Path: SC/Attitude
% Extract flex modes from a finite element modal transformation matrix.
The transformation matrix Phi is organized as
[3-by-nNodes mode 1,3-by-nNodes mode 2,...]
Since version 1.
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Form:
[phiTrunc, omega] = GetModes( phi, omega, useModes, nNodes )
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Inputs
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phi (3,n*m) Nodal displacements per modal displacement
omega (m) Modal frequencies
useModes (1,:) Modes to use
nNodes (1,1) Number of nodes
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Outputs
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phiTrunc (3,n*:) Nodal displacements per modal displacement
omega (m) Modal frequencies
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