Zobrazeno 1 - 10
of 418
pro vyhledávání: '"Klein, Rupert"'
We establish here the local-in-time well-posedness of strong solutions with large initial data to a system coupling compressible atmospheric dynamics with a refined moisture model introduced in Hittmeir and Klein (Theor. Comput. Fluid Dyn. 32:137--16
Externí odkaz:
http://arxiv.org/abs/2408.15749
Autor:
Klein, Rupert, Nadolski, Maikel, Zenker, Christian, Oevermann, Michael, Paschereit, Christian Oliver
The ``Shockless Explosion Combustion" (SEC) concept for gas turbine combustors, introduced in 2014, approximates constant volume combustion (CVC) by harnessing acoustic confinement of autoigniting gas packets. The resulting pressure waves simultaneou
Externí odkaz:
http://arxiv.org/abs/2404.14053
Publikováno v:
Physics of Fluids 1 May 2024; 36 (5): 056604
A model for the motion of slender vortex filaments is extended to include the effect of gravity. The model, initially introduced by Callegari and Ting (SIAM, J. of App. Math., (1978), vol. 35, pp. 148-175), is based on a matched asymptotic expansion
Externí odkaz:
http://arxiv.org/abs/2403.00460
Autor:
Klein, Rupert, Liu, Xin
In this paper, we investigate the boundary layer arising from the fast internal waves in the Boussinesq equations with the Brunt-Vais\"al\"a frequency of order $ \mathcal O(1/\varepsilon) $. For the homogeneous-in-height stratification, previous work
Externí odkaz:
http://arxiv.org/abs/2312.17395
Publikováno v:
Physics of Fluids 35, 076603 (2023)
A recent work of Harikrishnan et al. [arXiv:2110.02253 (2021)] has revealed an abundance of hairpin-like vortex structures, oriented in a similar direction, in the turbulent patches of a stably stratified Ekman flow. The Ekman flow over a smooth wall
Externí odkaz:
http://arxiv.org/abs/2303.09302
WaveTrain is an open-source software for numerical simulations of chain-like quantum systems with nearest-neighbor (NN) interactions only. The Python package is centered around tensor train (TT, or matrix product) format representations of Hamiltonia
Externí odkaz:
http://arxiv.org/abs/2302.03725
We investigate the use of tensor-train approaches to the solution of the time-dependent Schr\"odinger equation for chain-like quantum systems with on-site and nearest-neighbor interactions only. Using efficient low-rank tensor train representations,
Externí odkaz:
http://arxiv.org/abs/2302.03568
Publikováno v:
Physical Review Letters, 2022
In molecular simulation and fluid mechanics, the coupling of a particle domain with a continuum representation of its embedding environment is an ongoing challenge. In this work, we show a novel approach where the latest version of the adaptive resol
Externí odkaz:
http://arxiv.org/abs/2210.15516
Quasi-geostrophic (QG) theory is of fundamental importance in the study of large-scale atmospheric flows. In recent years, there has been growing interest in extending the classical QG plus Ekman friction layer model (QG-Ekman) to systematically incl
Externí odkaz:
http://arxiv.org/abs/2210.07057
Publikováno v:
J. Math. Phys. 64, 013304 (2023)
The chemical diffusion master equation (CDME) describes the probabilistic dynamics of reaction--diffusion systems at the molecular level [del Razo et al., Lett. Math. Phys. 112:49, 2022]; it can be considered the master equation for reaction--diffusi
Externí odkaz:
http://arxiv.org/abs/2210.02268