Create Flexible Body Input File with Radioss

/EIG in Radioss Starter is used to define the part of the model to be included in the flexible body, the type and number of modes to be computed.

In Radioss Engine, use /FXINP to create a Flexible Body Input File.

If a set of reduction modes for the flexible body is available, for example from a former experimental analysis or from a vibratory analysis performed with another software, they can be input in /EIG. They will be used to reduce the dimension of the space in which eigenvalues and eigenvectors are searched by Radioss and will greatly decrease the time and memory requirements to create the Flexible Body Input File.