The problem of predicting the in-service behavior of non-rigid product is addressed, i.e. the simulation of product functionalities under operating conditions within a digital mock-up. Think, for example, to the design of a car soft-top: while today, with the aid of common computer-based tools, it is rather simple to design and simulate the kinematic mechanism of opening/closure, it is not so easy to understand how it is influenced by the covering material. To this end a commercial system was used for mechanism analysis and a tool, named SoftWorld, which permits to model and simulate the behavior of non-rigid parts (sunroof fabric) taking into account material properties. SoftWorld adopts a particle based model by which an object can be represented by a set of particles connected by forces describing the objects mechanical behavior. Using the integrated environment the opening/closure mechanism of a convertible car soft-top integrated with covering materials behavior was studied and simulated.
Simulation of non-rigid products: an industrial application related to car soft top design
Simulation von nicht starren Produkten: rechnerunterstütztes Konstruieren von Schiebedächern in der Autoindustrie
2001
5 Seiten, 7 Bilder, 15 Quellen
Conference paper
English
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