Combined Loading 3-D Example (Part 2) - Mechanics of Materials

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structurefree

structurefree

Күн бұрын

Пікірлер: 67
@ceciliaallor9561
@ceciliaallor9561 10 жыл бұрын
You are a beautiful human being. Seriously, I'd be so lost without you. Thank you for not taking any shortcuts!
@FioDavid767
@FioDavid767 4 жыл бұрын
Crazy how this was made when I was 12 and now I am watching this in my first-year mechanical engineering being 19, learning from this. Thank you for not taking shortcuts and explaining why you are doing things, and of course, keeping it fun with jokes! You are helping more than you think!
@ibrahimjaafar6172
@ibrahimjaafar6172 4 жыл бұрын
this thing from 2012 is still saving us in 2020, thats what we should be investing in
@structurefree
@structurefree 4 жыл бұрын
Yessss! Old school for the new school.
@justinfoto
@justinfoto 7 жыл бұрын
I really appreciate you labeling the faces. You da real MVP. Structure freeeee!
@optimisePrime79
@optimisePrime79 4 жыл бұрын
That was really well described. You just tied in 2 whole courses on stress and failure analysis perfectly. Awesome work, thank you!
@alexenriquez1061
@alexenriquez1061 9 жыл бұрын
Such an easy way to use basic statics knowledge to explain this kind of problems! Great video!
@tetw34
@tetw34 10 жыл бұрын
you are a god send man. you videos are simply amazing. I learned from this video what my teacher has been attempting to teach in a month
@danaangelupongan8746
@danaangelupongan8746 10 жыл бұрын
My teacher in our school is useless! Dude you're helping me pass my course! Woohooooo baaam thaaaanks!!!!
@j.s.s9108
@j.s.s9108 6 жыл бұрын
you're an angel you got me out of loops of confusions
@Samcanplaymusic
@Samcanplaymusic 6 жыл бұрын
Dude, you are a phenomenal teacher.
@talhakhalid8547
@talhakhalid8547 7 жыл бұрын
You are an AMAZING person. Seriously, a gift from God . Keep up the work
@mateope10
@mateope10 11 жыл бұрын
So much better than my teacher :) all my thanks to you!
@MM-hs7xo
@MM-hs7xo 5 жыл бұрын
Amazing lectures, find your video right the night before final. Great Video!
@Machiniacal
@Machiniacal 12 жыл бұрын
have a test on this stuff in half an hour. And now i might pass it, thanks!
@commandconquerfitness1506
@commandconquerfitness1506 7 жыл бұрын
Thank you Dr. Lee! I wish I had you for mechanics of materials in session three this summer!
@thobi6639
@thobi6639 6 жыл бұрын
Its been a journey. Thank you for that clarification!
@structurefree
@structurefree 6 жыл бұрын
"Ain't about how fast I get there Ain't about what's waiting on the other side It's the climb" - M. Cyrus
@emelyr8506
@emelyr8506 4 жыл бұрын
You are such an amazing teacher! Thank you for this explanation.
@amatoallahouchen5894
@amatoallahouchen5894 2 жыл бұрын
that was brilliant and extremely instructive thanks a million!
@Awakentogrowth
@Awakentogrowth 4 жыл бұрын
Professor: You will learn this next year Next year's professor: You should have learned this last year Structurefree: You are going to learn this and there is literally no better way
@structurefree
@structurefree 3 жыл бұрын
Ball so hard mofos wanna find me...
@prerakvaishnav7512
@prerakvaishnav7512 8 жыл бұрын
You are a life saver. I needed this
@kabbirhossain7816
@kabbirhossain7816 4 жыл бұрын
Who else feels the same joy as him at the end of the problem where we get the 2D element?
@laurahernandez6595
@laurahernandez6595 9 жыл бұрын
Simply amazing work! I actually understand what's going on with the hw! Thank you! wish me luck on my Final!!!!
@NSBeverything
@NSBeverything 7 жыл бұрын
wow....great example of combined loading...tq
@nickknauer15
@nickknauer15 12 жыл бұрын
This is great thanks man, this really helped a lot. I can actually pass this test now!
@layu83
@layu83 7 жыл бұрын
almost like an angel sent by god thank you so much may god bless your soul
@agggg3524
@agggg3524 5 жыл бұрын
Sure it is a nice problem. You have covered a great amount of applied theory from mechanics of materials. Not realy the 75% but it is still good enough. More videos pls!!
@Hitori06
@Hitori06 10 жыл бұрын
You're great! Such a fun lecture
@holdentranquillo6605
@holdentranquillo6605 6 жыл бұрын
Thanks for this vid helped me out a lot
@masonhong6106
@masonhong6106 7 жыл бұрын
watch this tube!! recommended. well made. thumbs up~!!!
@kking9001
@kking9001 6 жыл бұрын
I frickin love you man
@jee-mains
@jee-mains 4 жыл бұрын
you made a simple problem very lenghty
@brianwin5183
@brianwin5183 4 жыл бұрын
Thank you.
@abdulrahmanradwan2046
@abdulrahmanradwan2046 4 жыл бұрын
Nice
@mohammedalameri4763
@mohammedalameri4763 10 жыл бұрын
Thanks for the great video. you should consider teaching.
@CoolEnd88
@CoolEnd88 11 жыл бұрын
thanks a lot man.. these stuff were helpful
@NoLimitsThings
@NoLimitsThings 7 жыл бұрын
This helped a lot, thanks.
@hamza23ozil
@hamza23ozil 7 жыл бұрын
Why is the stress state in the final plane in the x direction and not the y? How did you determine that?
@OMGitzBadCompany
@OMGitzBadCompany 9 жыл бұрын
How did you know to draw the final 2D element in the orientation you did? Why not 90 degrees to that for example?
@structurefree
@structurefree 9 жыл бұрын
+xNo L1m1tZx it depends on the cut, the internal loading, and the stress profile.
@hulkonsteroids7360
@hulkonsteroids7360 5 жыл бұрын
in final 2D element normal stress y=0 always? there should only be 1 normal stress right? some problems have normal stress y and x w/ shear and plot it on mohr's circle
@irislu815
@irislu815 7 жыл бұрын
this is very helpful !! thank you!!
@dalonsosigrah
@dalonsosigrah 11 жыл бұрын
gooood stuff
@shivamp5410
@shivamp5410 6 жыл бұрын
Why is shear stress 0 due to Vz???
@agggg3524
@agggg3524 5 жыл бұрын
Shear force causes a small shear stress compared to the normal force caused by a moment. Compare tau_B on Vx 212 psi vs. Sigma_B on Mx is 6 11 ksi. Ksi is way bigger than psi.
@robertbrown7466
@robertbrown7466 7 жыл бұрын
In this example you used the z-axis as the neutral axis, I'm just wondering why?
@michelleleonrosero2997
@michelleleonrosero2997 4 жыл бұрын
At 6:57, would someone be able to explain why the My (Torque) is going in that direction? He said My acts CW, is this a sign convention for determine the direction of shear force ? Thank you in advance!
@JaxRayne
@JaxRayne 10 жыл бұрын
I'm a little confused on the end part. I thought M_x can only create a normal stress in the y direction, so shouldn't we end up with sigma_y and not sigma_x?
@structurefree
@structurefree 10 жыл бұрын
JaxRayne M_x and M_y cause stress normal to the cross-section...it's like biaxial bending. to get a normal stress in the y (sigma_y)...this thing would need to be a pipe and have some internal pressure.
@JaxRayne
@JaxRayne 10 жыл бұрын
Ah thank you! :)
@diaaeldinismail6496
@diaaeldinismail6496 9 жыл бұрын
structurefree but the force in Y directon causes normal stress plus bending monent Mz
@shivukuderu
@shivukuderu 6 жыл бұрын
which application you are using for presentation please?
@basmahota2080
@basmahota2080 7 жыл бұрын
why is My a shear force but Mx normal?
@carloq1987
@carloq1987 10 жыл бұрын
wasnt Ny -800 ksi so isn't that in compression and not tension?
@structurefree
@structurefree 10 жыл бұрын
carloq1987 are you referring to force or stress?
@Hitori06
@Hitori06 10 жыл бұрын
no Ny was -800lb* meaning it points out of the cross section instead of into the cross section which makes it a tension stress.
@alexanderclark6889
@alexanderclark6889 9 жыл бұрын
7:09 "WHHHHOOOOOOOH"
@katelinomecinski4173
@katelinomecinski4173 7 жыл бұрын
why is shear stress due to V(z)=0?
@structurefree
@structurefree 7 жыл бұрын
+Katelin Omecinski depends on the location of the cross section where the stress is being calculated.
@pjobryan1
@pjobryan1 6 жыл бұрын
not really the best answer..... is it because Q become zero? is it a rule that when we find shear stress on a same axis the shear force acts its zero?
@farahizzah4939
@farahizzah4939 6 жыл бұрын
thank you so muchhhhhh
@devvv4616
@devvv4616 8 жыл бұрын
why is Mz=0??
@dl3537
@dl3537 7 жыл бұрын
you're out of your mind man
@karanchowdhary5969
@karanchowdhary5969 4 жыл бұрын
Vedio quality unable to see clearly
@FawazBnMohammed
@FawazBnMohammed 7 жыл бұрын
dislike, i get stuck a lot in your videos. you dont explain why you chose this area or why that value is zero etc. you just say that is zero and thats it. you dont spend more than 3 seconds on it. so annoying
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