Texas Tech University

CapSim 4.2.6

Last Update Date: Jan 23rd, 2025

File Downloads:

CapSim Short Course:

Setup File for 64 bit*  [Exe File]

Short Course Slides and Sample Files [Zip File]

Other downloads:

Setup File for 64 bit*  [Exe File]

Specific Chemical Database Files [RAR File][Zip File]

Batch File Examples [Zip File]

Specific Chemical Database Notes [Word File]

CapSIM 4.2 Basic Users Manual [PDF File]

Monte Carlo (MC) Batch File Example [Text File]

CapSIM 4.0 Powerpoint [PDF File]

Freundlich Parameters of PAHs and PCBs [Excel File]

Multiple Scenario (MS) Batch File Example [Text File]

Koc and Kdoc Values [Excel File]

General Chemical Database [Excel File]

Sample Input files (Short Course) [Zip file]

* Windows 11 is recommended. Windows 10 users can use the latest version of CapSIM but the ability to change upwelling velocity over time is not supported in Windows 10.  Running simulations using a batch file will still allow Windows 10 users to change upwelling rate over time. 

Instructional Videos:

Design of a basic cap:

 

Reasons not to use sediment-water interface concentration as an evaluation point:

Previous Versions

CapSIM 4.1

Last update June 8, 2023

Update Note: AC sorption kinetic coefficients for HOC and metals/Optimized simulation algorithms/User-defined significant figures for output values.

CapSIM 4.0

Last update December 14, 2022

CapSIM 3.8

Last Update Date: January 08, 2021

CapSIM 3.7

Last Update Date: March 25, 2019

CapSIM 3.6

Last Update Date: June 14, 2018

Update Note:Minor bug fixes, output changes and updates of the quick start manual in response to comments from EPA Region 10 reviewers.

CapSIM 3.5

Last Update Date: October 6, 2017

Update Note: Solid mixing process by bioturbation/Average output option/Finite water column boundary

CapSIM 3.4

Last Update Date: Jan 8, 2017

Update Note: Update the mixture input window

CapSIM 3.3

Last Update Date: Dec 8, 2016

Update Note: Update the kinetic sorption model of Freundlich isotherm sorption and the output interface

CapSIM 3.2a

Release Date: Aug 15, 2016

Update Note: Add search function in importing compounds from database and update the calculation of DOC bound contaminants

CapSIM 3.2

Release Date: June 28, 2016

Update Note: Enable batch function and update the calculation of DOC bound contaminants

CapSIM 3.1

Release Date: Apr 7, 2016

Update Note: Enable multi-species, dynamic sorption and non-linear reactions

CapSIM 2.8a

Release Date: Nov 13, 2014

Update Note: Enable modeling the tidal oscillation

CapSIM 2.8

Release Date: Oct 3, 2014

Update Note: Correct the error in flux calculation

CapSIM 2.7c

Release Date: Aug 1, 2014

Update Note: Correct the potential errors in generatation of output files

CapSIM 2.7b

Release Date: June 6, 2014

Update Note: Several running errors are fixed, default directory for log files moved to the user's documents folder

CapSIM 2.7a

Release Date: April 11, 2014

Update Note: Database, input and output files are moved in a user-defined directory; a bug in batch file function is fixed

CapSIM 2.7

Release Date: April 9, 2014

Update Note: Add 'layer grid size' function, which allows the user to control the grid number of each layer in multiple layer case

 

 

Reible Group