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rajan_prithivi's blog

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Stress concentration explained without math equations

This VIDEO  gives a  very intuitive explanation of stress concentration  with an analogy and an experimental demonstration.

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Visualizing bending and torsional deformation using experiment

This video  contains an experimental demonstration of a simple bending and torsion and further speculate the nature of stresses induced by the respective loading scenarios

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Isotropic & Kinematic hardening

This video gives a basic overview of the most fundamental hardening models of plasticity, which are the isotropic and kinematic hardening

 

Hope this helps!

- Prithivi

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Basics of plasticity theory in 6 min

This video explains the very fundamental points with regard to plasticity theory. It covers the following -

 

1) Why study plasticity ?

2) Additive decomposition of strain

3) stress and strength

4) Yield condition , flow rule & hardening rule

 

-Prithivi

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Overview of solid mechanics

 

This video (LINK)  attempts to give the big picture of solid mechanics along with the brief explanation of the constituent topics.

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This is an educational outreach initiative targeted at all engineers interested in mechanics and seek simpler explanations. Kindly share if you learn something out of this !

 

Thanks,

Prithivi

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How are principal planes & eigen vectors of the stress tensor related ? | An intuitive explanation

To obtain the principal planes we construct the stress tensor and find the eigen vectors. Here is an attempt to explain it more intuitively rather than the use of the formal mathematical method. Hope you enjoy this video!
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This is an educational outreach initiative targeted at all engineers interested in mechanics and seek simpler explanations. Kindly share if you learn something out of this !

Here is the link to the VIDEO

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What are Principal Stresses (explained without math equations) ?

 

In the following video, I have tried to explain the concept of principal stress in a more physical way and without involving any mathematical equations, hope you can easily imbibe the concept.

Here is the link to the video : Principal stresses

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Failure of brittle materials using simple experiments- Part 2

Here is my second video, where I tried to explain the concepts of stress state, principal stresses, Mohr circle and failure theories in layman's language and associated these concepts to explain the failure of a brittle material. This is an educational outreach initiative mainly targeted at the undergraduates (mechanical/civil/aerospace and materials engineering) studying mechanics and also other me

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Concept of state of stress in a simple way

I tried to explain the concept of state of stress in a simple way, here is the link to the video - state of stress

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Failure of brittle materials using simple experiments -Part 1

Below is the video link to my first lecture video, where in I tried to demonstrate the failure of brittle materials using simple experiments.
https://www.youtube.com/watch?v=yG76IhmKyRY&t=1s

 

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