Strength of Materials | Module 2 | Principal Stress and Strain | (Lecture 18)

[@pratiksamarth7637]

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[@heisenberg7388]

Even I am preparing for MPSC 2021. I have a few doubts regarding the syllabus. Can you help me? Much appreciated.

[@anuragkhati4547]

In case of pure shear does the shear stress value is zero on principal planes ??

[@anuragkhati4547]

In case of pure shear does the shear stress value is zero on principal planes ??

[@ScholarStream_25]

@@anuragkhati4547 yes shear stress is zero on principal planes whereas the planes on which shear stresses acts are never free from normal stresses

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[@haseebhussain3327]

I'm from England but have Pakistani heritage and understand urdu/punjab I i know this is hindi based but still obviously understand it and I love this. It makes it so easy to understand the concepts which is the basis for being good at mechanics of materials. I love it. Thank you❤️

[@arzaltafchowdhary8312]

veno sir very nice .no doubt only love from south kashmir

[@anupamaprakash8301]

thank u sir......aapne bhut acha padhaya..mera som bhut hi week tha.par aap etna acha padhate h ki mera confidence ab badh rha h.plz upload more video of som....thank u so much sir.. bcoz aapke jaisa kisi ne mujhe ni padhaya...

[@aniljagatrampatle491]

Diagram se concept clear Ho jate hai sir... Kafi helpful hai diagram ki help me pdhana

[@rajeshrawat2310]

Honestly...Maine aajtak venugopal sir jaise conceptual teacher nhi dekhe❤❤❤

[@dharam9953]

Great sir. Never seen such type of lecture.

[@amoghmangalam3130]

Brilliant

[@piyushdeshmukh4282]

Editor Ko hat off..!

[@shivendrasingh2823]

One of the best Teacher ,I've ever seen ,Really I am able to connect the concept to numerical problems for Gate. Thankyou Sir!!😊

[@AjeetKumar-hy7cq]

Love you sir ji....first time who have clear my concept..🙏

[@subhadipghosh7943]

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[@harshrastogi6205]

sir please jaldi jaldi saare lectures upload kro.. bht accha explain krte ho aap.. acche se smjh araha h saare concepts

[@HarshKumar-nf7xr]

The best content on youtube for mechanical engineers

[@ashwiningle8335]

Apka ehsan kabhi nhi bhulunga... Bahutahi accha explain kiya hai apne. Thank u

[@adwaibowlekar3943]

Best explained

[@amirrazvi7541]

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[@VishalVispute05]

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[@alihamid272]

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[@prakritreeeeeee]

I needed to recapitulate my MOS to study Machine design. This video was very helpful and to the point. Thank you v much🙏

[@pradgadagkar8557]

Excellent Sir. Understood

[@vaibhavthorat387]

Awesome quality

[@uathavia1]

Thx foro the CLEAR explaination of the Principal stress concept

[@malikumerfarooq5414]

A great teacher with strong concepts and a nice presentation. Love from Pakistan

[@sher0335]

Excellent sir 👌👌👌

[@devangdave924]

Great video sir aap deep me aur bahot acche se samjate ho Thank u so much.... Gate acadamy andThank you so much Venugopal sir.

[@AlligatorAli]

Liked this video for the animation quality. 👍

[@srilatha1924]

A prismatic concrete column of mass density ρ supports its own weight, as shown in the figure. (Assume that the solid is subjected to a uniform gravitational body force of magnitude g per unit mass). Suppose that the concrete contains a large number of randomly oriented microcracks. A crack which lies at an angle θ to the horizontal will propagate if |Tt|+μTn>τ0 where μ is the friction coefficient between the faces of the crack and τ0 is a critical shear stress that is related to the size of the microcracks and the fracture toughness of the concrete, and is therefore a material property. By assuming that μ=0.7, using Mohr's circle, find the orientation of the microcrack that is most likely to propagate. Hence, find an expression for the maximum possible height of the column.

[@tranaydeshmukh4278]

Extremely impactful video sir

[@aksinha9275]

Outstanding sir...... Bahut acha concept hai sir aapka harek topic pe.... Sir compound stress ka next lecture via banayiye... Gate 19 ka exam bht pasand hai... Som me sirf isi pe doubt tha jo aaj avi tak bht mast concept mila... Plz sir iska next video vo daliye gate exam se pahle

[@Rahulkr123-c6j]

Very nice concept sir

[@rajraj-fk5bk]

Amazing concept clear 🇮🇳🇮🇳🇮🇳

[@aniljagatrampatle491]

Awesome teaching sir ji... Thank you so much

[@vandanadk9314]

Our teacher taught us with the same figures which you have but I understand yours clearly .

[@kuberthakur1873]

Sir whi treeka accha tha jsme aap marker se smjhate the 🥲🥲

[@sauravsuman6719]

Examples of Biaxial loading are incorrect. Balloon, Cylinder are triaxial (3D) loading cases.

[@neerajmanthalkar1868]

Agreed.

[@venugopalsharma1945]

You are wrong its for thin member

[@venugopalsharma1945]

If you take element on the surface its 2d

[@sauravsuman6719]

@@venugopalsharma1945 Yes, if the element is taken on the surface then it can be the case of biaxial loading. But you said.. ek element cylinder mein lu then, the whole concept is different. Anyways, I didn't mean to point out any mistake. You are making great videos.👍

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[@pragnesh097]

Best Teaching sir

[@vivekbishnoi1564]

Very nice presentation. The points are pin pointed and clear so that it helps in good note preparation. The discussion is to the point. Please continue this format in all videos.

[@psm07a]

Best platform best teachers.. wish you all the best sir . Thannq so much for awesome lectures.

[@prashantyelpale8140]

good presentation. I liked it.

[@raj76471]

gas in cylinders and balloons are an example of triaxial loading...it tends to change L , B, and H of the cylinder or balloon..............

[@yuwanbadini]

gas cylinders or baloons tends to increase in length and diameter... there is no b and w...

[@NAKK786]

Wow Explanation....

[@professor_AJ]

I believe that the example of balloon inflation (rectangular element on the inside) for biaxial loading is not correct. However if we consider any section on the surface( square element on the surface) of balloon being inflated it will more accurately depict the example of biaxial loading.

[@venugopalsharma1945]

yess

[@venugopalsharma1945]

yes you are absolutely correct but the thing is in thin section we generally considered the state of stress to be biaxial considering the various theories offailure even if you consider the state of stress of an element in inside surface as biaxial it wouldn't make a big difference in your calculations

[@kalyanpaluvai4667]

Thank you Sir, your lecture has cleared many doubts of mine.

[@सुधांशुमिश्र]

🙏🙏🙏wah sir thanks a lot for providing full concept of principal stress...

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[@yuwanbadini]

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[@muhammadzulqernain8903]

Nice effort by the way

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[@suyashsrivastava634]

Superb video

[@TanveerAhmad-gt8om]

Super Lecture , great vedio editing

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Good video sir pls upload all module video ..

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Excellent

[@hemantsingh2743]

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[@Bandnavlogs]

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[@muhammadzulqernain8903]

Cylinder, balloon etc are examples of tri-axial loading

[@sahilrana8186]

Wow! Thank you ❣️❣️

[@roshanrewane7125]

In that cylinder example it will also have stress in Z direction also right since pressure exerted in all direction is constant so how it will be example for biaxial stress?

[@PriteshsRhymes]

Exactly! It is example of triaxial loading

[@rohitthkr7996]

Sir one video on theories of failure please

[@rohitpawar7313]

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[@AlligatorAli]

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[@shyamkanduri3719]

Explain about complex stresses and strains

[@vaibhavkumar9894]

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[@MechTech17]

Sir please upload lecture on deflection in beams ..

[@dontlearnjustadaptit2832]

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[@mohdzafer1907]

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[@priyankavuta6229]

Sir please upload theories of failure lecture

[@vikas2435]

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[@yashok248]

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[@gauravvishnuvardhan]

Sir, you made my concept clear.

[@kamallaxmi4417]

Nice video

[@suryakiran3085]

pressure inside a gas cylinder acts across all axis right ?? same with all axis..

[@rajdeepbodh5847]

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[@YashChouhan-dg6wl]

The plane on which normal stress is max with bonus of shear stress to be zero is principal plane.

[@ushatilesveldone8379]

Salutes to you sirji

[@user-lj9eo3fe8l]

sir ye plane bolte he aap means isplane pe angle wo concept smj nhi aata inshort thoda 3d vise structure k sath ho ske to ?

[@chinthamsaisuman5402]

Sir explain about tangent and secant modulus of elasticity by stress strain diagram..

[@Maharajasworld]

Badhia

[@prashantyelpale8140]

Best !!!

[@vandanadk9314]

But balloon and cylinder are 3D so they can also become examples for triaxial loading 5:46

[@Gulam360]

Sir please don't mind aap sir figure hand se hi banaya kariye ya phir projecter se bhi bord pe le saktey hai bcz waise jada samjh me aata hai ya pe baad me add kiya gaya hai toh samjhne me problem hua ye video. Waise baki toh bahoot video dekh chuka hu thanks. Thermodynamics. Som thermodynamics ke baaho lectures

[@mhmdrafi]

I see ur video lectures are good but I don know hindi so Pls upload lectures in English for aspirants from another language

[@wearehereforyou8675]

Sir both the balloon and gas cylinder are examples of hydrostatic loading

[@artistic-v8411]

no

[@Santosh77able]

The plane of maximum obliquity is inclined to the major principal plane is at angle of???

[@SameerKhan-bz4td]

Sir what about tri-axial loading ? Please reply

[@SaurabhSharma-se1sj]

Biaxial loading k example m kya ...A bottle filled with water? Is example

[@YashChouhan-dg6wl]

yes.. I thought that too.

[@Prateekjena-r4w]

Tq❤❤❤❤❤

[@kamaleshm450]

simply wow! you are a great teacher and the editor did an amazing job as well

[@selvamraj11]

Particularly this lecture was delivered with nice slides(Animated), Could you please tell me the triaxial loading situation with practical example, just like 2d cases of gas cylinder/balloon..? Thanks

[@artistic-v8411]

Thick cylinder , hydrostatic loading and many more

[@gnananandaraotammineni3389]

Sir, what is the difference between the thick cylinder and cylinder (gas cylinder) in above lecture ? Thank you

[@kumarvishalanandanand9455]

Really helpful sir

[@MeAdityaSharma]

amazing explanation thankyou