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mistral (version 2.2.2)

rackwitz: A limit-state-function defined by Rackwitz

Description

The function is defined in the standard space and internal normal-lognormal transformation is done. Its definition with iid lognormal random variables is: $$d + a\sigma\sqrt{d} - \sum_{i=1}^d x_i$$ Default values are: \(a=1\), mean=1 and \(\sigma=0.2\).

Usage

rackwitz

Arguments

Format

The function can handle a vector or a matrix with column vectors.

References

Rackwitz, R:
Reliability analysis: a review and some perspectives
Structural Safety, 23, 4, 365-395, 2001.