{"id":451715,"date":"2026-02-02T09:55:21","date_gmt":"2026-02-02T09:55:21","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/simulation-of-pin-on-disc-wear-using-ls-dyna-and-archard-model\/"},"modified":"2026-02-02T09:57:48","modified_gmt":"2026-02-02T09:57:48","slug":"simulation-of-pin-on-disc-wear-using-ls-dyna-and-archard-model","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/simulation-of-pin-on-disc-wear-using-ls-dyna-and-archard-model\/","title":{"rendered":"Simulation of pin-on-disc wear using LS-DYNA and Archard model"},"content":{"rendered":"<p>&lt;p&gt;&lt;p&gt;I am simulating a pin-on-disc wear test using ANSYS LS-DYNA, with the goal of estimating wear depth accumulation over a large number of sliding cycles based on Archard&rsquo;s wear law. My main difficulty is how to efficiently model long test durations (e.g., thousands of cycles or tens of minutes of sliding) without explicitly simulating every cycle. I started with a simple bar and a rectangular pin to simulate a linear movement.&nbsp;&lt;\/p&gt;&lt;p&gt;I followed the available resources on YouTube, articles, and presentations and now able to simulate one cycle using keycards correctly. However, my problem is in the implementation of cycle-scaling (jump) and progressive wear.&nbsp;&lt;\/p&gt;&lt;p&gt;I have no problem in using database, control, and wear keycards, but I understood that I have to use the *interface_springback_lsdyna keycard for cycle-jump which doesn&#8217;t work and leads to an error.&nbsp;&lt;\/p&gt;&lt;p&gt;Could you please help me figuring out what I should do to properly model wear? I can provide any further information on request.&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;Thank for your time and support.&lt;\/p&gt;&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-451715","topic","type-topic","status-publish","hentry","topic-tag-archard-wear-1","topic-tag-archard-wear-model-1","topic-tag-disc-brake","topic-tag-LS-DynaSolverExplicitDynamics-1","topic-tag-solver-error-1"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"I am simulating a pin-on-disc wear test using ANSYS LS-DYNA, with the goal of estimating wear depth accumulation over a large number of sliding cycles based on Archard\u2019s wear law. 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