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20092023
most citedMulti-stage waveform Relaxation and Multisplitting Methods for Differential Algebraic Systems

4 citations · 18 across the 22 of their papers we have counts for

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16 papers · 1 filter

math.NA2023

Splitting Approach for Solving Multi-Component Transport Models with Maxwell-Stefan-Diffusion

Juergen Geiser

In this paper, we present splitting algorithms to solve multicomponent transport models with Maxwell-Stefan-diffusion approaches. The multicomponent models are related to transport…

math.NA2019

Iterative Implicit Methods for Solving Hodgkin-Huxley Type Systems

Juergen Geiser, Dennis Ogiermann

We are motivated to approximate solutions of a Hodgkin-Huxley type model with implicit methods. As a representative we chose a psychiatric disease model containing stable as well a…

math.NA2019★ 2 cited

Comparison of Splitting methods for Gross-Pitaevskii Equation

Juergen Geiser, Amirbahador Nasari

In this paper, we discuss the different splitting approaches to solve the Gross-Pitaevskii equation numerically. We consider conservative finite-difference schemes and spectral met…

math.NA2018★ 1 cited

Modelling approach of a near-far-field model for bubble formation and transport

Juergen Geiser, Paul Mertin

In this paper, we present a model based on a near-far-field bubble formation. We simulate the formation of a gas-bubble in a liquid, e.g., water and the transportation of such a ga…

math.NA2018

Simulations of Multiscale Schroedinger Equations with Multiscale Splitting Approaches: Theory and Application

Juergen Geiser, Amirbahador Nasari

In this paper we present a novel multiscale splitting approach to solve multiscale Schroedinger equation, which have large different time-scales. The energy potential is based on h…

math.NA2017★ 4 cited

Iterative Splitting Methods for Coulomb Collisions in Plasma Simulations

Juergen Geiser

In this paper, we present splitting methods that are based on iterative schemes and applied to plasma simulations. The motivation arose of solving the Coulomb collisions, which are…

math.NA2016★ 4 cited

Multi-stage waveform Relaxation and Multisplitting Methods for Differential Algebraic Systems

Juergen Geiser

We are motivated to solve differential algebraic equations with new multi-stage and multisplitting methods. The multi-stage strategy of the waveform relaxation (WR) methods are giv…

math.NA2015★ 2 cited

Numerical Methods of the Maxwell-Stefan Diffusion Equations and Applications in Plasma and Particle Transport

Juergen Geiser

In this paper, we present a model based on a local thermodynamic equilibrium, weakly ionized plasma-mixture model used for medical and technical applications in etching processes.…

math.NA2014

Iterative Splitting Methods: Almost Asymptotic Symplectic Integrator for Stochastic Nonlinear Schrödinger Equation

Juergen Geiser

In this paper we present splitting methods which are based on iterative schemes and applied to stochastic nonlinear Schroedinger equation. We will design stochastic integrators whi…

math.NA2014

Effective Simulation Methods for Structures with Local Nonlinearity: Magnus integrator and Successive Approximations

Juergen Geiser, Vahid Yaghoubi

In the following, we discuss nonlinear simulations of nonlinear dynamical systems, which are applied in technical and biological models. We deal with different ideas to overcome th…

math.NA2014★ 1 cited

Comparison of Integrators for Electromagnetic Particle in Cell Methods: Algorithms and Applications

Juergen Geiser, Frederik Riedel

In this paper, we present different types of integrators for electro-magnetic particle-in-cell (PIC) methods. While the integrator is an important tool of the PIC methods, it is ne…

math.NA2012

Particle in Cell (PIC): Error Estimates for Adaptive Grids

Juergen Geiser

This paper has been withdrawn by the author due to rewritting and skipping crucial sign errors.

math.NA2012★ 1 cited

Multiple Iterative Splitting method for Higher order and Integro-differental equations

Juergen Geiser, Thomas Zacher

In this paper we present an extension of standard iterative splitting schemes to multiple splitting schemes for solving higher order differential equations. We are motivated by dyn…

math.NA2012

Embedded Zassenhaus Expansion to Operator Splitting Schemes: Theory and Application in Fluid Dynamics

Juergen Geiser

In this paper, we contribute operator-splitting methods improved by the Zassenhaus product for the numerical solution of linear partial differential equations. We address iterative…

math.NA2012

Multiscale Splitting method for Boltzmann-Poisson Equation: Application for Dynamic of Electrons

Juergen Geiser, Thomas Zacher

In this paper we present a model based on dynamics of the electrons in the plasma using a simplified Boltzmann equation coupled with a Poisson equation. The motivation arose to sim…

math.NA2009

Iterative operator-splitting methods for unbounded operators: Error analysis and examples

Juergen Geiser

In this paper we describe an iterative operator-splitting method for unbounded operators. We derive error bounds for iterative splitting methods in the presence of unbounded operat…