octo-tiger: a new, 3D hydrodynamic code for stellar mergers that uses hpx parallelization
ABSTRACT octo-tiger is an astrophysics code to simulate the evolution of self-gravitating
and rotating systems of arbitrary geometry based on the fast multipole method, using …
and rotating systems of arbitrary geometry based on the fast multipole method, using …
From piz daint to the stars: Simulation of stellar mergers using high-level abstractions
We study the simulation of stellar mergers, which requires complex simulations with high
computational demands. We have developed Octo-Tiger, a finite volume grid-based …
computational demands. We have developed Octo-Tiger, a finite volume grid-based …
White dwarf mergers on adaptive meshes. i. methodology and code verification
ABSTRACT The Type Ia supernova (SN Ia) progenitor problem is one of the most perplexing
and exciting problems in astrophysics, requiring detailed numerical modeling to complement …
and exciting problems in astrophysics, requiring detailed numerical modeling to complement …
A high-performance and portable all-mach regime flow solver code with well-balanced gravity. Application to compressible convection
T Padioleau, P Tremblin, E Audit… - The Astrophysical …, 2019 - iopscience.iop.org
Convection is an important physical process in astrophysics well-studied using numerical
simulations under the Boussinesq and/or anelastic approximations. However, these …
simulations under the Boussinesq and/or anelastic approximations. However, these …
Numerical simulations of mass transfer in binaries with bipolytropic components
We present the first self-consistent three-dimensional study of hydrodynamic simulations of
mass transfer in binary systems with bipolytropic (composite polytropic) components. In …
mass transfer in binary systems with bipolytropic (composite polytropic) components. In …
[PDF][PDF] Introducing Octo-tiger/HPX: Simulating interacting binaries with adaptive mesh refinement and the fast multipole method
Here we present Octo-tiger/HPX, a computer code for simulating self-gravitating
astrophysical fluids. Octo-tiger/HPX is designed to address issues particular to the self …
astrophysical fluids. Octo-tiger/HPX is designed to address issues particular to the self …
A fast Poisson solver of second-order accuracy for isolated systems in three-dimensional Cartesian and cylindrical coordinates
S Moon, WT Kim, EC Ostriker - The Astrophysical Journal …, 2019 - iopscience.iop.org
We present an accurate and efficient method to calculate the gravitational potential of an
isolated system in 3D Cartesian and cylindrical coordinates subject to vacuum (open) …
isolated system in 3D Cartesian and cylindrical coordinates subject to vacuum (open) …
A hybrid advection scheme for conserving angular momentum on a refined Cartesian mesh
ZD Byerly, B Adelstein-Lelbach… - The Astrophysical …, 2014 - iopscience.iop.org
We test a new" hybrid" scheme for simulating dynamical fluid flows in which cylindrical
components of the momentum are advected across a rotating Cartesian coordinate mesh …
components of the momentum are advected across a rotating Cartesian coordinate mesh …
[图书][B] Extending the C++ Asynchronous Programming Model with the HPX Runtime System for Distributed Memory Computing
T Heller - 2019 - search.proquest.com
This thesis presents a fully Asynchronous Many Task (AMT) runtime system extending the
C++ programming language. Defining the distributed, asynchronous C++ Programming …
C++ programming language. Defining the distributed, asynchronous C++ Programming …
Development of" all-régime" AMR simulation methods for fluid dynamics, application in astrophysics and two-phase flows
T Padioleau - 2020 - theses.hal.science
Although classic simulation methods for compressible flow are efficient for shock capturing,
they are not adapted to variable Mach regimes. Innovative methods using Finite Volume …
they are not adapted to variable Mach regimes. Innovative methods using Finite Volume …