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dynamic analysis - pushover analysis? - information resources?

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Chris Wright wrote:
"Two different things. The pushover analysis is non-linear quasi-static,
so the dynamic loading characteristics have to be fudged into the
applied loading. Ordinary linear dynamics doesn't apply to non-linear
behavior, except with some fudging on the spectra.

"You can do a dynamic pushover analysis using time-history methods, but
it's a huge pain in the ass and has a whole litany of approximations of
its own, not the least of which is getting a realistic but practicable
load set. You can generate a synthetic earthquake record from a
response spectrum, but it's not a very satisfactory process, and only a
statistical artifice."

I believe pushover analysis is recommended for performance based design.
I know that Caltrans uses such analyses (i.e. W-Frame) to work towards design.
Is there any further information, any resources on the origin of using pushover
analyses for design that someone can recommend?

Curious:  What other fields use such pushover analysis besides designing
of civil structures?

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