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UNSW - Aerospace Structures - Composites

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Fibre Reinforced Materials
Properties
Characterisation
Laminates
Classical Laminate Theory
Failure Prediction
For educational purposes only. Although care is taken to confirm the content of these lectures, the lectures should not be used for professional engineering activities. The author and presenter of these lectures takes no responsibility for the validity of these lectures beyond what is required as a lecturer at UNSW.

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21 авг 2024

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Комментарии : 44

@suyogdani2702 4 года назад

205:00 to 2:12:21 - Importance of ABD Matrix elements - was very good. Thank you

@SN-go2ut 4 года назад

proud to be a UNSW Aerospace alumni :) Cheers Dr. Garth!

@ryanforrey5588 9 лет назад

Excellent lecture! Really helped me learn. Thank you UNSW!

@jadooanimesh15 7 лет назад

I really wish the education was free everywhere. Thank you so much for the generous effort of sharing thins :)

@michealangelo3468 7 лет назад

Excellent Lecture. Thank you Dr.Garath. Quite useful for anyone who wants to refresh their basic knowledge on composites.

@kylehuber3323 4 года назад

Solid info. Well presented

@RUSHIRAJ31 9 лет назад

Thank you Prof. Garth. This lecture helped me a lot in clearing my basic doubts about the composites. I would also suggest you to post your lectures on Micro mechanics and Macro mechanics if possible. Thank you once again sir!

@hainguyenuc2757 7 лет назад

do you know macro and microscale? can you send to me: shipbuilding_dta10@yahoo.com

@gutibokeron 5 лет назад

Thanks for the video! Really helps me brush up my mechannical engineering knoledge!

@kylehuber3323 4 года назад

Apparently not your grammer though lol

@whoeverwhoever400 9 лет назад

holy cow! 3 hours class. must be tough.

@fabricioramosfranca1933 6 лет назад

This Chanel is amazing!

@GrummanTiger1 Год назад

Extremely informative and well-presented - thank you! But, somehow the Q12 and Q22 terms seemed to have been switched at ~2:14 from what they had been shown at ~1:19 and the Excel sample at ~1:34.

@Emc-pb5kz 4 года назад

Thanks Doc very informative

@danpt2000 6 лет назад

Would be great to see correlation between these derivations and calculations with Test data.

@amarrch100 7 лет назад

How important multiscale technique is to predict failure of composite materials? In practice, do engineers prefer classical analysis approach? Or, are they also considering multiscale techniques?

@julianchee2894 Год назад

Do you have any good resources for calculating the mechanical properties of a woven lamina (like twill weave) ? instead of a unidirectional lamina. Thank you

@LivYi 9 лет назад

There´s just a minor error, on the slide at 1:30:31, with the LHS of the matrix in 2nd matrix equation [(6x1 = (4x4)(4x1)], isn´t there?

@AerospaceStructures 9 лет назад

Liv Yi It is 6x1 = (6x4)(4x1) There are six separate rows in the matrix. Daniel and Ishai is a really great book for this analysis. www.amazon.com/Engineering-Mechanics-Composite-Materials-Daniel/dp/019515097X

@europaeuropa3673 5 лет назад

I've read it is wrong to bond carbon fiber to fiberglass because they have different strain resulting in one failing before the other. Also, I've seen hard points(metal bushings) embedded in fiberglass and carbon fiber. Is this a bad practice? I've seen holes drilled into a carbon fiber spar and bushings embedded for hard points. Is this a bad practice?

@nickcook7408 2 года назад

Very bad practice indeed. We lay the metal hard points for bushes and fixings etc in the very beginning stages when the fabric is being layer in the mold. To lay it, cure it, bake it etc and then cut holes out of the media is entirely the wrong way to go about things. On the other hand, I work with guys who are very worried about tenths of grams and thousandths of seconds so we really have to output the closest-to-perfect items imaginable. If you’re making decorations and toys and items that dont have the ability to make or break billion plus pound contracts, you can treat it like plastic and drill and cut whatever you want because it’s not that important. Judge it on a case by case basis.

@rahulkarmankar1994 6 лет назад

Good

@suyogdani2702 4 года назад

CLT - 1:50:32

@k.ganesanganesan6825 7 лет назад

This Composites saves FUEL.

@karanthtradingroom4839 9 месяцев назад

Sir, do you have any latest video on composites..

@3lmyountf3beh 7 лет назад

how can i get subtitles ?, thanks in advance

@kerolosamin7432 6 лет назад

Thank you so much

@aritram10 6 лет назад

I want to do research @UNSW

@TennisGvy 8 лет назад

When you were an hour and fifty minutes in and just STARTING CLT I felt pretty bad for ya haha

@cupmike 9 лет назад

Are there any breaks edited out or did Garth present for a solid 3 hours?

@AerospaceStructures 9 лет назад

cupmike Two 10 minutes breaks edited out. It is still tough to teach though.

@simonromijn3655 3 года назад

Is there anyone working on how to create low density, flexible and strong tensile materials to improve earthquake resilience in construction?

@nickcook7408 2 года назад

Better yet, buy a house in an area NOT prone to earthquakes.

@sawyerheslep8493 4 года назад

Carbon fiber toilet seats!

@zip7806 5 лет назад

If you have a Carbon Toilet Seat in your RV or Airplane. You will get improved Fuel economy. !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

@kylehuber3323 4 года назад

Over cheap lightweight plastic? No

@SAINIVEDH 6 лет назад

How come no one noticed the error at 2:00:15 slide, line 3(shear strain). The dx, dy must be interchanged for the first two terms(Uo,Vo)

@AerospaceStructures 6 лет назад

Good pick-up. I've just fixed my slides. I'll be delivering this lecture again in a few weeks to a fresh batch of 3rd year Aerospace Engineering students at UNSW.

@nickcook7408 2 года назад

Not a lot of people understand shear. The transition from elastic to plastic goes over most of their heads.