From 1f963b6dc569c7c9b141da43a3d2b603920044af Mon Sep 17 00:00:00 2001 From: David Parkhurst Date: Wed, 25 Aug 2021 21:11:09 -0600 Subject: [PATCH] new Basic functions --- RELEASE.TXT | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/RELEASE.TXT b/RELEASE.TXT index 759671df..75fbb70c 100644 --- a/RELEASE.TXT +++ b/RELEASE.TXT @@ -1,4 +1,17 @@ Version @PHREEQC_VER@: @PHREEQC_DATE@ + -------------- + August 25, 2021 + -------------- + PHREEQC: Added new Basic functions MCD_JTOT and MCD_JCONC that return + multicomponent diffusion fluxes. MCD_JTOT returns the value of equation + 10 in the description of the TRANSPORT keyword in the PHREEQC 3 manual + for an aqueous species. MCD_JCONC returns the flux calculated by the + first term of equation 10. The functions ignore interlayer diffusion + and only apply to multicomponent diffusion. Here are Basic examples. + Uphill diffusion occurs when the two functions have opposite signs. + + 10 jtot = MCD_JTOT("Cl-") + 20 jconc = MCD_JCONC("Cl-") -------------- July 30, 2021