Details

Autor(en) / Beteiligte

• Huang, Ruiju
• Schmerr, Lester W.
• Sedov, Alexander

Titel

Multi-Gaussian Ultrasonic Beam Modeling for Multiple Curved Interfaces-an ABCD Matrix Approach

Ist Teil von

• Research in nondestructive evaluation, 2005-10, Vol.16 (4), p.143-174

Ort / Verlag

Taylor & Francis Group

Erscheinungsjahr

2005

Link zum Volltext

Quelle

Alma/SFX Local Collection

Beschreibungen/Notizen

• A multi-Gaussian beam model uses a superposition of Gaussian beams to simulate the waves radiated from an ultrasonic transducer. We show that propagation and reflection/transmission laws for Gaussian beams in fluids and elastic solids can be written in the form of A , B , C , D matrices that are analogous to the A, B, C, D scalars used in Gaussian optics. This representation leads to simple expressions for a Gaussian beam even after that beam has been transmitted or reflected at multiple curved interfaces and produces a highly modular multi-Gaussian beam model that is also computationally very efficient. Some examples of the use of this model for both planar and curved interfaces are given.