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MERRILL: Micromagnetic Earth Related Robust Interpreted Language Laboratory.
Pádraig Ó Conbhuí1, Wyn Williams1, Karl Fabian2,3
1School of GeoSciences University of Edinburgh Edinburgh United Kingdom.
Geochemistry, Geophysics, Geosystems : G(3)
|June 26, 2018
Summary
MERRILL is new open-source software for 3D micromagnetics. It models complex magnetic domain structures and energy barriers in paleomagnetic samples using advanced algorithms.
Area of Science:
- Geophysics
- Materials Science
- Computational Physics
Background:
- Complex magnetic domain structures influence pseudo-single-domain phenomena in rock magnetism.
- Understanding these structures is crucial for interpreting paleomagnetic data and magnetic remanence.
Purpose of the Study:
- Introduce MERRILL, an open-source software package for 3D micromagnetics.
- Provide tools for calculating complex magnetic domain structures and energy barriers.
- Facilitate research in rock magnetism and paleomagnetism.
Main Methods:
- Utilizes a finite element/boundary element numerical method.
- Optimized for irregular grain geometries relevant to paleomagnetism.
- Employs research-strength algorithms for simulating local energy minima (LEM) states.
Main Results:
- MERRILL can model complex, inhomogeneous domain structures in magnetic materials.
- Simulates magnetic characteristics of LEM states in single and interacting grains.
- Includes calculations for saddle-point paths between LEMs.
Conclusions:
- MERRILL offers a user-friendly interface for complex micromagnetic calculations.
- Its open-source nature encourages community-driven development and advancement.
- Provides valuable tools for the rock and paleomagnetic research community.
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