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Durablity Analysis of a Vehicle Body Structure Using Modal Transient Methods

Vehicle body structures can have major implications in terms of amplifications of stress magnitudes due to vibrations and ultimately in developing fatigue cracks. A vehicle body structure subjected to major damaging road loads is studied utilizing the Finite Element Method.

The finite element model was correlated with modal testing in low frequency range. Transient response analysis is performed using (1) Modal Stress Method for structural global stress distribution and (2) Component Mode Synthesis Method for complete local stress time history. Fatigue life of the structure is then estimated. The practice demonstrates an approach for dynamic durability analysis of a large structure.
Source: SEM
Author: Liphg I-hang | Hali Agmwd | Victor Bomwski

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Static and Dynamic Analysis of a Commercial Vehicle with Van Body

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