<abstract xmlns="http://www.w3.org/1999/xhtml"><p> This paper presents two simplified analytical methods to analyze lock gates submitted to two different accidental loads. The case of an impact involving a vessel is first investigated. In this situation, the resistance of the struck gate is evaluated by assuming a local and a global deforming mode. The super-element method is used in the first case, while an equivalent beam model is simultaneously introduced to capture the overall bending motion of the structure. The second accidental load considered in this paper is the seismic action, for which an analytical method is presented to evaluate the total hydrodynamic pressure applied on a lock gate during an earthquake, due account being taken of the fluid-structure interaction. For each of these two actions, numerical validations are presented and the analytical results are compared to finite-element solutions.</p></abstract>

This paper presents two simplified analytical methods to analyze lock gates submitted to two different accidental loads. The case of an impact involving a vessel is first investigated. In this situation, the resistance of the struck gate is evaluated by assuming a local and a global deforming mode. The super-element method is used in the first case, while an equivalent beam model is simultaneously introduced to capture the overall bending motion of the structure. The second accidental load considered in this paper is the seismic action, for which an analytical method is presented to evaluate the total hydrodynamic pressure applied on a lock gate during an earthquake, due account being taken of the fluid-structure interaction. For each of these two actions, numerical validations are presented and the analytical results are compared to finite-element solutions.

Simplified Analytical Methods to Analyze Lock Gates Submitted to Ship Collisions and Earthquakes

Research Engineer, PhD, University of Liège, Faculty of Applied Sciences, ANAST Department

PhD Student, University of Liège, Faculty of Applied Sciences, ANAST Department

Professor, University of Liège, Faculty of Applied Sciences, ANAST Department

Modelling in Civil Environmental Engineering

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

This paper presents two simplified analytical methods to analyze lock gates submitted to two different accidental loads. The case of an impact involving a...

Simplified Analytical Methods to Analyze Lock Gates Submitted to Ship Collisions and Earthquakes

Publié en ligne: 29 oct. 2015

Pages: 8 - 22

DOI: https://doi.org/10.1515/mmce-2015-0011

Mots clés
super-element method, local mode, global mode, hydrodynamic pressure, fluidstructure interaction

© by Loic Buldgen

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Simplified Analytical Methods to Analyze Lock Gates Submitted to Ship Collisions and Earthquakes

Publié en ligne: 29 oct. 2015

Pages: 8 - 22

DOI: https://doi.org/10.1515/mmce-2015-0011

Mots cléssuper-element method, local mode, global mode, hydrodynamic pressure, fluidstructure interaction

© by Loic Buldgen

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Mots clés
super-element method, local mode, global mode, hydrodynamic pressure, fluidstructure interaction