955 resultados para Finite Element Methods


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Federal Highway Administration, Office of Safety and Traffic Operations Research Development, McLean, Va.

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Transportation Department, Washington, D.C.

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Federal Highway Administration, Office of Safety and Traffic Operations Research Development, McLean, Va.

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National Highway Traffic Safety Administration, Washington, D.C.

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National Highway Traffic Safety Administration, Washington, D.C.

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National Highway Traffic Safety Administration, Washington, D.C.

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National Highway Traffic Safety Administration, Washington, D.C.

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"Contract no. Nonr 2653(00)."

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The marsh porosity method, a type of thin slot wetting and drying algorithm in a two-dimensional finite element long wave hydrodynamic model, is discussed and analyzed to assess model performance. Tests, including comparisons to simple examples and theoretical calculations, examine the effects of varying the marsh porosity parameters. The findings demonstrate that the wetting and drying concept of marsh porosity, often used in finite element hydrodynamic modeling, can behave in a more complex manner than initially expected.