Professor Ali H. Nayfeh passed away today Monday (March 27, 2017) at his home in Amman, Jordan. He was the University Distinguished Professor of Engineering at Virginia Tech Wikipedia
We mourn Nayfeh's passing with deep sadness for the loss of a giant in dynamics and structural mechanics.
The Composites Materials Group (http://www.materials.imdea.org/groups/cm/) at IMDEA Materials, led by Drs. Carlos González and Cláudio S. Lopes, invites applications for a Postdoctoral Fellow in the field of multiscale computational mechanics and optimization of advanced composites. Candidates with strong background knowledge on computational damage mechanics, model development, numerical simulation and optimization methods for advanced composite materials and structures are strongly encouraged to apply.
New article: Nonlinear programming and closest point return plasticity http://www.parresianz.com/mechanics/plasticity/algorithm/primal-dual-closest-point-return/
This article tries to justify the use of backward Euler stress updates.
-- Biswajit
Dear all,
Our group recently published an article on development of strain hardening cementitious composites incorporating phase change materials.
It is available at:
https://www.researchgate.net/publication/315636295_Development_of_ducti…
The abstract is given below:
In Part 5 of my series on return mapping for plane stress plasticity, I claim that the obsession with backward Euler is not justified if accuracy is important. See http://www.parresianz.com/mechanics/plasticity/algorithm/plane-stress-drucker-prager-return-part-5/.
Let me know if you disagree and why.
-- Biswajit
Parts 3 and 4 of the series on plane stress Drucker-Prager plasticity are now online. More to come soon.
Check out
http://www.parresianz.com/mechanics/plasticity/algorithm/plane-stress-drucker-prager-return-part-3/
and
http://www.parresianz.com/mechanics/plasticity/algorithm/plane-stress-drucker-prager-return-part-4/
The attached results address the extent to which the presence of a nanograined, dynamically recrystallized phase may soften a material (in that case Ti6Al4V), causing ultimately failure by shear localization.
Comments welcome.
D. Rittel
I have been told that it is no longer needed to search for papers on regular libraries and libraries' services, as there is this web site which contains much more than even the best "legal" library www.sci-hub.cc
