What is Elastic Modulus?

  Рет қаралды 55,240

purdueMET

purdueMET

3 жыл бұрын

Elastic modulus describes the stiffness of a structure due to the material. Here's a clear explanation and an example. Check out the whole PurdueMET Channel at: / purduemet

Пікірлер: 84
@mechastudies1656
@mechastudies1656 2 жыл бұрын
“Not silly English units” loved that. Nice video, thanks for the explanation
@sarahluna4815
@sarahluna4815 3 жыл бұрын
Thank you so much for this video!! Hope that all professors teach like this (not just words, but with illustrations or visuals) Much appreciated.
@advjunkie94
@advjunkie94 2 жыл бұрын
Very clear and simple explanation. Thanks a lot. I wish everyone would get a teacher like you.
@thutmoseiii4583
@thutmoseiii4583 3 жыл бұрын
This was informative, thanks.
@amykearns5232
@amykearns5232 Жыл бұрын
Man, I'm in the process of going back to basics while studying for the Civil Structural PE exam. Your videos are great - so helpful and easy to understand. It's surprisingly easy for basic concepts to get dusty. Thanks for helping me dust off those cobwebs!
@GamingShiiep
@GamingShiiep Жыл бұрын
Me too. I'm studying a geoscience M.Sc., but sometimes these KZfaq visualizations and educational videos are just so much better to get back into the topic than reading these dry lecture notes.
@kaupark
@kaupark Жыл бұрын
All the best!
@amykearns5232
@amykearns5232 Жыл бұрын
@@kaupark thanks, I passed in November!
@kaupark
@kaupark Жыл бұрын
@@amykearns5232 Congratulations! I too passed mine in October...
@ofonwilliam
@ofonwilliam 7 ай бұрын
SO elaborate, true tutor!!!!
@nadhikary6741
@nadhikary6741 3 жыл бұрын
Thanks !! Waiting for rest of the videos...(:
@ethanjiinkies5450
@ethanjiinkies5450 3 жыл бұрын
Always appreciate your lectures for your viewers. Great quality and great explanations as always.
@purdueMET
@purdueMET 3 жыл бұрын
Thanks, I'm glad the videos are helpful :-)
@jaydeeppatil1488
@jaydeeppatil1488 3 жыл бұрын
Great video.Would love to see video on relation between modulus of rigidity,elasticity and poissions ratio.
@olaoluwaomopariola4867
@olaoluwaomopariola4867 3 жыл бұрын
Thanks a lot for this video... And all the others. They're really helpful.
@purdueMET
@purdueMET 3 жыл бұрын
Glad you like them :-)
@ravshanbekmavlonov2996
@ravshanbekmavlonov2996 9 ай бұрын
you made easy to understand what elastic vodulus is. Thanks.
@celinrooth2219
@celinrooth2219 2 жыл бұрын
Thank you Sir, This was really helpful
@2006mumu
@2006mumu 3 ай бұрын
thank you so much sir, after 15 years of graduation of bachelor's degree, I'm having a master's degree, and your explanation helps me a lot, i hope you are my professor sir, haha
@fatimakhan8470
@fatimakhan8470 Жыл бұрын
Thank you so much. it was a great lecture
@truelovedoesntexist4947
@truelovedoesntexist4947 2 жыл бұрын
You have a new subscriber sir. I loved how you explain and demonstrate what you are talking about. Helped me understand it better.
@purdueMET
@purdueMET 2 жыл бұрын
Wonderful, thank you :-)
@tomasenrique
@tomasenrique 7 ай бұрын
Every one is better than the other! Thanks!
@sajharguru
@sajharguru Ай бұрын
Thank you very helpful video ❤
@poojakushwaha756
@poojakushwaha756 3 жыл бұрын
Wow thanks for this video all my doubts cleared out
@purdueMET
@purdueMET 3 жыл бұрын
You're most welcome. I'm glad it helped :-)
@alexkid1
@alexkid1 3 жыл бұрын
Really helpful. Thank you.
@purdueMET
@purdueMET 3 жыл бұрын
You're welcome! Please share the link with others who might enjoy seeing the video :-)
@daryavoyush4949
@daryavoyush4949 6 сағат бұрын
thank you for your video!
@jeunfor
@jeunfor 3 жыл бұрын
Thx for quality lecture :)
@purdueMET
@purdueMET 3 жыл бұрын
You're most welcome. I like collecting views, so please share the link :-)
@mvcivil2411
@mvcivil2411 Жыл бұрын
Thank you sir.
@mohanbabupm5778
@mohanbabupm5778 Жыл бұрын
Wow wow amazing expln extremely thank full to ur video
@vikramjoshi3452
@vikramjoshi3452 Жыл бұрын
Hello, Professor! In this case, you are bending the material as opposed to the conventional compression or elongation used to obtain the stress-strain curve. Generally speaking, will the trends that we see here for bending be the same when compressing a material? I have recently started working with molecular crystals that researchers have labeled as elastic when they regain their original shape after bending, but I am not sure if the terminology is the same. Please let me know what you think. P.S.: this is a great video. Thank you for making it so simple to comprehend!
@mecanicoing9
@mecanicoing9 Жыл бұрын
Good introduction to E. Two questions, what is the relationship between E and the temperature of the material? And when doing stress calculations should we use the E at ambient temperature or at the design temperature and why? What is the proper approach?
@aryadev_an
@aryadev_an 2 жыл бұрын
Thanks alot sir 💗
@maazshariff9309
@maazshariff9309 3 жыл бұрын
Planning to meet you at NASA after I hopefully get a job there 🙄🙄. Thanks a lot for your initiative 😁
@onyiboemmanuel6060
@onyiboemmanuel6060 3 жыл бұрын
You are redefining my knowledge to 5G standard, thank you sir.
@purdueMET
@purdueMET 3 жыл бұрын
That's hilarious. I'm quite pleased to be of help :-)
@mahindarjubbal3257
@mahindarjubbal3257 Жыл бұрын
If you would have been my teacher I would have become an engineer. Other teachers and mediums should learn how to make learning this simple and enjoyable.
@prabodhgyawali743
@prabodhgyawali743 2 жыл бұрын
Nice drawing of the light beam
@jasgajaria
@jasgajaria 2 жыл бұрын
Doesn't the elastic modulus imply tensile stresses and strains? What modulus should one use for material selection when we don't want bending?
@arusan7854
@arusan7854 3 жыл бұрын
Hi Please can u help me in understanding why youngs modulus more than Yeild strength
@travelwithjashim
@travelwithjashim Жыл бұрын
thanks for nice vedio
@miguelferreiramoutajunior2996
@miguelferreiramoutajunior2996 3 жыл бұрын
Thanks. Nice didactics.
@purdueMET
@purdueMET 3 жыл бұрын
Glad you like them!
@moussajafaar7896
@moussajafaar7896 3 жыл бұрын
Thank you for this wonderful explaining, but I got a question If we are doing a tensile test and a compressive test to the same material with another Rod, Will the Elastic Modulus be the same at the two different tests?
@purdueMET
@purdueMET 3 жыл бұрын
Yes, elastic modulus is the same for tension and compression. This assumes there's no permanent deformation.
@HARI.ARRA.
@HARI.ARRA. Ай бұрын
Sir, how is it possible that concrete has a lower young's modulus than steel?
@sky-mi1ek
@sky-mi1ek 3 жыл бұрын
Difference between modules of elasticity and modules of rigidity and Bulk modulus and poison ratio..?
@staticentropy6822
@staticentropy6822 3 жыл бұрын
the thing that I can't quite get is this...knowing the fact that "E" is stress over strain...that should mean that if we have the strain and E we should be able to calculate mathematically the stress that was responsible for that strain....now does that mean that if we had strain caused by Tension we could find the stress that caused it using the Elastic Modules, and if we had the Strain caused by compression we could find the stress using the same modules (EX:210Gpa)....or does E for Tension deffer from E for Compression....and in bending is where it gets really complicated for me.....because in bending there are 2 stress's...so which one are we finding....and can we actually accurately calculate stress or strain using the Elastic Modules knowing that is another stiffness that is coexisting with the material stiffness which is the shape stiffness....too many questions...I don''t know...there must be something that i'm missing or not understanding correctly
@faridjahanipour7634
@faridjahanipour7634 Жыл бұрын
Thx professor
@purdueMET
@purdueMET Жыл бұрын
Glad you liked it :-)
@sir_tanmoy
@sir_tanmoy Жыл бұрын
❤2023 Viewers....
@user-ov2fq8fs9u
@user-ov2fq8fs9u 3 жыл бұрын
Good job
@purdueMET
@purdueMET 3 жыл бұрын
Thanks :-)
@abdulazizalhadlaq7521
@abdulazizalhadlaq7521 2 жыл бұрын
thank you
@purdueMET
@purdueMET 2 жыл бұрын
You're most welcome :-)
@habibaabdallah7448
@habibaabdallah7448 2 жыл бұрын
That's good 😊
@spurthichadharam9144
@spurthichadharam9144 3 жыл бұрын
So is young s modulus is directly proportional to strain and inversely to stress
@purdueMET
@purdueMET 3 жыл бұрын
stress = E*strain or E=stress/strain
@jayz9253
@jayz9253 Жыл бұрын
if Aluminum is more flexible than steel, why does my aluminum bike frame feel stiffer than a cheaper steel bike frame?
@rafaelmera3865
@rafaelmera3865 2 жыл бұрын
Me encanto cuando usted hablo en español, saludos desde Ecuador.
@sandiwijaya4964
@sandiwijaya4964 2 жыл бұрын
4:00 "not silly english units" lol.., Still, US got really great with the imperial unit. thanks for the knowledge
@spurthichadharam9144
@spurthichadharam9144 3 жыл бұрын
Material s strength depends on abilities to take more strain
@peterpersson1967
@peterpersson1967 Жыл бұрын
Great video, but it is missing a final 😀Why does everyone, yes EVERYONE "fail" to explain from WHERE this huge value comes from? How is it defined/tested/calculated for let's say a brand-new unknown material? How does this number define the stress/strain elastic angle?
@COOLJACE98
@COOLJACE98 3 жыл бұрын
No comments on this man's artistic abilities? Lol, He drew near-perfect vertical and horizontal lines while blinking.
@purdueMET
@purdueMET 3 жыл бұрын
Thanks :-) I think all engineers should take art classes. Also, I'm old enough to have learned drafting with a T-square and a drawing board.
@louf7178
@louf7178 3 жыл бұрын
"E for elastic, I guess", gee, make no assumptions, I guess.
@purdueMET
@purdueMET 3 жыл бұрын
Hmm, this is what engineering does to you :-o
@jackshawn4855
@jackshawn4855 3 жыл бұрын
Why elastic modulus in Gpa instead of Mpa Need brief plz
@maazshariff9309
@maazshariff9309 3 жыл бұрын
1gpa is 1000mpa so the poplar wood has a modulus of 8000mpa
@harithmohdnasir3911
@harithmohdnasir3911 2 жыл бұрын
Nain Nantucket Nelson River New Bedford New Siberian Islands 140.00 E Newtontoppen 17.45 Even North Cape 25.00 E North Kent Island Novaya Zemlya 30.53 E Novgorod 31.20 E
@maazshariff9309
@maazshariff9309 3 жыл бұрын
I'm preparing notes. U spoke 2 and a 1/2 pages😭😭
@moazzumgillani4852
@moazzumgillani4852 2 жыл бұрын
Did not explain what the numbers actually mean! It could be better if you add that for the same strain to generate in each of material, you need that much stress.
@chir0pter
@chir0pter 26 күн бұрын
How embarrassing for you to be using units that people who actually make stuff found effective for hundreds of years before moving decimal places with calculators was a thing
@usersslimss
@usersslimss 16 күн бұрын
☝️🤓
@sambot4547
@sambot4547 Жыл бұрын
English units are Far better sir!!!!!
@issamusawi
@issamusawi 2 ай бұрын
No.
@sambot4547
@sambot4547 2 ай бұрын
@@issamusawi yes!
@louf7178
@louf7178 3 жыл бұрын
It might be beneficial to explain that "modulus" means "a constant or coefficient that expresses, usually numerically, the degree to which a body or substance possesses a particular property (such as elasticity)".
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