An Exascale Hyperbolic PDE Engine

Risultati finali

software release of dynamic load balancing using teams of subtrees, functionality as described in WP 3.a and WP 3.b

Optimized fluxes, Riemann solvers & limiters

release version of vectorized flux functions, Riemann solvers and limiters for the ExaHyPE engine (cf. WP 3.c)

Final Open Source Release of the ExaHyPE software together with its demonstrator applications and permanent archivation on the project website.

Software release of multi-parameter support

software release of multi-PDE and multi-parameter support for the ExaHyPE engine, functionality as described in WPs 3.d, 3.e and 3.f

Open source release of petascale prototype

open source release of prototype (functionality defined by WP 2.c)

Graphical rendering of final ExaHyPE results

Graphical rendering of some of the final grand challenge simulation results and release on a YouTube channel

Project website, roll ups and flyers

Set-up Project Website, Roll Ups and flyers

Final project report

Final project report, covering the last reporting period (month 31-48)

Application-oriented programming interface

specification of the application-oriented programming interface

Benchmarks simulations

benchmark simulations for both applications, using high order ADER-DG with subcell limiter on adaptive spacetrees (cmp. WP 2.a and WP 2.c)

Uncertainty quantification in hazard scenarios

Uncertainty quantification in seismic hazard scenarios based on statistically significant amount of simulations with varying initial parametrisation

Code generator for hardware kernels

code generator for hardware kernels associated with ADER-DG on hexahedral elements, evaluated for two different architectures (e.g. Intel Xeon Phi and one commodity CPU)

Definition of three scenario setups

Three well-defined scenario setups WP 8

A posteriori refinement indicators

A posteriori indicators for refinement and recoarsening

Demonstrator scalability and energy efficiency

technical report or scientific publication on scalability and energy efficiency of software releases according to deliverables 3.2 and 3.3 (contribution to MS II)

Characterisation of the post-merger GW signal

Characterisation of the post-merger GW signal in terms of spin, EOS and mass ratio.

Influence of the magnetic field on EM emission

Study of the influence of magnetic fields on the dynamics and EM emission after the merger.

Prototype scalability and energy efficiency

evaluation of scalability and energy efficiency for the ExaHyPE prototype; this comprises realistic estimates on the mean time to failure plus IO resources available for checkpointing and data delivery (contribution to MS I)

Nonlinear boundary conditions on AMR grids

Nonlinear rupture boundary conditions on space-time adaptive grids needed for WP 8

ADER-DG for non-ideal fluids and EOS

ADER-DG for GRMHD with non-ideal fluids and general EOS for the final simulations of WP 6.

Positivity preserving ADER-DG for GRMHD

Robust, self-adjusting positivity preserving ADER-DG scheme with a posteriori subcell limiter for GRMHD, to be used for the first simulations of WP 6.

Earthquake source and seismic wavefield

Extracted physics-based measures adding to empirical seismic hazard assessment approaches, earthquake source and seismic wavefield descriptions.

Simulation of the seismic hazard scenario

At least two of the three prepared scenarios will be performed on exascale infrastructure and using the numerics developed in WP 7. Priority has the seismic hazard scenario.

Path-conservative ADER-DG for CCZ4

CCZ4 formulation of the Einstein equations with path-conservative ADER-DG methods.

Market analysis and future use of ExaHyPE

Market analysis and study on a possible future use of the project results (exploitation plan)

First project report

Project report covering the first reporting period (month 1-12)

Interfaces for postprocessing and visualization

interfaces for adequate postprocessing and visualisation (contribution to Milestones MS IV and MS V)

ADER-DG for nonlinear heterogeneous material

ADER-DG for heterogeneous and nonlinear visco-plastic material for the final simulations of WP 8

Resiliency strategies and IO demands

technical report, case study or keynote talk at international conference on resiliency strategies and IO demands of checkpointing (collaborative effort with associate partners)

Dissemination Plan

Dissemination Plan as described in WP 9.a

Catalogue of waveforms

Catalogue of waveforms spanning the space of parameters in mass ratio and tidal polarizability.

Data management plan

Data Management Plan

Second project report

Project report covering the second funding period month 1330

Plugins for graphical rendering of results

Construction of prototype-specific plugins for graphical rendering of simulation results

Project management tool

Project Management tool

Pubblicazioni

High order ADER schemes for a unified first order hyperbolic formulation of continuum mechanics: Viscous heat-conducting fluids and elastic solids

Autori: Michael Dumbser, Ilya Peshkov, Evgeniy Romenski, Olindo Zanotti
Pubblicato in: Journal of Computational Physics, Numero 314, 2016, Pagina/e 824-862, ISSN 0021-9991
Editore: Academic Press
DOI: 10.1016/j.jcp.2016.02.015

Efficient conservative ADER schemes based on WENO reconstruction and space-time predictor in primitive variables

Autori: Olindo Zanotti, Michael Dumbser
Pubblicato in: Computational Astrophysics and Cosmology, Numero 3/1, 2016, ISSN 2197-7909
Editore: Springer
DOI: 10.1186/s40668-015-0014-x

High order ADER schemes for a unified first order hyperbolic formulation of Newtonian continuum mechanics coupled with electro-dynamics

Autori: Michael Dumbser, Ilya Peshkov, Evgeniy Romenski, Olindo Zanotti
Pubblicato in: Journal of Computational Physics, Numero 348, 2017, Pagina/e 298-342, ISSN 0021-9991
Editore: Academic Press
DOI: 10.1016/j.jcp.2017.07.020

Complex Additive Geometric Multilevel Solvers for Helmholtz Equations on Spacetrees

Autori: Bram Reps, Tobias Weinzierl
Pubblicato in: ACM Transactions on Mathematical Software, Numero 44/1, 2017, Pagina/e 1-36, ISSN 0098-3500
Editore: Association for Computing Machinary, Inc.
DOI: 10.1145/3054946

Space–time adaptive ADER-DG schemes for dissipative flows: Compressible Navier–Stokes and resistive MHD equations

Autori: Francesco Fambri, Michael Dumbser, Olindo Zanotti
Pubblicato in: Computer Physics Communications, Numero 220, 2017, Pagina/e 297-318, ISSN 0010-4655
Editore: Elsevier BV
DOI: 10.1016/j.cpc.2017.08.001

Initial-data contribution to the error budget of gravitational waves from neutron-star binaries

Autori: Antonios Tsokaros, Bruno C. Mundim, Filippo Galeazzi, Luciano Rezzolla, Kōji Uryū
Pubblicato in: Physical Review D, Numero 94/4, 2016, ISSN 2470-0010
Editore: APS Physics
DOI: 10.1103/physrevd.94.044049

Symmetric Interior Penalty Discontinuous Galerkin Discretizations and Block Preconditioning for Heterogeneous Stokes Flow

Autori: D. E. Charrier, D. A. May, S. M. Schnepp
Pubblicato in: SIAM Journal on Scientific Computing, Numero 39/6, 2017, Pagina/e B1021-B1042, ISSN 1064-8275
Editore: Society for Industrial and Applied Mathematics
DOI: 10.1137/16M1084912

Gravitational-wave signal from binary neutron stars: A systematic analysis of the spectral properties

Autori: Luciano Rezzolla, Kentaro Takami
Pubblicato in: Physical Review D, Numero 93/12, 2016, ISSN 2470-0029
Editore: APS Physics
DOI: 10.1103/physrevd.93.124051

Did GW150914 produce a rotating gravastar?

Autori: Cecilia Chirenti, Luciano Rezzolla
Pubblicato in: Physical Review D, Numero 94/8, 2016, ISSN 2470-0010
Editore: APS Physics
DOI: 10.1103/physrevd.94.084016

Quasi-matrix-free Hybrid Multigrid on Dynamically Adaptive Cartesian Grids

Autori: Marion Weinzierl, Tobias Weinzierl
Pubblicato in: ACM Transactions on Mathematical Software, Numero 44/3, 2018, Pagina/e 1-44, ISSN 0098-3500
Editore: Association for Computing Machinary, Inc.
DOI: 10.1145/3165280

Efficient Implementation of ADER Discontinuous Galerkin Schemes for a Scalable Hyperbolic PDE Engine

Autori: Michael Dumbser, Francesco Fambri, Maurizio Tavelli, Michael Bader, Tobias Weinzierl
Pubblicato in: Axioms, Numero 7/3, 2018, Pagina/e 63, ISSN 2075-1680
Editore: Axioms
DOI: 10.3390/axioms7030063

A simple diffuse interface approach on adaptive Cartesian grids for the linear elastic wave equations with complex topography

Autori: Maurizio Tavelli, Michael Dumbser, Dominic Etienne Charrier, Leonhard Rannabauer, Tobias Weinzierl, Michael Bader
Pubblicato in: Journal of Computational Physics, Numero 386, 2019, Pagina/e 158-189, ISSN 0021-9991
Editore: Academic Press
DOI: 10.1016/j.jcp.2019.02.004

The Peano Software—Parallel, Automaton-based, Dynamically Adaptive Grid Traversals

Autori: Tobias Weinzierl
Pubblicato in: ACM Transactions on Mathematical Software, Numero 45/2, 2019, Pagina/e 1-41, ISSN 0098-3500
Editore: Association for Computing Machinary, Inc.
DOI: 10.1145/3319797

Arbitrary high order accurate space–time discontinuous Galerkin finite element schemes on staggered unstructured meshes for linear elasticity

Autori: Maurizio Tavelli, Michael Dumbser
Pubblicato in: Journal of Computational Physics, Numero 366, 2018, Pagina/e 386-414, ISSN 0021-9991
Editore: Academic Press
DOI: 10.1016/j.jcp.2018.03.038

A Suite of Exercises for Verifying Dynamic Earthquake Rupture Codes

Autori: Ruth A. Harris, Michael Barall, Brad Aagaard, Shuo Ma, Daniel Roten, Kim Olsen, Benchun Duan, Dunyu Liu, Bin Luo, Kangchen Bai, Jean‐Paul Ampuero, Yoshihiro Kaneko, Alice‐Agnes Gabriel, Kenneth Duru, Thomas Ulrich, Stephanie Wollherr, Zheqiang Shi, Eric Dunham, Sam Bydlon, Zhenguo Zhang, Xiaofei Chen, Surendra Nadh Somala, Christian Pelties, Josué Tago, Victor Manuel Cruz‐Atienza, Jeremy Ko
Pubblicato in: Seismological Research Letters, Numero 89/3, 2018, Pagina/e 1146-1162, ISSN 0895-0695
Editore: Seismological Society of America
DOI: 10.1785/0220170222

Off-fault plasticity in three-dimensional dynamic rupture simulations using a modal Discontinuous Galerkin method on unstructured meshes: implementation, verification and application

Autori: Stephanie Wollherr, Alice-Agnes Gabriel, Carsten Uphoff
Pubblicato in: Geophysical Journal International, Numero 214/3, 2018, Pagina/e 1556-1584, ISSN 0956-540X
Editore: Geological Society by Blackwell Scientific
DOI: 10.1093/gji/ggy213

Continuum mechanics with torsion

Autori: Ilya Peshkov, Evgeniy Romenski, Michael Dumbser
Pubblicato in: Continuum Mechanics and Thermodynamics, Numero 31/5, 2019, Pagina/e 1517-1541, ISSN 0935-1175
Editore: Springer Verlag
DOI: 10.1007/s00161-019-00770-6

An efficient hyperbolic relaxation system for dispersive non-hydrostatic water waves and its solution with high order discontinuous Galerkin schemes

Autori: C. Escalante, M. Dumbser, M.J. Castro
Pubblicato in: Journal of Computational Physics, Numero 394, 2019, Pagina/e 385-416, ISSN 0021-9991
Editore: Academic Press
DOI: 10.1016/j.jcp.2019.05.035

Constrained transport and adaptive mesh refinement in the Black Hole Accretion Code

Autori: Hector Olivares, Oliver Porth, Jordy Davelaar, Elias R. Most, Christian M. Fromm, Yosuke Mizuno, Ziri Younsi, Luciano Rezzolla
Pubblicato in: Astronomy & Astrophysics, Numero 629, 2019, Pagina/e A61, ISSN 0004-6361
Editore: Springer Verlag
DOI: 10.1051/0004-6361/201935559

Optimal Neutron-star Mass Ranges to Constrain the Equation of State of Nuclear Matter with Electromagnetic and Gravitational-wave Observations

Autori: L. R. Weih, E. R. Most, L. Rezzolla
Pubblicato in: The Astrophysical Journal, Numero 881/1, 2019, Pagina/e 73, ISSN 1538-4357
Editore: The Astrophysical Journal
DOI: 10.3847/1538-4357/ab2edd

Theoretical and numerical comparison of hyperelastic and hypoelastic formulations for Eulerian non-linear elastoplasticity

Autori: Ilya Peshkov, Walter Boscheri, Raphaël Loubère, Evgeniy Romenski, Michael Dumbser
Pubblicato in: Journal of Computational Physics, Numero 387, 2019, Pagina/e 481-521, ISSN 0021-9991
Editore: Academic Press
DOI: 10.1016/j.jcp.2019.02.039

On energy stable discontinuous Galerkin spectral element approximations of the perfectly matched layer for the wave equation

Autori: Kenneth Duru, Alice-Agnes Gabriel, Gunilla Kreiss
Pubblicato in: Computer Methods in Applied Mechanics and Engineering, Numero 350, 2019, Pagina/e 898-937, ISSN 0045-7825
Editore: Elsevier BV
DOI: 10.1016/j.cma.2019.02.036

Neutron-Star-Merger Equation of State

Autori: Veronica Dexheimer, Constantinos Constantinou, Elias R. Most, L. Jens Papenfort, Matthias Hanauske, Stefan Schramm, Horst Stoecker, Luciano Rezzolla
Pubblicato in: Universe, Numero 5/5, 2019, Pagina/e 129, ISSN 2218-1997
Editore: universe
DOI: 10.3390/universe5050129

Constraining twin stars with GW170817

Autori: Glòria Montaña, Laura Tolós, Matthias Hanauske, Luciano Rezzolla
Pubblicato in: Physical Review D, Numero 99/10, 2019, ISSN 2470-0010
Editore: American Physical Society
DOI: 10.1103/physrevd.99.103009

Dynamic viability of the 2016 Mw 7.8 Kaikōura earthquake cascade on weak crustal faults

Autori: Thomas Ulrich, Alice-Agnes Gabriel, Jean-Paul Ampuero, Wenbin Xu
Pubblicato in: Nature Communications, Numero 10/1, 2019, ISSN 2041-1723
Editore: Nature Publishing Group
DOI: 10.1038/s41467-019-09125-w

Signatures of Quark-Hadron Phase Transitions in General-Relativistic Neutron-Star Mergers

Autori: Elias R. Most, L. Jens Papenfort, Veronica Dexheimer, Matthias Hanauske, Stefan Schramm, Horst Stöcker, Luciano Rezzolla
Pubblicato in: Physical Review Letters, Numero 122/6, 2019, ISSN 0031-9007
Editore: American Physical Society
DOI: 10.1103/physrevlett.122.061101

A divergence-free semi-implicit finite volume scheme for ideal, viscous, and resistive magnetohydrodynamics

Autori: M. Dumbser, D.S. Balsara, M. Tavelli, F. Fambri
Pubblicato in: International Journal for Numerical Methods in Fluids, Numero 89/1-2, 2019, Pagina/e 16-42, ISSN 0271-2091
Editore: John Wiley & Sons Inc.
DOI: 10.1002/fld.4681

Electrical resistivity and Hall effect in binary neutron star mergers

Autori: Arus Harutyunyan, Antonios Nathanail, Luciano Rezzolla, Armen Sedrakian
Pubblicato in: The European Physical Journal A, Numero 54/11, 2018, ISSN 1434-6001
Editore: Springer Verlag
DOI: 10.1140/epja/i2018-12624-1

Studies on the energy and deep memory behaviour of a cache-oblivious, task-based hyperbolic PDE solver

Autori: Dominic E Charrier, Benjamin Hazelwood, Ekaterina Tutlyaeva, Michael Bader, Michael Dumbser, Andrey Kudryavtsev, Alexander Moskovsky, Tobias Weinzierl
Pubblicato in: The International Journal of High Performance Computing Applications, Numero 33/5, 2019, Pagina/e 973-986, ISSN 1094-3420
Editore: SAGE Publications
DOI: 10.1177/1094342019842645

Electromagnetic Emission from Blitzars and Its Impact on Non-repeating Fast Radio Bursts

Autori: Elias R. Most, Antonios Nathanail, Luciano Rezzolla
Pubblicato in: The Astrophysical Journal, Numero 864/2, 2018, Pagina/e 117, ISSN 1538-4357
Editore: The Astrophysical Journal
DOI: 10.3847/1538-4357/aad6ef

ADER discontinuous Galerkin schemes for general-relativistic ideal magnetohydrodynamics

Autori: F Fambri, M Dumbser, S Köppel, L Rezzolla, O Zanotti
Pubblicato in: Monthly Notices of the Royal Astronomical Society, Numero Volume 477, Numero 4, 2018, Pagina/e 4543–4564, ISSN 0035-8711
Editore: Blackwell Publishing Inc.
DOI: 10.1093/mnras/sty734

New Constraints on Radii and Tidal Deformabilities of Neutron Stars from GW170817

Autori: Elias R. Most, Lukas R. Weih, Luciano Rezzolla, Jürgen Schaffner-Bielich
Pubblicato in: Physical Review Letters, Numero 120/26, 2018, ISSN 0031-9007
Editore: American Physical Society
DOI: 10.1103/physrevlett.120.261103

Towards an exascale code for GRMHD on dynamical spacetimes

Autori: Sven Köppel
Pubblicato in: Journal of Physics: Conference Series, Numero 1031, 2018, Pagina/e 012017, ISSN 1742-6588
Editore: Institute of Physics
DOI: 10.1088/1742-6596/1031/1/012017

The Black Hole Accretion Code: adaptive mesh refinement and constrained transport

Autori: HR Olivares Sánchez, O Porth, Y Mizuno
Pubblicato in: Journal of Physics: Conference Series, Numero 1031, 2018, Pagina/e 012008, ISSN 1742-6588
Editore: Institute of Physics
DOI: 10.1088/1742-6596/1031/1/012008

Viscous Dissipation and Heat Conduction in Binary Neutron-Star Mergers

Autori: Mark G. Alford, Luke Bovard, Matthias Hanauske, Luciano Rezzolla, Kai Schwenzer
Pubblicato in: Physical Review Letters, Numero 120/4, 2018, ISSN 0031-9007
Editore: American Physical Society
DOI: 10.1103/physrevlett.120.041101

Kilohertz QPOs in low-mass X-ray binaries as oscillation modes of tori around neutron stars – I

Autori: Marcio G B de Avellar, Oliver Porth, Ziri Younsi, Luciano Rezzolla
Pubblicato in: Monthly Notices of the Royal Astronomical Society, Numero 474/3, 2017, Pagina/e 3967-3975, ISSN 0035-8711
Editore: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stx3071

Neutron-Star Radius from a Population of Binary Neutron Star Mergers

Autori: Sukanta Bose, Kabir Chakravarti, Luciano Rezzolla, B. S. Sathyaprakash, Kentaro Takami
Pubblicato in: Physical Review Letters, Numero 120/3, 2018, ISSN 0031-9007
Editore: American Physical Society
DOI: 10.1103/physrevlett.120.031102

On the stability and maximum mass of differentially rotating relativistic stars

Autori: Lukas R Weih, Elias R Most, Luciano Rezzolla
Pubblicato in: Monthly Notices of the Royal Astronomical Society: Letters, Numero 473/1, 2017, Pagina/e L126-L130, ISSN 1745-3933
Editore: Blackwell Publishing
DOI: 10.1093/mnrasl/slx178

Using Gravitational-wave Observations and Quasi-universal Relations to Constrain the Maximum Mass of Neutron Stars

Autori: Luciano Rezzolla, Elias R. Most, Lukas R. Weih
Pubblicato in: The Astrophysical Journal, Numero 852/2, 2018, Pagina/e L25, ISSN 2041-8213
Editore: The Astrophysical Journal Letters
DOI: 10.3847/2041-8213/aaa401

Magnetic field amplification by the r-mode instability

Autori: A I Chugunov, J L Friedman, L Lindblom, L Rezzolla
Pubblicato in: Journal of Physics: Conference Series, Numero 932, 2017, Pagina/e 012045, ISSN 1742-6588
Editore: Institute of Physics
DOI: 10.1088/1742-6596/932/1/012045

Relativistic Bondi–Hoyle–Lyttleton accretion in the presence of small rigid bodies around a black hole

Autori: A. Cruz-Osorio, F. J. Sánchez-Salcedo, F. D. Lora-Clavijo
Pubblicato in: Monthly Notices of the Royal Astronomical Society, Numero 471/3, 2017, Pagina/e 3127-3134, ISSN 0035-8711
Editore: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stx1815

On the use of tracer particles in simulations of binary neutron stars

Autori: Luke Bovard, Luciano Rezzolla
Pubblicato in: Classical and Quantum Gravity, Numero 34/21, 2017, Pagina/e 215005, ISSN 0264-9381
Editore: Institute of Physics Publishing
DOI: 10.1088/1361-6382/aa8d98

Binary neutron star mergers: a review of Einstein’s richest laboratory

Autori: Luca Baiotti, Luciano Rezzolla
Pubblicato in: Reports on Progress in Physics, Numero 80/9, 2017, Pagina/e 096901, ISSN 0034-4885
Editore: Institute of Physics Publishing
DOI: 10.1088/1361-6633/aa67bb

Gravitational collapse to a Kerr–Newman black hole

Autori: Antonios Nathanail, Elias R. Most, Luciano Rezzolla
Pubblicato in: Monthly Notices of the Royal Astronomical Society: Letters, Numero 469/1, 2017, Pagina/e L31-L35, ISSN 1745-3933
Editore: Blackwell Publishing
DOI: 10.1093/mnrasl/slx035

Concluding Remarks: Connecting Relativistic Heavy Ion Collisions and Neutron Star Mergers by the Equation of State of Dense Hadron- and Quark Matter as signalled by Gravitational Waves

Autori: Matthias Hanauske, Jan Steinheimer, Luke Bovard, Ayon Mukherjee, Stefan Schramm, Kentaro Takami, Jens Papenfort, Natascha Wechselberger, Luciano Rezzolla, Horst Stöcker
Pubblicato in: Journal of Physics: Conference Series, Numero 878, 2017, Pagina/e 012031, ISSN 1742-6588
Editore: Institute of Physics
DOI: 10.1088/1742-6596/878/1/012031

Electromagnetic fields in the exterior of an oscillating relativistic star – II. Electromagnetic damping

Autori: Luciano Rezzolla, Bobomurat J. Ahmedov
Pubblicato in: Monthly Notices of the Royal Astronomical Society, Numero 459/4, 2016, Pagina/e 4144-4160, ISSN 0035-8711
Editore: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stw864

The Properties of Short Gamma-Ray Burst Jets Triggered by Neutron Star Mergers

Autori: Ariadna Murguia-Berthier, Enrico Ramirez-Ruiz, Gabriela Montes, Fabio De Colle, Luciano Rezzolla, Stephan Rosswog, Kentaro Takami, Albino Perego, William H. Lee
Pubblicato in: The Astrophysical Journal, Numero 835/2, 2017, Pagina/e L34, ISSN 2041-8213
Editore: The American Astronomical Society
DOI: 10.3847/2041-8213/aa5b9e

Solving the relativistic magnetohydrodynamics equations with ADER discontinuous Galerkin methods, a posteriori subcell limiting and adaptive mesh refinement

Autori: O. Zanotti, F. Fambri, M. Dumbser
Pubblicato in: Monthly Notices of the Royal Astronomical Society, Numero 452/3, 2015, Pagina/e 3010-3029, ISSN 0035-8711
Editore: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stv1510

Space–time adaptive ADER discontinuous Galerkin finite element schemes with a posteriori sub-cell finite volume limiting

Autori: Olindo Zanotti, Francesco Fambri, Michael Dumbser, Arturo Hidalgo
Pubblicato in: Computers & Fluids, Numero 118, 2015, Pagina/e 204-224, ISSN 0045-7930
Editore: Pergamon Press Ltd.
DOI: 10.1016/j.compfluid.2015.06.020

Extraction of gravitational waves in numerical relativity

Autori: Nigel T. Bishop, Luciano Rezzolla
Pubblicato in: Living Reviews in Relativity, Numero 19/1, 2016, ISSN 1433-8351
Editore: Albert Einstein Institut
DOI: 10.1007/s41114-016-0001-9

Modeling Megathrust Earthquakes Across Scales: One‐way Coupling From Geodynamics and Seismic Cycles to Dynamic Rupture

Autori: I. Zelst, S. Wollherr, A.‐A. Gabriel, E. H. Madden, Y. Dinther
Pubblicato in: Journal of Geophysical Research: Solid Earth, Numero """early view"" online", 2019, ISSN 2169-9313
Editore: agupubs.onlinelibrary.wiley.com
DOI: 10.1029/2019jb017539

A general framework for multivariate functional principal component analysis of amplitude and phase variation

Autori: Clara Happ, Fabian Scheipl, Alice‐Agnes Gabriel, Sonja Greven
Pubblicato in: Stat, Numero 8/1, 2019, ISSN 2049-1573
Editore: onlinelibrary.wiley.com
DOI: 10.1002/sta4.220

ADER-DG with a-posteriori finite-volume limiting to simulate tsunamis in a parallel adaptive mesh refinement framework

Autori: Leonhard Rannabauer, Michael Dumbser, Michael Bader
Pubblicato in: Computers & Fluids, Numero 173, 2018, Pagina/e 299-306, ISSN 0045-7930
Editore: Pergamon Press Ltd.
DOI: 10.1016/j.compfluid.2018.01.031

Bayesian Dynamic Finite‐Fault Inversion: 2. Application to the 2016 M w 6.2 Amatrice, Italy, Earthquake

Autori: F. Gallovič, Ľ. Valentová, J.‐P. Ampuero, A.‐A. Gabriel
Pubblicato in: Journal of Geophysical Research: Solid Earth, Numero 124/7, 2019, Pagina/e 6970-6988, ISSN 2169-9313
Editore: Wiley
DOI: 10.1029/2019jb017512

Bayesian Dynamic Finite‐Fault Inversion: 1. Method and Synthetic Test

Autori: F. Gallovič, Ľ. Valentová, J.‐P. Ampuero, A.‐A. Gabriel
Pubblicato in: Journal of Geophysical Research: Solid Earth, Numero 124/7, 2019, Pagina/e 6949-6969, ISSN 2169-9313
Editore: Wiley
DOI: 10.1029/2019jb017510

Conformal and covariant Z4 formulation of the Einstein equations: Strongly hyperbolic first-order reduction and solution with discontinuous Galerkin schemes

Autori: Michael Dumbser, Federico Guercilena, Sven Köppel, Luciano Rezzolla, Olindo Zanotti
Pubblicato in: Physical Review D, Numero 97/8, 2018, ISSN 2470-0010
Editore: APS Physics
DOI: 10.1103/PhysRevD.97.084053

Entropy-limited hydrodynamics: a novel approach to relativistic hydrodynamics

Autori: Federico Guercilena, David Radice, Luciano Rezzolla
Pubblicato in: Computational Astrophysics and Cosmology, Numero 4/1, 2017, ISSN 2197-7909
Editore: Springer International Publishing
DOI: 10.1186/s40668-017-0022-0

Rotational properties of hypermassive neutron stars from binary mergers

Autori: Matthias Hanauske, Kentaro Takami, Luke Bovard, Luciano Rezzolla, José A. Font, Filippo Galeazzi, Horst Stöcker
Pubblicato in: Physical Review D, Numero 96/4, 2017, ISSN 2470-0010
Editore: APS Physics
DOI: 10.1103/PhysRevD.96.043004

A new discontinuous Galerkin spectral element method for elastic waves with physically motivated numerical fluxes

Autori: K. Duru, A.-A. Gabriel, and H. Igel
Pubblicato in: WAVES17 International Conference on Mathematical and Numerical Aspects of Wave Propagation., Numero https://cceevents.umn.edu/waves-2017, 2017
Editore: preprint on arXiv

A case study for a new invasive extension of Intel's Threading Building Blocks.

Autori: M. Schreiber, T. Weinzierl
Pubblicato in: Weidendorfer, Josef & Trinitis, Carsten eds, HiPEAC 2018 — 3rd COSH Workshop on Co-Scheduling of HPC Applications (HIPEAC’97), Numero https://www.hipeac.net/events/activities/7517/cosh/, 2018, Pagina/e 21 - 26
Editore: ACM
DOI: 10.14459/2018md1428538

An experience report on (auto-)tuning of mesh-based PDE solvers on shared memory systems

Autori: Dominic E. Charrier, T. Weinzierl
Pubblicato in: Parallel Processing and Applied Mathematics, Numero Lecture Notes in Computer Science 10777, 2018, Pagina/e 3-13, ISBN 978-3-319-78054-2
Editore: Springer

Rapid collaborative knowledge building via Twitter after significant geohazard events.

Autori: Lacassin, R., Devès, M., Hicks, S., Ampuero, J.P., Bossu, R., Bruhat, L., Wibisono, D., Fallou, L., Fielding, E., Gabriel, A.A. and Gurney, J.
Pubblicato in: Geoscience Communication, Numero submitted, preprint under public review, 2019
Editore: Copernicus Publications
DOI: 10.5194/gc-2019-23

Towards physics-based probabilistic seismic hazard assessment in complex fault networks - the ChEESE project

Autori: Li, B., S.A. Wirp, A.-A. Gabriel, M. Bader, and B. Halldórsson
Pubblicato in: Proceedings of Northquake 2019, Numero 3rd International Workshop on Earthquakes in North Iceland, Husavik, North Iceland, 2019, Pagina/e 93 - 95, ISBN 978-9935-405-58-6
Editore: Husavik Academic Centre

Influence of A-Posteriori Subcell Limiting on Fault Frequency in Higher-Order DG Schemes

Autori: Anne Reinarz, Jean-Mathieu Gallard, Michael Bader
Pubblicato in: 2018 IEEE/ACM 8th Workshop on Fault Tolerance for HPC at eXtreme Scale (FTXS), 2018, Pagina/e 79-86, ISBN 978-1-7281-0222-1
Editore: IEEE
DOI: 10.1109/ftxs.2018.00012

On-the-fly memory compression for multibody algorithms

Autori: Eckhardt, W. and Glas, R. and Korzh, D. and Wallner, S. and Weinzierl, T.
Pubblicato in: Advanced in Parallel Computing, Numero 27, 2015, Pagina/e 421-430
Editore: IOS Press
DOI: 10.3233/978-1-61499-621-7-421

Methods and Test Cases for Linking Physics-Based Earthquake and Tsunami Models.

Autori: Madden, E., Bader, M., Behrens, J., van Dinther, Y., Gabriel, A.A., Rannabauer, L., Ulrich, T., Uphoff, C., Vater, S., Wollherr, S. and van Zelst, I.
Pubblicato in: Geophysical Journal International, Numero submitted, 2019
Editore: Geological Society by Blackwell Scientific
DOI: 10.31223/osf.io/rzvn2

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