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Chelyab. Fiz.-Mat. Zh., 2016, Volume 1, Issue 3, Pages 92–107 (Mi chfmj32)  

Mechanics

Dynamic deformation of PMMA: the influence of viscoelastic properties

T. V. Popovaa, A. E. Mayera, K. V. Khishchenkob

a Chelyabinsk State University, Chelyabinsk, Russia
b Joint Institute for High Temperatures, Russian Academy of Sciences, Moscow, Russia

Abstract: Earlier using 1D simulation within the framework of Maxwell model we showed that the viscoelastic properties of PMMA, on the one hand, affect velocity of weak shock waves, on the other hand, have a little influence on the compression pulse attenuation. In this paper we generalize the model of PMMA deformation onto 2D case and use it for further investigations. We perform 2D simulations of dynamics of a diverging shock wave generated by a pressure pulse applied to PMMA surface and high-velocity impact of PMMA plates. These simulations also show that the viscoelastic properties slightly affect the compression pulse dynamics in PMMA, but substantially determine the shape of colliding plates. The obtained results mean that calculations within the hydrodynamic approximation can be used for interpretation of the experiments on the rear spallation of PMMA.

Keywords: polymeric material, polymethylmethacrylate, shock wave, viscoelastic media, Maxwell model.

Funding Agency Grant Number
Ministry of Education and Science of the Russian Federation 3.1334.2014/
M-7481.2016.1
-10174.2016.2
Russian Foundation for Basic Research 14-08-00967


Full text: PDF file (1292 kB)
References: PDF file   HTML file

UDC: 539.3
Received: 14.09.2016
Revised: 09.10.2016

Citation: T. V. Popova, A. E. Mayer, K. V. Khishchenko, “Dynamic deformation of PMMA: the influence of viscoelastic properties”, Chelyab. Fiz.-Mat. Zh., 1:3 (2016), 92–107

Citation in format AMSBIB
\Bibitem{PopMayKhi16}
\by T.~V.~Popova, A.~E.~Mayer, K.~V.~Khishchenko
\paper Dynamic deformation of PMMA: the influence of viscoelastic properties
\jour Chelyab. Fiz.-Mat. Zh.
\yr 2016
\vol 1
\issue 3
\pages 92--107
\mathnet{http://mi.mathnet.ru/chfmj32}


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