This paper deals with linear refraction-difractional and nonlinear dispersion mathematical models for simulation of low-frequency waves in port areas of various configurations. The phenomenon of resonance can be obser...This paper deals with linear refraction-difractional and nonlinear dispersion mathematical models for simulation of low-frequency waves in port areas of various configurations. The phenomenon of resonance can be observed in multiple places and pose a significant danger for ships and constructions. Generally, if the bottom relief is non-uniform and if inner/outer boundaries of protected areas are configurated in a complex way, the problem can be solved only by numerical methods. It presents the calculation results for the amplitude of infragravity waves at resonance frequencies. The paper highlights the solutions for diminishing the amplitude of resonance water fluctuations in port areas. In particular, it is noted that if a number of certain conditions is provided outside the protected area, it is possible to diminish substantially the height of infragravity waves inside the area. The validity of such an assumption is confirmed by calculations.展开更多
文摘This paper deals with linear refraction-difractional and nonlinear dispersion mathematical models for simulation of low-frequency waves in port areas of various configurations. The phenomenon of resonance can be observed in multiple places and pose a significant danger for ships and constructions. Generally, if the bottom relief is non-uniform and if inner/outer boundaries of protected areas are configurated in a complex way, the problem can be solved only by numerical methods. It presents the calculation results for the amplitude of infragravity waves at resonance frequencies. The paper highlights the solutions for diminishing the amplitude of resonance water fluctuations in port areas. In particular, it is noted that if a number of certain conditions is provided outside the protected area, it is possible to diminish substantially the height of infragravity waves inside the area. The validity of such an assumption is confirmed by calculations.
