Integrated computer-aided modal analysis and testing techniques are used to achieve acceptable dynamic verification of analytical vehicle structure models. The analytical structure model is refined in the process of dynamic validation to establish a qualified model for future use in predicting how the structure will respond to a different dynamic environment. The limitations of the analytical and experimental models are also identified during the dynamic validation process. Two test cases are considered to develop dynamically validated models through integrated computer-aided modal analysis and testing: a snowmobile chassis structure and a four wheel drive off-road vehicle body-chassis structure. Analytical modal analysis of the vehicle structure is carried out using finite element techniques. The frequency response function method of experimental modal analysis is used to estimate the modal behaviour and parameters of the test structures.
Integrated computer-aided analysis and testing of off-road vehicle structures
Integrierte rechnergestuetzte Analyse und Erprobung von Gelaendefahrzeugstrukturen
Computers in Engng. 1986, Proc. of the Int. ASME Conf. and Exhibition ; 1 , Jul ; 319-325
1986
7 Seiten, 18 Bilder, 2 Tabellen, 9 Quellen
Conference paper
English
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