Harmful substances are used for a wide range of industrial purposes in modern societies. People might be exposed to these substances as a result deliberate or accidental releases into the atmosphere. It is important to be able to respond appropriately to such events, and this requires accurate models that can predict how a substance will be dispersed through the air. This is a multi-scale, multi-physics problem which requires careful modeling and a huge amount of computational power. Osnes will give an overview of the research conducted at FFI related to urban dispersal of toxic materials, and describe some of the challenges of modeling these problems.
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