1. Using Extrapolation



Extrapolation is a highly useful tool which allows various useful outputs to obtained from a simple model without modelling excessively large 3D models. The pressure history of each point on the extrapolation plane is stored and is treated like a point source. The contributions of each source is then summed around the extrapolation plane. This process allows data to be obtained from beyond the confines of what has been modelled. 

A variety of plots can be obtained as outputs from the Extrapolation toolkit: Line plots, Radial plots, Field plots, Spherical plots, Volume plots, TVR Calculations and Free Field Boundaries. A location response is also available.

The Save Inputs button at the bottom left corner of the tool can be used to capture all of the current tool settings. This is very useful when you intend to run the same analysis more than once. Settings are saved in an Extrapolation Input File with the JSON format, and can be reloaded using the Load button next to Input File in the Model Import section of the extrapolation tool.

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