Abstract

A simple model of the wave load on slender members of offshore structures is described. The wave elevation of the sea state is modelled by a stationary Gaussian process. A new procedure to simulate realizations of the wave loads is developed. The simulation method assumes that the wave particle velocity can be approximated by a Gaussian Markov process. Known approximate results for the first-passage density or equivalently, the distribution of the extremes of wave loads are presented and compared with rather precise simulation results. It is demonstrated that the approximate results are unconservative at least for the spectra used in this investigation.
Original languageEnglish
Place of PublicationAalborg
PublisherInstitute of Building Technology and Structural Engineering
Number of pages13
Publication statusPublished - 1985
EventThe 13th IASTED Modelling and Simulation - Lugano, Switzerland
Duration: 24 Jun 198526 Jun 1985
SeriesStructural Reliability Theory
Number10
VolumeR8503
ISSN0105-7421

Conference

ConferenceThe 13th IASTED Modelling and Simulation
CountrySwitzerland
CityLugano
Period24/06/198526/06/1985

Fingerprint

Offshore structures
Markov processes

Bibliographical note

Presented at the 13 th IASTED International Conference on Modelling and Simulation, Lugano, Switzerland, June 24-26, 1985

PDF for print: 14 pp.

Keywords

  • Simulation
  • First-passage Problems
  • Wave Loads
  • Engineering Modelling
  • Gaussian Processes
  • Gaussian Markov Process
  • Offshore Structures

Cite this

Sørensen, J. D., & Thoft-Christensen, P. (1985). Modelling and Simulation of Wave Loads. Aalborg : Institute of Building Technology and Structural Engineering. Structural Reliability Theory , No. 10, Vol.. R8503
Sørensen, John Dalsgaard ; Thoft-Christensen, Palle. / Modelling and Simulation of Wave Loads. Aalborg : Institute of Building Technology and Structural Engineering, 1985. 13 p. (Structural Reliability Theory ; No. 10, Vol. R8503).
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abstract = "A simple model of the wave load on slender members of offshore structures is described. The wave elevation of the sea state is modelled by a stationary Gaussian process. A new procedure to simulate realizations of the wave loads is developed. The simulation method assumes that the wave particle velocity can be approximated by a Gaussian Markov process. Known approximate results for the first-passage density or equivalently, the distribution of the extremes of wave loads are presented and compared with rather precise simulation results. It is demonstrated that the approximate results are unconservative at least for the spectra used in this investigation.",
keywords = "Simulations, Wave Loads, Offshore Structures, Gaussian Processes, Gaussian Markov Process, First-passage Problems, Engineering Modelling, Simulation, First-passage Problems, Wave Loads, Engineering Modelling, Gaussian Processes, Gaussian Markov Process, Offshore Structures",
author = "S{\o}rensen, {John Dalsgaard} and Palle Thoft-Christensen",
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Sørensen, JD & Thoft-Christensen, P 1985, Modelling and Simulation of Wave Loads. Structural Reliability Theory , no. 10, vol. R8503, Institute of Building Technology and Structural Engineering, Aalborg .

Modelling and Simulation of Wave Loads. / Sørensen, John Dalsgaard; Thoft-Christensen, Palle.

Aalborg : Institute of Building Technology and Structural Engineering, 1985. 13 p. (Structural Reliability Theory ; No. 10, Vol. R8503).

Research output: Book/ReportReportResearchpeer-review

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T1 - Modelling and Simulation of Wave Loads

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N2 - A simple model of the wave load on slender members of offshore structures is described. The wave elevation of the sea state is modelled by a stationary Gaussian process. A new procedure to simulate realizations of the wave loads is developed. The simulation method assumes that the wave particle velocity can be approximated by a Gaussian Markov process. Known approximate results for the first-passage density or equivalently, the distribution of the extremes of wave loads are presented and compared with rather precise simulation results. It is demonstrated that the approximate results are unconservative at least for the spectra used in this investigation.

AB - A simple model of the wave load on slender members of offshore structures is described. The wave elevation of the sea state is modelled by a stationary Gaussian process. A new procedure to simulate realizations of the wave loads is developed. The simulation method assumes that the wave particle velocity can be approximated by a Gaussian Markov process. Known approximate results for the first-passage density or equivalently, the distribution of the extremes of wave loads are presented and compared with rather precise simulation results. It is demonstrated that the approximate results are unconservative at least for the spectra used in this investigation.

KW - Simulations

KW - Wave Loads

KW - Offshore Structures

KW - Gaussian Processes

KW - Gaussian Markov Process

KW - First-passage Problems

KW - Engineering Modelling

KW - Simulation

KW - First-passage Problems

KW - Wave Loads

KW - Engineering Modelling

KW - Gaussian Processes

KW - Gaussian Markov Process

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Sørensen JD, Thoft-Christensen P. Modelling and Simulation of Wave Loads. Aalborg : Institute of Building Technology and Structural Engineering, 1985. 13 p. (Structural Reliability Theory ; No. 10, Vol. R8503).