Model:REF-DIF

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REF-DIF

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Summary Contact Technical specs In/Output Process Testing Other Component info Also known as Model type Single Model part of larger framework Note on status model Date note status model Incorporated models or components: Spatial dimensions 1D Spatial extent Continental, Regional-Scale Model domain One-line model description Phase-resolving parabolic refraction-diffraction model for ocean surface wave propagation. Extended model description REF/DIF is a phase-resolving parabolic refraction-diffraction model for ocean surface wave propagation. It was originally developed by Jim Kirby and Tony Dalrymple starting in 1982, based on Kirby's dissertation work. This work led to the development of REF/DIF 1, a monochromatic wave model. Keywords: wave dynamics, Name James Kirby Type of contact Model developer Institute / Organization University of Delaware, Department of Civil EngineeringCenter for Applied Coastal Research Postal address 1 Postal address 2 Town / City Newark Postal code 19716 State Delaware Country United States Email address kirby@udel.edu Phone (302) 831-2438 Fax (302) 831-1228 Supported platforms Unix, Linux, Windows Other platform There is a special version of REF/DIF (v2.5) for dos Programming language Fortran77 Other program language Code optimized Single Processor Multiple processors implemented Nr of distributed processors Nr of shared processors Start year development 1982 Does model development still take place? Yes If above answer is no, provide end year model development Code development status When did you indicate the 'code development status'? Model availability As code Source code availability (Or provide future intension) Through web repository Source web address http://falk.ucsd.edu/modeling/ Source csdms web address Program license type Other Program license type other GNU General Public License, Version 2 Memory requirements -- Typical run time -- Describe input parameters The input includes file names for output, subgrid information, physical parameters and wave conditions. Water depth is obtained from the master program though a file name for water depth input is still kept in "indat.dat". Input format Binary Other input format Describe output parameters Model output: Complex amplitude, Wave Heights and angles Radiation stresses and forcing terms Wave induced mass flux Velocity moments for bottom stress calculation Output format Binary Other output format Pre-processing software needed? Yes Describe pre-processing software In cases where the standard required the use of a non-typical format (as in the use of the machine-independent binary HDF formats for large arrays), then the data transfer to and from LRSS is handled using a pre- and post-processing layer. Post-processing software needed? Yes Describe post-processing software In cases where the standard required the use of a non-typical format (as in the use of the machine-independent binary HDF formats for large arrays), then the data transfer to and from LRSS is handled using a pre- and post-processing layer. Visualization software needed? No If above answer is yes Other visualization software Describe processes represented by the model See manual version3 Describe key physical parameters and equations See manual version3 Describe length scale and resolution constraints Assumptions: The REF/DIF 1 model, in parabolic form, has a number of assumptions inherent in it and it is necessary to discuss these directly. These assumptions are: Mild bottom slope. Weak nonlinearity. The wave direction is confined to a sector ±70 ◦ to the principal assumed wave direction, due to the use of the minimax wide angle parabolic approximation of Kirby (1986b). Describe time scale and resolution constraints -- Describe any numerical limitations and issues -- Describe available calibration data sets Upload calibration data sets if available: Describe available test data sets Upload test data sets if available: Describe ideal data for testing Do you have current or future plans for collaborating with other researchers? -- Is there a manual available? Yes Upload manual if available: Media:REF-DIF users manual 1993.pdf, Media:Refdif1v30-2002.pdf Model website if any http://chinacat.coastal.udel.edu/programs/refdif/refdif.html Model forum / discussion board -- Comments Both codes are undergoing extensive revisions needed to incorporate them into the framework of the NearCoM Nearshore Community Model. This part will be filled out by CSDMS staff OpenMI compliant No not possible BMI compliant No not possible WMT component Not yet"Not yet" is not in the list (Yes, In progress, No but possible, No not possible) of allowed values for the "Code CMT compliant or not" property. PyMT component Is this a data component Can be coupled with:

Model info Authors James Kirby Source code Go to external source code site Model citations Nr. of publications: 18 Total citations: 1840 h-index: 14 m-quotient: 0.33 QR-code Link to this page Other models by author NearCoM REF-DIF

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