بحث بعنوان Dynamics of Rotating Machines

بحث بعنوان Dynamics of Rotating Machines
اسم المؤلف
M.I. Friswell, J.E.T. Penny, S.D. Garvey and A.W. Lees
التاريخ
29 يوليو 2021
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بحث بعنوان
Dynamics of Rotating Machines
M.I. Friswell, J.E.T. Penny, S.D. Garvey and A.W. Lees
Cambridge University Press, 2010
Rotordynamics Software Manual

  1. Introduction
    This software is a set of scripts written in MATLAB to accompany the above book. The
    primary purpose of the software is to illustrate features of rotating machines described in the
    book, in particular the lateral motion based on shaft-line models. Of course the software can
    be used to analyze other machines and for research purposes, although there are no
    guarantees implied with the software and it is the user’s responsibility to confirm the
    suitability and accuracy of the results.
    The software is open source and access is available to all of the scripts, allowing the user to
    fully understand the methods used. The derivation of most of the elements and the
    descriptions of the analysis performed is given in the book. There are many comments
    throughout the scripts, and emphasis has been placed on clarity within the software rather
    than pure numerical efficiency. Even so, the software can be used to model machines with a
    relatively large number of degrees of freedom.
    Installation of the software is very straightforward. Merely create a new directory, copy the
    scripts to this directory, and add the location of this directory to the MATLAB path (-> File –

Set Path in recent versions of MATLAB). The examples can then be placed in a separate
directory that is set as the default MATLAB directory. We have tried to use standard
MATLAB commands, and so even relatively old versions of MATLAB should run the
software. No extra toolboxes are required.
The toolbox consists of a set of functions and scripts called from the command window.
Although a GUI placed around this basic toolbox might be desirable, we consider simple
access to the basic functionality is the priority. This also allows scripts for the examples in
the book to be included easily. These examples are a good basis for generating new models.

  1. Overview of Software
  2. System Definition
  3. Analysis Functions – Stationary Frame
    4.1. Calculate Characteristic Roots and Modes (Eigenvalues and Eigenvectors)
    4.2. Calculate Steady State Synchronous Response
  4. Plotting Functions
  5. Analysis of Coaxial Rotors in the Stationary Frame
  6. Analysis Functions – Rotating Frame
  7. Other Analysis Functions

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