TY - GEN
T1 - Theoretical Tools for Linear Analysis of Anomalous Waves in Mooring Systems Combining Data in Time and Frequency Domain
AU - Torres-Herrera, Ulises
AU - Keramat, Alireza
AU - Duan, Huan Feng
N1 - Publisher Copyright:
© The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd. 2025.
PY - 2025
Y1 - 2025
N2 - In the study of floating structures under the influence of realistic environmental conditions, we have obtained theoretical results of interest for the analysis of anomalous waves. In this work, we present relevant analytical results to study specific short-time waves, both as an isolated event and as a part of a complex long event measured from experiments. This is possible because wave dynamics data acquired by the National Data Buoy System of NOAA are processed via a short-time Fourier Transform. When such data are incorporated in our theoretical results, closed-form expressions of dynamic mooring line displacement and tension are computed, both in frequency and time domain. Our theoretical tools for the analysis of anomalous waves rely on a linearized model of a mooring line, under the assumption of small values of mooring length compared to the characteristic length of elastic longitudinal waves. We show a proof of concept of these tools, by the comparison of three ocean wave events. These results provide a preliminary framework for qualitative analysis of waves acting on mooring systems with minimal computational cost.
AB - In the study of floating structures under the influence of realistic environmental conditions, we have obtained theoretical results of interest for the analysis of anomalous waves. In this work, we present relevant analytical results to study specific short-time waves, both as an isolated event and as a part of a complex long event measured from experiments. This is possible because wave dynamics data acquired by the National Data Buoy System of NOAA are processed via a short-time Fourier Transform. When such data are incorporated in our theoretical results, closed-form expressions of dynamic mooring line displacement and tension are computed, both in frequency and time domain. Our theoretical tools for the analysis of anomalous waves rely on a linearized model of a mooring line, under the assumption of small values of mooring length compared to the characteristic length of elastic longitudinal waves. We show a proof of concept of these tools, by the comparison of three ocean wave events. These results provide a preliminary framework for qualitative analysis of waves acting on mooring systems with minimal computational cost.
KW - Floating structures
KW - Fourier analysis
KW - Mathematical methods in continuum mechanics
KW - Wave dynamics
UR - https://www.scopus.com/pages/publications/105009961020
U2 - 10.1007/978-981-96-4569-5_28
DO - 10.1007/978-981-96-4569-5_28
M3 - Conference article published in proceeding or book
AN - SCOPUS:105009961020
SN - 9789819645688
T3 - Lecture Notes in Civil Engineering
SP - 279
EP - 288
BT - Proceedings of the 4th World Conference on Floating Solutions
A2 - Zhao, Xiao Lin
A2 - Dai, Jian-Guo
A2 - Liu, Siwei
A2 - Lim, Soon Heng
PB - Springer Science and Business Media Deutschland GmbH
T2 - 4th World Conference on Floating Structures, WCFS 2024
Y2 - 2 December 2024 through 4 December 2024
ER -