TR-BDF2 Timestepper#379

Draft

Thomas Bendall (tommbendall) wants to merge 12 commits intoMetOffice:mainfrom

tommbendall:TBendall/tr_bdf2

Commits on Dec 17, 2025

fix plotting scripts
Thomas Bendall (tommbendall)
committed

Commits on Dec 18, 2025

add myself to contributors
Thomas Bendall (tommbendall)
committed

Commits on Jan 4, 2026

first attempted implementation of TR-BDF2
Thomas Bendall (tommbendall)
committed

Commits on Jan 5, 2026

trbdf2 compiles and runs, but is unstable
Thomas Bendall (tommbendall)
committed

Commits on Jan 13, 2026

Commits on Jan 20, 2026

various tr-bdf2 fixes. Runs a gravity wave but has problems with more
Thomas Bendall (tommbendall)
committed

Commits on Jan 25, 2026

Commits on Jan 26, 2026

set tests to use tr-bdf2
Thomas Bendall (tommbendall)
committed

Commits on Jan 28, 2026

allow different inner iterations on different outer iterations
Thomas Bendall (tommbendall)
committed

Commits on Feb 5, 2026

TR-BDF2 for physics
Thomas Bendall (tommbendall)
committed