open TELEMAC-MASCARET The mathematically superior suite of solvers

Hello.

It works. Thank you very much for the hint of the HN at the first call wich is not H0 in this situation.

Thanks very much for your help.

Also, I appreciate the instructive way you gave me the solution (letting me try unsuccessfully with H0).

Alexis

Hello,

It is just that I checked afterwards that H0 was not allocated if Boussinesq equations were not asked.

Regards,

JMH

Hello,

Just to be sure to understand well the theory.

Considering only the propagation Step :

- by disactivating advection
- no friction
- no velocity diffusion

I still have two posibilities :

1. Linearization of propagation
   • by defaut on a mean depth for propagation = one single depth for the whole domain
   • or by considering depth = initial depth (not necessary one single depth considered)modifing HPROP in hprpoa.f as described in the previous posts)
2. default propagation including non linear effects

What and where are the non linear effects (terms) ?

Hello,

The linearisation consists in considering that the depth in the divergence term is not varying in time, so it may as well be a constant in space or vary in space. Normally it should vary in space, and linearisation will work for waves of small amplitude, such that assuming the depth constant in time in the divergence term will trigger no big mistake.

With best regards,

Jean-Michel Hervouet