COCO 3.5 released

Discusses use of COCO, the process simulation and modelling software suite from AmsterCHEM, downloadable from http://www.cocosimulator.org

Moderator: jasper

COCO 3.5 released

Postby jasper » 04 May 2021, 07:41

COCO 3.5 is now available for download!

http://www.cocosimulator.org/index_download.html

or use COCO Update (CUP)....

The following changes are included:
  • Windows XP is no longer supported; loading of DLLs is now quicker and deprecated API functions have been replaced by newer versions,
  • An x86-only Windows version is no longer supported; x86 binaries on an x64 Windows version remain supported,
  • Default implementation is now x64. Binaries no longer carry a "64" suffix. Binaries are separated in win32 and x64 folders,
  • Many changes were made to the Gibbs reactor. In particular, compounds that react to the full extent caused finding the exact location of the minimum rather difficult. Such compounds are now eliminated from the minimization problem and considered truly fully converged,
  • A Stream Copier unit operation allows for creation of duplicate streams for side processing,
  • New algorithms for solving LMTD based heat exchangers,
  • Replaced univariate solver by TOMS 748, in heat exchanger and compressor,
  • Fixed conversion reactor now allows for specifying reaction extents in terms of conversion rates,
  • In accordance with M&T recommendations, put_SimulationContext is now invoked prior to Load, InitNew and Initialize,
  • Make-up mixer now defaults to adiabatic operation instead of isothermal,
  • Make-up mixer is allowed to continue even if the make-up flow rate exceeds the specified make-up feed rate,
  • Fixed crashes on creation of the meta file creation that serves as the previous image in the shell extension,
  • Increased the length of the most recently used files in COFE,
  • Reaction packages can now be saved and used, even if mass- or component balance is not satisfied. Such errors are replaced by warnings,
  • Any errors that occur during editing of a property package are now shown to the user,
  • Stream Order was renamed to Stream Display Order for clarity,
  • Several improvements were made to the update process using COCO Update (CUP),
  • Revision of the water source code, available as open source,
  • CUP updates are now signed with a stronger key, and therefore less prone to supply-chain attacks. Please note that all COCO binaries are code signed,
  • COSMOtherm LITE is no longer distributed as part of COCO,
  • ChemSep version 8v26.
Many more issues were fixed. For a full list of changes, please see http://cocosimulator.org/index_changes.html

We hope you enjoy this new COCO release.
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