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damage to fracture (formation and propagation of the discontinuity)

Submitted by saeedhatefi on

hello,



I am working on modeling of Continuum damage in isotropic materials. I have written a Matlab code for modeling of a continuous damage and I have verified it with several examples. In this modeling, I have mesh-size independent through the smeared damage model. Now, my aim is to present a continous-discontinous model.



Student Travel Award and Paper Contest IMECE 2012

Submitted by Huajian Gao on



The AMD Executive Committee (EC) is pleased to announce a student travel award and best paper competition at IMECE 2012 (http://www.asmeconferences.org/congress2012/) this year. This award is aimed to encourage younger members and particularly graduate students to participate in IMECE and the activities of the Division.



Stage 1:



Faculty Position (Permanent) at the Australian National University (ANU), Australia

Submitted by ChangyongCao on

Senior Lecturer/ Associate Professor (A182-12MY) position at the Australian National University (ANU)

Term of Contract: Permanent

Closing Date: 15 July, 2012

Shear waves, medecine and brain

Submitted by tlaverne on

 Usually ultrasound equipment in medicine only use compressional waves.
But since human tissues have a high bulk modulus, the P-wave speed is
relatively constant (around 1580 m/s). Human tissues are very stiff if
you apply isotropic constraints on them (like pressure of water).
However M. Fink and his colleagues proposed a new way to investigate
human tissues by first sending a strong compressional wave in the tissue
that is able to make ripples in the body, then shear wave are produced

Analyzing a 2D Truss With abaqus - Problem with forces at each element

Submitted by farhang_760 on

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Calculating BMD for a hollow pipe beam

Submitted by nickg on

I have tested steel pipe (as a beam) under lateral distributed loads. Longitudenal strain gages are on the top and bottom lines of the pipe. Could any one suggest to me how can I derive the bending moment distribution along the pipe. I have E, I , t (thickness, and r(radius) for the pipe.

 I have found a formula from litrature as follows : M = K.E.I

Where K = curvature = 0.5 * (ε_tension side - ε_compression side) / C (i.e the Half Section Depth, or pipe radius)