Steady Flow Solver:
• Use:
– Backwater solution
– To provide initial conditions for unsteady solver
• Direct Method:
– Solver also suggests where extra sections are required
– Tran-critical solution possible
– Iteration required if junctions in model
– Can’t cope with offline storage, negative flows or gate operation – May give false initial conditions for on-line storage
• Pseudo-time stepping method:
– Use if direct method fails due to ‘unsteady’-type features listed above