Regulating Calculation of Random Parameters in Structural Mechanics : Part 1, The Case to Be Restricted by the Standard Deviations of the Displacements

Abstract

A problem of randomness existing in the constituting elements and shape of structures arises inevitably in actual products. This affects the response and eigenvalues of the structure. Then, it is necessary to decide design standards rationally. In this paper a method of regulating the allowable deviations of the random parameters is investigated, when the allowable deviations of the displacements (stresses) are given. Linear deviation analysis by the partial derivative method is presented, and its applicability and characteristics are examined.