Validation in simulation: various positions in the philosophy of science

Article Abstract:

Simulation modelers are still uncertain and concerned about methodologically acceptable guidelines or procedures for the validation of simulation models. In view of this ambiguous situation, the different philosophical positions are described and their shortcomings and evidentiary arguments for certain simulation models are explained. Such examination of the debate is aimed at presenting an orientation that liberates the modeler to employ various approaches to validation without having to be anxious about the methodologies they used. It does not recommend a specific technique or algorithm for validating models. Rather than encouraging modelers to abandon their responsibility, this viewpoint transforms the challenge of validation into an ethical problem that requires them to be accountable and defend the merits of the model.

Analysis, Beliefs, opinions and attitudes, Science, Philosophy of science, Computer simulation, Hermeneutics

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A tactical decision algorithm for the optional dispatching of oil spill cleanup equipment

Article Abstract:

A deterministic decision algorithm, based on a dynamic function comprised of solutions to several 0-l knapsack problems, is developed to outline alternatives for clean up and provide a near optimal solution to the tactical use of oil-spill clean-up equipment. A simulated application to the Argo Merchant oil spill provides an example of the algorithm's usefulness. The decision-making model allocates clean up resources according to damage costs, outflows of oil, availability (and cost) of clean up equipment, and expense related to transportation of such equipment and costs of on-site operation of same.

Models, Management, Marine pollution, Pollution control equipment, Oil spills, Oil pollution of the sea, Oil pollution

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