Opened 2 years ago
#2753 new Defect
"ztime" value shifted by one time step in diaharm.F90
| Reported by: | nicolas_gonzalez | Owned by: | systeam |
|---|---|---|---|
| Priority: | low | Milestone: | |
| Component: | DIA | Version: | v4.0.* |
| Severity: | minor | Keywords: | diaharm |
| Cc: | jchanut@… |
Description
Context
The tidal phase estimated by diaharm routine is shifted by one time step.
Analysis
The time variable "ztime" at L.183 in the dia_harm subroutine is not consistent with the surface elevation and velocity variables used. It is defined as "ztime = (kt-nit000+1) * rdt" corresponding to "after" time step, however, it is used with the "now" time step sea surface elevation and velocity variables (L.194-196).
Recommendation
Replace the L.183 of diaharm.F90 by the following:
ztime = (kt-nit000) * rdt
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