Blog Articles
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.
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.
Abaqus Import Analysis using PolyUMod
Tutorial on how to importing the Abaqus results from one PolyUMod simulation to another
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.
Material Model for 3D Printed Nylon Filament
Different material models for a 3D printed nylon single filament tested in compression.
TNV Model
Summary of the TNV model from the PolyUMod library. The TNV model can accurately predict the mechanical response of almost all polymers.
Smart Mechanical Testing of Polymers
Smart mechanical testing is about how to extract as much info as possible using a small number of experiments.
Export An MCalibration Material Model Into ANSYS
Learn how to export an MCalibration material model into ANSYS Workbench.
Shell Elements in Abaqus, PolyUMod, and MCalibration
Learn how to properly use shell elements in Abaqus Standard, Explicit, PolyUMod, and MCalibration.
Total Knee Replacement Modeling
Material models for UHMWPE used in total knee replacement prostheses.
Tire Deformation
Discussion about different material models to use when modeling a tire.
Elastomer Foam Vibration Damper
Material modeling of elastomer foams for vibration damping.
Bioabsorbable Coronary Stent Design
Demonstration of how to use finite element analysis to analyze the performance of a bioabsorbable coronary stent design.
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.
Abaqus Material Model in MCalibration
Tutorial on how to use an Abaqus material model template in MCalibration
MCalibration Parameter Connections
Information about how to setup connections and constraints between different parameters in MCalibration.
MCalibration Tutorial: Abaqus Inverse Calibration
Tutorial on how to calibrate a material model using Abaqus simulations.
Simple Shear
In large deformations, simple shear is not so simple. This article describes how to properly test and analyze shear behavior.
Anisotropic Hyperelasticity in ANSYS WB
Quick demo on how to use an anisotropic hyperelastic model in ANSYS Workbench.
ANSYS Anisotropic Hyperelastic: Exponential
MCalibration now support the ANSYS Anisotropic Exponential Hyperelastic model. Quick accurate calibrations.
ANSYS Anisotropic Hyperelastic: Polynomial
MCalibration now support the ANSYS Anisotropic Polynomial Hyperelastic model. Quick accurate calibrations.
Convert Elastic Constants
Here is a table with conversions between different elastic constants. Other Common Definitions and Equations Green-Lagrange Strain: ( mathbf{E} = frac{1}{2} left[ mathbf{C} – mathbf{I}
FEA of a Threaded Connection using Abaqus
A summary presentation on how to simulate a threaded connection with a Teflon seal.
Solid Mechanics Ph.D. Qualifying Questions
Free E-book with equations that I collected as part of my Ph.D. qualifying exams prep at MIT.
Install Abaqus 2020 on Ubuntu 19.10
Instructions for how to install Abaqus 2020 on Linux Ubuntu 19.10.
Convergence Tips: PolyUMod with COMSOL
Recommended COMSOL settings when using a PolyUMod material model.
PEEK Calibration Tutorial – Part 4
Part 4 of a tutorial series on how to calibrate a material model for PEEK. The focus is on the results from the calibrations.
PEEK Calibration Tutorial – Part 3
Part 3 of a tutorial series on how to calibrate a material model for PEEK. The focus is on the material models.
PEEK Calibration Tutorial – Part 2
Part 2 of a tutorial series on how to calibrate a material model for PEEK. The focus is on setting up the experimental data in MCalibration.
PEEK Calibration Tutorial – Part 1
Part 1 of a tutorial series on how to calibrate a material model for PEEK. The focus is on the experimental testing.
Fast and Easy Material Model Calibration For Any Rubber
Detailed review of how to quickly and accurately calibrate material model for a rubber.
Material Model for Polypropylene
Calibrated non-linear viscoplastic material model for a PP.
Material Model for POM (KEPITAL TS-25H)
Calibrated non-linear viscoplastic material model for POM (KEPITAL TS-25H)