‘Tuning’ the Variable Stiffness Head Gasket an Interactive Computational Approach

871998

10/01/1987

Event
Passenger Car Meeting & Exposition
Authors Abstract
Content
Problems of bore distortion, combustion blowby and gasket fatigue in lightweight engine blocks are ultimately related to the gasket sealing pressure distribution. For both conventional embossed steel gaskets and composite ones this distribution can be modified by suitable local changes in gasket stiffness. Current methods of gasket optimization concentrate on large scale iterative finite element analysis of the head/gasket/block system, with major computational costs. We present a more economical alternative in which condensed compliance matrices are obtained either from elementary NASTRAN runs or by experimental means. The algorithm enables the gasket engineer to ‘tune’ the gasket to the desired sealing pressure profile with acceptable stiffness variations.
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DOI
https://doi.org/10.4271/871998
Pages
11
Citation
Glander, D., and Punch, E., "‘Tuning’ the Variable Stiffness Head Gasket an Interactive Computational Approach," SAE Technical Paper 871998, 1987, https://doi.org/10.4271/871998.
Additional Details
Publisher
Published
Oct 1, 1987
Product Code
871998
Content Type
Technical Paper
Language
English