Fatigue life prediction

[Letian Ren]

Hi, I am running the fatigue simulation. How do I determine the fatigue life (number of cycles to failure) from the outputs of PRISMS- Fatigue simulation?

Thank you.

[mohammadreza yaghoobi]

From outputs of PRISMS-Plasticity and PRISMS-Fatigue, you should be able to extract the Fatigue indicator parameters (FIPs). You can use the methodology presented in literature to obtain fatigue life from FIPs.
A simple methodology is presented here
https://doi.org/10.1016/j.mechmat.2025.105486

Reza

On Fri, Dec 19, 2025 at 4:53 PM Letian Ren <terr...@umich.edu> wrote:

Hi, I am running the fatigue simulation. How do I determine the fatigue life (number of cycles to failure) from the outputs of PRISMS- Fatigue simulation?

Thank you.

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[Rajesh Khatirkar]

Is it possible to simulate low cycle fatigue also?

Dr. Rajesh Khatirkar
Professor
Department of Metallurgical and Materials Engineering,
Visvesvaraya National Institute of Technology (VNIT),
South Ambazari Road, Nagpur - 440010
Maharashtra, INDIA
Ph: +91 712 2801508 (office)
+91 9960973599 (mobile)
+91 712 2223230 (fax)
https://mme.vnit.ac.in/people/rkkhatirkar/

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