The latest addition to the Virtual Sensor is the ability to be used on a FE model driven by vibration loads. In this case, the FE-based displacements from a frequency response function (FRF) analysis, either direct or modal, can be used to extract local Power Spectral Densities (PSD) at specific locations. The outputs PSDs can be in terms of displacement, velocity, or acceleration. These "virtual accelerometer" outputs are particularly useful for defining vibration tests of sub-components from the FE model. The FE results can be either direct or modal-based frequency response function (FRF).
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