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A T-shaped specimen for the direct characterization of orthotropic materials

✍ Scribed by M. Grédiac; F. Pierron

Book ID
102651145
Publisher
John Wiley and Sons
Year
1998
Tongue
English
Weight
970 KB
Volume
41
Category
Article
ISSN
0029-5981

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✦ Synopsis

This paper deals with the deÿnition of a new test specimen geometry for the direct measurement of the four in-plane sti ness components of orthotropic materials. The technique is based on a suitable use of the principle of virtual work. The choice and application of four di erent types of virtual kinematic ÿelds leads to a system of equations that links the four sti ness components to the global force applied and geometry parameters. A numerical simulation based on ÿnite element modelling is used to validate the approach. The stability of the process is also demonstrated. ?

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✍ T. P. Harrigan; R. W. Mann 📂 Article 📅 1984 🏛 Springer 🌐 English ⚖ 488 KB

A second rank symmetric tensor which describes the degree of orientation in orthotropic materials is presented and shown to reflect accurately patterns of experimental data. The use of this tensor to describe microstructural anisotropy is compared to currently accepted methods and is found to be mor