Numerical Prediction of Dynamic Pressure Loads in a Dam Break Case With the Direct Surface Description Method

Jesper Roland Kjærgaard Qwist; Erik Damgaard Christensen

doi:10.1115/OMAE2023-107186

Numerical Prediction of Dynamic Pressure Loads in a Dam Break Case With the Direct Surface Description Method

Jesper Roland Kjærgaard Qwist, Erik Damgaard Christensen

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

Abstract

Accurate prediction of wave loads from extreme waves on individual beams in offshore jacket structures are important to ensure the structural integrity. As the load distribution along a beam is strongly tied to the wave kinematics it is crucial to have an accurate prediction of the surface elevation and the velocity field.

We have recently developed a new method called the Direct Surface Description (DSD) method in OpenFOAM (Qwist & Christensen, 2023)[1]. Here it was shown that the DSD method is superior compared to the existing official release OpenFOAM solver with respect to prediction of wave kinematics and surface elevation.

In this paper our recently developed Direct Surface Description (DSD) solution algorithm in OpenFOAM simulate a dam-break and its interactions with a solid wall.

This is a step towards improved predictions of the slamming forces when large waves impacts offshore structures. In addition to the comparison of dynamics pressure loads, the paper aims to address several aspects of the DSD method including mass conservation, current handling of violent flows, effect of adaptive time stepping.

Original language	English
Title of host publication	Proceedings of the ASME 2023 : 42nd International Conference on Ocean, Offshore and Arctic Engineering
Number of pages	7
Volume	7
Publisher	The American Society of Mechanical Engineers (ASME)
Publication date	2023
Article number	V007T08A017
ISBN (Electronic)	978-0-7918-8689-2
DOIs	https://doi.org/10.1115/OMAE2023-107186
Publication status	Published - 2023
Event	42nd International Conference on Ocean, Offshore & Arctic Engineering - Melbourne Convention and Exhibition Centre, Melbourne, Australia Duration: 11 Jun 2023 → 16 Jun 2023

Conference

Conference	42nd International Conference on Ocean, Offshore & Arctic Engineering
Location	Melbourne Convention and Exhibition Centre
Country/Territory	Australia
City	Melbourne
Period	11/06/2023 → 16/06/2023

Keywords

Dam-break
OpenFOAM
DSD-method
Impact loads

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10.1115/OMAE2023-107186

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Qwist, J. R. K., & Christensen, E. D. (2023). Numerical Prediction of Dynamic Pressure Loads in a Dam Break Case With the Direct Surface Description Method. In Proceedings of the ASME 2023 : 42nd International Conference on Ocean, Offshore and Arctic Engineering (Vol. 7). Article V007T08A017 The American Society of Mechanical Engineers (ASME). https://doi.org/10.1115/OMAE2023-107186

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title = "Numerical Prediction of Dynamic Pressure Loads in a Dam Break Case With the Direct Surface Description Method",

abstract = "Accurate prediction of wave loads from extreme waves on individual beams in offshore jacket structures are important to ensure the structural integrity. As the load distribution along a beam is strongly tied to the wave kinematics it is crucial to have an accurate prediction of the surface elevation and the velocity field.We have recently developed a new method called the Direct Surface Description (DSD) method in OpenFOAM (Qwist \& Christensen, 2023)[1]. Here it was shown that the DSD method is superior compared to the existing official release OpenFOAM solver with respect to prediction of wave kinematics and surface elevation.In this paper our recently developed Direct Surface Description (DSD) solution algorithm in OpenFOAM simulate a dam-break and its interactions with a solid wall.This is a step towards improved predictions of the slamming forces when large waves impacts offshore structures. In addition to the comparison of dynamics pressure loads, the paper aims to address several aspects of the DSD method including mass conservation, current handling of violent flows, effect of adaptive time stepping.",

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Qwist, JRK & Christensen, ED 2023, Numerical Prediction of Dynamic Pressure Loads in a Dam Break Case With the Direct Surface Description Method. in Proceedings of the ASME 2023 : 42nd International Conference on Ocean, Offshore and Arctic Engineering. vol. 7, V007T08A017, The American Society of Mechanical Engineers (ASME), 42nd International Conference on Ocean, Offshore & Arctic Engineering , Melbourne, Victoria, Australia, 11/06/2023. https://doi.org/10.1115/OMAE2023-107186

Numerical Prediction of Dynamic Pressure Loads in a Dam Break Case With the Direct Surface Description Method. / Qwist, Jesper Roland Kjærgaard; Christensen, Erik Damgaard.
Proceedings of the ASME 2023 : 42nd International Conference on Ocean, Offshore and Arctic Engineering. Vol. 7 The American Society of Mechanical Engineers (ASME), 2023. V007T08A017.

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

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N2 - Accurate prediction of wave loads from extreme waves on individual beams in offshore jacket structures are important to ensure the structural integrity. As the load distribution along a beam is strongly tied to the wave kinematics it is crucial to have an accurate prediction of the surface elevation and the velocity field.We have recently developed a new method called the Direct Surface Description (DSD) method in OpenFOAM (Qwist & Christensen, 2023)[1]. Here it was shown that the DSD method is superior compared to the existing official release OpenFOAM solver with respect to prediction of wave kinematics and surface elevation.In this paper our recently developed Direct Surface Description (DSD) solution algorithm in OpenFOAM simulate a dam-break and its interactions with a solid wall.This is a step towards improved predictions of the slamming forces when large waves impacts offshore structures. In addition to the comparison of dynamics pressure loads, the paper aims to address several aspects of the DSD method including mass conservation, current handling of violent flows, effect of adaptive time stepping.

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M3 - Article in proceedings

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ER -

Numerical Prediction of Dynamic Pressure Loads in a Dam Break Case With the Direct Surface Description Method

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