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Updated: Jun 11, 2025
09:39
Characterizing Dissipative Elastic Metamaterials Produced by Additive Manufacturing
Published on: June 28, 2024
867
A Comprehensive Review on the Viscoelastic Parameters Used for Engineering Materials, Including Soft Materials, and
Hasan Koruk1, Srinath Rajagopal1
1Ultrasound and Underwater Acoustics Group, Department of Medical, Marine and Nuclear, National Physical Laboratory, Teddington, Middlesex TW11 0LW, UK.
Sensors (Basel, Switzerland)
|September 28, 2024
Summary
This review details various methods for identifying material damping parameters, crucial for understanding dynamic behavior. It presents theoretical derivations and relationships between numerous damping descriptors for research and teaching.
Area of Science:
- Materials Science
- Mechanical Engineering
- Physics
Background:
- Material stiffness is easily measured statically, but damping identification requires dynamic testing.
- Damping prediction and measurement are challenging, with various methods yielding different parameters.
- Common damping parameters include viscous damping ratio, loss factor, complex modulus, and viscosity.
Purpose of the Study:
- To provide a comprehensive review of theoretical derivations for damping parameters.
- To present the relationships between different damping parameters.
- To offer a quantitative evaluation of accurate and approximate formulas for damping analysis.
Main Methods:
- Review of theoretical derivations for damping quantification.
- Analysis of relationships between various damping parameters.
- Evaluation of formulas for high and low damping scenarios.
Main Results:
- Compilation of theoretical derivations for numerous damping parameters.
- Presentation of interrelationships between diverse damping metrics.
- Quantitative assessment of formulas for damping characterization.
Conclusions:
- This work serves as a foundational resource for damping research and education.
- Understanding the relationships between damping parameters is essential for accurate material characterization.
- The review facilitates the conversion and comparison of damping data obtained through different experimental techniques.
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