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User's Guide for RetrasoCodeBright
FL4
FL5
FL6
FL7
FL8
FL9
FL10
FL11
FL12
FL13
FL14
FL15
FL16
FL17
FL18
FL19
FL20
time step (MPa)
FL25
FL26
FL27
FL28
FL29
jl prescribed liquid flow rate (kg/s)
FL30 increment of jl during time
step (kg/s)
Pl prescribed liquid pressure (MPa)
FL31 increment of Pl during
time step (MPa)
FL32
γl (see comments for negative value)
FL33
βl (kg/s/MPa)
3
FL34
ρl prescribed liquid density (kg/m )
je prescribed heat flow rate (J/s)
FL35 increment of je during time
step (kg/s)
T prescribed temperature (C)
FL36 increment of T during time
step (ºC)
FL37
γe (J/s/C)
λe : positive values: [je=je*exp(-abs(λe)t)] FL38
is used (units 1/s).
λe : negative values: [je=jet-abs(λe)]
void
FL39
δ: parameter for smoothing curve the FL40
seepage (outflow of water only) boundary
condition. For a positive value a parabolic
curve is used; for a negative value an
exponentially decaying curve is used. δ is
the distance from the reference pressure to
the point of change
FL40
index: auxiliary index.
index=+1.0 means that all flow rates are
nodal values
index=-1.0 means that all flow rates are per
unit volume (3-D), area(2-D) or length (1D) of medium (internal source or sink)
index=+2.0 means that all flow rates are
per unit area (3-D) or length (2-D) (lateral
fluxes).
index=+5.0 means atmospheric boundary
conditions (see below)
γg (kg/s/MPa)
βg (kg/s/MPa)
ρg prescribed gas density (kg/m3)
ωlh prescribed mass fraction of salt (kg/kg)
ωla prescribed mass fraction of air (kg/kg)
A surface where seepage (only outflow for liquid phase is permitted) is possible has a
boundary condition of prescribed liquid pressure. However, only liquid outflow is
permitted. To recognize this fact, γl must be negative. This negative sign only indicates
that nodes with this kind of boundary condition allow seepage.
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