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Michael Pfister

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Related publications (79)

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Wave impact on oriented impervious buildings

Anton Schleiss, Michael Pfister, Davide Wüthrich, Claudia Ylla Arbos

Recent studies showed that a speciﬁc design can reduce the impact of water waves on structures, thus limiting the damages. Herein the impact of waves on buildings is addressed, pointing out the inﬂuence of orientation on the hydrodynamic process. ...

Aronne Armanini and Elena Nucci2018

Overview of Piano Key weir prototypes and scientific model investigations

Anton Schleiss, Michael Pfister, Marcelo Leite Ribeiro

The interest in Piano Key weirs (PKW) was increasing over the past years, both in terms of application and hydraulic research. Several systematic model test series were per-formed and published so far, originating from different hydraulic laboratories arou ...

Erpicum et al., CRC Press, Boca Raton2013

Air Entrainment in Skimming Flow on Stepped Spillways: the Effect of an Abrupt Slope Change

Anton Schleiss, Michael Pfister, José Pedro Gamito de Saldanha Calado Matos, Mohammad Javad Ostad Mirza

Numerous stepped spillways were built during the last decades. In particular, a stepped spillway may be integrated economically into the downstream face of a RCC gravity dam, or on valley flanks besides embankment or rockfill dams, where slope changes may ...

2015

Closure to "Reservoir Level Rise under Extreme Driftwood Blockage at Ogee Crest" by Loic Benet, Giovanni De Cesare, and Michael Pfister

Giovanni De Cesare, Michael Pfister

2021

Experimental Study of Tsunami-Like Waves Generated with a Vertical Release Technique on Dry and Wet Beds

Anton Schleiss, Michael Pfister, Davide Wüthrich

Tsunamis, impulse waves, and dam failures are disasters that challenge humanity, often leading to massive casualties and extreme economic losses. The highly unsteady flow conditions generated by such events are often in the form of turbulent bores. The pur ...

2018

Approaches to reduce friction losses in headrace waterways of hydropower plants

Anton Schleiss, Michael Pfister, Helena Isabel Dos Santos Nogueira

Forum papers are thought-provoking opinion pieces or essays founded in fact, sometimes containing speculation, on a civil engineering topic of general interest and relevance to the readership of the journal. The views expressed in this Forum article do not ...

Asce-Amer Soc Civil Engineers2016

Estimation of A-type Piano Key weir rating curve

Anton Schleiss, Michael Pfister

The Piano Key weir (PKW) is a hydraulically attractive alternative to linear overflow weirs, increasing the unit discharge for similar heads and spillway widths. This advantage allows operating dam reservoirs on an increased level and provides thereby an e ...

Eds Erpicum et al., CRC Press, Boca Raton2013

Force imposée sur un râtelier en amont d’un évacuateur de crue par des bois flottants, et concept pour favoriser le passage des bois flottants

Giovanni De Cesare, Michael Pfister

L’obstruction de l’évacuateur de crue d’un barrage par des bois flottants peut réduire sa capacité hydraulique. Pour limiter cet effet, un râtelier peut être installé pour retenir les bois en amont de la section critique d’écoulement. Sur la base d’une mod ...

2022

Review on pressure distribution on stepped spillways

Anton Schleiss, Michael Pfister, José Pedro Gamito de Saldanha Calado Matos, Mohammad Javad Ostad Mirza

Faculty of Engineering of University of Porto2014

Effet des bois flottants obstruant un évacuateur de crue dans des conditions extrêmes

Giovanni De Cesare, Michael Pfister

Le transport de bois flottants peut induire des obstructions aux ouvrages hydrauliques et limiter leurs fonctionnalités et leurs capacités de décharge. Le blocage de l’entrée d’un évacuateur de crue d’un barrage par des bois flottants représente un risque ...

2020

Discussion on Hydraulic behaviour of junction manholes under supercritical flow conditions by J. Saldarriaga, N. Bermúdez and D. P. Rubio

Michael Pfister

Taylor & Francis Ltd2015

Bemessung von klassischen Tosbecken unterhalb von Treppenschussrinnen

Anton Schleiss, Giovanni De Cesare, Michael Pfister, José Pedro Gamito de Saldanha Calado Matos, Ivan Stojnic

Aufgrund des Fortschritts im Talsperrenbau mit Walzbeton (RCC) werden weltweit häufig Treppenschussrinnen erstellt. Nach jeder Schussrinne ist ein hydraulisches Bauwerk zur Energiedissipation vorzusehen, beispielsweise ein Tosbecken. Obwohl die Hydraulik v ...

2020

Discharge capacity of PK-Weirs considering floating wooden debris

Anton Schleiss, Michael Pfister

2015

Impact hydrodynamique des vagues contre les bâtiments

Anton Schleiss, Michael Pfister, Davide Wüthrich

Les tsunamis, les vagues d'impulsion et les ruptures de barrages représentent des phénomènes extrêmes qui mettent en danger la vie des personnes et la fonctionnalité des infrastructures. Des événements récents dans l'Océan Indien (2004), au Japon (2011) et ...

2020

Entrainement de bois flottant dans un déversoir a crête standard avec piliers: Influence des caractéristiques de bois flottant en probabilités de blocage

Anton Schleiss, Michael Pfister, José Pedro Gamito de Saldanha Calado Matos, Paloma Furlan

Spillways are safety elements of dams that allow to release floods. They spill water to avoid overtopping with its potential structural damages at the dam and the downstream environment. Nevertheless it may be unsafe to assume that a flood only carries cle ...

Société hydrotechnique de France2017

Hydraulic Jump Downstream of a Stepped Chute: An Experimental Study

Anton Schleiss, Michael Pfister, José Pedro Gamito de Saldanha Calado Matos, Ivan Stojnic

The number of stepped spillways significantly increased in the past decades. Among other reasons, this is due to their energy dissipation potential leading to a reduction of the residual energy at the toe of the spillway. To date, only fragmentary designed ...

2019

Closure to “Debris-Blocking Sensitivity of Piano Key Weirs under Reservoir-Type Approach Flow” by Michael Pfister, Damiano Capobianco, Blake Tullis, and Anton J. Schleiss

Anton Schleiss, Michael Pfister

American Society of Civil Engineers2015

Etude sur modèle physique du nouvel évacuateur de crue du barrage de Gage II

Michael Pfister, Fadi Hachem, Violaine Dugué

Suite à des études hydrologies récentes, le barrage de Gage II en France révèle un déficit de capacité d'évacuation des crues. Il a donc été décidé de construire un évacuateur de creue complémentaire en rive droit du barrage. Cet ouvrage est composé d'un P ...

Soc Hydrotechnique France2013

Closure to Trajectories and air flow features of ski jump-generated jets

Michael Pfister

Taylor & Francis Ltd2016