Compression Testing Analyzer

Computes the compressive modulus, yield, and ultimate stress and strain values
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Updated 17 Oct 2016

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CompressAnalysis.m reads an Excel file containing Load [N] vs. Relative Displacement [mm] values obtained from compression of a cylindrical gel (with given height and diameter [mm]) until failure using a mechanical tester (like an Instron machine). After analysis, compressive modulus, yield, and ultimate stress and strain values are computed, results plotted with animation, and a new Excel file is created containing the results.

Cite As

Roche de Guzman (2026). Compression Testing Analyzer (https://www.mathworks.com/matlabcentral/fileexchange/59758-compression-testing-analyzer), MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R2015a
Compatible with any release
Platform Compatibility
Windows macOS Linux
Version Published Release Notes
1.2.0.0

corrected the true values for compression:
strain_true = -ln(1-strain)
stress_true = stress*(1-strain)

1.1.0.0

tested to work at experimental data of sample size n = 9

1.0.0.0