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Inelasticity of Materials:An Engineering approch and practical guide by Arun Srinivasa

Submitted by felton1990 on
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Plasticity
inelasticity
hardening law

Hi

Has anyone followed the book Inelasticity of Materials by Arun Srinivasa?

 I was interested in the way he used lumped parameter models to describe material behaviour in Chapter 3. Trying to follow his methodology I wanted to implement it for some experimental results I have.

 However, I have faced an obstacle in trying to work out the hardening modulus of the the material in question. He has worked it out for his example case by curve fitting but I am just not getting the answer.

Question about Smeared Crack models

Submitted by Superheru on
education

Hi, I want to ask you guys about how to model an unconfined conrete material with smeared crack model in abaqus 6.10, especially about what kind of parameter should I use and how much the value of parameter. I would really appreciate if you could give me some tutorial, explanation, or even an example of how should I model a smeared crack model in abaqus.

 

Thanks.

Distinguished Researcher to Speak at NJIT on Preventing Bone Loss

Submitted by TanjaLeijs on
education
engineering
biomedical
vascular mechanics
bone tissue

Biomedical researcher Stephen C. Cowin will describe a promising model for studying nutrient transport from the vascular system to bone tissue

Preventing bone deterioration is a critical aspect of combating osteoporosis, improving bone implants, and even making long-term space flight possible, such as voyages to Mars and beyond. On April 9, noted biomedical researcher Stephen C. Cowin will describe a promising model for studying nutrient transport from the vascular system to bone tissue, transport that has a direct bearing on the prevention of bone loss.

MS, PhD Candidate Positions on Computational Simulation of Composite Materials and Structures in Hanyang University, South Korea

Submitted by sungha on
education
Fatigue
computer simulation of composites
multi-scale analysis of composites
progressive failure

MS, PhD candidates for fall semester-2014 on computational simulation of composite materials and structures are available in Hanyang University, South Korea.

MWR for the first- and third-order differential equations

Submitted by Ajit R. Jadhav on
education
finite element analysis
Weighted Residual
Variational Methods

Hi all,

In engineering sciences, we usually end up using either the second- or the fourth-order differential equations, and the MWR (the method of weighted residuals) works pretty well for them.

The question is: how about the first- and the third-order differential equations? Why don't we see any applications of MWR for these odd-ordered differential equations? What gives?

Buckling analysis of a imperfection sensitive cylinderical shell under compression

Submitted by mani6555 on
education

I have carried out eigen buckling analysis of cylindrical shell under axial compression under unit load  using abaqus in model-1 and in model -2 i carried out riks analysis gave imperfection 0.2mm fotr shell thickness 2mm radius 0.25m,h=0.5 m after the 100 increment the the shell is subjected to load which is obtained from first buckling load in first mode  here how to get the collapse load

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