Yingyu Wang Luca Susmel


A new critical plane approach based on the modified Manson-Coffin curve method (MMCCM) is presented in this paper for predicting fatigue lifetime under variable amplitude (VA) multiaxial fatigue loading. The critical plane is assumed to coincide with that material plane experiencing the maximum variance of the resolved shear strain. Fatigue damage is hypothesized to be a function of both the amplitude of the resolved shear strain and the so-called critical plane stress ratio. The latter quantity depends on the mean value and the variance of the stress perpendicular to the critical plane as well as on the variance of the shear stress resolved along the direction experiencing the maximum variance of the resolved shear strain. Load cycles are counted from the resolved shear strain time history by using the classic rain flow counting method. Palmgren-Miner’s linear damage rule is applied to estimate cumulative fatigue damage. The accuracy and reliability of the proposed approach is checked by using several experimental data taken from the literature. The estimated fatigue lives based on the new approach are seen to be in sound agreement with the experimental results.


  1. Latest Oldest Top Comments


    Download data is not yet available.



    How to Cite

    Wang, Y., & Susmel, L. (2015). Critical plane approach to multiaxial variable amplitude fatigue loading. Frattura Ed Integrità Strutturale, 9(33), pages 345–356. https://doi.org/10.3221/IGF-ESIS.33.38

    Most read articles by the same author(s)

    Similar Articles

    1 2 3 > >> 

    You may also start an advanced similarity search for this article.