A benchmark structure for validation of experimental substructuring, transfer path analysis and source characterisation techniques

Conference paper (2017)

Authors

M.V. van der Seijs VIBES.technology, Dynamics of Micro and Nano Systems - Mechanical, Maritime and Materials Engineering
E. A. Pasma VIBES.technology
D. D. van den Bosch VIBES.technology
Mathieu Wernsen Student
Research Group
Dynamics of Micro and Nano Systems (Mechanical, Maritime and Materials Engineering) (TU Delft)
Dynamic substructuring In-situ Transfer path analysis Blocked force Virtual point transformation
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Published Date

2017

Language

English

Reuse Rights

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Faculty

Mechanical, Maritime and Materials Engineering

Department

Precision and Microsystems Engineering

Research Group

Dynamics of Micro and Nano Systems

Abstract

This paper presents a practical study on popular Experimental Dynamic Substructuring topics. A series of substructures is designed of such complexity to fit in right between “real life” structures as often found in industrial applications and “academic” structures which are typically the simplest models to identify a particular phenomenon. The designed benchmark structure comprises an active side with a vibration source, a passive side and a test rig for source characterisation. The connectivity is scalable in complexity, meaning that a single-point, two-point and continuous interface can be established. Substructuring-compatible component models are obtained from impact measurements using the Virtual Point Transformation. The vibration source on the active structure is characterised on the test rig using the in-situ TPA concept. Hereafter the component TPA method is applied to simulate the response on the passive side of the coupled structure, in turn obtained using dynamic substructuring.