Andri Arnaldsson

University of Iceland — IS

Physics and Astronomy · Physical Sciences

10h-index11.2kcitations15works0.02yr avg
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Research Topics

Advanced Chemical Physics Studies(7), Quantum, superfluid, helium dynamics(4), CO2 Sequestration and Geologic Interactions(3), Hydrocarbon exploration and reservoir analysis(2), Groundwater flow and contamination studies(2)

Publications15 total

Efficient evaluation of atom tunneling combined with electronic structure calculations
The Journal of Chemical Physics·2018· 32 citedOpen Access
Geothermal model calibration using a global minimization algorithm based on finding saddle points and minima of the objective function
Computers & Geosciences·2013· 26 cited
Numerical scheme to simulate flow through anisotropic rocks in TOUGH2
Computers & Geosciences·2013· 10 cited
Modelling of the Response of the Niutuozhen Low-Enthalpy Geothermal System in Hebei Province, China
Advanced materials research·2012· 4 cited
IMPLEMENTATION OF ANISOTROPIC FLOW INTO THE TOUGH2 CODE
2012
GEOTHERMAL MODEL CALIBRATION USING GLOBAL MINIMIZATION ALGARITHM BY MAPPING OUT OBJECTIVE FUNCTION MINIMA AND SADDLE POINTS.
2012
Path Optimization with Application to Tunneling
Lecture notes in computer science·2012· 30 cited
Tunneling in hydrogen and deuterium atom addition to CO at low temperatures
Chemical Physics Letters·2011· 70 citedOpen Access
Model Simulations of the Hengill Area, Southwestern Iceland
Transport in Porous Media·2010· 42 cited
Comparison of Quantum Dynamics and Quantum Transition State Theory Estimates of the H + CH<sub>4</sub> Reaction Rate
The Journal of Physical Chemistry A·2009· 162 cited
Theoretical study of kinks on screw dislocation in silicon
Physical Review B·2008· 51 citedOpen Access
Calculation of quantum mechanical rate constants directly from ab initio atomic forces
Opin vísindi (Opin vísindi)·2007· 7 citedOpen Access
Theoretical calculations of CH4 and H2 associative desorption from Ni(111): Could subsurface hydrogen play an important role?
The Journal of Chemical Physics·2006· 174 cited
A fast and robust algorithm for Bader decomposition of charge density
Computational Materials Science·2005· 10.0k cited
Comparison of methods for finding saddle points without knowledge of the final states
The Journal of Chemical Physics·2004· 554 cited

Frequent Co-authors

Hannes Jónsson(9), Graeme Henkelman(3), Andreas Pedersen(3), J.‐C. Berthet(3), Stefan Andersson(2), Manuel Plasencia(2), Snorri Páll Kjaran(2), R. A. Olsen(1), Geert–Jan Kroes(1), Gunnar Nyman(1), Uwe Manthe(1), T. P. M. Goumans(1), Laurent Pizzagalli(1), P. Beauchamp(1), Gunnar Gunnarsson(1), Anna Lilja Oddsdóttir(1), Vilhjálmur Ásgeirsson(1), Dóróthea M. Einarsdóttir(1), Finnbogi Óskarsson(1), Sven Sigurðsson(1)