Forum for Science, Industry and Business

Sponsored by:     3M 
Search our Site:

 

Simulation of mechanical systems

02.09.2005


Assistant lecturer at the Public University of Navarra, José Javier Gil Soto, is the author of the thesis “Preprocesser for dynamic simulation of multibody systems based on symbolic algebra”. The work undertakes the conceptual development and subsequent implementation of a symbolic system that enables the putting forward and resolution, in a simple manner, of the most common problems in classical mechanics.



Simulation techniques

The study undertaken by José Javier Gil Soto centred on the simulation of mechanical systems. The thesis begins with a review of the literature on the subject and then there is a description of the implementation of a symbolic language, based on the MatLab-Maple symbolic engine, specific to DSM. MatLab is a matricial and symbolic calculus programme. We chose this because, from the users’ point of view, it had a number of advantages compared to other programming languages. The developed tool enables the user to put forward dynamic equations for a mechanical system in a symbolic manner and subsequently resolve them numerically.


The developed symbolic system enables the definition of the Multisolid system on three levels of abstraction that are different to and compatible with each other. Moreover, it has libraries for exporting to other languages and numerical templates aimed at the resolution of typical DSM problems.

The advantage provided by this algebraic system is, given its symbolic character, it is independent of the type of co-ordinates used. Thus, the set of dynamic equations obtained is more compact and suitable for the simulation of, for example, dynamic systems in real time.

The design of a fork-lift truck

Although the aim of the thesis was the development of dynamic models for rigid solid systems, the philosophy of its implementation means that the proposed thesis can be easily extended to combined rigid-flexible systems.

The implemented system can also be applied in the real time simulation of dynamic systems. In this regard, the research team at the Public University of Navarra is currently working with 3D_Mec-MatLab to develop a dynamic model for a fork-lift truck that interacts with a virtual reality system. In this case, the dynamic model has to be put forward in such a way that the dynamic equations can be resolved at the same time as the user of the virtual reality programme carries out certain operations (activating steering wheel and so on).

Garazi Andonegi | alfa
Further information:
http://www.basqueresearch.com

More articles from Studies and Analyses:

nachricht Drone vs. truck deliveries: Which create less carbon pollution?
31.05.2017 | University of Washington

nachricht New study: How does Europe become a leading player for software and IT services?
03.04.2017 | Fraunhofer-Institut für System- und Innovationsforschung (ISI)

All articles from Studies and Analyses >>>

The most recent press releases about innovation >>>

Die letzten 5 Focus-News des innovations-reports im Überblick:

Im Focus: Can we see monkeys from space? Emerging technologies to map biodiversity

An international team of scientists has proposed a new multi-disciplinary approach in which an array of new technologies will allow us to map biodiversity and the risks that wildlife is facing at the scale of whole landscapes. The findings are published in Nature Ecology and Evolution. This international research is led by the Kunming Institute of Zoology from China, University of East Anglia, University of Leicester and the Leibniz Institute for Zoo and Wildlife Research.

Using a combination of satellite and ground data, the team proposes that it is now possible to map biodiversity with an accuracy that has not been previously...

Im Focus: Climate satellite: Tracking methane with robust laser technology

Heatwaves in the Arctic, longer periods of vegetation in Europe, severe floods in West Africa – starting in 2021, scientists want to explore the emissions of the greenhouse gas methane with the German-French satellite MERLIN. This is made possible by a new robust laser system of the Fraunhofer Institute for Laser Technology ILT in Aachen, which achieves unprecedented measurement accuracy.

Methane is primarily the result of the decomposition of organic matter. The gas has a 25 times greater warming potential than carbon dioxide, but is not as...

Im Focus: How protons move through a fuel cell

Hydrogen is regarded as the energy source of the future: It is produced with solar power and can be used to generate heat and electricity in fuel cells. Empa researchers have now succeeded in decoding the movement of hydrogen ions in crystals – a key step towards more efficient energy conversion in the hydrogen industry of tomorrow.

As charge carriers, electrons and ions play the leading role in electrochemical energy storage devices and converters such as batteries and fuel cells. Proton...

Im Focus: A unique data centre for cosmological simulations

Scientists from the Excellence Cluster Universe at the Ludwig-Maximilians-Universität Munich have establised "Cosmowebportal", a unique data centre for cosmological simulations located at the Leibniz Supercomputing Centre (LRZ) of the Bavarian Academy of Sciences. The complete results of a series of large hydrodynamical cosmological simulations are available, with data volumes typically exceeding several hundred terabytes. Scientists worldwide can interactively explore these complex simulations via a web interface and directly access the results.

With current telescopes, scientists can observe our Universe’s galaxies and galaxy clusters and their distribution along an invisible cosmic web. From the...

Im Focus: Scientists develop molecular thermometer for contactless measurement using infrared light

Temperature measurements possible even on the smallest scale / Molecular ruby for use in material sciences, biology, and medicine

Chemists at Johannes Gutenberg University Mainz (JGU) in cooperation with researchers of the German Federal Institute for Materials Research and Testing (BAM)...

All Focus news of the innovation-report >>>

Anzeige

Anzeige

Event News

Plants are networkers

19.06.2017 | Event News

Digital Survival Training for Executives

13.06.2017 | Event News

Global Learning Council Summit 2017

13.06.2017 | Event News

 
Latest News

New 3-D model predicts best planting practices for farmers

26.06.2017 | Agricultural and Forestry Science

New research reveals impact of seismic surveys on zooplankton

26.06.2017 | Life Sciences

Correct connections are crucial

26.06.2017 | Health and Medicine

VideoLinks
B2B-VideoLinks
More VideoLinks >>>