How to Predict Stress Reduction After Yielding
Discussion of how to select and calibrate a material model that can predict stress reduction after yielding.
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Blog Articles
5 Common Mistakes when Analyzing Simple Shear
Clear description on how to properly analyze simple shear data. Also discusses how to properly perform simple shear tests and how to use the data in MCalibration.
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Can Friction Cause Viscoelasticity?
Can friction cause viscoelasticity in a compression test? What is negative barrelling? This article discusses the theory of uniaxial compression testing
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Payne Effect: Theory and Modeling
What is the Payne Effect, and how can it be modeled? All of that is covered in this tutorial.
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All about the Mullins Effect
Detailed tutorial on how to: (1) experimentally test the Mullins damage of rubbers and elastomers; (2) calibrate the Ogden-Roxburgh Mullins model; (3) how to distinguish between Mullins damage and viscoelastic effects.
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Ansys Bergstrom-Boyce Model
Information about how to calibrate a temperature-dependent Ansys Bergstrom-Boyce (BB) model to data for PEEK.
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Abaqus Parallel Rheological Framework (PRF)
Instructions on how to use the Abaqus Parallel Rheological Framework (PRF) model.
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Temperature-Dependent TNV Model Calibration
This tutorial will demonstrate how to calibrate a temperature-dependent Three Network Viscoplastic (TNV) material model using MCalibration.
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Temperature-Dependent TN Model Calibration
This tutorial will demonstrate how to calibrate a temperature-dependent Three Network (TN) material model using MCalibration. The example will use experimental data for a PEEK material that was tested at 4 different temperatures.
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Julia Implementation of Neo-Hookean Model
Short implementation of the Neo-Hookean model in Julia.
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Using the Abaqus Hysteresis Model
In this article I will show how to use the Abaqus *Hysteresis model. The specific focus is on when to use Hybrid elements.
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MCalibration Tutorial: Convergence Properties for Different Optimization Methods
MCalibration supports many different optimization methods. This study examines the performance of the different methods.
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Plot PolyUMod State Variables in ANSYS
This article illustrates how the PolyUMod state variables can be plotted in ANSYS Workbench.
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Calibrate a Material Model using DMA Data
Tutorial on how to calibrate a material model to both stress-strain and DMA data.
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Introduction to PolyUMod
PolyUMod is a library of advanced user material models for Abaqus, ANSYS, LS-DYNA, MSC Marc, and COMSOL.
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How to Update a License using Activation Keys
Tutorial on how to update the MCalibration and/or PolyUMod license using activation keys without running the installer.
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PolyUMod with Altair Radioss
Demonstrate how to use a PolyUMod material model with the Radioss explicit FE solver. Information about how to select and calibrate a PolyUMod material model is presented in our “MCalibration for Altair” tutorial.
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Calibrate Abaqus Cohesive Models using MCalibration
Tutorial how to use MCalibration to calibrate an Abaqus cohesive model
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Cohesive Element Modeling in Abaqus
A case study aimed at showing how to use the different cohesive elements and surface models available in Abaqus.
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What Is A Material Model?
I often get asked to define the terms “Material Model” and “Material Parameter”. This short article tries to explain what these terms mean.
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Bergstrom-Boyce (BB) Model Parameters
The Bergstrom-Boyce (BB) model is a powerful model for elastomers. This post graphically demonstrates what the material parameters mean.
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Abaqus Import Analysis using PolyUMod
Tutorial on how to importing the Abaqus results from one PolyUMod simulation to another
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Predicting Material Heating from Dissipated Energy
Tutorial on how to simulate how much a part heats up due to dissipated energy. The example is using Abaqus/Explicit and the PolyUMod library.
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Material Model for 3D Printed Nylon Filament
Different material models for a 3D printed nylon single filament tested in compression.
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TNV Model
Summary of the TNV model from the PolyUMod library. The TNV model can accurately predict the mechanical response of almost all polymers.
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Smart Mechanical Testing of Polymers
Smart mechanical testing is about how to extract as much info as possible using a small number of experiments.
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Export An MCalibration Material Model Into ANSYS
Learn how to export an MCalibration material model into ANSYS Workbench.
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Shell Elements in Abaqus, PolyUMod, and MCalibration
Learn how to properly use shell elements in Abaqus Standard, Explicit, PolyUMod, and MCalibration.
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Total Knee Replacement Modeling
Material models for UHMWPE used in total knee replacement prostheses.
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Tire Deformation
Discussion about different material models to use when modeling a tire.
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Elastomer Foam Vibration Damper
Material modeling of elastomer foams for vibration damping.
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Bioabsorbable Coronary Stent Design
Demonstration of how to use finite element analysis to analyze the performance of a bioabsorbable coronary stent design.
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Convert Prony Series to Frequency Data
Instructions for how to quickly convert a Prony series to storage and loss modulus as a function of frequency.
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Abaqus Material Model in MCalibration
Tutorial on how to use an Abaqus material model template in MCalibration
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MCalibration Parameter Connections
Information about how to setup connections and constraints between different parameters in MCalibration.
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MCalibration Tutorial: Abaqus Inverse Calibration
Tutorial on how to calibrate a material model using Abaqus simulations.
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