✦ LIBER ✦

PFVIBAT—a computer program for plane frame vibration analysis by an exact method

✍ Scribed by Bengt Å. Åkesson

Publisher: John Wiley and Sons
Year: 1976
Tongue: English
Weight: 625 KB
Volume: 10
Category: Article
ISSN: 0029-5981
DOI: 10.1002/nme.1620100603

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✦ Synopsis

Abstract

The described program PFVIBAT uses the exact displacement method to perform free and forced vibration analysis entirely within the differential equation theory of beams thus avoiding assumed modes and lumped masses. The frame may contain rigid bodies. Clamped, hinged, guided and rolling connections are allowed for. Consideration of rotatory inertia, shear deformation and second‐order bending moments and shear forces as caused by static axial load is optional. Eigenfrequencies and modal masses are calculated with an accuracy that may be specified. Displacement and moment modes are plotted. Transient vibrations are studied.

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