LLDPE Material Modeling
2022-02-28
Demonstration of how you can use the PolyUMod Material Database model for LLDPE. This is an excellent model for generic LLDPE.
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Category: PolyUMod COMSOL
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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.
COMSOL: How to Calibrate the Extended Tube Model
2021-11-07
Demonstration of how you can quickly calibrate the Extended Tube Model that is available in COMSOL Multiphysics.
Run COMSOL Multiphysics Using an Input File From a Command Prompt
2021-07-19
How to run COMSOL Multiphysics using an input file and a command prompt. It is easy using the Java API.
Complete Guide to Using PolyUMod with COMSOL Multiphysics
2021-07-12
Guide to using MCalibration and PolyUMod with COMSOL Multiphysics. A complete start-to-finish tutorial is presented.
What Material Model Can Predict Different Stiffnesses in Tension and Compression?
2021-07-05
Soft polymer foams, and some other materials, often exhibit different stiffnesses in uniaxial tension and compression. Most material models cannot predict this type of behavior, but there are some excellent choices for this.
PolymerFEM New Features: Version 6.1.0
2021-02-27
Summary of the key new features of version 6.1.0 of MCalibration and PolyUMod.
Introduction to PolyUMod®
2020-10-27
PolyUMod is a library of advanced user material models for Abaqus, ANSYS, LS-DYNA, MSC Marc, and COMSOL.
Bergstrom-Boyce (BB) Model Parameters
2020-09-04
The Bergstrom-Boyce (BB) model is a powerful model for elastomers. This post graphically demonstrates what the material parameters mean.
PolyUMod TNV Model
2020-06-02
Summary of the TNV model from the PolyUMod library. The TNV model can accurately predict the mechanical response of almost all polymers.
PolyUMod Three Network (TN) Model
2020-02-02
Theory and discussion about the Three Network Model.