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Published in 2020 at "International Journal for Numerical Methods in Fluids"
DOI: 10.1002/fld.4890
Abstract: Computational fluid dynamics (CFD) has emerged as a successful tool for industry applications and basic science during the last decades. However, accurate solutions involving vortex propagation, and separated and turbulent flows, are still associated with…
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Keywords:
runge;
runge kutta;
two step;
fluid dynamics ... See more keywords
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Published in 2018 at "Journal of chemical theory and computation"
DOI: 10.1021/acs.jctc.8b00197
Abstract: We examine various integration schemes for the time-dependent Kohn-Sham equations. Contrary to the time-dependent Schrödinger's equation, this set of equations is nonlinear, due to the dependence of the Hamiltonian on the electronic density. We discuss…
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Keywords:
time dependent;
commutator free;
runge kutta;
runge ... See more keywords
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Published in 2022 at "IEEE Transactions on Aerospace and Electronic Systems"
DOI: 10.1109/taes.2021.3111839
Abstract: Time-equispaced inertial measurements are practically used as inputs for motion determination. Polynomial interpolation is a common technique of recovering the gyroscope signal but is subject to a fundamentally numerical stability problem due to the Runge…
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Keywords:
reconstruction inertial;
runge effect;
runge;
attitude reconstruction ... See more keywords
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Published in 2020 at "IEEE Transactions on Computers"
DOI: 10.1109/tc.2019.2917902
Abstract: Numerical integration schemes are mandatory to understand complex behaviors of dynamical systems described by ordinary differential equations. Implementation of these numerical methods involve floating-point computations and propagation of round-off errors. This paper presents a new…
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Keywords:
runge kutta;
kutta methods;
runge;
round error ... See more keywords
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Published in 2017 at "Mathematical Problems in Engineering"
DOI: 10.1155/2017/1871278
Abstract: A phase-fitted and amplification-fitted two-derivative Runge-Kutta (PFAFTDRK) method of high algebraic order for the numerical solution of first-order Initial Value Problems (IVPs) which possesses oscillatory solutions is derived. We present a sixth-order four-stage two-derivative Runge-Kutta…
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Keywords:
order;
phase fitted;
method;
runge ... See more keywords
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1
Published in 2022 at "Axioms"
DOI: 10.3390/axioms11050192
Abstract: In recent years, the efficient numerical solution of Hamiltonian problems has led to the definition of a class of energy-conserving Runge–Kutta methods named Hamiltonian Boundary Value Methods (HBVMs). Such methods admit an interesting interpretation in…
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Keywords:
continuous stage;
runge kutta;
differential problems;
stage runge ... See more keywords