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Shells are used for multiple load bearing applications due to their attractive property of high stiffness to weight ratio. Various studies were reported in literature on buckling, free vibration and elastic-plastic transition of hemispherical shells. Few studies dealt with ellipsoidal shells subjected to internal/external pressure. In this paper, we study the elastic critical load characteristics of ellipsoidal shells of revolution subject to compression, targeting a load sensing application. A validated finite element model is built to perform a careful unified study of multiple design configurations and new generalised shell parameters are proposed which represent both hemispherical and elliptical configurations. This helps the designers explore a larger design space in a unified framework and arrive at an optimum configuration.

Elastic Critical Load Characterization of Ellipsoidal Shells of Revolution: Design Study and Generalized Shell Parameters