This paper presents a structured virtual design tool based on the finite element method, including modern constitutive laws and incompressibility constraints. This virtual tool includes integral strategies that enable it to become useful without undue delay, to simulate the steps in installing rubber and to predict the final closing forces more realistically and even estimate sealing overpressure as an additional guarantee of noise insulation or reduction. This study reveals the relationship between the hypothesis concerning the initial configuration of the rubber and the estimated final value for the closing door. This factor has usually been neglected, but becomes relevant following this study in correctly assessing customers' requirements. It can be considered as a way to improve the design method of sealing sections and a convenient step for its optimisation. This type of tool is crucial for companies today, as it enables them to reduce design costs, as well as to be competitive by launching production processes that are oriented to prototype cycle reduction. It is even possible to use the tool in two different ways during bidding time - first, for more accuracy in estimating material costs per metre of rubber and, second, for a higher degree of definition in designs that are offered to the customer, enabling a more robust solution to be produced. In addition, if any discussion or modification is required, the impact on materials or functional parameters can be quickly analysed. Finally, this type of tool enhances the added-value chain with the car manufacturer in such a way that the links between the car manufacturer and the rubber provider become stronger.
A simulation method to estimate closing forces in car-sealing rubber elements
International Journal of Vehicle Design ; 59 , 4 ; 249-271
2012
23 Seiten, 18 Bilder, 1 Tabelle, 26 Quellen
Aufsatz (Zeitschrift)
Englisch
A simulation method to estimate closing forces in car–sealing rubber elements
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