The dimensions used for the geometry are (in mm) shown in the next table, along with the material type.
Ceramic Rings Inner Radius 6 PZT8
Outer Radius 18
Prestress Rod Length 64 Steel
Small Radius 4
Large Radius 6
Headmass Inner Radius 6 Aluminum
Small Outer Radius 18
Large Outer Radius 20
Tailmass Inner Radius 6 Steel
Small Outer Radius 20
Large Outer Radius 23
Nut Inner Radius 6 Steel
Outer Radius 10
Water Radius 56 Water

Important Reminder

Because this is an axisymmetrical problem, many quantities are affected by a 2π factor of symmetry, such as the impedance, for instance.
Always make sure to verify that the factor of symmetry is properly taken into account.
Generally speaking, all results in the ATILA-GiD interface are provided without correction for the factor of symmetry.
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