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International Journal for Multiscale Computational Engineering

Published 6 issues per year

ISSN Print: 1543-1649

ISSN Online: 1940-4352

The Impact Factor measures the average number of citations received in a particular year by papers published in the journal during the two preceding years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) IF: 1.4 To calculate the five year Impact Factor, citations are counted in 2017 to the previous five years and divided by the source items published in the previous five years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) 5-Year IF: 1.3 The Immediacy Index is the average number of times an article is cited in the year it is published. The journal Immediacy Index indicates how quickly articles in a journal are cited. Immediacy Index: 2.2 The Eigenfactor score, developed by Jevin West and Carl Bergstrom at the University of Washington, is a rating of the total importance of a scientific journal. Journals are rated according to the number of incoming citations, with citations from highly ranked journals weighted to make a larger contribution to the eigenfactor than those from poorly ranked journals. Eigenfactor: 0.00034 The Journal Citation Indicator (JCI) is a single measurement of the field-normalized citation impact of journals in the Web of Science Core Collection across disciplines. The key words here are that the metric is normalized and cross-disciplinary. JCI: 0.46 SJR: 0.333 SNIP: 0.606 CiteScore™:: 3.1 H-Index: 31

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Multibody Mass Matrix Sensitivity Analysis Using Spatial Operators

Volume 1, Issue 2&3, 2003, 16 pages
DOI: 10.1615/IntJMultCompEng.v1.i23.70
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ABSTRACT

This article discusses an approach for sensitivity analysis of multibody dynamics using spatial operators. The spatial operators are rooted in the function space approach to estimation theory developed in the decades following the introduction of the Kalman filter and used extensively to develop a range of results in multibody dynamics. The operators provide a mathematical framework for studying a wide range of analytical and computational problems associated with multibody system dynamics. This article focuses on the computation of the sensitivity of the system mass matrix for tree-topology multibody systems and develops an analytical expression for the same using spatial operators. As an application example, mass matrix sensitivity is used to derive analytical expressions based on composite body inertias for the Christoffel symbols associated with the equations of motion.

CITED BY
  1. Shao Bing, Yuan En-tao, An United Recursive Robot Dynamics Based on Screws, AASRI Procedia, 3, 2012. Crossref

  2. Mohan Ashish, Saha S. K., A recursive, numerically stable, and efficient simulation algorithm for serial robots with flexible links, Multibody System Dynamics, 21, 1, 2009. Crossref

  3. Jain Abhinandan, Graph theoretic foundations of multibody dynamics, Multibody System Dynamics, 26, 3, 2011. Crossref

  4. Nandihal Paramanand Vivekanand, Mohan Ashish, Saha Subir Kumar, Introduction, in Dynamics of Rigid-Flexible Robots and Multibody Systems, 100, 2022. Crossref

  5. Vlase Sorin, Marin Marin, Öchsner Andreas, Chircan Eliza, Matrix formalism used to describe the inertial properties in multibody dynamics, Continuum Mechanics and Thermodynamics, 34, 5, 2022. Crossref

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