Theory Background for the Pressure Acoustics Branch
This section describes the governing equations and the mathematical formulation of the governing equations as used in the Pressure Acoustics branch of the Acoustics Module. Details are also given regarding some of the boundary conditions, including the radiation boundary conditions as well as the exterior field calculation feature. The section starts with a general introduction to the governing equations used in pressure acoustics.
In this sections:
•
The Governing Equations
•
Pressure Acoustics, Frequency Domain Equations
•
Pressure Acoustics, Transient Equations
•
The Nonlinear Westervelt Equation
•
Pressure Acoustics, Boundary Mode Equations
•
Theory for the Plane, Spherical, and Cylindrical Radiation Boundary Conditions
•
Theory for the Exterior Field Calculation: The Helmholtz-Kirchhoff Integral