Help in setting solver in Comsol 5.1

I am modeling a transient fully coupled 2D fluid structure interaction. I tried to redo a simulation done with some other software. It consists of the following settings:

Implicit time-stepping

GMRES preconditioner decoupled using band matrices

block-matrix preordering

quasi-linearization

Discretization: spectral finite difference

if somebody can teach me how to set this. I will pay for their time suitably.

This is an advanced case so serious people with adequate knowledge will be honoured

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