Computer-aided moire strain analysis on thermoplastic models at critical temperature

Marc Barillot; Pierre M. Jacquot; Giuseppe Di Chirico

doi:10.1117/12.49537

1 December 1991 Computer-aided moire strain analysis on thermoplastic models at critical temperature

Marc Barillot, Pierre M. Jacquot, Giuseppe Di Chirico

Proceedings Volume 1554, Second International Conference on Photomechanics and Speckle Metrology; (1991) https://doi.org/10.1117/12.49537
Event: San Diego, '91, 1991, San Diego, CA, United States

Abstract

Moire-holographic techniques are utilized to analyse the mechanical behaviour of structural elements made of thermoplastic materials in the critical temperature domain. Several extensions of the basic set-up are described, which consist mainly in the computation of in-plane displacement components by a phase-shifting technique and in the computation of the derivatives of these components, either by pure numerical means or by a hybrid procedure involving an analog optical recording followed by an automatic phase calculation. The results of tests carried out with ring shaped perspex specimens subjected to compression, under various boundary conditions and different temperature domains, are also provided.

Citation Download Citation

Marc Barillot, Pierre M. Jacquot, and Giuseppe Di Chirico "Computer-aided moire strain analysis on thermoplastic models at critical temperature", Proc. SPIE 1554, Second International Conference on Photomechanics and Speckle Metrology, (1 December 1991); https://doi.org/10.1117/12.49537

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