# Problem Files

The files for this tutorial are available under the following names:
- tut_1a.gid: Harmonic analysis of the transducer in vacuum
- tut_1w.gid: Harmonic analysis of the transducer in water

# Problem Description

This tutorial describes the harmonic (frequency domain) analysis of a Tonpilz-type transducer. First, the transducer is considered without loading (in-vacuum); then, it is considered to be radiating in water. The transducer is assumed to be axisymmetrical, thus the model is two-dimensional and only a cross-section of the transducer is represented.

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