Phương trình thông dụng xấp xỉ của sóng rayleigh trong nửa không gian đàn hồi được phủ bởi một lớp đàn hồi không đồng nhất yếu mỏng

• Ngôn ngữ: vie
• Ký hiệu phân loại: 530 Physics
• Thông tin xuất bản: Vietnam journal of mechanics, 2015
• Mô tả vật lý: 71-80
• Bộ sưu tập: Metadata
• ID: 489376

Tóm tắt

In this paper, the propagation of Rayleigh waves in a homogeneous isotropic elastic half-space coated with a thin weakly inhomogeneous isotropic elastic layer is investigated. The material parameters of the layer is assumed to depend arbitrarily continuously on the thickness variable. The contact between the layer and the half space is perfectly bonded. The main purpose of the paper is to establish an approximate secular equation of the wave. By applying the effective boundary condition method an approximate secular equation of second order in terms of the dimensionless thickness ot the layer is derived. It is shown that the obtained approximate secular equation has good accuracy.