 | | Mechanics of Solids
A Journal of Russian Academy of Sciences | | Founded
in January 1966
Issued 6 times a year
Print ISSN 0025-6544
Online ISSN 1934-7936 |
Archive of Issues
| Total articles in the database: | | 11262 |
| In Russian (Èçâ. ÐÀÍ. ÌÒÒ): | | 8011
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| In English (Mech. Solids): | | 3251 |
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| << Previous article | Volume 58, Issue 6 / 2023 | Next article >> |
| H. Ashouri, "High Cycle Fatigue Prediction for Cylinder Head Considering Stress Gradient," Mech. Solids. 58 (6), 2284-2294 (2023) |
| Year |
2023 |
Volume |
58 |
Number |
6 |
Pages |
2284-2294 |
| DOI |
10.3103/S0025654423601003 |
| Title |
High Cycle Fatigue Prediction for Cylinder Head Considering Stress Gradient |
| Author(s) |
H. Ashouri (Department of Mechanical Engineering, Varamin-Pishva Branch, Islamic Azad University, Varamin, Iran, h.ashoori@iauvaramin.ac.ir) |
| Abstract |
Nowadays, the cylinder heads are subjected to higher thermal stress due to the increasing engine power output, fuel consumption and gas emission. Thus, simulation and analysis of fatigue cracks is essential. In this paper, the high cycle fatigue (HCF) life analysis of the cylinder head considering the stress gradient, is performed using the finite element method and ANSYS software to predict the temperature and stresses, and then, HCF life using Goodman theory and nCode Design Life software. Mechanical properties of cylinder head obtained by tensile tests at different temperatures. Tensile tests were simulated by ANSYS software, and very good agreement was shown between the experimental and simulation results of tensile tests. The results of finite element analysis (FEA) showed that the maximum temperature and stress values occur at the valve bridge between exhaust valves. The distribution of the HCF safety factor demonstrated no critical point in the cylinder head, and the minimum safety factor of 1.4 occurred in the exhaust port. The simulation results compared with the engine durability test. 800-hour durability test showed no rupture in different parts of the cylinder head. |
| Keywords |
finite element analysis, high cycle fatigue, stress gradient, cylinder head |
| Received |
18 June 2023 | Revised |
31 August 2023 | Accepted |
24 October 2023 |
| Link to Fulltext |
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