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Title: A Python project for Lagragian Mechanics
Authors: Slaets, Peter
Goethals, Pauwel
Haeseldonckx, Dries
Swolfs, Sietze
Vanierschot, Maarten
Issue Date: 17-Nov-2013
Conference: The 3rd International Symposium on Engineering, Energy and Environment edition:3 location:Bangkok date:17-20 November 2013
Abstract: Climate change mitigation imposes a world-wide technological challenge for both government and industry. The European commission translated this challenge into an Energy Eciency Directive that establishes a common framework of measures to ensure 20% power reduction in 2020. The industrial sector is responsible for around 24 % of the total energy consumption. Within the industrial sector the manufacturing industry accounts for a large fraction of this energy consumption. Technological advances
like advanced control or mechanical redesign can signicantly improve the energy effciency of many manufacturing processes. This paper presents a platform independent, open source software application that enables end-users to specify a dynamic model and analyse its response. The system dynamics are specied using Lagrangian mechanics. The elegance of Lagrangian mechanics resides in the straightforward design procedure based on the Lagrangian. However, conversion of the Lagrangian to a dynamic model is computational intensive and often impossible to perform manually. These computations
are performed by the symbolic library 'Sympy' written in Python, a popular platform independent general-purpose, high-level programming language. Simulation results of
common mechanical systems are shown that illustrate the user-friendly design interface and the straightforward design procedure.
Publication status: accepted
KU Leuven publication type: IC
Appears in Collections:Mechanical Engineering Technology TC, Campus Group T Leuven
Technologiecluster Werktuigkundige Industriële Ingenieurstechnieken

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