terms-and-examples-of-dynamic-loadsTerms and typical examples of dynamic loads:amTimeStress= Maximum stress= Minimum stress= Mean stress= Stress amplitude max min=-2am max min=+2u min( )u min( ) maxo( ) maxo( )TimeStressStressLoads in the pulsatingtensile rangePulsating tensile stressLoads in thealternatingrange(Pure) alternatingstressPure pulsating stressLoads in pulsatingstress rangemin / maxR = a / mA = Pressure (-)Tension (+)00 < R < 10 < A < 1 0 < R < 10 < A < 1 R = -1A = R < -11< A < R = 0A = 1 R = 0A = 1 Shaft with rotating flexure(torsion not taken into account)Compressor rotor blade(centrifugal force + dynamicloads)Rotor disk in the elastically stressed range (only centrifugal force)Rotor disk in the plastically stressed range (centrifugal force and thermalstress)Bolted flangeMean stressmStress amplitudeaTensile strength A = 0Gerber ParabolaGoodman LineDynamic strength diagram based on Goodman, Haigh, GerberA = 1Cyclical strength A =