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Updated: Oct 22, 2025

Fabrication of Compressed Hosiery and Measurement of its Pressure Characteristic Exerted on the Lower Limbs
Published on: May 27, 2020
Predicting Compression Pressure of Knitted Fabric Using a Modified Laplace's Law.
Yetanawork Teyeme1,2, Benny Malengier1, Tamrat Tesfaye2
1Centre for Textile Science and Engineering, Department of Materials, Textiles and Chemical Engineering, Ghent University, 9052 Ghent, Belgium.
This study presents a mathematical model to predict compression pressure in knitted fabrics using mechanical properties. The model accurately predicts pressure, crucial for understanding fabric performance in compression garments.
Area of Science:
- Textile Engineering
- Biomedical Engineering
- Materials Science
Background:
- Compression fabrics are vital in medical and athletic wear.
- Accurate prediction of interface pressure is essential for garment efficacy and comfort.
- Existing models may not fully capture the complex interplay of fabric properties and pressure.
Purpose of the Study:
- To develop and validate a mathematical model for predicting compression pressure in knitted fabrics.
- To correlate fabric mechanical properties (stress, strain, modulus) with interface pressure.
- To assess the impact of washing on fabric pressure transmission.
Main Methods:
- Characterization of four knitted compression fabrics with varying compositions and structures.
- Measurement of fabric mechanical properties via force-elongation tests.
- Assessment of interface pressure using a Picopress device and integration into Laplace's law.
Main Results:
- A strong correlation was found between experimental and calculated compression pressure values (difference < 0.5 mmHg).
- Fabric parameters like strain, elasticity modulus/stress, and thickness significantly influence interface pressure.
- Washing cycles demonstrably affected the fabric-cylinder interface pressure.
Conclusions:
- The developed mathematical model provides a reliable method for predicting compression pressure in knitted fabrics.
- Understanding fabric mechanical properties is key to designing effective compression textiles.
- Fabric durability and performance, specifically pressure transmission, are significantly impacted by washing.
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