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The assessment of the design parameters of a semi-trailer tank vehicle is crucial and it is related to the three motions, namely longitudinal (driving and braking), lateral (guidance and steering), and vertical (suspension and damping). Since semi-trailer tanks are mainly used for the transportation of dangerous goods, European Standards specify the minimum requirements for their construction and handling. In the present study, different semi – trailer tank designs with the same overall length are investigated using the finite element (FE) software ANSYS® v.18.0 and the calculation method provided in European Directives. The design parameters under consideration consist on the geometry of cross section and the section of the tank, the number of compartments and the payloads and the materials used. Different computational models of a semi trailer tank vehicle have been set up in order to investigate the influence of each of the above mentioned design parameters. Their boundary values as well as the suitable computation for structural integrity and handling are defined through the corresponding Standards and the restrictions posed by the manufacturing procedures of such a semi – trailer tank. The outcomes of this study provide, among others, a useful insight for tank manufacturers.

ALTERNATIVE DESIGN FOR A SEMI – TRAILER TANK VEHICLE