SMS:FESWMS executable known issues

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There are several different builds of the FESWMS executable (fst2dh.exe). Unfortunately there are some known issues and likely some unknown issues as well. This page is intended to help identify which executable to use for which type of project.

FESWMS development is sponsored by the Federal Highway Administration. Aquaveo does not have access to the FESWMS source code and cannot make changes to fix the issues found in the FESWMS numerical model. Aquaveo can fix problems in the SMS interface, used for pre and post processing of FESWMS files.

This list may not contain all know issues, so please feel free to add to it.

Sediment Transport

Aquaveo employees have successfully run test cases using the following options:

  • Equilibrium inflow
  • Clear water inflow

Attempts to create test cases using the other options have been unsuccessful [1].

Version 3.3.2

This is the version of fst2dh.exe that is currently distributed with SMS 10.0

  • Does not work with piers.

Version 3.3.2 can be downloaded at

Version 3.3.3

  • Fixed the issue with piers but does not work with transient models. It is unknown what is wrong specifically other than models that run using 3.3.2 do not always work with 3.3.3. The problem seems to be that the model doesn't work with transient models.

Version 3.3.3 can be downloaded at

Related Topics


  1. ^ Ipson, Mark K. (2006). Analysis of the Sediment Transport Capabilities of FESWMS FST2DH. Thesis, Brigham Young University. [1]