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Mogadalai Gururajan's blog

Maurice Jaswon: link to a biographical note

Submitted by Mogadalai Gururajan on

I recently posted a C code for the solution of Eshelby problem based on the paper by Jaswon and Bhargava.

In the last couple of days, I learnt that Jaswon also worked with Cottrell on solute drag and is one of the pioneers of boundary element method. The following paper by Martin gives a nice introduction to Jaswon and his work -- along with a complete listing of Jaswon's papers. There is also a lovely photograph of Jaswon with R D Bhargava in the paper and the first few references are also a good place for those who want to understand the history of boundary element method.

Research Assistant and Research Associate Positions at IIT Bombay

Submitted by Mogadalai Gururajan on

We are looking for applicants with Masters or PhD degrees with expertise in C programming (parallel programming skills are preferred but not essential), numerical solutions of partial differential equations (finite difference / Fourier spectral tehcniques are preferred) and linux based computers and high performance computing clusters (GPU exposure is preferred but not essential). The positions are for a duration of 21 to 24 months.

Eshelby solution: 2-D code for benchmarking

Submitted by Mogadalai Gururajan on

This is a C code based on Jaswon and Bhargava for 2-D solution for the Eshelby problem. Please feel free to write to me in case you find any errors. I am sharing this code under GNU GPL license. In order to upload the code, the file extension is given as txt. Once you download the code, remove the .txt and keep only the .c extension. The command

gcc JaswonBhargava.c -lm

will compile and give you the executable to run.

Growth kinetics of precipitates: misfitting and non-misfitting

Submitted by Mogadalai Gururajan on

Quantitative studies on diffusional growth of an isolated
precipitate in a supersaturated matrix date back to the classic work of
C Zener (1949) and F C Frank
(1950); while Zener-Frank (ZF) theory is for precipitates that are
non-misfitting, misfitting precipitates have been studied by Laraia,
Johnson and Voorhees (1988) (hereafter, LJV). Both ZF and LJV are sharp
interface models (and are mostly analytical); further, the assumptions
made in these theories make it difficult to verify their results by

New category for open source codes

Submitted by Mogadalai Gururajan on

Update: An Open Source Review page has been created. Please feel free to leave links, codes and comments on the page. 

Dear Mechanicians,

I have seen that there is lot of code sharing among the mechanicians at iMechanica; a search for the word "code" for example produces nearly fifty entries, of which, I believe, at least half of the posts are pointers to codes and their sharing.