The contact pressure is considered for an elastomeric rectangular seal with rounded edges. An asymptotic matching is performed between an available analytical expression of the contact pressure that neglects the finiteness of the seal dimensions and a fracture mechanics solution describing a periodically laterally cracked strip of finite width. This matching provides a corrected formula for the peak contact pressure that accounts for the finiteness of the seal dimensions. The analytical expression for the peak contact pressure is validated versus finite element predictions for a large family of seal geometries and, in particular, for a seal reference shape extracted from the pertinent literature. An appraisal of the finite deformation effect has been carried out numerically.

Analytical evaluation of the peak contact pressure in a rectangular elastomeric seal with rounded edges / Strozzi, Antonio; Bertocchi, Enrico; Mantovani, Sara; Giacopini, Matteo; Baldini, Andrea. - In: JOURNAL OF STRAIN ANALYSIS FOR ENGINEERING DESIGN. - ISSN 0309-3247. - 51:4(2016), pp. 304-317. [10.1177/0309324715612300]

Analytical evaluation of the peak contact pressure in a rectangular elastomeric seal with rounded edges

STROZZI, Antonio;BERTOCCHI, Enrico
;
MANTOVANI, SARA;GIACOPINI, Matteo;BALDINI, Andrea
2016

Abstract

The contact pressure is considered for an elastomeric rectangular seal with rounded edges. An asymptotic matching is performed between an available analytical expression of the contact pressure that neglects the finiteness of the seal dimensions and a fracture mechanics solution describing a periodically laterally cracked strip of finite width. This matching provides a corrected formula for the peak contact pressure that accounts for the finiteness of the seal dimensions. The analytical expression for the peak contact pressure is validated versus finite element predictions for a large family of seal geometries and, in particular, for a seal reference shape extracted from the pertinent literature. An appraisal of the finite deformation effect has been carried out numerically.
2016
51
4
304
317
Analytical evaluation of the peak contact pressure in a rectangular elastomeric seal with rounded edges / Strozzi, Antonio; Bertocchi, Enrico; Mantovani, Sara; Giacopini, Matteo; Baldini, Andrea. - In: JOURNAL OF STRAIN ANALYSIS FOR ENGINEERING DESIGN. - ISSN 0309-3247. - 51:4(2016), pp. 304-317. [10.1177/0309324715612300]
Strozzi, Antonio; Bertocchi, Enrico; Mantovani, Sara; Giacopini, Matteo; Baldini, Andrea
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11380/1119109
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