Technische Universität München KONWIHR II – Computational Steering Miriam Mehl Juni 2009

Technische Universität München

KONWIHR II – Computational Steering

Miriam MehlJuni 2009

Technische Universität München

30. April 2009

Outline

• motivation• involved codes• related projects• work in progress• first results• outlook• acknowledgements

Technische Universität München

30. April 2009

Outline

• motivation• involved codes• related projects• work in progress• first results• outlook• acknowledgements

Technische Universität München

30. April 2009

Motivation

• fast interactive computations• accurate analysis on HPC systems• smooth integration of both

Technische Universität München

30. April 2009

Outline

• motivation• involved codes• related projects• work in progress• first results• outlook• acknowledgements

Technische Universität München

30. April 2009

Involved Codes – Peano

• PDE Framwork• event-driven application plug-in• hierarchical multilevel data• high memory efficiency• parallelisation + load balancing

Technische Universität München

30. April 2009

Involved Codes – iFluids

• Lattice-Boltzmann flow solver• Parallelisation • Steering

– orthoslices– streamlines– remote computations and

rendering (Hitachi, e.g.)– local visualisation– MPI communication

KONWIHR I

Technische Universität München

30. April 2009

Outline

• motivation• involved codes• related projects• work in progress• first results• outlook• acknowledgements

Technische Universität München

30. April 2009

Related Projects• virtual climate chamber

Source: Jérôme Frisch

Technische Universität München

30. April 2009

Related Projects

aktuelleRand-

bedingungen

THERMOREGULATION

INTERFACE

THESEUS-FE Solver

iFluids,CFX, …

VCC GUIparam.

Geometrie-modell

.hdf.tfe

Geometrie

Geometrie

aktuelleRand-

bedingungenTemperatur-daten (o.ä.)

Temperatur-daten (o.ä.)

Visualisierung

Visualisierung

Globale Änderungen

Globale Änderungen

(als NAS Datei)

Benutzer

• virtual climate chamber

Source: Jérôme Frisch

Technische Universität München

30. April 2009

Related Projects• virtual climate chamber

Source: Jérôme Frisch

Technische Universität München

30. April 2009

Related Projects• computational steering for orthopeadics (IGSSE 1-7)

– structural mechnanics– finite cell method– in cooperation with Westermann (visualisation)

Source: Martin Ruess

Technische Universität München

30. April 2009

Related Projects• computational steering for orthopeadics (IGSSE 1-7)

– work in progress

Source: Martin Ruess

Technische Universität München

30. April 2009

Outline

• motivation• involved codes• related projects• work in progress• first results• outlook• acknowledgements

Technische Universität München

30. April 2009

Work in Progress• exploit hierarchy

– very fast first response on interactive changes– successive refinement during interactive communication– smooth integration of HPC batch jobs for accurate analysis– h-refinement (Peano), p-refinement (Adhoc)

fast response

accurate analysis (HPC)

successive refinement

Technische Universität München

30. April 2009

Work in Progress• exploit hierarchy

– very fast first response on interactive changes– successive refinement during interactive communication– smooth integration of HPC batch jobs for accurate analysis– h-refinement (Peano), p-refinement (Adhoc)

input stream stacks output stream

new dof eliminated dof

Technische Universität München

30. April 2009

Work in Progress• direct interaction with 3D data

– geometry changes / deformations

DATA

FILTER MAPPING

DISPLAY

Visualization algorithms

Interactive feedback

Source: Atanas Atanasov

Technische Universität München

30. April 2009

Outline

• motivation• involved codes• related projects• work in progress• first results• outlook• acknowledgements

Technische Universität München

30. April 2009

First Results• computational steering with Peano – user interface

Source: Atanas Atanasov

Technische Universität München

30. April 2009

First Results• computational steering with Peano – visualisation

– streamlines

Source: Atanas Atanasov

Technische Universität München

30. April 2009

First Results• computational steering with Peano – visualisation

– glyphs

Source: Atanas Atanasov

Technische Universität München

30. April 2009

First Results• computational steering with Peano – visualisation

– isosurfaces– slices

Source: Atanas Atanasov

Technische Universität München

30. April 2009

Outline

• motivation• involved codes• related projects• work in progress• first results• outlook• acknowledgements

Technische Universität München

30. April 2009

Outlook• further exploitation of hierarchy with Peano• finishing of the direct interaction with 3D data• adaption of iFluids for HLRBII• integration of particle simulation

Technische Universität München

30. April 2009

Outline

• motivation• involved codes• related projects• work in progress• first results• outlook• acknowledgements

Technische Universität München

30. April 2009

Acknowledgements

• Prof. Hans-Joachim Bungartz• Prof. Ernst Rank• Dr. Christoph van Treek• Dr. Martin Ruess• Dr. Ralf Mundani• Tobias Neckel• Jérôme Frisch• Atanas Atanasov