Modelling error and constitutive relations in simulation of ow and transport
نویسندگان
چکیده
The main theme of this paper is the modelling error associated with the choice of constitutive equations and associated parameter sensitivity. These key concepts are rst discussed in a general way and explored in detail subsequently for three ow application problems which share certain similarities not only in the nite element formulation but also in the nature of the non-linear constitutive laws that are investigated. The speci c ow problems involve: density driven ow in porous media, the Powell– Eyring model for generalized Newtonian ows, and the related Glen’s ow type of constitutive relations for glacier modelling. Copyright ? 2004 John Wiley & Sons, Ltd.
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