them are looked up online. For example: "fatigue f coefficient chart". Shigley's mechanical engineering design usually comes up.

[@jakub9802]

Thank you, you've saved me alot of time, I was searching for this with wrong google phrases I guess xD

[@mono7891]

Thank you very much for great explanation

[@masooncap9769]

machine design exam tomorrow, this came in clutch lol

[@sansumo]

Excellent presentation. Found your channel and loved it. Just wanted to point out that the SN charts are based on a log base of10. You might want to recheck the derivation at 5:36 . Thanks

[@jaforikbal6388]

Which Book you are following??

[@heattransfer8003]

subjected to sigma ar is the maximum stress over the body of 45 ksi after the static analysis?

[@LessBoringLectures]

σ_ar is the alternating stress that we get after performing the stress analysis; there's no static loads in this problem.

[@heattransfer8003]

@@LessBoringLectures @Less Boring Lectures so how do i validate my piston arm fatigue analysis with hand calculations ? I dont know the alternating stress or i can say for example material has 300 MPa yield strenght and i assume that alternating stress is %20 of that. So 300 times 20 / 100 = 60 MPa alternating stress for fully-reversed analysis. Am I right?

[@mitikumelkamsew1470]

thank you. very helpful

[@muinabdullahal755]

Hi! Could you provide the method for determining all coefficients of Nasgro equation?

[@LessBoringLectures]

I am in fact planning on adding this. I'll come back to Mech Design videos in about 2 months, though. I'm working on other lectures at the moment.

[@interhaker]

thanks man. much appreciated

[@sohamyerandkar2020]

nice content can be slower cuz pening down notes becomes really hard

[@LessBoringLectures]

Yes, the idea is for viewers to take in the overall main concept and pause to take notes, if needed. It's an alternative to doing what everyone usually does with all the other lecture videos out there: watch long lectures at 2x speed and skipping contentless parts. But thanks for the note; I might start adding two versions of lectures, or even a separate channel for regular, in real time explanations.

[@OriginalName83]

You can always pause the video

[@pochinki4352]

Can i contact you

[@Poovelan]

Very nice 👌👍👏

[@nursaqinah2139]

Hi sir, how to convert the number of cycles (N) obtained from Sn curves to years and minutes?

[@OriginalName83]

That would depend on the frequency of your cyclic loading.

[@mulanshiba2608]

Why you hurry so much?