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Line 1: = Introduction = The FMA Challenge models are example TUFLOW models submitted by BMT WBM for the Floodplain Management Association 2-Dimensional Model Challenges, 2012. <br> This Wiki page assumes an intermediate to advanced user level. If you haven't already completed FMA Challenge 1, please see ~~this~~the <u>[[FMA Challenge 1 (1D-2D linked)\|FMA Challenge 1]]</u> page. ~~In this~~This challenge, model investigates a tidally influenced floodplain and riverine system ~~will be explored~~ along the Californian Coast. More information is available in the document '''"FMA Challenge 2 Documention.TUFLOW.docx"''' that is provided withing the ZIP file download. AAll ~~series~~three ofchallenge ~~fully~~models ~~functional~~are ~~example~~presented ~~models~~as ~~have~~a ~~been~~fully ~~developed~~functional examples, allowing you to review the model setup, run the model and review results ~~developing your understanding of:~~.<br> This model specifically shows: Tidal influences on floodplains and riverine systems; Variation in results due to 2D cell resolution and whether or not the model should contain a 1D component; Line 12 ⟶ 13: The differences between two different 2D solvers, TUFLOW classic and TUFLOW GPU.<br> ~~Notably, a~~A key investigation of this FMA Challange is the performance of the differing 2D solution methods (CPU and GPU) in representing measured flood levels during a historical event. Data for this model is provided ~~via~~in ~~ZIP~~a ~~compressed~~variety ~~file~~of ~~available~~different ~~[http://www.tuflow.com/Tuflow%20Tutorial%20Models.aspx~~GIS compatible onformats. Download the ~~TUFLOW~~dataset ~~Downloads~~that ~~Page]~~matches ~~under~~the ~~'Current~~GIS ~~Demo~~software ~~Models'.~~you are using: [https://www.tuflow.com/Download/TUFLOW/Demo_Models/FMA_Challenge_Model_2_QGIS.zip QGIS Data Download] ~~This demo model is also provided [[Hardware_Benchmarking \| here]] to allow you to benchmark the performance of your computer hardware.~~ [https://www.tuflow.com/Download/TUFLOW/Demo_Models/FMA_Challenge_Model_2_MapInfo.zip MapInfo Data Download] [https://www.tuflow.com/Download/TUFLOW/Demo_Models/FMA_Challenge_Model_2_ArcGIS.zip ArcGIS Data Download] =Relevant Tutorials= It may be useful to revisit some of the following tutorials:<br> General 2D modelling - <u>[[~~Tutorial Module01~~Tutorial_M01\|Tutorial Module 1]] </u> 2D topography modification - <u>[[~~Tutorial Module03~~Tutorial_M02\|Tutorial Module 32]]</u><br><br> =Model Setup= This section provides an overview and discussion of the model domain setup. It is at your discretion which GIS package, text editor and method of model simulation to use (batch mode or within the text editor). All files required to setup and run the models are available within the download package. You have the choice of running with shape file or mif for usage in ArcGIS/QGIS or Mapinfo respectively.<br> <br> This model does not require a licence dongle to run. ==Grid Setup and Cell Size==