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Title Multibody Simulations with Reduced Order Flexible Bodies Obtained by FEA
  • P. Brumund, T. Dehaeze
    ESRF, Grenoble, France
  • T. Dehaeze
    PML, Liège, Belgium
Abstract Tighter specifications in synchrotron instrumentation development force the design engineers more and more often to choose a mechatronics design approach. This includes actively controlled systems that need to be properly designed. The new Nano Active Stabilization System (NASS) for the ESRF beamline ID31 was designed with such an approach. We chose a multi-body design modelling approach for the development of the NASS end-station. Significance of such models depend strongly on its input and consideration of the right stiffness of the system’s components and subsystems. For that matter, we considered sub-components in the multi-body model as reduced order flexible bodies representing the component’s modal behaviour with reduced mass and stiffness matrices obtained from finite element analysis (FEA) models. These matrices were created from FEA models via modal reduction techniques, more specifically the component mode synthesis (CMS). This makes this design approach a combined multibody-FEA technique. We validated the technique with a test bench that confirmed the good modelling capabilities using reduced order flexible body models obtained from FEA for an amplified piezoelectric actuator (APA).
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Conference MEDSI2020
Series Mechanical Engineering Design of Synchrotron Radiation Equipment and Instrumentation (11th)
Location Chicago, IL, USA
Date 24-29 July 2021
Publisher JACoW Publishing, Geneva, Switzerland
Editorial Board Yifei Jaski (ANL, Lemont, IL, USA); Patric Den Hartog (ANL, Lemont, IL, USA); Kelly Jaje (ANL, Lemont, IL, USA); Volker R.W. Schaa (GSI, Darmstadt, Germany)
Online ISBN 978-3-95450-229-5
Online ISSN 2673-5520
Received 16 July 2021
Accepted 27 September 2021
Issue Date 31 October 2021
DOI doi:10.18429/JACoW-MEDSI2020-WEPB08
Pages 286-288
Creative Commons CC logoPublished by JACoW Publishing under the terms of the Creative Commons Attribution 3.0 International license. Any further distribution of this work must maintain attribution to the author(s), the published article's title, publisher, and DOI.