General analysis techniques
Mechanical vibrations
Article REF: B5150 V1
General analysis techniques
Mechanical vibrations

Author : Alain GIRARD

Publication date: April 10, 1997, Review date: November 12, 2024 | Lire en français

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1. General analysis techniques

1.1 Problems and solutions

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1.1.1 Structure and boundary conditions

Consider a structure subjected to a given dynamic environment. Forces of various kinds (volumetric, surface, point) are applied to it, causing motion that can be described by displacements, velocities or accelerations at all points. The notion of support, or boundary condition, is often reserved for parts of the structure where motion is blocked (zero corresponding imposed displacements). It can be generalized to any imposed motion. Thus, any structure...

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