Experimental Testing
Temperature Testing for Material Model Calibration
In this article I will explain what types of experiments are needed in order to calibrate a temperature-dependent material model.
17 September, 2023
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Calibrated Material Models
Best Material Model for PEI
This article examines different material models for polyetherimide (PEI), and finds the most accurate model for FEA use.
11 September, 2023
FEA Theory
The Stress Concentration for a Plate with a Hole is NOT 3
It commonly believed that the stress concentration factor for a plate with a hole in uniaxial tension is 3. This not true!
4 September, 2023
MCalibration Tutorials
Use Transverse Strain Data in a Material Model Calibration
When performing uniaxial tests, you should consider also recording the transverse strain. This article shows how use the transverse strain data.
28 August, 2023
Linear Viscoelasticity
How to Know if a Material is Linear Viscoelastic
This article explains how you can know if a material is linear or non-linear viscoelastic. A few simple tests are all that is needed.
20 August, 2023
Failure Predictions
Configurational Mechanics and Crack Driving Forces
Crack driving forces extend the J-integral and allow for analysis of the fracture response of viscoplastic materials under any load history.
15 August, 2023
MCalibration Tutorials
Quickly Generate a TTS Master Curve
This article shows how you can use the new Master Curve tool in MCalibration to quickly generate a TTS master curve from experimental data.
18 June, 2023
Failure Predictions
Elastic-Plastic Fracture Mechanics: J-Integral Experiments
This article discusses how to experimentally measure the J-integral using basic tension experiments and specialized specimen geometries.
13 June, 2023
Failure Predictions
Elastic-Plastic Fracture Mechanics: J-Integral Theory
The J-Integral is the key quantity of Elastic-Plastic Fracture Mechanics (EPFM). This article shows how to derive it from first principles.
5 June, 2023