Browse Publications Technical Papers 2001-01-3860
2001-03-05

Parametric Modeling for Semi-trailer Tank Vehicle 2001-01-3860

This paper treats the study case of semi-trailer structures by using Finite Element Method (FEM). It has the main proposal to stablish an automatic procedure for model preparation, that means: meshing generation, design loads and constraints applications, for a family of semi-trailer from 15000 to 35000 dm3 capacity, automatically built by the computer program GERTAP with a very few user interference. For this reason, the program does not demand any FEM expertise so that engineers can focus main construction problems without excessive concerning about model theoretical characteristics and model mistakes.
At present moment, we are able to develop static analysis, with use of equivalent accelerations, in order to compute weighting, braking and turning loads. Soon, in a very near future, we are going to apply dynamics analysis that will simulate the actual bad conditions of Brazilian roads, so that fatigue-cracking problems could be prevented in design stage.

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