These have a horizontal crest, as in the nonrotating case.
D. Renouard, J.-P. Germain 1994, 'Experimental study of long nonlinear internal waves in rotating fluid', Annales Geophysicaehttps://www.ann-geophys.net/12/254/1994/angeo-12-254-1994.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Interestingly, the nonrotating superpositions reproduce stable multivortex configurations that appear in rotating superfluids.
Konstantin Y. Bliokh, Peter Schattschneider, Jo Verbeeck, Franco Nori 2012, 'Electron Vortex Beams in a Magnetic Field: A New Twist on Landau Levels and Aharonov-BohmStates', Physical Review Xhttp://doi.org/10.1103/PhysRevX.2.041011. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Nonrotating conditions are also considered and results obtained are plotted.
P. M. G. Bashir Asdaque, R. K. Behera 2014, 'Vibration Analysis of Hollow Tapered Shaft Rotor', Advances in Acoustics and Vibrationhttp://dx.doi.org/10.1155/2014/410851. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)