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Question regarding applicability of J-integral in LEFM

Submitted by Zoeb Kaizar La… on
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hi, 
I am a Student of 2 year M. Tech. studying in S. V. National Institute of Technology, Surat. My name is Zoeb K Lakdawala. My topic for disseration is ''Implemenation of Fracture Mechanics on Pressure Vessels". In my disseration I want to develop a code on fracture mechanics and compare it with standard Packages like ANSYS & ABAQUS

 

However, going through the books I have found that in
1. Plane Strain Mode the thickness of the material is very high

Lecture notes of interest to mechanicians

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lecture notes

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Introductory Mechanics of Materials/Material Behavior

Griffith

Submitted by Rajesh Prasad on
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Griffith's equation

I teach Materials Science to undergraduate engineering students. We devote 2 or 3 lectures on Fracture where we mainly introduce Griffith's formula and the stress intensity formula. I face a difficulty in reconciling the two which I would lke to present here.

The Griffiths equation gives the fracture stress s for a given crack size c:

s=sqrt[2 E g/ (p c)] (1)

The stress concentration formula gives the max stress at the crack tip as

s=s0 [1+2 sqrt (c/r)] (2)

damage mechanics

Submitted by nilesh on
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Hi , I am a  working on a project of  Continuum Damage mechanics in Composite . But  I do not have much idea about Damage mechanics . I am getting lot of diffculites to understand this topic .

   So please  anyone let me know any basic literature, lecture notes where I can find all basic information about Damage mechanics .

Thanks in Advance,

Regards. 

 

 

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