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This book presents a generalized version of the classical Kelvin-Helmholtz instability, a useful tool which allows for new approaches when studying stability problems in fluid mechanics, as well as its important applications. It begins by providing an introduction to hydrodynamic stability and the Kelvin-Helmholtz (KH) instability. The author then develops the general KH stability model for a multi-layer flow system, which includes the conventional KH instability as a special case. This book also includes the detailed discussion of two important applications of this model: the generation of sand waves in alluvial channels and the generation of wind waves on water. Additionally, the effects of nonlinearities and the use of computational methods to study KH instability are included.
This book serves as a concise and modern treatment of the KH stability model with specific attention paid to hydrodynamic stability analysis. It is ideal for graduate students interested in fluid dynamics as well as scientists and engineers in the fields of oceanography, geophysics, offshore engineering, and more.
List of contents
1 The General Kelvin - Helmholtz Stability Model.- 2 Stability of Free Surface Flow with a Bed Layer and its Relation to Sand Wave Generation.- 3 Generation of Water Waves by Wind.
About the author
Dr. Hermann Moshagen is the founder of BHM Engineering Services in Trondheim, Norway, where he currently works. He received his PhD in applied mathematics from the Norwegian University of Science and Technology (NTNU) in 1985. From 1982 to 2001, he worked as a pipeline engineer and engineering manager at Statoil (now Equinor). In 2009, Dr. Moshagen was elected president of ISOPE (International Society of Offshore and Polar Engineers) which he served as for 2 years.
