Strength analysis of sandwich beams with linear elastic inner layer

A waterproof or water-resistant sandwich structure which consists of housing chassis and a gasket requires that gasket contact pressure, which depends on bolt axial force, is greater than the design minimum pressure on the entire circumference.However, it is also necessary that gasket contact pressure is smaller than the maximum permissible gasket pressure.If the maximum stress in chassis can be calculated from bolt axial force, gasket specifications and chassis stiffness, it is helpful for a design of such waterproof structures.In this study, chassis have been regarded as Bernoulli-Euler beams, and two simple numerical methods have thus been derived.Numerical results using the proposed method are sufficiently converged even in case that the number of partitions is about 10.

Abstract licence: CC BY-NC-ND

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