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FEM-based wear simulation for fretting contacts

Research output: Contribution to journalArticleScientificpeer-review


Original languageEnglish
Pages (from-to)20-27
Number of pages8
JournalRakenteiden Mekaniikka
Issue number1
Publication statusPublished - 2020
Publication typeA1 Journal article-refereed


This article presents a robust Finite-Element-Method-based wear simulation method, particularly suitable for fretting contacts. This method utilizes the contact subroutine in a commercial finite element solver Abaqus. It is based on a user-defined contact formulation for both normal and tangential directions. For the normal contact direction, a nodal gap field is calculated by using a simple Archard's wear equation to describe the depth of material removal due to wear. The wear field is included in the contact pressure calculation to allow simulation of wear and contact stress evolution during the loading cycles. The main advantage of this approach is that all contact variables are accessible inside the routine, which allows full coupling between normal and tangential contact variables. Also, there is no need for mesh modifications during the solution. This makes the implementation flexible, robust and particularly suitable for fretting cases where friction and tangential contact stiffness play an essential role. The method is applied to the bolted joint type fretting test case. The methodology is also fully applicable to complex real component simulations.


  • Contact mechanics, Finite element method, Fretting, Friction, Wear

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