## Abstract

This paper describes a new way to write and solve the governing equations of fluid dynamics that is very well suited to aeroacoustics problems. The flow field variables are split into a mean and a fluctuating part, and then inserted into the governing equations. If the mean flowfield satisfies the steady-state governing equations, then the resulting equations can be written in a very convenient form. These equations are then solved using a method that is second or fourth order accurate in space and time, on a Cartesian grid. Several aeroacoustic benchmark problems are solved, some duct propagation problems are presented, and a long- range scattering problem is solved. The code is written in Fortran-90 using the Message Passing Interface (MPI), and performance results are presented for a cluster of workstations

Original language | English (US) |
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State | Published - Dec 1 2000 |

Event | 6th Aeroacoustics Conference and Exhibit, 2000 - Lahaina, HI, United States Duration: Jun 12 2000 → Jun 14 2000 |

### Other

Other | 6th Aeroacoustics Conference and Exhibit, 2000 |
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Country/Territory | United States |

City | Lahaina, HI |

Period | 6/12/00 → 6/14/00 |

## All Science Journal Classification (ASJC) codes

- Aerospace Engineering
- Electrical and Electronic Engineering
- Mechanical Engineering
- Acoustics and Ultrasonics