Riassunto
This volume contains the edited version of selected papers presented at the Nato Advanced Study Institute on "Computer Aided Analysis of Rigid and Flexible Mechanical Systems", held in Portugal, from the 27 June to 9 July, 1994. The present volume can be viewed as a natural extension of the material addressed in the Institute which was published by KLUWER in the NATO ASI Series, Vol. 268, in 1994. The requirements for accurate and efficient analysis tools for design of large and lightweight mechanical systems has driven a strong interest in the challenging problem of multibody dynamics. The development of new analysis and design formulations for multi body systems has been more recently motivated with the need to include general features such as: real-time simulation capabilities, active control of machine flexibilities and advanced numerical methods related to time integration of the dynamic systems equations. In addition to the presentation of some basic formulations and methodologies in dynamics of multibody systems, including computational aspects, major applications of developments to date are presented herein. The scope of applications is extended to vehicle dynamics, aerospace technology, robotics, mechanisms design, intermittent motion and crashworthiness analysis. Several of these applications are explored by many contributors with a constant objective to pace development and improve the dynamic performance of mechanical systems avoiding different mechanical limitations and difficult functional requirements, such as, for example, accurate positioning of manipulators.
Contenuti
Preface. Dynamics of Constrained Systems Based on Mass-Orthogonal Projections; M. Sofer, D. Bach, H. Brauchli. An Efficient Implementation of the Velocity Transformation Method for Real Time Dynamics with Illustrative Examples; J.M. Jimenez, A.N. Avello, J. Garcia de Jalón, A.L. Avello. Efficient Object Oriented Programming of Multibody Dynamics Formalisms; U. Rein. A Relational Data Base for General Mechanical Systems; C. Hardell, A. Stensson, P. Jeppsson. A Method for Linearization of the Dynamic Equations of Flexible Multibody Systems; Y. Li, C. Gontier. Efficient Modelling of General Multibody Dynamic Systems with Flexible Components; K.S. Anderson. Elimination of Constraint Equations from Flexible Mechanical Systems; D.M. Russel, K.D. Willmer. Eigenvalue Analysis in Flexible Multibody Dynamics Using the Non-Symmetric Lanczos Algorithm; D.B. Doan, M. Géradin, N. Kill. Optimal Design and Location of Manipulators; M. Ceccarelli. Identification of Minimum Set Parameters of Flexible Robots; P. Chedmail, F. Bennis, P. Depince. Safety and Survivability Analysis of Wall-Climbing Robot; B. Bahr, G. Li. Synthesis of Spatial Mechanisms Using Optimization and Continuation Methods; J.M. Hansen. Modelling of Automotive Vehicles for Motion Control Studies; A. Costa, R.P. Jones. Numerical Investigation of the Influence of the Shock Absorber on the Vertical Force Transmissibility of a McPherson Suspension; E. Pisino, J. Giacomin, P. Campanile. Impact Dynamics of Multibody Mechanical Systems and Application to Crash Responses of Aircraft Occupant/Structure; H.M. Lankarani, D. Ma, R. Menon. Data Fitting Methodology for Frontal Crash Victim Simulation; C. Goualou, E. Vittecoq, J.P. Faidy. Quasi-Static Modelling of the Multibody System Dynamics Taking into Accountthe Friction Forces; E.V. Zakhariev. Application of Multibody Dynamics to the Crashworthiness Optimization of Vehicle Structures; J. Dias, M.S. Pereira. Index.
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