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Portable DWSIM Changelog

What's new in Portable DWSIM 5.4

Nov 11, 2018
  • [NEW] A new Global Flash Algorithm supporting one solid, one vapor and two liquid phases, is now the default one
  • [NEW] Updated Inspector Window for Classic UI
  • [CHG] Enhanced reliability of the liquid phase stability test, removes the need for stability search key compound selection
  • [CHG] Missing NRTL/UNIQUAC Interaction Parameters warning only for non-zero compound amounts
  • [FIX] Fixed broken sample simulations

New in Portable DWSIM 5.4 (Oct 16, 2018)

  • NEW:
  • A new Global Flash Algorithm supporting one solid, one vapor and two liquid phases, is now the default one
  • Updated Inspector Window for Classic UI
  • CHANGED:
  • Enhanced reliability of the liquid phase stability test, removes the need for stability search key compound selection
  • Missing NRTL/UNIQUAC Interaction Parameters warning only for non-zero compound amounts
  • FIX:
  • Fixed broken sample simulations

New in Portable DWSIM 5.3 Update 32 (Oct 6, 2018)

  • [NEW] Support for Dark Mode on macOS Mojave (10.14)
  • [NEW] Support for High DPI displays on Linux with configurable Scaling Factor (Cross-Platform UI)
  • [NEW] Download and Open FOSSEE Flowsheets directly from DWSIM
  • [NEW] Configurable warning for missing interaction parameters on Activity Coefficient-based Models
  • [NEW] Cross-Platform UI users can now edit initial estimates for Distillation and Absorption Columns
  • [CHG] Now requires Mono v5.14 or newer on Linux, which fixes many Classic UI (Windows Forms) glitches on this platform
  • [CHG] Prevented unreliable UNIQUAC interaction parameters from loading
  • [CHG] Bypass CAPE-OPEN Unit Operations on macOS and Linux
  • [FIX] Minor bug fixes

New in Portable DWSIM 5.2 Update 22 (Sep 28, 2018)

  • Improved font rendering on Cross-Platform UI PFD Designer
  • Fixed stoichiometric coefficient input on reaction editor (Classic UI)

New in Portable DWSIM 5.2 Update 21 (Sep 27, 2018)

  • [FIX] Fixed a regression in Heat Exchanger model

New in Portable DWSIM 5.2 Update 17 (Sep 11, 2018)

  • Liquid Density calculation fixes and enhancements
  • Minor bug fixes

New in Portable DWSIM 5.2 Update 2 (May 24, 2018)

  • [FIX] Fixed Python.NET issues on Linux and macOS
  • [FIX] Fixed flowsheet object removal on Cross-Platform UI
  • [FIX] Fixed error when connecting rigorous distillation column reboiler duty on Cross-Platform UI
  • [FIX] Fixed a bug with the spreadsheet
  • [FIX] Restored backup function on Classic UI
  • [FIX] Fixed mouse wheel absent bug on Classic UI

New in Portable DWSIM 4.0 Update 25 (Oct 18, 2016)

  • [FIX] Fixed bugs with the Steam Tables Property Package

New in Portable DWSIM 4.0 Update 24 (Oct 18, 2016)

  • [FIX] Fixed Splitter Mass/Mole Flow Spec mode

New in Portable DWSIM 4.0 Update 23 (Oct 18, 2016)

  • [FIX] Fixed Steam Tables property calculation on supercritical region
  • [FIX] Other minor fixes

New in Portable DWSIM 4.0 Update 22 (Oct 18, 2016)

  • [FIX] Fixed liquid phase reactions on Equilibrium reactors
  • [FIX] Fixed Outlet Pressure units on Expander editor

New in Portable DWSIM 4.0 Update 21 (Oct 18, 2016)

  • [FIX] Fixed writing of Spreadsheet Variables to Flowsheet
  • [FIX] Fixed some unit conversions
  • [CHG] More German translations

New in Portable DWSIM 4.0 Update 20 (Oct 18, 2016)

  • [FIX] Fixed Petroleum Characterization utilities not working
  • [CHG] More German translations

New in Portable DWSIM 4.0 Update 19 (Oct 18, 2016)

  • [FIX] Fixed Specification Block calculation
  • [FIX] Fixed Solid Phase Enthalpy calculation on Activity Coefficient models

New in Portable DWSIM 4.0 Update 18 (Oct 18, 2016)

  • [FIX] Fixed PR calculation bug when adding compounds after creating a simulation
  • [FIX] Fixed Steam Tables Enthalpy/Entropy calculation
  • [FIX] Fixed Rigorous Column Reboiler/Condenser Pressure setting
  • [FIX] Fixed Splitter Editor ratio sliders
  • [CHG] More German translations

New in Portable DWSIM 4.0 Update 15 (Oct 18, 2016)

  • [FIX] Fixed Steam Tables Property Package
  • [FIX] Fixed input for Material Streams connected to Recycles
  • [FIX] Fixed Script Editor auto-completion

New in Portable DWSIM 4.0 Update 14 (Oct 18, 2016)

  • [FIX] Fixed number precision loss on saved XML files

New in Portable DWSIM 4.0 Update 13 (Oct 18, 2016)

  • [FIX] Fixed cryptographic issues on FIPS-compliant systems
  • [FIX] Fixed opening sample files on read-only installations

New in Portable DWSIM 4.0 Update 12 (Oct 18, 2016)

  • [CHG] Exposing convergence tolerances in Pipe Segment editor

New in Portable DWSIM 4.0 Update 11 (Oct 18, 2016)

  • Fixes to Extended UNIQUAC, Sour Water and Steam Tables Property Packages
  • [FIX] Fixed Energy Stream connection to Pipe Segment UO

New in Portable DWSIM 4.0 Update 10 (Oct 18, 2016)

  • [FIX] Fixed Electrolyte PVF Flash

New in Portable DWSIM 4.0 Update 9 (Oct 18, 2016)

  • [FIX] Fixed command buttons not showing in Data Regression Utility

New in Portable DWSIM 4.0 Update 8 (Oct 18, 2016)

  • [FIX] Electrolytes subsystem stability and reliability enhancements
  • [FIX] Fixed Material Stream, Heater/Cooler, Adjust and Spec editors
  • [FIX] Minor bug fixes and enhancements

New in Portable DWSIM 4.0 Update 7 (Oct 18, 2016)

  • [FIX] Fixed Excel Add-In 'CalcProp' function for mass-based properties

New in Portable DWSIM 4.0 Update 6 (Oct 18, 2016)

  • [NEW] Added an option to hide solid phase from list of present phases (for ChemSep compatibility)
  • [NEW] Sour Water PP: Added an option to ignore vapor fraction bounds during flash calculations

New in Portable DWSIM 4.0 Update 5 (Oct 18, 2016)

  • [FIX] Fixed missing Compound Spec selection on Rigorous Column editor
  • [FIX] Fixed non-converging samples
  • [FIX] Fixed bugs in the Flowsheet UO

New in Portable DWSIM 4.0 Update 4 (Oct 18, 2016)

  • [FIX] Fixed loading of DWSIM 3.x simulations with logical blocks
  • [FIX] Fixed bugs in the Flowsheet UO

New in Portable DWSIM 4.0 Update 3 (Oct 18, 2016)

  • [FIX] Fixed Gibbs Reactor Editor
  • [FIX] Fixed Pipe insulation k calculation
  • [FIX] Fixed Material Stream editor composition Clear/Equalize buttons

New in Portable DWSIM 4.0 Update 2 (Oct 18, 2016)

  • [FIX] Fixed issues with Adjust and Spec logical blocks

New in Portable DWSIM 4.0 Update 1 (Oct 18, 2016)

  • [FIX] Fixed issues with Adjust and Spec logical blocks

New in Portable DWSIM 4.0 (Oct 18, 2016)

  • [FIX] Fixed enthalpy and entropy calculation for Activity Coefficient-based Property Packages

New in Portable DWSIM 3.7 Build 6055 (Oct 18, 2016)

  • [FIX] Fixed enthalpy and entropy calculation for activity coefficient-based Property Packages
  • [FIX] Fixed ideal gas enthalpy and entropy calculation
  • [FIX] Fixed pipe segment inclination
  • [FIX] Fixed Inside-Out PT Flash early convergence

New in Portable DWSIM 3.7 Build 5981 (Jul 8, 2016)

  • Bug fixes to reactor models
  • Bug fix for Nested Loops VLLE and Simple LLE flash algorithms
  • Fixed a bug in the Data Regression utility
  • Fixed pipe wall conductivity calculation
  • Fixed CAPE-OPEN Property Package Manager 64-bit registration

New in Portable DWSIM 3.7 Build 5952 (Apr 20, 2016)

  • [CHG] Changed target .NET Framework to v4.0 for Windows XP compatibility
  • [FIX] Bug fixes

New in Portable DWSIM 3.7 Build 5905 (Apr 20, 2016)

  • [NEW] Implemented inline unit conversion for Property Grid
  • [NEW] Script Manager comment/uncomment/indent lines
  • [CHG] flowsheet object selection rectangle now works from all directions
  • [CHG] Updated cut/paste shortcut key behavior
  • [FIX] Bug fixes and enhancements

New in Portable DWSIM 3.7 Build 5901 (Apr 20, 2016)

  • [NEW] Added Undo/Redo capability for Flowsheet Objects, Compounds and Property Packages
  • [NEW] Added cross-simulation Cut/Copy/Paste capability for Flowsheet Objects
  • [NEW] New 'Edit' menu
  • [NEW] Added data copy button to Spreadsheet and Material Stream list (Mono only)
  • [NEW] Added SRK fugacity GPU calc routine
  • [CHG] Minor changes and UI enhancements
  • [FIX] Fixed Spreadsheet UO calculation taking too long to finish
  • [FIX] Fixed Nested Loops PT/PV Flash mismatch for single-compound mixtures
  • [FIX] General bug fixes

New in Portable DWSIM 3.5 Build 5884 (Feb 11, 2016)

  • [FIX] Performance enhancements and bug fixes

New in Portable DWSIM 3.5 Build 5876 (Feb 11, 2016)

  • [NEW] DWSIM now runs in 64-bit mode on 64-bit operating systems. To run in 32-bit mode, start "DWSIM_32.bat"
  • [NEW] New Pipe calculation modes: Specify Outlet Pressure / Outlet Temperature
  • [NEW] Sour Water Property Package
  • [CHG] Updated User Interface
  • [CHG] Enabled CoolProp Property Package for 64-bit Linux
  • [CHG] Changed XML report style
  • [FIX] Various stability enhancements and bug fixes when running in Mono mode

New in Portable DWSIM 3.5 Build 5800 (Nov 19, 2015)

  • [NEW] IAPWS-08 Seawater Property Package
  • [NEW] Black-Oil Property Package - [NEW] Debug Object tool
  • [CHG] Enhanced Flowsheet Solver to increase calculation speed
  • [CHG] Enhanced Compound Creator to handle black-oil fluids
  • [CHG] Updated flowsheet drawing code, added new alignment tools
  • [FIX] General bug fixes and optimizations

New in Portable DWSIM 3.4 Build 5740 (Sep 20, 2015)

  • [NEW] Added Spreadsheet Cell support to Sensitivity Analysis and Optimization tools
  • [NEW] 'Power' specification added to Pump model
  • [NEW] New Heat Exchanger calculation mode
  • [NEW] Added API help link to script editors
  • [NEW] Added 'Replace' function to compounds added to the simulation
  • [NEW] Added an option to backup file when saving an existing simulation
  • [CHG] Replaced script editing component to enable code intellisense (Windows only) [CHG] Reworked Electrolyte Flash algorithms - [FIX] Fixed Liquid Phase Enthalpy calculation in Activity Coefficient-based PPs - [FIX] Fixed Gibbs reactor energy balances
  • [FIX] General bug fixes and optimizations

New in Portable DWSIM 3.4 Build 5644 (Jun 16, 2015)

  • NEW: Added support for Heterogeneous Catalytic reactions
  • NEW: UNIFAC Interaction Parameter Regression Tool
  • NEW: Custom UO input and output variables
  • NEW: Mouse double-click on flowsheet objects opens specific property editor windows
  • NEW: Added three new sample flowsheets
  • CHG: New Welcome Screen
  • CHG: Human-readable error messages
  • CHG: Flowsheet UO compound mapping
  • CHG: Copy and Paste EOS interaction parameters
  • CHG: Minor usability enhancements
  • CHG: Changed Reid Vapor Pressure calculation procedure
  • FIX: Implemented limiter for parallel conversion reactions
  • FIX: Spec Op general fixes
  • FIX: Fixed conversion and equilibrium reactor expression parsing
  • FIX: General bug fixes

New in Portable DWSIM 3.4 Build 5608 (May 12, 2015)

  • [NEW] NIST-MODFAC Property Package
  • [NEW] Model Comparison in Binary Enevelope Utility
  • [NEW] New Flowsheet Solver modes
  • [NEW] Linked Spreadsheet Table
  • [NEW] Activate/Deactivate Flowsheet Objects
  • [NEW] Added Input and Output Variables to Custom (Script) Unit Operation
  • [NEW] Restore previous successful flowsheet solutions
  • [NEW] Equilibrium calculations now use Henry coefficients for non-condensables
  • [NEW] Added support for CAPE-OPEN Array Parameter type
  • [NEW] Mouse double-click now opens specific windows for some unit operations
  • [NEW] Added window docking menu for Mono compatibility
  • [NEW] Export simulation compounds to XML user database
  • [CHG] Excel UO is now Spreadsheet UO, supports ODS files and runs on Linux
  • [CHG] Speed enhancements for calculations with UNIFAC-type Property Packages
  • [CHG] Flash Algorithm "Fast" option is now a Property Package parameter
  • [CHG] Changed Flowsheet UO subflowsheet display mode to dockable
  • [CHG] Parallelized phase identification routine loop
  • [CHG] Optimized Recycle code
  • [CHG] Improved Lee-Kesler root finding
  • [CHG] New object palette icons
  • [FIX] Corrected some Hydrate calculation models
  • [FIX] Fixed GPU multithreading lockups
  • [FIX] Fixed Sum Rates Absorption Column solver
  • [FIX] Minor bug fixes and enhancements

New in Portable DWSIM 3.3 Build 5517 (Feb 10, 2015)

  • [NEW] Flowsheet Unit Operation
  • [NEW] Redesigned Nested Loops VLLE flash algorithm
  • [NEW] Fast/Rigorous option mode for Nested Loops VLE flash algorithm
  • [NEW] Timed simulation script events
  • [NEW] Updated Plugin Interface (IUtilityPlugin2), includes new generic function which can be called by scripts
  • [CHG] Updated/Redesigned CoolProp interface
  • [CHG] Autosave scripts when saving flowsheet
  • [FIX] Fixed Heat of Vaporization calculation for ChemSep compounds
  • [FIX] Fixed bugs in the PSV sizing utility
  • [FIX] General bug fixes and code optimizations

New in Portable DWSIM 3.3 Build 5488 (Jan 12, 2015)

  • [NEW] Excel Unit Operation
  • [NEW] IronPython Script Manager
  • [CHG] Flowsheet drawing optimizations
  • [CHG] Added Energy Stream requirement to Vessel UO to maintain energy balance consistency
  • [CHG] Added a confirmation message to add units systems from simulation files
  • [CHG] Sensitivity Analysis Utility GUI adjustments
  • [CHG] CAPE-OPEN Property Package adjustments
  • [CHG] Added Material Stream's phase mole flow information to property grid
  • [FIX] (T)xy, (P)xy binary diagram fixes
  • [FIX] Fixed Command Line mode issues
  • [FIX] Fixed bugs in the Compound Creator utility
  • [FIX] Fixed Rigorous Column stage naming
  • [FIX] Fixed proxy settings for new version check
  • [FIX] Fixed isolated Material Stream not calculating with "Calculate All" command
  • [FIX] Minor bug fixes

New in Portable DWSIM 3.2 Build 5398 (Oct 13, 2014)

  • [CHG] Cleaned exception information in log window
  • [FIX] General fixes to Parallel CPU/GPU calculations
  • [FIX] General fixes and stability enhancements to Three-Phase Flash Algorithms
  • [FIX] Fixed Interaction Parameter XML restoring bug
  • [FIX] Fixed Recycle Op not updating mole flows
  • [FIX] Fixed a report display bug in CAPE-OPEN Unit Operation

New in Portable DWSIM 3.2 Build 5390 (Oct 6, 2014)

  • [NEW] Triangular LLE Phase Envelope Utility
  • [NEW] User Compound Database Management Tool
  • [NEW] Material Stream data copy through the PFD context menu
  • [NEW] Added Enthalpy/Entropy/Cp calculation method selection to Activity Coefficient-based Property Packages.
  • [NEW] Added support for hydrate calculations in equilibrium with gas phase only
  • [NEW] New interpolation methods for distillation column initial estimates of temperature, vapor and liquid flows
  • [CHG] Pure Component Property Viewer improvements
  • [CHG] Updates to Help system
  • [CHG] Updates to stability tests on three-phase flash algorithms
  • [FIX] Implemented missing methods for XML saving/loading of Watch Items
  • [FIX] Fixed bugs in the Electrolytes subsystem
  • [FIX] Gibbs Reactor model fixes
  • [FIX] Minor bug fixes and UI tweaks

New in Portable DWSIM 3.2 Build 5349 (Aug 26, 2014)

  • [NEW] Implemented Pressure-Enthalpy (PH) and Pressure-Vapor Fraction (PVF) Flash algorithms for Electrolyte Property Packages
  • [NEW] Added an option to restore Material Streams' default properties
  • [NEW] Added "Ignore Vapor Phase" property to the Tank Unit Op
  • [CHG] Changed Units System persistence to XML format
  • [CHG] Updated calculation procedures in the Petroleum Cold Flow Properties utility
  • [CHG] Steam Tables Property Package now works with Water compound from ChemSep database
  • [FIX] Restored table property values after loading simulation from a XML file [FIX] Minor bug fixes

New in Portable DWSIM 3.1 Build 5309 (Jul 23, 2014)

  • [NEW] Added hydrate calculation method option to the phase envelope utility
  • [CHG] Enhanced hydrate models to correctly support hydrocarbons that don't form hydrates

New in Portable DWSIM 3.1 Build 5265 (Jun 2, 2014)

  • [FIX] Mono Runtime compatibility fixes
  • [FIX] Fixed Spreadsheet bugs
  • [FIX] Fixed bugs in the Adjust and Set logical operations
  • [FIX] Fixed PV/TV Flash temperature search limits
  • [FIX] Fix for sensitivity analysis window resizing
  • [CHG] Updated quickview table
  • [CHG] Fixed zoom level of the quickview table at 100%

New in Portable DWSIM 3.0 Build 5209 (Apr 7, 2014)

  • [FIX] Fixed ratios not being set in the Splitter Op.
  • [FIX] Fixed a small bug in Gibbs PH flash calculation.

New in Portable DWSIM 3.0 Build 5206 (Apr 4, 2014)

  • [NEW] New Nested-Loops Three-Phase algorithm
  • [FIX] Various fixes and stability/reliability enhancements for the flash algorithms
  • [FIX] Minor bug fixes.

New in Portable DWSIM 3.0 Build 5162 (Feb 20, 2014)

  • [NEW] Added a new "Stream Flow Spec" operation mode for the Splitter Unit Operation.
  • [CHG] Workaround for CAPE-OPEN terminate call error during flowsheet close event.
  • [CHG] Updated Cudafy.NET.dll to v1.26, compiling CUDA code with CUDA SDK 5.5 and Visual C++ 2012 Express.
  • [CHG] Added a trivial solution check to the Gibbs PT flash algorithm.
  • [FIX] Fix for zeroing mass and mole flow through CAPE-OPEN calls.
  • [FIX] Workaround for Gibbs PT-Flash algorithm reaching maximum number of iterations (happens on single phase regions).
  • [FIX] Fixed XML serialization of Double and Single data types.
  • [FIX] Minor bug fixes.

New in Portable DWSIM 3.0 Build 5142 (Jan 30, 2014)

  • [NEW] User Interaction Parameter database system for NRTL and UNIQUAC models (work in progress)
  • [CHG] Compounds and Property Packages can now be added with a double mouse click
  • [FIX] Fixed bug #13: Steam Tables - gas-liquid equilibrium in adibatic expander
  • [FIX] Fixed bug #14: Sensitivity Analysis Definition cannot be saved
  • [FIX] Fixes to the CAPE-OPEN subsystem
  • [FIX] Fixed validation of PT-flash calculations
  • [FIX] Fixed a bug in the PH-Flash calculation with Gibbs 3P algorithm
  • [FIX] Fixed mixing rule for liquid density
  • [FIX] Fixed some bugs in the Shortcut Column model
  • [FIX] Binary Envelope - y axis scale adjusted to x axis in Txy and Pxy diagrams

New in Portable DWSIM 3.0 Build 5114 (Jan 3, 2014)

  • [NEW] Temperature-dependent VLE/LLE regression for NRTL/UNIQUAC interaction parameters
  • [NEW] Excel Interface: created new functions that accept an initial estimate for temperature and pressure calculations
  • [CHG] Users can now specify the gibbs energy delta tolerance for validation of flash calculation results
  • [CHG] Welcome Screen: Button "Samples" opens a dialog with samples directory selected instead of displaying samples directory.
  • [CHG] Enhanced stability of the three-phase Gibbs Minimization flash algorithm
  • [FIX] Fixed enthalpy and entropy calculation through Excel interface
  • [FIX] Fixed CSTR and Shortcut Column models
  • [FIX] Minor bug fixes and enhancements

New in Portable DWSIM 3.0 Build 5065 (Nov 15, 2013)

  • [CHG] Exposed more properties of the Distillation Column to Adjust, Set, Report and Optimization tools
  • [FIX] Fixed Excel Thermo Interface
  • [FIX] Fixed Material Stream cleaning through CAPE-OPEN commands
  • [FIX] Fixed inverted sign on Russell's IO duties results
  • [FIX] Fixed stage efficiency on Russell's IO solver
  • [FIX] Fixed some Spanish translations
  • [FIX] Fixed XML loading of Pipe, Shortcut Column and Master Property Table

New in Portable DWSIM 3.0 Build 5031 (Oct 15, 2013)

  • [NEW] Added Aqueous Electrolyte systems simulation support with two new Property Packages: LIQUAC* and Extended UNIQUAC
  • [NEW] New Unit Operations for Solid-handling simulations: Solids Separator and Continuous Cake Filter
  • [NEW] Unified code base and single executable for .NET/Mono, compiled for CLR v4.0
  • [NEW] New XML simulation file format for full compatibility between platforms (Windows/Linux/OS X)
  • [NEW] New Parallel Calculations engine with support for multicore CPUs and CUDA/OpenCL-capable GPUs
  • [NEW] 'Copy Data to Clipboard' function added to flowsheet objects
  • [CHG] Stability enhancements to Rigorous Column model and Boston-Britt Inside-Out solver
  • [CHG] Report tool now fully supports Excel Spreadsheet file format
  • [CHG] Added more material stream composition input options: Mass/Mole Flows, Standard Liquid Volumetric Fractions, Molarity and Molality (for electrolyte simulations)
  • [CHG] Mixer and Separator Vessel models now supports up to six inlet streams
  • [CHG] NRTL/UNIQUAC Interaction Parameters are now temperature-dependent
  • [CHG] All Activity coefficient models now include an option to model the Vapor Phase as ideal. The Data Regression utility also supports this option in order to regress data to find the interaction parameters accordingly
  • [CHG] The Compound Creator was enhanced to include more Joback/UNIFAC groups, Element information and Solid Phase properties estimation, including temperature-dependent ones (Cp, Density). The regression graphs now show calculated properties for every temperature dependent property
  • [CHG] Phase Envelope utilities now have cancellation support
  • [CHG] The Binary Envelope Utility was enhanced to show every kind of equilibrium line supported by DWSIM (VLE, LLE, SLE and Critical)
  • [CHG] The Data Regression utility now supports fixing some interaction parameters, enhanced LLE /SLE regression
  • [CHG] The Pure Compound Property viewer now includes molecular properties, solid properties and property tables
  • [FIX] Lots of bug fixes and minor enhancements

New in Portable DWSIM 2.1 Build 4819 (Apr 30, 2013)

  • [FIX] Fixed empty property grid after adding an object to the flowsheet
  • [FIX] Fixed Binary Envelope utility "index out of bounds" error
  • [FIX] Fixed unit system not being updated after loading from file
  • [FIX] Fixed NRTL parameter estimation in the Data Regression utility
  • [FIX] Fixed vapor pressure parameters not being saved in the Compound Creator
  • [FIX] Fixed NRTL/UNIQUAC parameter estimation between compounds from mixed databases
  • [FIX] Fixed boiling point calculation instability in the Binary Envelope utility when two liquid phases are present
  • [FIX] Fixed key compound list for instability test not being updated after adding/removing a compound from the simulation
  • [FIX] Fixed object property sorting in the Sensitivity Analysis utility
  • [FIX] Fixed German translation for the "Advanced" section in Thermodynamics config screen
  • [FIX] Fixed Critical Temperature calculation in the Compound Creator when Normal Boiling Point isn't selected to be calculated by UNIFAC/Joback
  • [FIX] Fixed Adjust error function units
  • [CHG] Phase Envelope utility is now set to show all calculated points even when an error occurs
  • [CHG] Saved file name is now displayed in the window title for Regression and Compound Creator cases

New in Portable DWSIM 2.1 Build 4513 (May 11, 2012)

  • Contains some general fixes and enhancements for the flash algorithms that increases their reliability and stability.

New in Portable DWSIM 2.1 Build 4503 (May 2, 2012)

  • [NEW] FPROPS Property Package (needs testing)
  • [NEW] Gibbs Minimization (experimental stage!), Hybrid Nested Loops / Inside Out flash algorithms
  • [NEW] Added convergence information (error value, time taken and iteration count) for all flash algorithms
  • [FIX] Fixed IO PH/PS flash calculation for single compounds
  • [FIX] Fixed Property Grid issues with some unit operations and Spanish language
  • [FIX] Fixed a bug with energy stream connection to rigorous columns