Abstract
It is shown that for linear isotropic elastic and viscoelastic materials a single type of 1–D set of tension experiments with optical measurements supplies sufficient stress and strain data to completely characterize all moduli (including Young’s, shear and bulk ones) and all compliances. This is accomplished directly in real time space without the use of integral transforms and/or Poisson’s ratios and includes the complete history of loading and of displacements including their build ups. Additionally, several approaches to the determination of instantaneous moduli from 1–D quasi-static and dynamic experimental data are presented and evaluated.
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Notes
- 1.
FPS = frames per second, not feet per second which are denoted by fps.
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Acknowledgements
Support from IMI at Ramat Hasharon, Israel; Technion, Israel Institute of Technology (IIT) at Haifa; and from the Private Sector Program Division of the National Center for Supercomputing Applications (NCSA) at the University of Illinois at Urbana-Champaign (UIUC) is gratefully acknowledged.
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Michaeli, M., Shtark, A., Grosbein, H., Altus, E., Hilton, H.H. (2014). Analytical and Experimental Protocols for Unified Characterizations in Real Time Space for Isotropic Linear Viscoelastic Moduli from 1–D Tensile Experiments. In: Antoun, B., et al. Challenges In Mechanics of Time-Dependent Materials and Processes in Conventional and Multifunctional Materials, Volume 2. Conference Proceedings of the Society for Experimental Mechanics Series. Springer, Cham. https://doi.org/10.1007/978-3-319-00852-3_9
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