15.1.1915 Yerevan/RU - 12.10.1981 Yerevan/RU
Andik Karapetovich Ananian graduated as a civil engineer from V.V. Kuybychev University, Moscow and then participated in World War II. He defended his PhD thesis in 1946. One year later he moved to Yerevan, Armenia's capital, to be appointed head of the hydraulic laboratory of the Armenian Technical University ATU. Ananian presented his habilitation thesis in 1954 and directed from 1956 the Armenian Hydropower Institute for eight years. From 1964, he was deputy director of the Institute of Hydropower and Hydraulic Structures, and he took over in 1972 as professor of hydraulic structures at ATU. He was involved in the Journal of the Armenia Academy.
Ananian is particularly known for his research in bend flow. While his 1957 paper was related to pressurized flow in a pipe bend, he extended investigations to river bends with in the 1958 paper. A summary of these findings is available in the 1967 paper, in which his name became known in the West. The problem of quasi-steady plane uniform turbulent flow carrying suspended matter was investigated in 1965. Whereas Osborne Reynolds (1842-1912) introduced the time-averaged form of Navier-Stokes equations, Felix Isidorovich (1905-1961) presented an extended version accounting for suspended matter in the flow. Ananian considered the latter set of equations and added closure relations to allow for a solution of the problem. The results include expressions for the resistance forces of the mixture flow, the vertical distribution of flow turbidity, the transport capacity and the tangential shear along the channel bottom.
Ananian, A.K. (1957). The movement of liquid at the bend of the conduit. Isdatelstvo Akademi Nauk Armanskoy SSR: Yerevan.
Ananian, A.K. (1958). Transverse circulation of a turbulent flow in a river bend. Riverbed processes: 28-41. Akademii Nauk USSR: Moscow (in Russian).
Ananian, A.K. (1961). Détermination de la formation du lit des rivières crée par suite de l'abaissement de la cote de leurs bases d'érosion. 9 IAHR Congress Dubrovnik: 1102-1113.
Ananian, A.K., Gerbashian, E.T. (1965). About the system of equations of movement of flow carrying suspended matter. Journal of Hydraulic Research 3(1): 20-30.
Ananian, A.K. (1967). An approximate theory of secondary flows at the bend of the river course. 12 IAHR Congress Fort Collins 1: 422-428.
Anonymous (1982). Prof. A.K. Ananian. Izvestiya Akademia Nauk Armenia 35(1): 44.
Sanoian, V.G., Ananian, A.K. (1959). To the problem of theory of sediment motion in turbulent flow. Proc. Conf. Hydromechanization of earth and mining work Moscow (in Russian).

Hydraulicians in Europe 1800-2000 . 2013.

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