Zobrazeno 1 - 10
of 273
pro vyhledávání: '"Kamenski, P. A."'
Autor:
Belokrys-Fedotov, Alexey, Garanzha, Vladimir, Kamenski, Lennard, Chikitkin, Alexandr, Pesnya, Evgeniy, Aseev, Nikita, Vorobyev, Andrey
We consider problems related to initial meshing and adaptive mesh refinement for the electromagnetic simulation of various structures. The quality of the initial mesh and the performance of the adaptive refinement are of great importance for the fini
Externí odkaz:
http://arxiv.org/abs/2311.06693
Publikováno v:
Comput. Math. Math. Phys. 62 (2022), pp. 1203--1216; Zh. Vychisl. Mat. Mat. Fiz. 62 (2022), pp. 1237--1250 (https://elibrary.ru/jzkuyx)
We consider the construction of a polyhedral Delaunay partition as a limit of the sequence of power diagrams (radical partitions). The dual Voronoi diagram is obtained as a limit of the sequence of weighted Delaunay partitions. The problem is reduced
Externí odkaz:
http://arxiv.org/abs/2201.05135
Publikováno v:
Applied Sciences, Vol 14, Iss 16, p 6973 (2024)
Magnetism in Croatian caves has been significantly underexplored, despite the well-documented preservation of cave sediments. This study investigates whether magnetic susceptibility can be effectively recorded in Croatian caves and, if so, whether th
Externí odkaz:
https://doaj.org/article/b91d0dcaceef42c9bcc7fd8681196496
We focus on the problem of botnet orchestration and discuss how attackers can leverage decentralised technologies to dynamically control botnets with the goal of having botnets that are resilient against hostile takeovers. We cover critical elements
Externí odkaz:
http://arxiv.org/abs/2004.01855
Akademický článek
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Publikováno v:
IBRO Neuroscience Reports, Vol 14, Iss , Pp 154-159 (2023)
Objectives: The aim of this study was to characterize cardiovascular autonomic responses during two constant current intensities below sensory threshold of transcutaneous auricular nerve stimulation (taNS). On this basis, a protocol for taNS with aut
Externí odkaz:
https://doaj.org/article/ae7b1f78d73c4b0ea47ce261d4e64c9a
Publikováno v:
A. Abdulle et al. (eds.), Numerical Mathematics and Advanced Applications --- ENUMATH 2013. Lect. Notes Comput. Sci. Eng., vol. 103
We study the stability of explicit Runge-Kutta methods for high order Lagrangian finite element approximation of linear parabolic equations and establish bounds on the largest eigenvalue of the system matrix which determines the largest permissible t
Externí odkaz:
http://arxiv.org/abs/1908.05374
Publikováno v:
J. Comput. Phys., 229.6 (2010), pp. 2179--2198
A new anisotropic mesh adaptation strategy for finite element solution of elliptic differential equations is presented. It generates anisotropic adaptive meshes as quasi-uniform ones in some metric space, with the metric tensor being computed based o
Externí odkaz:
http://arxiv.org/abs/1908.04242
Autor:
Kamenski, Lennard
Publikováno v:
SIAM J. Numer. Anal. 59 (2) (2021), pp. 983-997
A proof for the lower bound is provided for the smallest eigenvalue of finite element equations with arbitrary conforming simplicial meshes. The bound has a similar form as the one by Graham and McLean [SIAM J. Numer. Anal., 44 (2006), pp. 1487--1513
Externí odkaz:
http://arxiv.org/abs/1908.03460
Autor:
Gärtner, Klaus, Kamenski, Lennard
Publikováno v:
Comput. Math. Math. Phys. 59 (2019), pp. 1930--1944; Zh. Vychisl. Mat. Mat. Fiz. 59 (2019), pp. 2007--2023
Unlike other schemes that locally violate the essential stability properties of the analytic parabolic and elliptic problems, Voronoi finite volume methods (FVM) and boundary conforming Delaunay meshes provide good approximation of the geometry of a
Externí odkaz:
http://arxiv.org/abs/1905.01738