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New Book on Polymers and Viscoelasticity

Submitted by cbrinson on
education
polymer
viscoelasticity
I wish to inform the imechanica community about my recent book,  Polymer Engineering Science and Viscoelasticity, Springer, 2008. THe book starts at the beginning and contains both the physics of polymers and the mathematics of viscoelasticity. It is also unique in the history of mechanics in being the (first ever?) father-daughter book. Those interested in polymer mechanics may find this a useful resource! It may be found in your library or further information can be found here

2014 US National Congress on Theoretical and Applied Mechanics

Submitted by Ravi-Chandar on
conference

The US National Committee on Theoretical and Applied Mechanics is seeking proposals from US institutions interested in hosting the 2014 US National Congress on Theoretical and Applied Mechanics. If you are interested, please contact K. Ravi-Chandar: kravi [at] mail.utexas.edu (kravi[at]mail[dot]utexas[dot]edu) for more information. 

PhD Position: Solid Mechanics/Biomechanics at KTH-Stockholm

Submitted by Gerhard Holzapfel on
job
biomechanics
solid mechanics
PHD position

PhD Position: Solid Mechanics/Biomechanics at KTH-Stockholm

A four to five-year PhD position focusing on the analysis of multi-scale phenomena in diseased blood vessels including atherosclerotic plaques has recently been opened at KTH Solid Mechanics. The position is fully supported by the Swedish Research Council.

Crack Propagation using XFEM ( What happens to dof's corresponding to enriched nodes)

Submitted by Kapil.Nandwana on
research
xfem
crack propagation
enriched nodes)

I am working on crack propagation . I am trying to figure what factors should be taken into account when the crack is being propagated using XFEM.

I am especially interested to know what happens to the additional dof's corresponding to enriched nodes. Once the crack is propagated and crack tip is at new location , we add new dof's corresponding to enrichment functions , but what happens to the information stored by the dof's of previous enriched nodes,do we forget them altotgether , or do we map it to the new enriched nodes?

Gradient based cohesive zone models

Submitted by Mohan Kulkarni on
research
fracture mechanics

Hello,

Strain gradient based (non-local) plasticity and damage models have been studied quite extensively in the literature.

 I was wondering if anyone has experience in the development of cohesive zone models that obtain the tractions in front of crack tip not only as a function of the diplacement jump, but also as a function of the gradient of displacement jump.

 If yes, can you please point me to the reference?

Evalauation of shape functions for nodes on the boundary in weak form

Submitted by Sharmistha.Sarangi on

I am doing my Masters Thesis on Application of Mesh free method on Laser cutting.

I am using Radial point interpolation method for evaluation of the shape functions.I have successfully applied it to the interior nodes and I am using weak form for the nodes on the natural boundaries.

I am facing difficulty in application of numerical integration for the functions in the weak form .I am using circular subdomain and applying Gauss quadrature formula for the numerical integration.

I would be glad if I can get some help in this regard.

Thank you

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