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Computational engineering for wind-exposed thin-walled structures

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8 Ansgar Halfmann et al.<br />

5 Conclusions<br />

The partitioned solution approach has been investigated <strong>for</strong> the simulation of<br />

uid-structure interaction of light civil <strong>engineering</strong> constructions under <strong>wind</strong><br />

load. Be<strong>for</strong>e the outlined concept could be a practically used procedure, it will<br />

be necessary to incorporate more elaborate turbulence modeling such as largeeddy<br />

simulation, per<strong>for</strong>m more numerical tests and compare the numerical<br />

results with veried experimental data. If thus sucient condence is gained<br />

in this simulation technique, it can be an application of high-per<strong>for</strong>mance<br />

computing with signicant impact on <strong>engineering</strong> practice.<br />

Acknowledgements<br />

The work was nanced by the Bayerische Forschungsstiftung in the Bavarian<br />

Consortium of High-Per<strong>for</strong>mance Scientic Computing, FORTWIHR (III).<br />

The simulations were partially carried out on the Hitachi SR8000-F1 at the<br />

LRZ Munchen [8]. This support is gratefully acknowledged.<br />

References<br />

1. Ahrem, R., Hackenberg, M.G., Post, P., Redler, R., Roggenbuck, J. (2000)<br />

MpCCI { Mesh Based Parallel Code Coupling Interface. Institute <strong>for</strong> Algorithms<br />

and Scientic Computing (SCAI), GMD, http://www.mpcci.org/<br />

2. Bellmann, J. (1998) Membrantragwerke und Seifenhaut { Unterschiede in der<br />

Formndung. Bauingenieur, 3/98, 118{123<br />

3. Cebral, J.R. (1996) Loose Coupling Algorithms <strong>for</strong> Fluid-Structure Interaction.<br />

Ph.D.-Thesis, George Mason University Fairfax, Virginia<br />

4. Durst, F., Schafer, M. (1996) A Parallel Block{Structured Multigrid Method<br />

<strong>for</strong> the Prediction of Incompressible Flows. Int. J. Num. Methods Fluids 22,<br />

549{565<br />

5. EUROCODE 1 (1995) Basis of Design and Actions on Structures Part 2-4: Actions<br />

on Structures - Wind Actions. European Committee <strong>for</strong> Standardization<br />

Ref. No. ENV 1991-2-4<br />

6. Gluck, M., Breuer, M., Durst, F., Halfmann, A., Rank, E. (2000) Computation<br />

of Fluid-Structure Interaction on Lightweight Structures. Proceedings of<br />

Fourth International Colloquium on Blu Body Aerodynamics & Applicastions,<br />

Bochum, To appear in J. of Wind Engineering and Industrial Aerodynamics<br />

7. Halfmann, A., Rank, E., Gluck, M., Breuer, M., Durst, F. (2000) A Partitioned<br />

Solution Approach <strong>for</strong> the Fluid-Structure Interaction of Wind and<br />

Thin-Walled Structures. Proceedings of IKM 2000, Weimar<br />

8. http://www.lrz-muenchen.de/services/compute/hlrb/.<br />

9. Rank, E., Halfmann, A., Rucker, M., Katz, C., Gebhard, S. (2000) Integrierte<br />

Modellierungs- und Berechnungssoftware fur den konstruktiven Ingenieurbau:<br />

Systemarchitektur und Netzgenerierung. Bauingenieur, Februar 2000, 60{66<br />

10. Sonderkonstruktionen und Leichtbau GmbH (1993) The Work of SL.<br />

Leinfelden-Oberaichen<br />

11. SOFiSTiK AG (2000) ASE{Handbuch. Munchen

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