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This module models the generation and propagation of low frequency sound in complex duct networks. The frequency range is limited to the plane wave region in the connecting pipes. It is based on linear acoustic theory and all elements, e.g., a complex muffler, are reduced to two-ports while terminations and sources are represented as one-ports.

The ELECTRO-SEIS® is a force generator specifically designed to be used alone or in arrays for studying dynamic response characteristics of structures such as automobiles, aircraft, bridges, floors, missiles, piping systems, spacecraft, towers, etc.

IRIS is a powerful and user friendly measurement system for capturing and analysing room impulse responses in 3D.

Download:  IRIS Demo Software & Auckland Hall Example Project

The APS 0109 Zero-Position-Controller automatically controls the zero position of a vibration exciter irrespective of the payload. It is essential to employ a position controller of type APS 0109 especially when working with a vibration exciter without any integrated load compensation.

Navcon Engineering was contracted to conduct the modal survey of the High Energy Solar Spectroscopic Imager (HESSI) spacecraft. The primary objective was to identify the damped natural frequencies, damping factors and mode shapes in the frequency band between 70 Hz. and 170 Hz.

The 2 day SoundPLAN Software Training  is intended for those engineers and technicians with little or no experience with SoundPLAN software and for users who have not had any formal SoundPLAN training.  Attendees will develop several  noise models and predict the noise from an industrial plant, local roads, a rail system, a race track, a constru