F A Roberts & Associates - Engineering Consultants Winnipeg
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Signal Structure Natural Frequency Modeling

Vibrations, noise control and acoustics problems can often be simplified in order to come up with a first iteration of the design process.

In this project, an aluminum signal structure for the railroad industry needed to be designed so that natural frequencies would lie above a specified maximum value.  FEA modal analysis is a cost-effective way to investigate natural frequencies of parts and assemblies.  Shown below are figures showing the first 3 natural frequency modes, relating to lateral bending (mode 1), vertical bending (mode 2) as well as torsion (mode 3).

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F. A. Roberts & Associates is a firm of consulting engineers providing a broad base of services for clients across Canada and the United States. Our goal is to provide designs and related services of the highest quality with the utmost respect for the costs to our clients, both initially and long term.

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