open TELEMAC-MASCARET The mathematically superior suite of solvers

Hi,

I am attempting to setup a TELEMAC-3D model that is forced with HYCOM water levels, velocities, temperature and salinity tracers at the boundary using the Binary Boundary File. TPXO water levels and currents will be summed with the HYCOM boundaries to include astronomical tides.

To avoid excessive spin up times I also intend to initialize the tracers values based on interpolated HYCOM data. There does not seem to be any easy way to do this and from what I understand would involve customs modifications to the CONDIM subroutine to apply these values.

Alternatively I could use a continued computation and construct the SLF file with the values of velocity, water level and tracer concentration already imposed for a single timestep. However this would also require defining the initial levels of the layers in the model. I am assuming that these would have to be compatible with the mesh transformation adopted otherwise potentially causing a crash, or a jump in the vertical layers after the first step.

Just wondering if anybody has managed to do this before and am looking recommendations and suggestions in regards to the most effective approach. Ideally I could just provide the HYCOM SLF file generated as output from the extract_hycom.py script and have the model perform the required interpolation.

Thanks,

Have mostly resolved the above query through the use of an COMPUTATION CONTINUED FILE which is initialized with the tracer concentrations. This does however running the model for a single timestep to initialize the vertical grid structure to use as a template for constructing the ini SLF file.

Perhaps a more elegant solution would be to provide a 3D SLF file with arbitrary layer heights and have the model automatically interpolate the results during the call to CONDIM similarly to that of the BINARY BOUNDARY DATA FILE - something to look into at a later date.

Hello,
I'm a beginner with TELEMAC-3D. I was wondering if you could share how you convert HYCOM files to the slf format. I know that converter.py can do the job, but it seems like the script is no longer maintained and is not usable. Thank you for your help!