This case study is the first attempt to look at the bottle dispensing problem in a single multiphysics approach. The objective of the study is to report the flow rate variation during the dispensing process. The case study investigates the effects of blow molding conditions, the structural behavior of the bottle, and the presence of a liquid inside the bottle on the dispensing behavior. This requires a close look at the blow molding process to obtain the final material distribution of the bottle. Then a detailed examination of the structural behavior of the partially filled bottle, taking into account the variable material distribution, is considered. Finally, the effect of the liquid presence on the dispensed flow rate variation with time is considered while taking into account the liquid detailed flow properties. The proposed multiphysics approach consists of detailed blow molding simulation, FEA simulation for the bottle deformation during the dispensing, and detailed CFD analysis of the flow inside the bottle.
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