Editing Aeroelasticity (section)

==== Transonic aeroelasticity ====
Flow is highly non-linear in the [[transonic]] regime, dominated by moving shock waves. Avoiding flutter is mission-critical for aircraft that fly through transonic Mach numbers. The role of shock waves was first analyzed by [[Holt Ashley]].<ref>{{cite journal |first=Holt |last=Ashley |title=Role of Shocks in the 'Sub-Transonic' Flutter Phenomenon |journal=Journal of Aircraft |volume=17 |issue=3 |year=1980 |pages=187–197 |doi=10.2514/3.57891 }}</ref> A phenomenon that impacts stability of aircraft known as "transonic dip", in which the flutter speed can get close to flight speed, was reported in May 1976 by Farmer and Hanson of the [[Langley Research Center]].<ref>{{cite journal |last1=Farmer |first1=M. G. |last2=Hanson |first2=P. W. |title=Comparison of Super-critical and Conventional Wing Flutter Characteristics |journal=NASA Tm X-72837 |date=1976 |doi=10.2514/6.1976-1560 |hdl=2060/19760015071 |s2cid=120598336 |hdl-access=free }}</ref>