Zobrazeno 1 - 10 of 100 pro vyhledávání: '"Roland Pulch"'
1
Akademický článek
Optimal control of a dengue model with cross-immunity
Autor: Bernd Kugelmann, Roland Pulch
Publikováno v: Journal of Mathematics in Industry, Vol 14, Iss 1, Pp 1-14 (2024)
Abstract Mathematical modelling of a dengue epidemic with two serotypes including a temporary cross-immunity yields a nonlinear system consisting of ordinary differential equations (ODEs). We investigate an optimal control problem, where the integral
Externí odkaz: https://doaj.org/article/24d916914738429e885fae34f088fb3e
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2
Akademický článek
Stability-preserving model order reduction for linear stochastic Galerkin systems
Autor: Roland Pulch
Publikováno v: Journal of Mathematics in Industry, Vol 9, Iss 1, Pp 1-24 (2019)
Abstract Mathematical modeling often yields linear dynamical systems in science and engineering. We change physical parameters of the system into random variables to perform an uncertainty quantification. The stochastic Galerkin method yields a large
Externí odkaz: https://doaj.org/article/02c3da09b4db4d4185b29c93b6d2e1e2
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3
Akademický článek
Nanoelectronic COupled Problems Solutions: uncertainty quantification for analysis and optimization of an RFIC interference problem
Autor: Piotr Putek, Rick Janssen, Jan Niehof, E. Jan W. ter Maten, Roland Pulch, Bratislav Tasić, Michael Günther
Publikováno v: Journal of Mathematics in Industry, Vol 8, Iss 1, Pp 1-19 (2018)
Abstract The FP7 project nanoCOPS (the 7th Framework Programme project Nanoelectronic COupled Problems Solutions) derived new methods for simulation during development of designs of integrated products. It has covered advanced simulation techniques f
Externí odkaz: https://doaj.org/article/645c0a5939c94168bc28dd1c20ed615b
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9
Stability Preservation in Model Order Reduction of Linear Dynamical Systems
Autor: Roland Pulch
Publikováno v: Scientific Computing in Electrical Engineering ISBN: 9783030441005
We examine projection-based model order reduction of Galerkin-type for linear dynamical systems. In the case of ordinary differential equations, a transformation of the original system guarantees that any reduced system inherits asymptotic stability.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::655b2486b7b428aee4e63a2dec694003
https://doi.org/10.1007/978-3-030-44101-2_26
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10
Model order reduction and low-dimensional representations for random linear dynamical systems
Autor: Roland Pulch
Publikováno v: Mathematics and Computers in Simulation. 144:1-20
We consider linear dynamical systems of ordinary differential equations or differential algebraic equations. Physical parameters are substituted by random variables for an uncertainty quantification. We expand the state variables as well as a quantit
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e0a2d785e869aaf3452e1314d46c0139
https://doi.org/10.1016/j.matcom.2017.05.007
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