Volume 4, issue 1
This issue’s articles are devoted to the research results in the field of speed boats hydrodynamics, non-stationary motion of wings, fluctuating flow of an incompressible fluid, as well as trends in the development of underwater vehicles and their subsystems, including work under the ice; methods of substantial improvement of seaworthiness and reducing speed boats rolling through the use of wave load converters; mathematical model of functioning of a flat rigid wing of different elongation in a condition of high amplitude of linear and angular vibrations, as well as various positions of rotational axis of wing; based on the use of hydrodynamic equations of incompressible fluid study of probabilistic structure of field as a basis for solving problems related to estimation of dimensionless parameters of flow generated by a moving external source; overview of practical possibilities and trends in development of unmanned autonomous underwater vehicles used for marine research in ice conditions; methods of digital formation of directional characteristics of hydroacoustic antennas of underwater robot hydro locator in temporal area.
Volume 4, issue 2
This issue’s articles are devoted to the results of hydrostatic simulation of surface and internal tides generation in the White Sea; existence of internal waves and closed areas of equal temperature and velocity in the Black Sea; the software package for numerical simulation of propagation and transformation of internal gravity waves in the ocean; the approximate reconstruction methods for main hydrophysical fields based on thermohaline measurements in deep water; the results of flow measurments on a depths below the thermocline and study of shores variability caused by combined action of wind and bow waves in the Gulf of Finland; based-on-statistical-tests solution of the problem of determining the effort while lifting load from great depths under conditions of irregular sea waves.
Volume 4, issue 3
This issue’s articles are devoted to the materials presented within The Naval Show 2011 roundtable, dedicated to the 60th anniversary of the Section of Applied Problems; discussions about fundamental science research directions for development of Navy capabilities; milestones and prospects for development of ship fluid mechanics; proposal to describe hydrodynamic processes using the nonlocal fluid mechanics apparatus instead of the classical theory, which is impossible to apply in a highly nonequilibrium conditions;analytical overview of prospects of the underwater mobile robots use on purpose to solve naval tasks; concept and basic properties of integrated network systems for underwater observation; analysis of existing methods of aperture synthesis in hydroacoustics and method of wideband signal synthesis; the results of theoretical and experimental studies of nonlinear phenomena in acoustics; the problem of active damping of low-frequency noise vibrations; directions for research and practical work which purposes are to incorporate cetaceans in biotechnical systems for official use and to create technical analog of dolphin sonar system.
Volume 4, issue 4
This issue’s articles are devoted to generalization of studies of abnormal waves on surface of water and in deep ocean; features and selection criteria of anomalous ocean waves and assessment of probabilistic characteristics of their observations obtained from the results of in-situ measurements carried out in different regions of the ocean with the use of contact and remote facilities; analysis of conditions for rogue waves onset depending on hydrometeorological factors; abnormal waves of specific water area of the southern coast of Sakhalin Island, which frequency of observation is described by a Poisson process; overview of physical mechanisms of the abnormally large internal waves formation.