v8.4.7

What's New:

Version 8.4.7

• Added Feed Recovery as specification for Distillation Columns
• Added context menu in compound selection panel for viewing, exporting and replacing (Classic UI)
• Exposed Tray Spacing for user definition in Rigorous Column
• Implemented Stop button for Cross-Platform UI (feature request #481)
• Fixed loading of additional compounds for Property Packages in CAPE-OPEN/Excel mode
• Improved initialization time
• Other bug fixes

Version 8.4.6

• Fixed memory leaks in Classic UI
• Overall performance and memory consumption improvements

Full Changelog: v8.4.5...v8.4.7

v8.4.5

Changes since v8.4.4:

• New Henry's Constants database from https://henrys-law.org/
• Added MaterialStream.SetOverallMolarComposition() function
• Clear log when converging recycles (Classic UI)
• Fixed issue with kinetic and hetcat reaction editors (Classic UI)
• Removed OpenGL renderer (Classic UI)
• Fixed Classic UI freezing during calculations
• Fixed Compressor/Expander curve extrapolation
• Other minor fixes and enhancements

Full Changelog: v8.4.3...v8.4.5

v8.4.3

Changes since v8.4.2:

• Updates to Simulate 365 Login and File Picker
• Nested Loops Flash optimizations
• Exposing Valve's Actual Kv
• Added "Invert Selection" to Edit menu (Classic UI)
• Zoom+Center on mouse double-click
• Fixed object cloning
• Fixed an issue with Air Cooler model (#421)
• Flowsheet zooming/centering fixes
• Fixed issue with Liquid Cp calculation
• Fixed a bug with Valve's Kv/Cv calculation mode
• Other minor fixes

Full Changelog: v8.4.2...v8.4.3

Download binaries: https://sourceforge.net/projects/dwsim/files/DWSIM/DWSIM%208.4/8.4.3/

v8.4.2

Changes since v8.4.1:

• Updated Cheméo parser to get data from a new API endpoint
• Smart Object Solver disabled by default
• Added a button to view all log messages
• Japanese translation review
• Fixed Dashboard window size for high-dpi displays
• Fixed System.ValueTuple version mismatch
• Fixed bug with OpenGL renderer (Classic UI)
• Fixed Excel Add-In not working
• Fixed PFR pressure drop calculation when Ntubes > 1 (discussion #445)
• Fixed bug #422: Error in CoolProp PH flash
• Fixed bug #444: Incorrect refrigerant outlet temperature
• Fixed bug #446: Large temperature drop across splitter

Full Changelog: v8.4.0...v8.4.2

v8.4.0

Changes since v8.4.0:

• Smart Object Solving
• Fail-Safe Equilibrium Calculation method
• Force usage of Henry's constants
• Auto-estimate missing NRTL/UNIQUAC paremeters
• New Property Package information window (Classic UI)
• Added Critical Point calculation routine for PR78
• More human-readable error messages
• PH Flash optimization
• PR/SRK enhancements
• Fixed issue with Pump's energy stream connection button in editor
• Added FOSSEE Custom Models to object selection palette (Classic UI)
• Fixed issue #425: IronPython - 'import csv' fails in Script Manager
• Fixed issue #429: Dynamic modelling for water heat exchanger does not work
• Fixed issue #432: Adding ExtraProperties to recycle or energy stream crashes flowsheet UI
• Fixed issue with Absorption Column
• Fixed data fetching from Cheméo
• Other minor fixes and enhancements

Full Changelog: v8.3.5...v8.4.0

v8.3.5

Changelog:

• Phase Diagram now supports immiscible water (Classic UI)
• Display fractions as percentages in Material Stream editor (Classic UI)
• Updated CoolProp library version to 6.4.3
• Fixed some spreadsheet issues (Classic UI)
• Fixed an issue with Heater and Cooler UOs
• Fixed issue #418: Inert compound that reacts
• Fixed DWSIM requesting unnecessary permission to monitor keyboard input on macOS
• Fixed floating tables not working on macOS
• Fixed issue with saving initial estimates for Rigorous Column
• Fixed compound element parsing from formula
• Fixed water mass balance in immiscible flash
• Other minor bug fixes

Full Changelog: v8.3.4...v8.3.5-2

v8.3.4

Changelog:

• Implemented Feature Request #395: Specification block not updated/solved
• Fixed bug #377: Simulation settings exception
• Fixed bug #407: Binary interaction parameters input not working
• Fixed bug #410: Incompressible fluid PH flash with any PR EOS does not work

Full Changelog: v8.3.3...v8.3.4

v8.3.3

Changelog:

• Machine-generated translations for 14 languages (Classic UI)
• Estimation of Rigorous Column diameter and height
• Added SI Engineering units
• Fixed issue with Water Electrolyzer model
• Fixed issue with Compressor and Expander
• Fixed issue with Seawater Property Package
• Other minor fixes and enhancements

v8.3.2

Changes since v8.3.1:

• Several Electrolyzer Model enhancements:
  • Supports Heavy Water + Deuterium
  • Supports User-defined Efficiency
  • Calculation of Thermoneutral and reversible voltages
  • Fixed calculation of outlet temperature/enthalpy
• Enhanced reliability of VLE PV Flash
• Enhanced reliability of Phase Envelope Utility
• Fixed Pump Head calculation
• Fixed Deuterium formation properties
• Other minor bug fixes

v8.3.0 Source Code

Changes since v8.2.1:

• Python Script Controller (Dynamics)
• Implemented Valve Opening/Kv[Cv] relationship types
• Implemented Valve Actuator Delay (Dynamics)
• New Distillation/Absorption Column convergence and property reports
• New PFR Non-Adiabatic Non-Isothermal mode (#167)
• PFR: User-defined linear pressure drop (#168)
• Expose Pump Head as a property
• Implemented user-defined data table for calculation of Overall HTC in Pipe Segment (#238)
• Persist custom calculation order (#59)
• Changed kij editing table to matrix format (#49)
• Changed recycle mass flow error calculation
• Fixed D2O ideal gas enthalpy/gibbs energy of formation
• Fixed many High-DPI issues (Classic UI)
• Fixed Gibbs Element Matrix editor (CPUI) (#371)
• Other bug fixes