a Finite Element Analysis using flexPDE Craig E. Nelson - Consultant Engineer

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Basic River Current Flow Study of Laguna de Barra de Navidad During Slack Tide in the Wet Season when The Rio Marabasco is Moderately Flowing from One of Several Alternative River Mouth Outlets. a Finite Element Analysis using flexPDE Craig E. Nelson - Consultant Engineer.
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Basic River Current Flow Study of Laguna de Barra de NavidadDuring Slack Tidein the Wet SeasonwhenThe Rio Marabasco is Moderately FlowingfromOne of Several Alternative River Mouth Outletsa Finite Element Analysis using flexPDECraig E. Nelson - Consultant EngineerThe General RegionVector Plot of River Current Velocity During Slack TideVector Plot of Volumetric River Current Flux During Slack TideMagnitude of River Current Velocity During Slack TideLog Base 10 Plot of River Current Velocity Magnitude During Slack TideVolumetric River Current Flux Magnitude During Slack TideLogarithm Plot of Volumetric Current Flux Magnitude During Ebb TideRiver Current Amplitude Plots Along a Central Path Within the LagoonVolumetric River Current Flux Amplitude Plots Along a Central Path Within the Lagoon during Slack TideSummaryA simple yet useful numerical model has been made for the purpose of understanding theriver current flow within the Laguna de Barra de Navidad estuary outflow system duringthe wet season when the Rio Marabasco is moderately flowing.The model shows general current flow characteristics during slack tide when the movementof water is from the river mouth at the east end of the lagoon to the sea and there is no currentform the tide. Flow from one of several alternative river mouths is demonstrated.With further work, many kinds of additional information can be obtained. This includes,but is not limited to, information about where pollutants will travel and where silt deposits may form.Infrequent large tidal and river current events may be responsible for dramatic changes insedimentation within Laguna de Barra de Navidad.Analysis showing how strong tides and river flow currents may combine to producelarge and unusual silt and heavy metal deposits may be useful to ecologists and regional planners.
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