A surface ice module for wind turbine dynamic response simulation using FAST
Abstract
It is a fact that developing offshore wind energy has become more and more serious worldwide in recent years. Many of the promising offshore wind farm locations are in cold regions that may have ice cover during wintertime. The challenge of possible ice loads on offshore wind turbines raises the demand of modeling capacity of dynamic wind turbine response under the joint action of ice, wind, wave, and current. The simulation software FAST is an open source computer-aided engineering (CAE) package maintained by the National Renewable Energy Laboratory. In this paper, a new module of FAST for assessing the dynamic response of offshore wind turbines subjected to ice forcing is presented. In the ice module, several models are presented which involve both prescribed forcing and coupled response. For conditions in which the ice forcing is essentially decoupled from the structural response, ice forces are established from existing models for brittle and ductile ice failure. For conditions in which the ice failure and the structural response are coupled, such as lock-in conditions, a rate-dependent ice model is described, which is developed in conjunction with a new modularization framework for FAST. In this paper, analytical ice mechanics models are presented that incorporatemore »
- Authors:
-
- Univ. of Michigan, Ann Arbor, MI (United States). Dept. of Naval Architecture and Marine Engineering
- National Renewable Energy Lab. (NREL), Golden, CO (United States)
- Publication Date:
- Research Org.:
- National Renewable Energy Laboratory (NREL), Golden, CO (United States)
- Sponsoring Org.:
- USDOE Office of Energy Efficiency and Renewable Energy (EERE), Wind and Water Technologies Office (EE-4W)
- OSTI Identifier:
- 1257549
- Report Number(s):
- NREL/JA-5000-65529
Journal ID: ISSN 0892-7219
- Grant/Contract Number:
- AC36-08GO28308
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Journal of Offshore Mechanics and Arctic Engineering
- Additional Journal Information:
- Journal Volume: 138; Journal Issue: 5; Journal ID: ISSN 0892-7219
- Publisher:
- ASME
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 17 WIND ENERGY; ice mechanics; offshore wind turbine; FAST; numerical simulation
Citation Formats
Yu, Bingbin, Karr, Dale G., Song, Huimin, and Sirnivas, Senu. A surface ice module for wind turbine dynamic response simulation using FAST. United States: N. p., 2016.
Web. doi:10.1115/1.4033001.
Yu, Bingbin, Karr, Dale G., Song, Huimin, & Sirnivas, Senu. A surface ice module for wind turbine dynamic response simulation using FAST. United States. https://doi.org/10.1115/1.4033001
Yu, Bingbin, Karr, Dale G., Song, Huimin, and Sirnivas, Senu. Fri .
"A surface ice module for wind turbine dynamic response simulation using FAST". United States. https://doi.org/10.1115/1.4033001. https://www.osti.gov/servlets/purl/1257549.
@article{osti_1257549,
title = {A surface ice module for wind turbine dynamic response simulation using FAST},
author = {Yu, Bingbin and Karr, Dale G. and Song, Huimin and Sirnivas, Senu},
abstractNote = {It is a fact that developing offshore wind energy has become more and more serious worldwide in recent years. Many of the promising offshore wind farm locations are in cold regions that may have ice cover during wintertime. The challenge of possible ice loads on offshore wind turbines raises the demand of modeling capacity of dynamic wind turbine response under the joint action of ice, wind, wave, and current. The simulation software FAST is an open source computer-aided engineering (CAE) package maintained by the National Renewable Energy Laboratory. In this paper, a new module of FAST for assessing the dynamic response of offshore wind turbines subjected to ice forcing is presented. In the ice module, several models are presented which involve both prescribed forcing and coupled response. For conditions in which the ice forcing is essentially decoupled from the structural response, ice forces are established from existing models for brittle and ductile ice failure. For conditions in which the ice failure and the structural response are coupled, such as lock-in conditions, a rate-dependent ice model is described, which is developed in conjunction with a new modularization framework for FAST. In this paper, analytical ice mechanics models are presented that incorporate ice floe forcing, deformation, and failure. For lower speeds, forces slowly build until the ice strength is reached and ice fails resulting in a quasi-static condition. For intermediate speeds, the ice failure can be coupled with the structural response and resulting in coinciding periods of the ice failure and the structural response. A third regime occurs at high speeds of encounter in which brittle fracturing of the ice feature occurs in a random pattern, which results in a random vibration excitation of the structure. An example wind turbine response is simulated under ice loading of each of the presented models. This module adds to FAST the capabilities for analyzing the response of wind turbines subjected to forces resulting from ice impact on the turbine support structure. The conditions considered in this module are specifically addressed in the International Organization for Standardization (ISO) standard 19906:2010 for arctic offshore structures design consideration. Special consideration of lock-in vibrations is required due to the detrimental effects of such response with regard to fatigue and foundation/soil response. Finally, the use of FAST for transient, time domain simulation with the new ice module is well suited for such analyses.},
doi = {10.1115/1.4033001},
journal = {Journal of Offshore Mechanics and Arctic Engineering},
number = 5,
volume = 138,
place = {United States},
year = {Fri Jun 03 00:00:00 EDT 2016},
month = {Fri Jun 03 00:00:00 EDT 2016}
}
Web of Science
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Works referencing / citing this record:
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