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Biswajit Banerjee's blog

Creating a multi-keyframe animation with d3.js.

Submitted by Biswajit Banerjee on
education
javascript programming

Creating a multi-keyframe animation with d3.js.  http://www.parresianz.com/javascript/d3js/d3-animation-closest-point-return/

Something that should be in the toolbox of every modern researcher.  Static plots in journals are not good enough given today's technology.

-- Biswajit

Nonlinear programming and closest point return plasticity

Submitted by Biswajit Banerjee on
education
Plasticity

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

Forward vs backward Euler for return algorithms

Submitted by Biswajit Banerjee on
education
2D plasticity

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

More on plane stress Drucker-Prager plasticity

Submitted by Biswajit Banerjee on
education
2D plasticity

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/

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