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Numerical analysis of the components of the three-dimensional non-singular stress field at a mixed-type crack tip

  • Reliability, Strength, and Wear Resistance of Machines and Structures
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Abstract

A program was developed that allows one to automate the process of calculating the three-dimensional stress field at a mixed-type crack tip within the ANSYS software. The calculation results are given for the stress intensity factors and components of the non-singular T-stress for the disk model with an inclined crack under compression with a varying thickness of the sample and an approximately constant parameter of mixing of the types of stress (I + II). We note the significant influence of the thickness of the sample on the nonsingular T zz -stress when the value of the T xx stress changes negligibly.

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Original Russian Text © Yu.G. Matvienko, A.S. Chernyatin, I.A. Rasumovskii, 2013, published in Problemy Mashinostroeniya i Nadezhnosti Mashin, 2013, No. 4, pp. 40–48.

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Matvienko, Y.G., Chernyatin, A.S. & Rasumovskii, I.A. Numerical analysis of the components of the three-dimensional non-singular stress field at a mixed-type crack tip. J. Mach. Manuf. Reliab. 42, 293–299 (2013). https://doi.org/10.3103/S1052618813040092

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  • DOI: https://doi.org/10.3103/S1052618813040092

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