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Comparison of Complex Moduli Obtained from Forced and Free Damped Oscillations

 

作者: R. A. Heller,   C. J. Nederveen,  

 

期刊: Transactions of the Society of Rheology  (AIP Available online 1967)
卷期: Volume 11, issue 1  

页码: 113-123

 

ISSN:0148-6055

 

年代: 1967

 

DOI:10.1122/1.549073

 

出版商: The Society of Rheology

 

数据来源: AIP

 

摘要:

While the concept of the complex modulus is based on a forced vibration experiment it is a frequent practice to perform instead a much simpler free damped oscillation test from which an approximate value of the modulus is then evaluated. The validity of this approach and the ensuing errors are discussed and illustrated on a multielement generalized Maxwell body. It is shown that with modifications the method is applicable even for highly damped materials.

 

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