Development of a taper roller bearing finite element modeling method for wind turbine using a nonlinear spring element

Jaeseung Kim; Suchul Kim; Geunho Lee; Mingeun Kim

doi:10.3795/KSME-A.2021.45.7.543

Development of a taper roller bearing finite element modeling method for wind turbine using a nonlinear spring element

Jaeseung Kim, Suchul Kim, Geunho Lee, Mingeun Kim

Dept. of Mechanical & Automotive Engineering

Korea Institute of Machinery and Materials

Research output: Contribution to journal › Article › peer-review

Abstract

In this study, a finite element modeling method for a taper roller bearing for wind turbines was developed. To reflect the exact bearing stiffness in the finite element model, the contact stiffness of the bearing was simulated using a one-dimensional nonlinear spring element (COMBIN39) provided by ANSYS instead of using a three-dimensional solid element. The force-strain relationship of the nonlinear spring element was determined using an optimization technique so that the finite element model could follow the desired stiffness diagram of the bearing. Several numerical examples revealed that the proposed bearing modeling technique could more accurately follow the stiffness diagram of the desired bearing than when using the existing linear spring element.

Original language	English
Pages (from-to)	543-551
Number of pages	9
Journal	Transactions of the Korean Society of Mechanical Engineers, A
Volume	45
Issue number	7
DOIs	https://doi.org/10.3795/KSME-A.2021.45.7.543
State	Published - Jul 2021

Keywords

Bearing contact stiffness
Nonlienar spring
Nonlinear bearing stiffness model
Taper roller bearing

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.3795/KSME-A.2021.45.7.543

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title = "Development of a taper roller bearing finite element modeling method for wind turbine using a nonlinear spring element",

abstract = "In this study, a finite element modeling method for a taper roller bearing for wind turbines was developed. To reflect the exact bearing stiffness in the finite element model, the contact stiffness of the bearing was simulated using a one-dimensional nonlinear spring element (COMBIN39) provided by ANSYS instead of using a three-dimensional solid element. The force-strain relationship of the nonlinear spring element was determined using an optimization technique so that the finite element model could follow the desired stiffness diagram of the bearing. Several numerical examples revealed that the proposed bearing modeling technique could more accurately follow the stiffness diagram of the desired bearing than when using the existing linear spring element.",

keywords = "Bearing contact stiffness, Nonlienar spring, Nonlinear bearing stiffness model, Taper roller bearing",

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AU - Kim, Jaeseung

AU - Kim, Suchul

AU - Lee, Geunho

AU - Kim, Mingeun

PY - 2021/7

Y1 - 2021/7

N2 - In this study, a finite element modeling method for a taper roller bearing for wind turbines was developed. To reflect the exact bearing stiffness in the finite element model, the contact stiffness of the bearing was simulated using a one-dimensional nonlinear spring element (COMBIN39) provided by ANSYS instead of using a three-dimensional solid element. The force-strain relationship of the nonlinear spring element was determined using an optimization technique so that the finite element model could follow the desired stiffness diagram of the bearing. Several numerical examples revealed that the proposed bearing modeling technique could more accurately follow the stiffness diagram of the desired bearing than when using the existing linear spring element.

AB - In this study, a finite element modeling method for a taper roller bearing for wind turbines was developed. To reflect the exact bearing stiffness in the finite element model, the contact stiffness of the bearing was simulated using a one-dimensional nonlinear spring element (COMBIN39) provided by ANSYS instead of using a three-dimensional solid element. The force-strain relationship of the nonlinear spring element was determined using an optimization technique so that the finite element model could follow the desired stiffness diagram of the bearing. Several numerical examples revealed that the proposed bearing modeling technique could more accurately follow the stiffness diagram of the desired bearing than when using the existing linear spring element.

KW - Bearing contact stiffness

KW - Nonlienar spring

KW - Nonlinear bearing stiffness model

KW - Taper roller bearing

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JO - Transactions of the Korean Society of Mechanical Engineers, A

JF - Transactions of the Korean Society of Mechanical Engineers, A

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Development of a taper roller bearing finite element modeling method for wind turbine using a nonlinear spring element

Abstract

Keywords

UN SDGs

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