Normal Modes


N4W101: Basic Linear Static and Normal Modes Analysis For MSC/NASTRAN for Windows

Simple Lumped Mass System (Exer. Procedure): Model a simple lumped mass system using beam elements and point elements. Apply the proper constraints to the model to ensure stability during analysis.

N4W102: MSC/NASTRAN for Windows Dynamic Analysis

Modal Analysis of a Flat Plate: Create a rectangular plate, define an analysis model comprised of plate elements and find the first five natural frequencies and node shapes.

Modal Analysis of a Flat Plate using Static Reduction: Reduce the degrees of freedom of the previous model and find the first five natural frequencies and node shapes.

Modal Frequency Response Analysis: Create a rectangular plate, define an analysis model comprised of plate elements, define frequency-varying excitation and compute nodal displacements for desired frequency response.

Modal Analysis of a Beam: Perform normal modes analysis of a cantilever beam, find the first three natural frequencies and mode shapes of the beam.

Normal Modes with Differential Stiffness: Analyze a stiffened beam for normal modes, produce an input file that represents the beam and load, find normal modes (natural frequencies).

Modal Analysis of a Beam (SI Units): Perform normal modes analysis of a cantilever beam, find the first three natural frequencies and mode shapes of the beam.

Normal Modes with Differential Stiffness (SI Units): Analyze a stiffened beam for normal modes, produce an input file that represents the beam and load, find normal modes (natural frequencies).


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