Prediction of acoustic foam properties by numerical simulation of polyurethane foaming process

Abstract

Abstract. This work aims to model and to simulate the polyurethane foaming process. Models taking into account the two main chemical reactions of the formation of polyurethane, the exothermic effect of these reactions as well as the thermo-rheo-kinetic coupling characterizing this process are proposed and implemented in the software NOGRIDpoints based on a meshless method (Finite Pointset Method). A prediction of some acoustic foam characteristics is also proposed based on the results of the numerical simulation of the foaming process and semi-phenomenological models.

Kinetic Prediction of Fast Curing Polyurethane Resins by Model-Free Isoconversional Methods

“…Within these categories, it is to be distinguished whether the simulations are used to illustrate the manufacturing process of a product made of a compact or foamed PUR material. For example, [5][6][7][8][9][10][11] shows approaches for the numerical simulation of the RIM manufacturing process for polyurethane foams. In addition, some authors such as Riviere et al [12] take up special methods of plastics processing such as the rotational moulding process for reactive moulding resins.…”