Lifting the singular nature of a model for peeling of an adhesive tape

De, R. ; Ananthakrishna, G. (2008) Lifting the singular nature of a model for peeling of an adhesive tape European Physical Journal B, 61 (4). pp. 475-483. ISSN 1434-6028

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We investigate the dynamics of peeling of an adhesive tape subjected to a constant pull speed. Due to the constraint between the pull force, peel angle and the peel force, the equations of motion derived earlier fall into the category of differential-algebraic equations (DAE) requiring an appropriate algorithm for its numerical solution. By including the kinetic energy arising from the stretched part of the tape in the Lagrangian, we derive equations of motion that support stick-slip jumps as a natural consequence of the inherent dynamics itself, thus circumventing the need to use any special algorithm. In the low mass limit, these equations reproduce solutions obtained using a differential-algebraic algorithm introduced for the earlier singular equations. We find that mass has a strong influence on the dynamics of the model rendering periodic solutions to chaotic and vice versa. Apart from the rich dynamics, the model reproduces several qualitative features of the different waveforms of the peel force function as also the decreasing nature of force drop magnitudes.

Item Type:Article
Source:Copyright of this article belongs to EDP Sciences.
ID Code:540
Deposited On:21 Sep 2010 11:46
Last Modified:12 May 2011 07:45

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