{"id":303389,"date":"2023-08-25T15:41:21","date_gmt":"2023-08-25T15:41:21","guid":{"rendered":"\/forum\/forums\/topic\/nonlinear-analysis-with-uniaxial-test-data\/"},"modified":"2023-08-25T15:41:21","modified_gmt":"2023-08-25T15:41:21","slug":"nonlinear-analysis-with-uniaxial-test-data","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/nonlinear-analysis-with-uniaxial-test-data\/","title":{"rendered":"Nonlinear Analysis with Uniaxial Test Data"},"content":{"rendered":"<p>Hello, I am seeking help for the following problem. I need to run a nonlinear analysis in static structural. I have entered experimental data for a polyester PVC coated fabric in the uniaxial tension test data. ANSYS requires linear properties so I entered a modulus equal to the first section of my stress-strain curve. I believe I have setup nonlinear analysis correctly. I have large deflections on, multiple steps and substeps, and a ramped force, but I am not seeing the expected strains. I even changed the strain on the stress-strain curve and the results did not change. Why is my analysis not folowing the entered stress-strain curve?<\/p>\n","protected":false},"template":"","class_list":["post-303389","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Hello, I am seeking help for the following problem. I need to run a nonlinear analysis in static structural. I have entered experimental data for a polyester PVC coated fabric in the uniaxial tension test data. ANSYS requires linear properties so I entered a modulus equal to the first section of my stress-strain curve. I\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/nonlinear-analysis-with-uniaxial-test-data\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.10\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Ansys Learning Forum | Ansys Innovation Space\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"Nonlinear Analysis with Uniaxial Test Data | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"Hello, I am seeking help for the following problem. I need to run a nonlinear analysis in static structural. I have entered experimental data for a polyester PVC coated fabric in the uniaxial tension test data. ANSYS requires linear properties so I entered a modulus equal to the first section of my stress-strain curve. 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