Enabling Exascale Fluid Dynamics Simulations

Deliverables

The deliverable holds the (regularly) updated rules for Innovation Management within the project. It will also provide the list of innovations in the project, possible relations to external components - e.g., a Patent Search) and also ownership of the said components.

Use Case perspective of algorithmic developments

An initial assessment of the algorithmic developments based on the defined use cases is made. Feedback to WP1 and WP2 will be provided.

Detailed Description of Use Cases and their Requirements

This deliverable will provide a detailed description of the use cases selected for validation and their main requirements. It will also form the baseline for the subsequent validations.

Internal Report on Formulation of ExaFLOW Algorithms

This deliverable is an initial report describing the current state of the art and outline of the ExaFLOW approaches.

Dissemination and Communication – Initial Plan

This deliverable will provide an initial plan for ExaFLOW’s dissemination and communication activities and also define the frame of dissemination in terms of branding (logo), website and handouts. It will be the basis for the yearly updates as reported in D4.8-D4.10

Dissemination and Communication - Activities and Results

This deliverable will report planned and executed dissemination activities. The report will contain an evaluation of our dissemination success criteria, such as an listing of scientific and technical publications, and other communication.

Management plan

Initial deliverable stating the management organization and planning for the entire project.

Initial Report on Exascale Technology State-of-the-Art

Report describing the technology trends towards the exascale.

Initial Proof-of-Concept Formulation of ExaFLOW Algorithms

In this deliverable we report on the details of the methodology behind the ExaFLOW algorithms, outlining the mathematical and related algorithmic details of the techniques.

Exploitation Plan

This deliverable holds the exploitation plan and the report of the exploitation performance during the project’s lifetime. This deliverable will also include the content and findings of the IPR Management and Registry.

Exploitation Plan Revision 1

Update of D4.1

Collaboration Report

This deliverable reports about collaboration events, activities and current status of established collaborations. Furthermore activities towards standardization of the results or the impact of used standards for developments in the project are reported.

Collaboration Report - Update 1

Update of D4.9

Quality Assurance Plan

This deliverable will discuss the overall quality monitoring process for the project (such as deliverables and milestone completion) but also for software quality and testing processes as well as the project’s data management plan.

Initial Report on the ExaFLOW Algorithms, Energy Efficiency and IO Strategies

Report that describes the implementation of the first set of ExaFLOW algorithms, taking into account performance and scalability as well as energy usage issues and IO/data compression strategies.

Publications

An error indicator for finite difference methods using spectral techniques with application to aerofoil simulation

Author(s): Christian T. Jacobs, Markus Zauner, Nicola De Tullio, Satya P. Jammy, David J. Lusher, Neil D. Sandham
Published in: Computers & Fluids, Issue 168, 2018, Page(s) 67-72, ISSN 0045-7930
Publisher: Pergamon Press Ltd.
DOI: 10.1016/j.compfluid.2018.03.065

Lossy Data Compression Effects on Wall-bounded Turbulence: Bounds on Data Reduction

Author(s): Evelyn Otero, Ricardo Vinuesa, Oana Marin, Erwin Laure, Philipp Schlatter
Published in: Flow, Turbulence and Combustion, Issue 101/2, 2018, Page(s) 365-387, ISSN 1386-6184
Publisher: Kluwer Academic Publishers
DOI: 10.1007/s10494-018-9923-5

A Minimally Intrusive Low-Memory Approach to Resilience for Existing Transient Solvers

Author(s): Chris D. Cantwell, Allan S. Nielsen
Published in: Journal of Scientific Computing, 2018, Page(s) 1-17, ISSN 0885-7474
Publisher: Kluwer Academic/Plenum Publishers
DOI: 10.1007/s10915-018-0778-7

Interpolation Error Bounds for Curvilinear Finite Elements and Their Implications on Adaptive Mesh Refinement

Author(s): David Moxey, Shankar P. Sastry, Robert M. Kirby
Published in: Journal of Scientific Computing, 2015, Page(s) 1-18, ISSN 0885-7474
Publisher: Kluwer Academic/Plenum Publishers
DOI: 10.1007/s10915-018-0795-6

Accelerating high-order mesh optimisation with an architecture-independent programming model

Author(s): Jan Eichstädt, Mashy Green, Michael Turner, Joaquim Peiró, David Moxey
Published in: Computer Physics Communications, Issue 229, 2018, Page(s) 36-53, ISSN 0010-4655
Publisher: Elsevier BV
DOI: 10.1016/j.cpc.2018.03.025

Shock-wave/boundary-layer interactions in the automatic source-code generation framework OpenSBLI

Author(s): David J. Lusher, Satya P. Jammy, Neil D. Sandham
Published in: Computers & Fluids, Issue 173, 2018, Page(s) 17-21, ISSN 0045-7930
Publisher: Pergamon Press Ltd.
DOI: 10.1016/j.compfluid.2018.03.081

Communication-aware adaptive Parareal with application to a nonlinear hyperbolic system of partial differential equations

Author(s): Allan S. Nielsen, Gilles Brunner, Jan S. Hesthaven
Published in: Journal of Computational Physics, Issue 371, 2018, Page(s) 483-505, ISSN 0021-9991
Publisher: Academic Press
DOI: 10.1016/j.jcp.2018.04.056

OpenSBLI: A framework for the automated derivation and parallel execution of finite difference solvers on a range of computer architectures

Author(s): Christian T. Jacobs, Satya P. Jammy, Neil D. Sandham
Published in: Journal of Computational Science, Issue 18, 2017, Page(s) 12-23, ISSN 1877-7503
Publisher: Elsevier BV
DOI: 10.1016/j.jocs.2016.11.001

Performance evaluation of explicit finite difference algorithms with varying amounts of computational and memory intensity

Author(s): Satya P. Jammy, Christian T. Jacobs, Neil D. Sandham
Published in: Journal of Computational Science, 2016, ISSN 1877-7503
Publisher: Elsevier BV
DOI: 10.1016/j.jocs.2016.10.015

Surface-sampled simulations of turbulent flow at high Reynolds number

Author(s): Neil D. Sandham, Roderick Johnstone, Christian T. Jacobs
Published in: International Journal for Numerical Methods in Fluids, 2017, ISSN 0271-2091
Publisher: John Wiley & Sons Inc.
DOI: 10.1002/fld.4395

Proper orthogonal decomposition on compressed data.

Author(s): O. Marin, E. Merzari, P. Schlatter, & A. Siegel
Published in: Proceedings of TSFP-10, 2017
Publisher: TSFP 2017

OpenACC acceleratior for Pn-Pn-2 algorithm in Nek5000

Author(s): Otero E., Gong J., Min M., Fischer P., Schlatter P., and Laure E.
Published in: Proceedings of the 5th International Conference on Exascale Applications and Software, 2018
Publisher: EASC

Grid refinement using spectral error indicators with application to airfoil DNS

Author(s): M. Zauner, C. T. Jacobs, N. D. Sandham
Published in: Proceedings of the 6th European Conference on Computational Mechanics (ECCM 6) and 7th European Conference on Computational Fluid Dynamics (ECFD 7), 2018
Publisher: ECCM & ECFD

Energy consumption of algorithms for solving the compressible Navier-Stokes equations on CPU's, GPU's and KNL's

Author(s): S. P. Jammy, C. T. Jacobs, D. J. Lusher, N. D. Sandham
Published in: Proceedings of the 6th European Conference on Computational Mechanics (ECCM 6) and 7th European Conference on Computational Fluid Dynamics (ECFD 7), 2018
Publisher: ECFD & ECCM

Towards combined cg-dg for elliptic problems. In SIAM 2017. Abstract: https://bit.ly/2PSRCRq

Author(s): M. Vymazal, D. Moxey, C. Cantwell, S. Sherwin, and M. Kirby
Published in: SIAM Computational Science and Engineering (CSE), 2017
Publisher: SIAM

Efficient Gather-Scatter Operations in Nek5000 Using PGAS

Author(s): N. Jansson, N. Johnson and M. Bareford
Published in: Proceedings of the 5th International Conference on Exascale Applications and Software, 2018
Publisher: EASC

Implicit les spectral/hp element modelling of flow past complex geometries related to formula 1, International Conference on Spectral and High-Order Methods

Author(s): S. Sherwin, J.-E. Lombard, D. Moxey, J. P. R. Moura, and G. Mengaldo
Published in: International Conference on Spectral and High-Order Methods 2016, 2016
Publisher: ICOSAHOM

Data compression effects on coherent turbulence structures

Author(s): O. Marin, R. Vinuesa, E. Merzari, P. Schlatter
Published in: To appear in proceedings of Spectral and High Order Methods, 2019
Publisher: ICOSAHOM

The effect of lossy data compression in computational fluid dynamics applications: resilience and data postprocessing

Author(s): Otero, E., Marin, O., Vinuesa, R., Schlatter, P., Siegel, A., Laure, E.:
Published in: Proceedings Direct and Large-Eddy Simulation 11, 2019
Publisher: Springer

On a mixed CG-HDG formulation for high-order simulations. To appear.

Author(s): M. Vymazal, D. Moxey, C. Cantwell, R. M. Kirby & S. Sherwin.
Published in: To appear In proceedings of Spectral and High Order Methods, 2019
Publisher: ICOSAHOM

. A minimally intrusive low-memory approach to resilience for existing transient solvers.

Author(s): C. Cantwell & A. Nielsen
Published in: To appear In proceedings of Spectral and High Order Methods, 2019
Publisher: ICOSAHOM

Comparison of time resolved experimental surveys with simulations using Nektar++ on a Formula One front wing.

Author(s): J. Hoessler
Published in: To appear in In proceedings of Spectral and High Order Methods for Partial Differential Equations, 2019
Publisher: ICOSAHOM

Towards adaptive mesh refinement for the spectral element solver Nek5000

Author(s): N. Offermans, A. Peplinski, O. Marin, P. Fischer & P. Schlatter.
Published in: Proceedings Direct and Large-Eddy Simulation 11, 2019
Publisher: Springer

Efficient preconditioning for the pressure equation in Nek5000 using the Hypre library.

Author(s): N. Offermans, A. Peplinski, O. Marin, P. Schlatter.
Published in: To appear In proceedings of Spectral and High Order Methods for Partial Differential Equations, 2019
Publisher: ICOSAHOM

On the trade-offs between energy to solution and runtime for real-world CFD test-cases

Author(s): Michael Bareford, Nick Johnson, Michèle Weiland
Published in: Proceedings of the Exascale Applications and Software Conference 2016 on - EASC '16, 2016, Page(s) 1-8, ISBN 9781-450341226
Publisher: ACM Press
DOI: 10.1145/2938615.2938619

On the Strong Scaling of the Spectral Element Solver Nek5000 on Petascale Systems

Author(s): Nicolas Offermans, Oana Marin, Michel Schanen, Jing Gong, Paul Fischer, Philipp Schlatter
Published in: Proceedings of the Exascale Applications and Software Conference 2016 on - EASC '16, 2016, Page(s) 1-10, ISBN 9781-450341226
Publisher: ACM Press
DOI: 10.1145/2938615.2938617

Parallel performance of h-type Adaptive Mesh Refinement for Nek5000

Author(s): Adam Peplinski, Paul F. Fischer, Philipp Schlatter
Published in: Proceedings of the Exascale Applications and Software Conference 2016 on - EASC '16, 2016, Page(s) 1-9, ISBN 9781-450341226
Publisher: ACM Press
DOI: 10.1145/2938615.2938620

Fault Tolerance in the Parareal Method

Author(s): Allan S. Nielsen, Jan S. Hesthaven
Published in: Proceedings of the ACM Workshop on Fault-Tolerance for HPC at Extreme Scale - FTXS '16, 2016, Page(s) 1-8, ISBN 9781-450343497
Publisher: ACM Press
DOI: 10.1145/2909428.2909431

KNL Performance Comparison: OpenSBLI

Author(s): Jacobs, C. T., Jammy, S. P., Lusher, D. J., Sandham, N. D.
Published in: ARCHER technical report, 2017
Publisher: ARCHER

OpenACC acceleratior for Pn-Pn-2 algorithm in Nek5000.

Author(s): Otero E., Gong J., Min M., Fischer P., Schlatter P., and Laure E.
Published in: Submitted to Journal of Parallel and Distributed Computing, 2019
Publisher: Unknown

Nonconforming elements in Nek5000: Stability and Implementation.

Author(s): A. Peplinski, N. Offermans, P. Fischer & P. Schlatter.
Published in: To appear In proceedings of Spectral and High Order Methods ICOSAHOM, 2019
Publisher: ICOSAHOM

Energy efficiency of finite difference algorithms on multicore CPUs, GPUs, and Intel Xeon Phi processors

Author(s): S. P. Jammy, C. T. Jacobs, D. J. Lusher, N. D. Sandham
Published in: Preprint Submitted to Computers and Fluids, 2019
Publisher: ArXiv

Efficient Gather-Scatter Operations in Nek5000 Using PGAS. J

Author(s): N. Jansson, N. Johnson, M. Bareford.
Published in: Submitted to Journal of Parallel and Distributed Computing, Special Issue on Exascale Applications and Software, 2018
Publisher: Unknown

spectral/hp element methods for under-resolved dns: paving the way to industry-relevant simulations

Author(s): J. Peiró, D. Moxey, M. Turner, G. Mengaldo, R. C. Moura, A. Jassim, M. Taylor, S. J. Sherwin.
Published in: To appear in In ERCOFTAC Bulletin 89, 2019
Publisher: ERCOFTAC

Deliverables

Publications

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