Numerical simulation of radial and axial compressed elastomeric O-ring relaxation

1
Mohammed DIANY
Mohammed DIANY Ph. D. in mechanical engineering
2
Dr. Hicham AISSAOUI
Dr. Hicham AISSAOUI
3
Jaouad AZOUZ
Jaouad AZOUZ
1 FACULTE DES SCIENCES ET TECHNIQUES BENI MELLAL, UNIVERSITE SULTAN MOULAY SLIMANE BENI MELLAL.

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The elastomeric O-ring gaskets are often used in pressurized hydraulic and pneumatic equipments to ensure their sealing. The quality of the O-ring is measured by achieving the desired tightness level. The satisfaction level of practical operation depends on the consistency of long-terms mechanical properties located during the useful life and on the conditions of assembly installation and the O-ring location. Indeed, the gasket is pressed on flat faces or housed in specially arranged grooves for which the dimensions influence greatly the assembly behavior. In this article, an axisymmetric finite element model is proposed to simulate the O-ring relaxation behaviour during the few first days of its installation in both the unrestrained and restrained radial and axial loading cases. The contact stress profiles and the peak contact stresses are determined versus the time relaxation in order to specify the working conditions thresholds.

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No external funding was declared for this work.

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The authors declare no conflict of interest.

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No ethics committee approval was required for this article type.

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Not applicable for this article.

Mohammed DIANY. 2012. \u201cNumerical simulation of radial and axial compressed elastomeric O-ring relaxation\u201d. Global Journal of Research in Engineering - A : Mechanical & Mechanics GJRE-A Volume 12 (GJRE Volume 12 Issue A4): .

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Crossref Journal DOI 10.17406/gjre

Print ISSN 0975-5861

e-ISSN 2249-4596

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v1.2

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July 3, 2012

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English

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The elastomeric O-ring gaskets are often used in pressurized hydraulic and pneumatic equipments to ensure their sealing. The quality of the O-ring is measured by achieving the desired tightness level. The satisfaction level of practical operation depends on the consistency of long-terms mechanical properties located during the useful life and on the conditions of assembly installation and the O-ring location. Indeed, the gasket is pressed on flat faces or housed in specially arranged grooves for which the dimensions influence greatly the assembly behavior. In this article, an axisymmetric finite element model is proposed to simulate the O-ring relaxation behaviour during the few first days of its installation in both the unrestrained and restrained radial and axial loading cases. The contact stress profiles and the peak contact stresses are determined versus the time relaxation in order to specify the working conditions thresholds.

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Numerical simulation of radial and axial compressed elastomeric O-ring relaxation

Dr. Hicham AISSAOUI
Dr. Hicham AISSAOUI
Mohammed DIANY
Mohammed DIANY FACULTE DES SCIENCES ET TECHNIQUES BENI MELLAL, UNIVERSITE SULTAN MOULAY SLIMANE BENI MELLAL.
Jaouad AZOUZ
Jaouad AZOUZ

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