Hélène Bloch
YOU?
Author Swipe
View article: On convex numerical schemes for inelastic contacts with friction
On convex numerical schemes for inelastic contacts with friction Open
This paper reviews the different existing Contact Dynamics schemes for the simulation of granular media, for which the discrete incremental problem is based on the resolution of convex problems. This type of discretization has the great ad…
View article: Invincible yuanfen ?
Invincible yuanfen ? Open
In Chinese, the term yuan or yuanfen designates the predestined affinity a person can have for another entity, which might be another person, a place, or even an object. Yuanfen seems to be both the invisible cause and the relational conse…
View article: Towards a multigrid method for the M1 model for radiative transfer
Towards a multigrid method for the M1 model for radiative transfer Open
We present a geometric multigrid solver for the M1 model of radiative transfer without source terms. In radiative hydrodynamics applications, the radiative transfer needs to be solved implicitly because of the fast propagation speed of pho…
View article: Radiative Rayleigh-Taylor instability and the structure of clouds in planetary atmospheres
Radiative Rayleigh-Taylor instability and the structure of clouds in planetary atmospheres Open
Aims. Clouds are expected to form in a broad range of conditions in the atmosphere of exoplanets given the variety of possible condensible species. This diversity, however, might lead to very different small-scale dynamics depending on rad…
View article: A high-performance and portable asymptotic preserving radiation hydrodynamics code with the M<sub>1</sub> model
A high-performance and portable asymptotic preserving radiation hydrodynamics code with the M<sub>1</sub> model Open
Aims. We present a new radiation hydrodynamics code called ARK-RT which uses a two-moment model with the M 1 closure relation for radiative transfer. This code was designed to be ready for high-performance computing on exascale architectur…
View article: Thermo-compositional Diabatic Convection in the Atmospheres of Brown Dwarfs and in Earth’s Atmosphere and Oceans
Thermo-compositional Diabatic Convection in the Atmospheres of Brown Dwarfs and in Earth’s Atmosphere and Oceans Open
By generalizing the theory of convection to any type of thermal and compositional source terms (diabatic processes), we show that thermohaline convection in Earth’s oceans, fingering convection in stellar atmospheres, and moist convection …