BASEMENT - Basic Simulation Environment

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Version 1.7

(December 2009)

General

New Features:

  • Coupling of subsystems BASEchain and BASEplane, i.e. sub-domains
  • Flow control in river systems

Subsystem BASEchain

New Features:

  • Multiple boundaries at in- and outflow cross sections
  • Speed improvements for explicit simulations
  • Improvement of z-hydrograph boundary condition
  • Changed behaviour of lateral source (now uses one cross section)

Bug fixes:

  • Batch execution mode corrected

Subsystem BASEplane

New Features:

  • Suspension Transport in 2D
  • Improvement of inner boundaries
  • New procedure for updating velocities at partially dry elements (prevention of high velocities at dry-wet interfaces)
  • Z-hydrograph boundary condition enhanced to be used as inflow or outflow

Bug fixes:

  • Correction of hydrograph boundary in case of no inflow
  • Negative area for elements prevented (only occurs when .2dm files are manually changed such that nodes are not counterclockwise)
  • Bug fixes in Tecplot output routine
  • Default behaviour of hq-relation changed: partially dry elements are treated as zerogradient instead of wall

System Manuals

  • New chapters on model coupling and flow control
  • additions and corrections
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