Concept
Second order effects
2 essays name this object, across one field. What follows is each of them, and the objects they name alongside it.
The load that makes itself worse
A structure that has leaned carries its weight off the axis, which makes it lean further. The amplification is one over one minus the load ratio, and it runs away long before the buckling load.
The column that was never straight
Euler's load is the load at which a perfectly straight column becomes indifferent to being bent. No column is perfectly straight, so no column ever reaches it — and the load it never reaches can still be measured.
Named alongside it
The objects these essays reach for when they reach for this one.
Amplification factorImperfectionBifurcationCritical loadEccentricityEffective lengthEuler bucklingNotional loadP-deltaResidual stressSouthwell plot