PO.MBE.Aq.VEH.reD
Description
Calculates dimensionless radius for VEH aquifer, [dimensionless]. reD = ra / rr.
Syntax
=PO.MBE.Aq.VEH.reD(ra, rr)Parameters
| Parameter | Description |
|---|---|
| ra | Outer aquifer radius, [ft]. |
| rr | Reservoir radius, [ft]. |
SI Unit Version
Lambda Name
PO.MBE.Aq.VEH.reD.SIFormula
=LAMBDA(ra, rr, LET(
ra_ft, PO.UnitConverter(ra, "m", "ft"),
rr_ft, PO.UnitConverter(rr, "m", "ft"),
PO.MBE.Aq.VEH.reD(ra_ft, rr_ft)))SI Parameters
| Parameter | Unit | Description |
|---|---|---|
ra |
m | Outer aquifer radius, [m] |
rr |
m | Reservoir radius, [m] |
How to save as a reusable Excel function
LAMBDA is a built-in Excel feature (Microsoft 365) that lets you create custom functions without VBA. The formula above works as-is when pasted into a cell.
To save a LAMBDA as a reusable named function:
- Go to Formulas → Name Manager → New
- Enter a name, e.g.
PO.MBE.Aq.VEH.reD.SI - In Refers to, paste the LAMBDA formula without the trailing invocation
(...) - Click OK
Now use =PO.MBE.Aq.VEH.reD.SI(...) anywhere in your workbook.