Residual Strain Prediction
2022-02-22
Most tests are in displacement control, but residual strain is measured in load control. This article explains how to use this mixed data.
Menu
Search Results Note that the search results shown below do not include our more than 12,000 forum articles. Repeat your search on the Forum page to find more results!
Category: MCalibration
Read More »
Make Your Own Hyperelastic Model
2022-02-14
One way to quickly improve the accuracy of the Arruda-Boyce model is to add one more strain energy funcion.
Gent Hyperelasticity
2022-02-08
Gent hyperelasticity theory and parameter calibration. The Gent model is available in Ansys Mechanical and COMSOL Multiphysics.
3 Reasons the Poisson’s Ratio is not Useful
2022-02-01
This article presents 3 reasons the Poisson’s ratio is not useful, and also explains how you can fix the problems.
Material Model from Tension Force History
2022-01-25
Part 3 in our series on how to calibrate a material model from tension force data. This article focuses on using Abaqus for the calculations.
FE Material Model from Tension with Necking
2022-01-17
Part 2: Calibrating a material model from tension with necking experimental data is surprisingly difficult. This article explains one approach to do it.
Cold Drawing FE Simulations of Polycarbonate
2022-01-11
Part 1: Tutorial on how to predict the cold drawing or necking response of thermoplastics (such as polycarbonate).
Stiffness Non-Linearity of Viscoplastic Material Models
2022-01-04
Tutorial on how to make the PolyUMod TN and TNV models better capture the stiffness non-linearity before yielding.
Blatz-Ko Model
2022-01-03
The Blatz-Ko model can be used for both foams and rubber-like materials. This article explains the theory.
Best PEEK Material Model in 2022
2021-12-27
This article examines which material model is best for PEEK. Some of the basic plasticity models are surprisingly bad.