nmag
nmag is a micromagnetic simulation package based on the general
purpose multi-physics library nsim. It is developed
by the group of Hans Fangohr and Thomas Fischbacher in the School of
Engineering Sciences at the
University of Southampton and released
under the GNU GPL.
Features in brief:
- based on finite elements (suitable for non-cuboidal structures)
- problem description in Python, therefore high degree of flexibility
- inbuilt mesh post processing tools
- efficient data storage (binary compressed) and extraction into vtk
files (of course the raw data can be extracted)
- arbitrary crystal anisotropy
- (pseudo) periodic boundary conditions ("macro geometry approach")
- Spin torque transfer (Zhang-Li model for uniform current density)
- extensive documentation in html
and pdf, including Tutorial
- download as source, debian package,
(VMWare) virtual machine and bootable CD/DVD ISO image
This software was developed at the University of Southampton, United
Kingdom. It is released under the GNU General Public License (GNU GPL)
as published by the Free Software Foundation; either version 2, or (at
your option) any later version.
Nmag is an experimental system. Neither the University of Southampton
nor the authors assume any responsibility whatsoever for its use by
other parties, and makes no guarantees, expressed or implied, about
its quality, reliability, or any other characteristic.
New: Fully funded PhD studentships in micromagnetic modelling available for 2009.
30 March 2009
Update 0.1 beta (6163)
20 November 2008
Update 0.1 beta (5962)
10 - 14 November, MMM Austin, Texas
Matteo Franchin and Andreas Knittel represent the Nmag team at the
MMM. They are happy to approached with Nmag-related queries. They
will give the following presentations:
| Session: | EH Numerical Methods and Magnetic Simulations |
|---|
| Date: | Thursday 13 November 2008 |
|---|
| Time: | 9:24: The macro geometry (new approach to periodic boundary conditions as available in Nmag) |
|---|
| Time: | 9:36: Scriptability and interactive parallel micromagnetic simulations (about the Nmag concept of 'writing micromagnetic simulation programs') |
|---|
| Time: | 9:48: Matrix compression using the H-Lib (for large simulations of systems with large surface area) |
|---|
| Location: | Meeting Room 410 |
|---|
They will also attend the Open Forum on Micromagnetic Modelling
Wednesday evening (20:00-22:00).
13 October 2008
Update 0.1 beta (5878)
2 September 2008
Update 0.1 beta (5834)
8 August 2008
Update 0.1 beta (5787)
Older news items
The following versions are available:
The development of the nmag tool has been financially supported by the EPSRC, Grant GR/T09156/01, EP/E039944/1 (United Kingdom).
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