Scattered-Field Formulation for Elastic Waves
Application ID: 115741
This model showcases how to solve for the scattered field when knowing the incident field for three different types of scatterer, i.e. an infinitely rigid one, a cavity and an elastic inclusion.
This formulation can be useful when the scatterer is in the far-field of the source, such that the probing wave resembles a plane wave. In this case, including the source would require an unnecessarily huge computational domain to be meshed. Both P and S plane waves are thus used as incident fields in the model.
Moreover, the model shows how to numerically compute the field emitted by a point source, and then use such solution as the known incident field for a subsequent study where the scattering problem is solved.
This model example illustrates applications of this type that would nominally be built using the following products:
however, additional products may be required to completely define and model it. Furthermore, this example may also be defined and modeled using components from the following product combinations:
- COMSOL Multiphysics® and
- either the 音響モジュール, MEMS モジュール, or 構造力学モジュール
The combination of COMSOL® products required to model your application depends on several factors and may include boundary conditions, material properties, physics interfaces, and part libraries. Particular functionality may be common to several products. To determine the right combination of products for your modeling needs, review the 製品仕様一覧 and make use of a free evaluation license. The COMSOL Sales and Support teams are available for answering any questions you may have regarding this.