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Contents 1

Numerical analysis of crack nucleation in contact mechanics under fretting wear loading / Abdelghani Baltach ; Ali Benhamena ; Mohamed Ikhlef Chaouch ; Mohammed El-Sallah Zagane ; Murat Yaylacı ; Şevval Öztürk ; Mehmet Emin Özdemir ; Ecren Uzun Yaylacı 1

Abstract 1

1. Introduction 1

2. Finite element modeling 2

2.1. Material model 3

2.2. Mesh 3

3. Results and discussions 3

3.1. Validation of numerical model 3

3.2. Effect of tangential force 4

4. Conclusions 6

References 6

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This study examines how contact pressure and shear stress act on contact areas subjected to fretting loading. The research utilizes a non-linear finite element method, which calculates both normal and shear stresses, to assess the fracture behavior of flat surfaces. The study particularly emphasizes the influence of shear forces on the distribution of these stresses. A multiaxial fatigue criterion is used to identify potential crack initiation points within the contact zone. The critical point for crack initiation along the contact line is determined by evaluating the maximum values of hydrostatic and deviatoric stresses. The size of the regions experiencing sticking and slipping behavior is directly related to the levels of contact pressure and shear force.

Importantly, the study found a strong agreement between the finite element method simulations and the analytical results.

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Static and vibration analysis of sandwich beam with FGM core and viscoelastic interface using differential quadrature method Hesamaldin Saghafi, Akbar Alibeigloo p. 171-186

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Fundamental natural frequency of an integral bridge system considering soil structure interaction effects Farhad Abbas Gandomkar, Negar Samimifard p. 187-195

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Analysis of a thin plate thermo-elastic behaviour with non-Fourier heat transfer : a numerical approach Momen M. Qasaimeh, Feras H. Darwish p. 197-214

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Dynamic performance of bi-directional functionally graded Reissner-Mindlin plates subjected to moving loads Mohamed Ashry, Alaa A. Abdelrahman, Mohamed A. Eltaher, Ahmed Amin Daikh, Abdallah M. Kabeel p. 215-229

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Numerical analysis of crack nucleation in contact mechanics under fretting wear loading Abdelghani Baltach, Ali Benhamena, Mohamed Ikhlef Chaouch, Mohammed El-Sallah Zagane, Murat Yaylacı, Şevval Öztürk, Mehmet Emin Özdemir, Ecren Uzun Yaylacı p. 231-238

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