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Machiels Olivier

Main Referenced Co-authors
Erpicum, Sébastien  (27)
Pirotton, Michel  (27)
Archambeau, Pierre  (26)
Dewals, Benjamin  (26)
Blancher, Benoit (1)
Main Referenced Keywords
PKW (21); Experimental (9); experimental (4); modelling (4); Finite volume (3);
Main Referenced Unit & Research Centers
Aquapôle - ULiège (33)
ArGEnCo (1)
Argenco (1)
FRIA (1)
HACH (1)
Main Referenced Disciplines
Civil engineering (36)

Publications (total 36)

The most downloaded
3143 downloads
Machiels, O., Erpicum, S., Archambeau, P., Dewals, B., & Pirotton, M. (2012). Method for the preliminary design of Piano Key Weirs. Houille Blanche, 4, 14-18. doi:10.1051/lhb/2012025 https://hdl.handle.net/2268/134341

The most cited

97 citations (Scopus®)

Pralong, J., Vermeulen, J., Blancher, B., Laugier, F., Erpicum, S., Machiels, O., Pirotton, M., Boillat, J.-L., Leite Ribeiro, M., & Schleiss, A. (2011). A naming convention for the Piano Key Weirs geometrical parameters. In S. Erpicum, F. Laugier, J.-L. Boillat, M. Pirotton, B. Reverchon, ... A. Schleiss (Eds.), Labyrinth and Piano Key Weirs - PKW 2011 (pp. 271-278). Leiden, Netherlands: CRC Press/Balkema. doi:10.1201/b12349-40 https://hdl.handle.net/2268/91433

Machiels, O., Erpicum, S., Pirotton, M., Dewals, B., & Archambeau, P. (2012). Experimental analysis of PKW hydraulic performance and geometric parameters optimum. In Proceedings of International workshop on Piano Key Weir for In-stream Storage and Dam Safety - PKWISD-2012 (pp. 97-114).

Erpicum, S., Machiels, O., Archambeau, P., Pirotton, M., & Dewals, B. (2012). Hydraulic modelling of Piano Key Weirs: a composite approach. In Proceedings of International workshop on Piano Key Weir for In-stream Storage and Dam Safety - PKWISD-2012 (pp. 53-63).

Erpicum, S., Machiels, O., Dewals, B., Pirotton, M., & Archambeau, P. (2012). Numerical and physical hydraulic modelling of Piano Key Weirs. In Proceedings of the 4th Int. Conf. on Water Resources and Renewable Energy Development in Asia.

Machiels, O., Erpicum, S., Archambeau, P., Dewals, B., & Pirotton, M. (2012). Method for the preliminary design of Piano Key Weirs. Houille Blanche, 4, 14-18. doi:10.1051/lhb/2012025
Peer Reviewed verified by ORBi

Machiels, O., Erpicum, S., Archambeau, P., Dewals, B., & Pirotton, M. (2012). Influence of weir height and keys slope on PKW discharge. In Proceedings of 4th IAHR International Symposium on Hydraulic Structures. Lisboa, Portugal: APRH.
Peer reviewed

Machiels, O., Erpicum, S., Archambeau, P., Dewals, B., & Pirotton, M. (2012). On the Piano Key Weir hydraulics. In P. Rutschmann, M. Grünzner, ... H. Stephan (Eds.), Proceedings of 2nd IAHR Europe Congress.
Peer reviewed

Machiels, O., Erpicum, S., Archambeau, P., Dewals, B., & Pirotton, M. (2012). Influence of the relative alveoli widths on Piano Key Weirs efficiency for varied weir heights. In Proceedings of Int. Symp. on Dams for a changing world.
Peer reviewed

Machiels, O. (2012). Experimental study of the hydraulic behaviour of Piano Key Weirs [Doctoral thesis, ULiège - Université de Liège]. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/128006

Machiels, O. (02 December 2011). Etudes paramétriques expérimentales réalisées à l’Université de Liège [Paper presentation]. 5ème séminaire PKW, Lyon, France.

Machiels, O. (02 December 2011). Exploitation et amélioration du modèle numérique 1D pour la compréhension de la physique des écoulements sur PKW [Paper presentation]. 5ème séminaire PKW.

Machiels, O., Erpicum, S., Dewals, B., Archambeau, P., & Pirotton, M. (17 June 2011). Experimental observation of flow characteristics over a Piano Key Weir. Journal of Hydraulic Research, 49 (3), 359-366. doi:10.1080/00221686.2011.567761
Peer Reviewed verified by ORBi

Machiels, O., Erpicum, S., Archambeau, P., Dewals, B., & Pirotton, M. (April 2011). Theoretical and numerical analysis of the influence of the bottom friction formulation in free surface flow modelling. Water SA, 37 (2). doi:10.4314/wsa.v37i2.65867
Peer Reviewed verified by ORBi

Erpicum, S., Daux, C., Machiels, O., Archambeau, P., Dewals, B., & Pirotton, M. (2011). Energy dissipation on a stepped spillway downstream of a Piano Key Weir - Experimental study. In S. Erpicum, F. Laugier, J. L. Boillat, M. Pirotton, B. Reverchon, ... A. Schleiss (Eds.), Labyrinth and Piano Key Weirs - PKW 2011 (pp. 105-112). Leiden, Netherlands: CRC Press/Balkema. doi:10.1201/b12349-17
Peer reviewed

Machiels, O., Erpicum, S., Archambeau, P., Dewals, B., & Pirotton, M. (2011). Influence of the PKW height on its discharge capacity. In S. Erpicum, F. Laugier, J. L. Boillat, M. Pirotton, B. Reverchon, ... A. Schleiss (Eds.), Labyrinth and Piano Key Weirs - PKW 2011 (pp. 59-66). Leiden, Netherlands: CRC Press/Balkema.
Peer reviewed

Machiels, O., Erpicum, S., Archambeau, P., Dewals, B., & Pirotton, M. (2011). Influence of the alveoli slopes on the discharge capacity of Piano Key Weirs. In Proceedings of the 34th IAHR world congress. Engineers Australia.
Peer reviewed

Pralong, J., Vermeulen, J., Blancher, B., Laugier, F., Erpicum, S., Machiels, O., Pirotton, M., Boillat, J.-L., Leite Ribeiro, M., & Schleiss, A. (2011). A naming convention for the Piano Key Weirs geometrical parameters. In S. Erpicum, F. Laugier, J.-L. Boillat, M. Pirotton, B. Reverchon, ... A. Schleiss (Eds.), Labyrinth and Piano Key Weirs - PKW 2011 (pp. 271-278). Leiden, Netherlands: CRC Press/Balkema. doi:10.1201/b12349-40
Peer reviewed

Erpicum, S., Machiels, O., Archambeau, P., Dewals, B., & Pirotton, M. (2011). 1D numerical modeling of the flow over a Piano Key Weir. In S. Erpicum, F. Laugier, J. L. Boillat, M. Pirotton, B. Reverchon, ... A. Schleiss (Eds.), Labyrinth and Piano Key Weirs - PKW 2011 (pp. 151-158). Leiden, Netherlands: CRC Press/Balkema. doi:10.1201/b12349-23
Peer reviewed

Machiels, O., Erpicum, S., Archambeau, P., Dewals, B., & Pirotton, M. (2011). Varying the alveoli slopes of Piano key Weirs: Interests and limitations. In C. Pina, E. Portela, ... J. Gomes (Eds.), Proceedings of the 6th International conference on dam engineering (pp. 725-738).
Peer reviewed

Erpicum, S., Archambeau, P., Dewals, B., Machiels, O., & Pirotton, M. (2011). WOLF 1D PKW - 1D numerical model of the flow over a piano key weir.

Machiels, O., Erpicum, S., Archambeau, P., Dewals, B., & Pirotton, M. (2011). Piano Key Weir preliminary design method – Application to a new dam project. In S. Erpicum, F. Laugier, J. L. Boillat, M. Pirotton, B. Reverchon, ... A. Schleiss (Eds.), Labyrinth and Piano Key Weirs - PKW 2011 (pp. 199-206). Leiden, Netherlands: CRC Press/Balkema. doi:10.1201/b12349-30
Peer reviewed

Machiels, O. (16 November 2010). Etat d'avancement des études expérimentales entamées à l'université de Liège [Paper presentation]. Séminaire PKW 4, Lyon, France.

Machiels, O., Erpicum, S., Archambeau, P., Dewals, B., & Pirotton, M. (2010). Hydraulic behavior of Piano Key Weirs: experimental approach. In R. Janssen & H. Chanson (Eds.), 3rd Int. Junior Researcher and Engineer Worjshop on Hydraulic Structures.
Peer reviewed

Machiels, O., Erpicum, S., Archambeau, P., Dewals, B., & Pirotton, M. (2010). Piano Key Weirs, experimental study of an efficient solution for rehabilitation. In Proceedings of FRIAR 2010.
Peer reviewed

Machiels, O., Erpicum, S., Archambeau, P., Dewals, B., & Pirotton, M. (2010). Analyse expérimentale de l'influence des largeurs d'alvéoles sur la débitance des déversoirs en touches de piano. Houille Blanche, (2), 22-28. doi:10.1051/lhb/2010015
Peer Reviewed verified by ORBi

Machiels, O., Erpicum, S., Archambeau, P., Dewals, B., & Pirotton, M. (2010). Experimental study of the hydraulic behavior of piano key weirs. In Proc. 17th Congress of the Asia and Pacific Division of the International Association of Hydro-Environment Engineering and Research. Auckland, New Zealand: IAHR.
Peer reviewed

Erpicum, S., Machiels, O., Archambeau, P., Dewals, B., & Pirotton, M. (2010). 1D numerical approach to model the flow over a piano key weir (PKW). In Proc. Int. Conf. SimHydro 2010: Hydraulic modeling and uncertainty. Nice, France: SHF.
Peer reviewed

Erpicum, S., Machiels, O., Dewals, B., Archambeau, P., & Pirotton, M. (2010). Contribution to the study of piano Key Weir hydraulics. In Proceedings of the 8th ICOLD European Club Symposium (pp. 472-477). ATCOLD.
Peer reviewed

Machiels, O. (23 October 2009). Méthode de pré-dimensionnement des PKW et application au barrage de la Raviège [Paper presentation]. Séminaire PKW 3, Lyon, France.

Machiels, O. (23 October 2009). Approche numérique simplifiée et comparaison aux résultats expérimentaux [Paper presentation]. Séminaire PKW 3, Lyon, France.

Machiels, O. (12 March 2009). Modélisation physique à grande échelle d'un élément PKW [Paper presentation]. Séminaire PKW 2, Liège, Belgium.

Machiels, O., Erpicum, S., Archambeau, P., Dewals, B., & Pirotton, M. (2009). Continuous formulation for bottom friction in free surface flows modelling. In River Basin Management V.
Peer reviewed

Machiels, O., Erpicum, S., Archambeau, P., Dewals, B., & Pirotton, M. (2009). Bottom friction formulations for free surface flow modeling. In 8th NCTAM Congress.
Peer reviewed

Machiels, O., Erpicum, S., Archambeau, P., Dewals, B., & Pirotton, M. (2009). Analyse expérimentale du fonctionnement hydraulique des déversoirs en touches de piano. In Actes du Colloque Dimensionnement et Fonctionnement des Evacuateurs de crues. CFBR & SHF.
Peer reviewed

Machiels, O., Erpicum, S., Archambeau, P., Dewals, B., & Pirotton, M. (2009). Large scale experimental study of piano key weirs. In Proc. 33rd IAHR Congress: Water Engineering for a Sustainable Environment (pp. 1030-1037). Vancouver, Canada: IAHR.
Peer reviewed

Machiels, O. (22 October 2008). Etude expérimentale du comportement hydraulique des déversoirs en touches de piano [Paper presentation]. Séminaire PKW 1, Le Bourget du lac, France.

Machiels, O. (2008). Analyse théorique et numérique de l'influence de la formulation des termes de production et de dissipation dans les équations d'écoulement à surface libre [Master’s dissertation, ULiège - Université de Liège]. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/27993

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