Appendix 4. In-Form operands

The operands are introduced in alpabetical order.

• A B C D E F G H I J K L M
• N O P Q R S T U V W X Y Z

Clicking in the variable name will evoke the the relevant Encyclopaedia entry,

It should be noted that the name used by In-Form is not always the same as the name of the variable known to EARTH, and used in Ground coding. See, for example, DXG.

• AEAST is the east area of a cell.

• ANORTH is the north area of a cell.

• AHIGH is the high area of a cell.

• AZDZ is the variation of DZ with z distance.

• AZXU is the variation of XULAST with z distance.

• AZYV is the variation of YVLAST with z distance.

• AZPH is linear coefficient for the downstream impressed pressure level PBAR.

• BSOR is the nominal value of built-in source term in finite-volume equation calculated by PHOENICS EARTH. It can be used in formula of (MODSOR statement only.

• CFIPS determines the reference coefficient for inter-phase transport.

• CMDOT is interphase mass-transfer parameter.

• CONV is the nominal value of convection term in finite-volume equation calculated by PHOENICS EARTH. It can be used in formula of (MODCON statement only.

• CP1 is the specific heat of the phase-1 material.

• CP2 is the specific heat of the phase-2 material.

• DEN1 is the density of phase 1.

• DEN2 is the density of phase 2.

• DIFF is the nominal value of diffusion term in finite-volume equation calculated by PHOENICS EARTH. It can be used in formula of (MODDIF statement only.

• DRH1DP is the compressibility of the phase 1 fluid.

• DRH2DP is the compressibility of the phase 2 fluid.

• DT is the current time-step size.

• DVO1DT is the volumetric coefficient of thermal expansion of the phase-1 material.

• DVO2DT is the volumetric coefficient of thermal expansion of the phase-2 material.

• DXG is the distance in the IX-direction between centres of scalar-variable cells.

• DXU is the distance in the IX-direction between walls of scalar-variable cells.

• DYG is the distance in the IY-direction between centres of scalar-variable cells.

• DYV is the distance in the IY-direction between walls of scalar-variable cells.

• DZG is the distance in the IZ-direction between centres of scalar-variable cells.

• DZW is the distance in the IZ-direction between walls of scalar-variable cells.

• DZ is the current width of the slab, and the forward-step size in parabolic calculations.

• DZL is the z-thickness of the previous slab.

• DZGL is the distance between the cell centres of the low slab-cell and the current-slab cell.

• DZRAT is DZ / DZL.

• EL1 is the mixing length-scale of the first-phase fluid.

• EL2 is the mixing-length scale of the second-phase fluid.

• EMISS is the emission (and absorption) coefficient of a transparent medium.

• ENUL is the reference laminar kinematic viscosity.

• ENUT is the turbulent kinematic viscosity.

• FIXFLU is 2.0E-10, a coefficient recognized in the third argument of COVAL, to be used to indicate a fixed-flux condition.

• FIXP is 1.0, a coefficient name recognized in the third argument of COVAL, to be used when the external pressures are fixed.

• FIXVAL is 2.0E10, a coefficient name recognized in the third argument of COVAL, to be used to indicate a fixed-value condition.

• FSTEP is the first time step size.

• FSWEEP is the number of first sweep.

• GREAT is 1.0E20, a large number, used in EARTH.

• GRND is -10110.0, a special flag.

• GRND1 is -10120.0, a special flag.

• GRND2 is -10130.0, a special flag.

• GRND3 is -10140.0, a special flag.

• GRND4 is -10150.0, a special flag.

• GRND5 is -10160.0, a special flag.

• GRND6 is -10170.0, a special flag.

• GRND7 is -10180.0, a special flag.

• GRND8 is -10190.0, a special flag.

• GRND9 is -10200.0, a special flag.

• GRND10 is -10210.0, a special flag.

• INDVAR is the number of current dependent variable.

• IRUN is the current run number.

• IDRH1 is the compressibility of the phase 1 fluid.

• IDRH2 is the compressibility of the phase 2 fluid.

• IDVO1 is the volumetric coefficient of thermal expansion of the phase-1 material.

• IDVO2 is the volumetric coefficient of thermal expansion of the phase-2 material.

• ISPH1 is the specific heat of the phase-1 material.

• ISPH2 is the specific heat of the phase-2 material.

• ISTEP is the time-step number.

• ISWEEP is the current sweep number.

• ITHYD is the current iteration number at the current z-slab.

• IXF is the west extent of the current patch.

• IXL is the east extent of the current patch.

• IYF is the south of the current patch.

• IYL is the north of the current patch.

• IZ or IZSTEP is the grid-point location in the z-direction.

• LEN1 is the length scale of phase 1.

• LEN2 is the length scale of phase 2.

• LITHYD is the maximum number of hydrodynamic iteration.

• LSGLN is the length of a part of line sub-grid object which is located in a cell. The number of In-Form object should be specified in 'INFOB_' flag of In-form statement.

• LSGTL is the total length of line sub-grid object. The number of In-Form object should be specified in INFOB_ flag of In-Form statement.

• LSTEP is the maximum number of time steps a transient-flow simulation.

• LSWEEP is the maximum number of iterative sweeps.

• MASS1 is the mass of phase-1.

• MASS2 is the mass of phase-1.

• NRUN is the maximum number of runs (in a multi-run calculation).

• NX is the number of intervals in the x-direction.

• NY is the number of intervals in the y-direction.

• NZ is the number of intervals in the z-direction.

• OPPVAL is -10250.0, a special flag.

• PBAR is downstream mean pressure for use in parabolic calculations.

• RG is radius of the cell centre (for polar-coordinate grids).

• RHO1 is the density of the first phase.

• RHO2 is the density of the second phase.

• RINNER is the inner radius (for polar-coordinate grids).

• RV is radius of the v-velocity node (for polar-coordinate grids).

• SAME is -10260.0, special flag.

• SCATT is scattering coefficient of the transparent medium.

• SNALFA is grid-edge slope in parabolic grids.

• TEMP1 is the temperature of the first phase, when this is deduced from the enthalpy.

• TEMP2 is the temperature of the second phase, when this is deduced from the enthalpy.

• TFIRST is the starting time in the calculation of a time-dependent process.

• TIM is the current time size in seconds.

• TINY is a small real number, defaulted to 1.E-20.

• TLAST is the finishing time in the calculation of a time-dependent process.

• TMP1 is first-phase temperature, when the variable TEM1 is not being solved for directly.

• TMP2 is second-phase temperature, when the variable TEM2 is not being solved for directly.

• TSURR is the temperature of the surroundings.

• VISL is the laminar kinematic viscosity.

• VISTis the turbulent kinematic viscosity.

• VLFRIO is volume fraction of In-Form object. It is equal 1 if the cell is completely filled by object. The number of In-Form object should be specified in INFOB_ flag of In-Form statement.

• VOL is the volume of the cell.

• VOLU is the volume of the cell (for multi-domain calculation).

• XG is the x-coordinate of the centre point of a grid cell.

• XRAT is the multiplier of the previous XULAST which gives the current XULAST.

• XU is the distance in x direction from the origin of the corresponding velocity-storage points.

• XULAST is the overall size of the integration domain in the x-direction

• YG is the y-coordinate of the centre point of a grid cell.

• YRAT is the multiplier of the previous YVLAST which gives the current YVLAST.

• YV is the distance in y direction from the origin of the corresponding velocity-storage points.

• YVLAST is the overall size of the integration domain in the y-direction.

• ZG is the z-coordinate of the centre point of a grid cell.

• ZWLAST is the overall size of the integration domain in the z-direction.

• ZWADD is the addition which is made to z-coordinate values when these are used for grid-stretching.

• ZW is the distance in z direction from the origin

• ZZW is the z coordinate of the high face of the current slab.