Model for Optimization Elements System for Screening of Cylindrical Hydroacoustic Aerials

摘要

In the design of sonar antennas are widely used screening elements-passive soundproofing elements purpose is to optimize the properties of the antenna and increase the efficiency of electroacoustic conversion. The sonar receiving antennas is their role in preventing seizure anti-jamming and unwanted signals, in particular, the rear direction, and radiating-concentration with increasing energy of the radiation power in a desired direction and to minimize side-to-back radiation. However, studies on this subject remain a number of open promising areas related to potential uses in the construction of the shielding elements of a new class of low-symmetry of anisotropic functionally graded materials, as well as with the improvement of simulation models of functioning shielded electroacoustic transducers and the development of applied analysis models numerical and analytical mathematical methods. The article presents numerical and analytical methods of analysis will wave in a single cylindrical hollow electroacoustic transducer sonar antenna with an inner cylindrical screen and the external element of open-conformal shielding sector-circular cross section, made of inhomogeneous anisotropic functionally graded materials.