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.... News .... News ..... News .... News .... News ..... News .... News Aerodynamics in Automotive + SIMPACK Automotive + is now available with elements which can model aerodynamic for ces. Air resistance is defined as three forces (longitudinal, lateral, vertical) and three torques (roll, pitch, yaw) which act on a vehicle chassis. The air resistance Force Elements apply the resistance forces and torques as functions of air resistance coefficients. These coefficients are defined by the Input Function against the side-slip angle. Additionally a simple longitudinal force, air resistance model with a constant air resistance coefficient is offered. The complete set of elements needed to take into account air resistance are found within a SIM- PACK Substructure. This substructure applies air resistance forces and torques on the vehicle chassis and provides the graphical representation in terms of scaled arrows with user defined scale factors. The forces are split between the front and rear axles so that they replace the effects of air resistance torques. The aerodynamic forces have been integrated in collaboration with BMW Technik GmbH. SIMPACK Engine INTEC is working on the development of a new SIMPACK Plug-In for the simulation of engines and engine components. The Plug-In will have the following features: multi-cylinder engine models, a fex ible lump valve spring model, taking into account the contact of windings, a cam contact model, a chain and belt model, different engine bearing models and pa ra me ter ised drive train models. New BEAM in Development The successor of the SIMPACK preprocessor BEAM will be avail a ble in spring 2001. Major enhancements will be a new graphical user interface, integrated in SIMPACK and of special note the extension to three dimensional frameworks. This lifts BEAM to the level of a simple, beam element based FEA tool. Presently BEAM creates a SID-file for the des cription of the fexible body in SIMPACK, which includes geo metrical non-linearity and load stiffening effects. Possible ap- plication examples include space frames, stabiliser bars (modelled as one body in SIMPACK) and as mo delled previously shafts and rotor blades. ProSIM on ProUser2000 The well-known SIMPACK Pro/Engineer interface ProSIM was presented at this year’s Pro/Engi neer Users Conference in Florida. ProSIM provides the full SIMPACK modelling power under the user interface of Pro/Engineer (including flexible bo dies) and is able to export complete models to SIMPACK, affi rming SIMPACK as a high-end simulation tool. With SIMPACK as the “missing link”, the export of CAD data to CACE systems such as MATRIXx SystemBuilt and MATLAB/Simu link is possible, guaranteeing a continuous and integrated design process. A similar interface is also available for Catia and I-deas. Co-operation with Politecnico Since the beginning of July 2000, INTEC has been collaborating, in the field of railway system dynamics, with the Italian Uni versity Politecnico di Torino, Faculta di Ingeneria from Prof. Antonio Gugliotta. The first joint project will be the international research project Mechatronic Train. Workshop: SIMPACK Real -time To increase SIMPACK’s functionality in the real-time simulation domain, major enhancements of the SIMPACK Symbolic Code are to be brought about. A workshop on this field will be arranged to learn more about customers’ wishes and demands. Please contact INTEC for details. Matlab/Simulink Page 14 Ne News 1/2
ws 1/99 Page 15 000 .... News .... News ..... News .... News .... News ..... News .... News .. New University and Research Licences Deutsches Zentrum für Luft- und Raumfahrt, Institut für Bauweisen- und Konstruktionsforschung, Stuttgart (Germany) Escuela Técnica Superior de Ingenieros Industriales, Madrid (Spain) Fachhochschule Braunschweig/Wolfenbüttel, Fachbereich Maschinenbau (Germany) Fraunhofer-Institut für Produktionsanlagen und Konstruktionstechnik, Berlin (Germany) Freie Universität Berlin, Universitätsklinikum Benjamin Franklin (Germany) Johannes Kepler Universität Linz, Institut für Mechatronik (Austria) Northern Jiaotong University, Beijing (China) TU Braunschweig in Zusammenarbeit mit der DLR, Braunschweig (Germany) Università degli Studi di Perugia (Italy) University of Siegen, Siegen (Germany) New Commercial Licences ADtranz Schweiz, Winterthur (Switzerland) Advantech Hungary LTD, Budapest (Hungary) ALSTOM LHB GmbH, Salzgitter (Germany) BMW AG, Sparte Motorrad, München (Germany) Breda Costruzioni Ferroviarie S.p.A., Pistoia (Italy) Consultens Informationstechnik GmbH, München (Germany) DAF Trucks N.V., Eindhoven (Netherlands) Japan Railway East Co., Tokyo (Japan) Eurocopter Deutschland GmbH, Donauwörth und Ottobrunn (Germany) Fairchild Dornier GmbH, Oberpfaffenhofen (Germany) Logomotive GmbH, Nürnberg (Germany) NABI Rt., Budapest (Hungary) National Aero-Space Lab. Netherlands (NLR), Amsterdam (Netherlands) Robert Bosch GmbH, Stuttgart (Germany) Siemens Krauss-Maffei Lokomotiven GmbH, München (Germany) SIMPACK at Conferences and Exhibitions 20. - 22.02.2001 23.02.2001 08. - 09.03.2001 22. - 28.03.2001 06. - 07.06.2001 19. - 22.06.2001 28. - 29.06.2001 4. Symposium Kraftfahrwesen und Verbrennungsmotoren, Stuttgart VDI Kurs Fahrzeugdynamik, Stuttgart Fahrwerk-Tech 2001, München Cebit, Hannover Automobile and Railway Vehicle Dynamics, Lyon CAT Engineering, Stuttgart VDI Tagung Nutzfahrzeuge, Neu-Ulm Market Review Market Review Seven new Customers Using SIMPACK Wheel/Rail Another five companies have started to use SIMPACK Wheel/Rail or even changed from other commercial products to SIMPACK, helping to extend its market leadership in the railway domain and increasing the number of industrial installations to over sixty. SIMPACK has become more and more the Standard for Europe’s Truck Manufacturers With the decision of DAF, together with MAN and DaimlerChrysler, the third traditional European Truck Manufacturer is now using SIMPACK Automotive + , along with the truck suppliers Bosch, Trelleborg and Wabco. SIMPACK on Air After benchmarking thoroughly the other available MBS software Eurocopter’s company wide virtual prototyping solution is SIMPACK - a trend-setting decision from a company whose products are probably the most demanding of all in terms of system dynamics.
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