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# rajan_prithivi's blog

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

Sun, 2017-07-23 00:17 - rajan_prithiviTo 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) ?

Sun, 2017-07-02 09:46 - rajan_prithivi

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

Mon, 2017-06-26 12:44 - rajan_prithiviHere 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

Thu, 2017-06-22 14:59 - rajan_prithiviI 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

Thu, 2017-06-15 15:50 - rajan_prithiviBelow 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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