v8.8.3

What's New:

• Added spreadsheet object to Automation3 API
• Added MJ/h to heat flow units (#675)
• Updated IronPython version to v3.4.1
• Fixed issue with Sensitivity Analysis utility (Classic UI) (#684)
• Fixed issue with Optimization utility (Classic UI) (#688)
• Fixed Cantera Interop sample
• Fixed Biodiesel Combustion (Cantera) sample
• Fixed enthalpy and entropy calculation for Seawater Property Package (#682)
• Fixed Pipe Segment external diameter calculation
• Fixed issue with loading reaction sets for internal flowsheets in Flowsheet UO
• Fixed issue with CAPE-OPEN Property Package equilibrium calculations
• Missing compound parameter warnings are now optional

Full Changelog: v8.8.2...v8.8.3

v8.8.2

What's New:

• Optimized memory consumption and CPU usage
• Added mass balance residual and total energy balance to flowsheet results
• Added phase volumetric fractions
• Set default System of Units (Classic UI)
• Fixed issues with Sensitivity Analysis (Classic UI)
• Fixed ironpython script debugging
• Fixed/disabled display of dynamic properties in steady state
• Tentative fix for Excel.exe not closing in Spreadsheet UO after calculation
• Fixed memory leaks
• Fixed issue with Heat Exchanger UO
• Other fixes and enhancements

Full Changelog: v8.8.1...v8.8.2

v8.8.1

What's New:

• Control Panel for Controller Logical Block in Cross-Platform UI (CPUI)
• Added an option to use legacy convergence mode for Recycle blocks (#667)
• Improved CPUI initialization and loading times
• Fixed Dynamics Integrator not working in CPUI
• Fixed Reaktoro Property Package
• Fixed issue with reactor models
• Fixed Heat of Combustion plugin
• Fixed solid density calculation
• Fixed issue #669 (single compound partial sublimation when Tfus > Tsat)
• Fixed issue with rigorous column
• Fixed issue #656 (Crashing when using simulation setup wizard)
• Fixed issue #657 (Faulty unit for Cp in compound creator wizard)
• Fixed issue #664: memory leak in automation mode
• Fixed issue with property package missing BIPs after calculating a binary envelope (Classic UI)

Full Changelog: v8.8.0...v8.8.1

v8.8.0

What's New in Version 8.8.0:

• New search functionality to Property Table editors (Classic UI)
• New Object List Panel (Classic UI)
• New Step feature in Dynamic Mode (Classic UI)
• New Recycle Smoothing Factor to improve convergence
• Implemented item ordering for Flowsheet Property Tables
• New Load Compound JSON files on startup (Classic UI)
• Implemented #630: User-selected solver for PFR reactor (DotNumerics)
• Implemented #631: Compound Properties: Add 'Export to JSON' button
• Improved Azeotropic temperature calculation
• Workaround for invalid SSL Certificate at cheric.org
• Fixed Surface Tension calculation
• Fixed issue with Compound Creator Wizard
• Fixed issues with data regression tool
• Added tabular t-dep data to compound constant properties
• Fixed issue with PFD designer
• Fixed #628: Native save dialog for Compound creator
• Fixed #649: Water electrolyzer results not updating
• Fixed #652: Compound separator generates mass
• Fixed #647: Utilities running
• Fixed #627: Delete or update user compound

Full Changelog: v8.7.1...v8.8.0

v8.7.1 (INPI)

Full Changelog: v8.7.0...v8.7.1

v8.7.0

What's New:

• Import/Export NRTL/UNIQUAC/Wilson BIPs
• Import/Export PR/SRK/PRSV2/LKP BIPs
• Wilson BIP estimation
• Various Rigorous Column enhancements: new initial estimates selector, enhanced reporting, test convergence tool
• Data Regression Utility: added support for Wilson BIPs
• Data Regression Utility: Export regressed BIPs
• Export imported compounds to JSON (Classic UI)
• Estimate PID Controller parameters (Classic UI)
• Enhanced floating table drawing for big property lists
• Dynamic valve flow calculation now obeys Material Stream's maximum allowable dynamic flow rate
• Toggle show/hide object label
• Fixed Heat Exchanger sizing sample
• Fixed issue with CSTR
• Fixed issue with PRLK enthalpy/entropy calculations (#593)
• Fixed Reporting tool (Classic UI)
• Fixed infinite loop message issue
• Fixed axes in embedded dynamic mode charts
• Fixed phase split heuristics
• Fixed object recalculation not updating editor
• Fixed issue with SimpleLLE flash algorithm
• Fixed issue with single comp PH flash
• Fixed issue with Dynamics Cause and Matrix editor (Classic UI)
• Fixed port/connector positions for ChemSep column
• CAPE-OPEN Property Package Manager fix
• Added compound mass balance check for rigorous columns (#599)
• Fixed Shortcut Column calculation with subcooled and superheated feeds

Full Changelog: v8.6.8...v8.7.0

v8.6.8

What's New:

• Implemented compressor/expander pressure ratio calculation mode (#550)
• Update material stream when changing specs in dynamic mode (#588)
• Fixed issue #566 (Material Streams not updating - Classic UI)
• Fixed issue #567 ("What's New in DWSIM" dialog hides "Update Available" dialog)
• Fixed issues with defining number of stages and initial estimates for rigorous column (#590)
• Fixed issue with dynamic charts
• Fixed issue with compressor and expander performance curves
• Fixed memory leaks in dynamic mode
• Fixed issue with PID Controller
• Fixed issue with ChemSep column

Full Changelog: v8.6.7...v8.6.8

v8.6.7

Changes since 8.6.6:

• Fixed issues with CoolProp Incompressible Mixtures (#563)
• Fixed issues with Steam Tables and CoolProp Property Packages
• Fixed an issue with Simultaneous Adjust Solver
• Fixed issues with online compound importing
• Fixed some UI issues
• Removed Online UNIFAC/MODFAC Structure retrieval tool (currently unavailable)

Full Changelog: v8.6.6...v8.6.7

v8.6.6

What's New:

• Added Mach number calculation and reporting for gas flow in pipes
• Added slurry viscosity correction for PFR and Pipe Segment (Yoshida et al, https://www.aidic.it/cet/13/32/349.pdf)
• New Modified Bubble-Point solver for Rigorous Columns
• Kinetic/HetCat/Conversion reactions/reactors now support compounds in solid phase
• Surface Tension is now calculated for all liquid phases
• General fixes to Rigorous Column model and solvers
• Fixed issue with Coolprop Incompressibles PP
• Fixed issues with Pump model
• Fixed Solid Cp calculation
• Other minor fixes and enhancements

Full Changelog: v8.6.5...v8.6.6

v8.6.5

Changes since v8.6.1:

• Includes ThermoC Property Package
• Dynamic Event transitions
• Export PFR Profile to new spreadsheet (Classic UI/CPUI)
• Heat Exchange Profile now available for all Heat Exchanger calculation modes
• Enhanced Heat Exchange Profile Viewer (CPUI)
• New Enthalpy calculation method (Liquid Cp + Excess)
• EOS-based models can now select Experimental Liquid Cp as Enthalpy calculation method
• Changed duration controls for Dynamics Integrator to allow periods higher than 24 hours (Classic UI)
• Fixed issues with Pure Compound Viewer (Classic UI)
• Fixed conversion reactor energy balance (#541)
• Fixed not being able to update kappa parameters for PRSV2 PP
• Fixed Heat Exchanger calculation when specifiyng invalid outlet temperatures
• Fixed Enthalpy calculation from Liquid Cp
• Fixed/added CO2 Normal Boiling Point
• Fixed Excess Enthalpy calculation
• Fixed Pump curves are not being correctly saved (#548)
• Fixed input issue with Pipe Hydraulic Profile on Classic UI (#543)
• German translation fix

Full Changelog: v8.6.1...v8.6.5