From 545b74b36a5afbf3657b39b4ab8bf10ad3728d7e Mon Sep 17 00:00:00 2001 From: David Parkhurst Date: Mon, 28 Jan 2019 18:12:54 -0700 Subject: [PATCH] Tony's changes 20190117, updated RELEASE.TXT --- RELEASE.TXT | 39 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) diff --git a/RELEASE.TXT b/RELEASE.TXT index 7d9c6398..51a00071 100644 --- a/RELEASE.TXT +++ b/RELEASE.TXT @@ -1,4 +1,43 @@ Version @PHREEQC_VER@: @PHREEQC_DATE@ + ----------------- + January 28, 2019 + ----------------- + + PHREEQC: Bug fix of incorrect mass added in solid solutions with a component + containing an element not present initially, but added with + INCREMENTAL_REACTIONS. + + PHREEQC: Enabled active_fraction factors for EXCHANGE_SPECIES in Pitzer activity + models, and generally improved the convergence of exchange calculations with + active_fraction factors. + + Active_fraction factors are useful for modeling non-ideal ion exchange, see + https://hydrochemistry.eu/exmpls/a_f.html for an example of active + fraction model for varying exchange selectivity. + + The aquia example https://hydrochemistry.eu/exmpls/aquia.html now runs 3 + times faster. + + ----------------- + November 6, 2018 + ----------------- + + PHREEQC: The Basic function SURF returned the incorrect value under some conditions + when surface species used -mole_balance definition. + + ----------------- + November 4, 2018 + ----------------- + + PHREEQC: Fixed potential integer overflow of calculated number of mixes + for a diffusion calculation. Now gives an error message. + + ----------------- + October 18, 2018 + ----------------- + + PHREEQC: Fixed bug with diffusion calculation if porosity was changed. + ----------------- August 22, 2018 -----------------