Home / DWSIM / DWSIM 2.0
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DWSIM_Mono_Edition_bin_v20_b4260.zip 2011-09-01 17.2 MB 22 weekly downloads
releasenotes_mono.txt 2011-09-01 19.8 kB 11 weekly downloads
Source Code Guide.pdf 2011-08-30 120.4 kB 11 weekly downloads
DWSIM Class Documentation.chm 2011-08-30 18.4 MB 22 weekly downloads
DWSIM_bin_v20_patch_b4249_to_b4258.zip 2011-08-30 7.1 MB 11 weekly downloads
readme.txt 2011-08-30 16.6 kB 11 weekly downloads
releasenotes.txt 2011-08-30 16.6 kB 11 weekly downloads
DWSIM_bin_v20_b4258.exe 2011-08-30 41.3 MB 22 weekly downloads
NaturalGasProperties.zip 2011-07-10 79.7 kB 11 weekly downloads
DWSIM CAPE-OPEN Property Package Test.fsd 2011-07-03 314.9 kB 11 weekly downloads
IronPython Script Membrane CAPE-OPEN Unit Operation.fsd 2011-06-22 32.4 kB 11 weekly downloads
========================================== DWSIM 2.0 Build 4258 - August 2011 Copyright (c) Daniel Wagner O. de Medeiros ========================================== DWSIM is a software for modeling, simulation and optimization of steady-state chemical processes. ========================================== DISCLAIMER ========================================== The data and information within DWSIM has been obtained from a wide variety of literature sources. While reasonable care has been exercised in the collection of data and testing of this software, the author of DWSIM disclaims any warranty, expressed or implied, as to the accuracy or reliability of the data or calculations contained therein. The results of calculations obtained from DWSIM yield approximate results, which will not always be suitable for every application. The software is designed for use by trained professional personnel and is not a substitute for sound professional judgment. It is the sole responsibility of the user to validate the data presented by DWSIM and to determine whether the results of this program are accurate and suitable for any specific purpose. No guarantee of accuracy or fitness for any purpose is expressed or implied. The author strongly recommends that the data be checked against other sources and/or methods before use and application. The author shall not be held liable for any direct, indirect, consequential or incidental damages incurred through use of the data or calculations. ========================================== LICENSE ========================================== DWSIM is licensed under the GNU General Public License (GPL) Version 3. ========================================== SOFTWARE/SYSTEM REQUIREMENTS ========================================== OS: Windows 98SE/Me/XP/2000/Vista/7 Software: .NET Framework 2.0 (or 3.5 for the COSMO-SAC Property Package) CPU: 1.6 GHz single-core processor (minimum) Memory: 256 MB RAM HD space: 130 MB for program files. Display: A 1024x768 display resolution is recommended as a minimum. ========================================== VERSION HISTORY / CHANGELOG ========================================== Version 2.0 Build 4258 - [FIX] Fixed unit conversion from lbmol/h to mol/s - [FIX] Fixed empty compound list array when adding DWSIM Property Packages to CAPE-OPEN simulators - [FIX] Fixed calculation of activity coefficient when requested from external components (Excel/CAPE-OPEN) - [FIX] Fixed Energy Stream parameter list (CAPE-OPEN) Version 2.0 Build 4252 - [FIX] Fixed Compressor and Expander models for single component simulations - [FIX] Fixed a bug that caused DWSIM to throw an exception on startup related to user-created unit systems - [FIX] Fixed the negative temperature input bug on Heater and Cooler models Version 2.0 Build 4251 - [FIX] Fixed the reference state for enthalpy and entropy calculations Version 2.0 Build 4249 - [NEW] Excel Interface for Equilibrium and Property calculators - [FIX] Minor bug fixes Version 2.0 Build 4235 - [FIX] Fixed Shell and Tube Heat Exchanger shell side pressure drop calculation - [NEW] Added an option to save simulations with password protection - [CHG] Centralized flowsheet drawing surface (PFD) Version 2.0 Build 4225 - [FIX] Fixed Shell and Tube Heat Exchanger model - [FIX] Fixed Units of measure in Watch Panel - [CHG] Changed update checker to show only a non-obtrusive link on the status panel Version 2.0 Build 4220 - [NEW] Added a set of shapes for CAPE-OPEN Unit Operations in the flowsheet - [FIX] Fixed CAPE-OPEN compliancy of the Steam Tables Property Package - [FIX] Corrected CAPE-OPEN Report Window behavior Version 2.0 Build 4207 - [NEW] Support for CAPE-OPEN Unit Operations, Property Packages (1.0/1.1) and Plugins (Flowsheet Monitoring Objects) - [NEW] DWSIM Property Packages can now be exposed to external CAPE-OPEN compliant simulators - [NEW] Inside-Out Three-Phase (VLLE) Flash Algorithm - [NEW] PC-SAFT (without association term) Property Package - [NEW] UNIFAC Property Package with Liquid-Liquid interaction parameters - [NEW] Liquid-Liquid Extractor operation mode for the Absorption Column - [NEW] Three-Phase separation mode for the Vessel - [NEW] ChemSep database automatic loading - [NEW] Watch window - allows property monitoring from different objects at the same time - [NEW] CAPE-OPEN Unit Reports window - view output from CAPE-OPEN Unit Operations - [NEW] Updated flowsheet drawing theme - [NEW] 'Send Error Info' button added to the Unhandled Exception window - [NEW] New version checking tool - informs the user when a new version becomes available and downloads the setup file - [FIX] General bug fixes and speed improvements Version 1.8 Build 4101 - [NEW] 'Fouling Factor' calculation mode for the Heat Exchanger Shell and Tube model - [NEW] Added non-linear solver IPOPT to the Optimizer - [NEW] DWSIM now reads experimental liquid density and liquid thermal conductivity data for ChemSep components (enabled by default) - [NEW] Added multiple selection capability to the flowsheet to enable moving multiple objects at once - [NEW] Added a 'Snap to Grid' capability to the flowsheet for better object alignment - [CHG] Reactivated flowsheet navigation through the arrow keys - [CHG] Reactivated the quick connect tool on the flowsheet - [CHG] General Heat Exchanger model improvements - [FIX] Fixed 'lbmol/h' unit conversion from SI to English Version 1.8 Build 4080 - [NEW] Model for rating Shell and Tube Heat Exchangers - [NEW] Scripting support for pre- and post- Unit Op calculations - [NEW] Console Output and Calculation Queue windows - [NEW] "Fast mode" switch for Inside-Out Flash calculations Version 1.8 Build 3947 - [NEW] Paste from Excel function (Ctrl-V) added to the Composition Editor - [FIX] Fixed liquid density and water content calculations in Peng-Robinson IWVT Property Package - [FIX] Fixed Grayson-Streed fugacity calculation - [CHG] Added ChemSep component support to the COSMO-SAC Property Package Version 1.8 Build 3938 - [NEW] New converter in Property Grid for some units (temperature, pressure, flow rates, etc.) - [NEW] New gauge pressure units - [FIX] Fixed a cut/paste bug in the script editor - [FIX] Fixed wrong molar/mass fraction values in flowsheet tables Version 1.8 Build 3922 - [NEW] COSMO-SAC Property Package based on the JCOSMO library (http://code.google.com/p/jcosmo/) - [CHG] Improvements to the Custom UO script editor - [CHG] Updated Plugin Interface definition Version 1.8 Build 3908 - [NEW] Added IronPython, IronRuby, VBScript and JScript scripting support - [NEW] Added a new Unit Operation: Custom UO, which lets the user run scripts as an unit operation calculation routine Version 1.7 Build 3875 - [NEW] Added German translation by Rainer Göllnitz Version 1.7 Build 3868 - [NEW] Interface definition for external plugins - [FIX] Updated Rigorous Column solvers (Inside-Out and Simultaneous Correction) - [FIX] Updated Critical Point calculation Version 1.7 Build 3850 - [NEW] Lee-Kesler-Plöcker Property Package - [FIX] Fixed K-value calculation call in the Sum Rates method for solving Absorption Columns - [FIX] Fixed IO Flash calculation in single phase region - [FIX] Fixed Critical Point calculation with PR and SRK Equations of State - [FIX] Fixed portions of GUI language that were not being set on the first run Version 1.7 Build 3840 - [NEW] Gibbs Reactor model (vapor phase only) with two solving methods: reaction extents and direct minimization - [NEW] New global settings for Property Packages: Flash Algorithm and Calculate Bubble/Dew points - [NEW] New approach for equilibrium calculation: Inside-Out by Boston and Britt - [NEW] Added an option to adjust Rackett Parameters and Acentric Factors to match SG and NBP in Petroleum Characterization Utilities - [NEW] New Quick Settings toolbar: Unit system and number formatting - [NEW] New menu gives quick access to DWSIM Tools - [NEW] Added the option to select stream component amounts as properties to show on PFD tables - [CHG] Completely rewritten Equilibrium Reactor model - [CHG] Updated ChemSep database loading code to support ChemSep 6.62 - [FIX] Fixed an exception when working with pump curves to calculate pump power - [FIX] Fixed a bug in temperature calculation with the Steam Tables Property Package Version 1.6 Build 3756 - [FIX] Fixed Conversion Reactor calculation with more than one reaction in parallel - [FIX] Fixed Separator Vessel calculation under normal flash settings (Force PH flash option not selected) Version 1.6 Build 3752 - [NEW] Component Separator Unit Op - [NEW] Orifice Plate Unit Op - [CHG] Improvements to the Optimizer, new solvers, more control options - [CHG] Changed object insertion method from strip buttons to menu items, enhanced object palette to include new view modes - [FIX] Fixed problems with rigorous column stream connections - [FIX] Fixed Pump curves feature - [FIX] Fixed Shortcut Column unhandled exception Version 1.6 Build 3676 - [NEW] Added new rigorous column specification options - [NEW] New rigorous column solving method: Napthali-Sandholm Simultaneous Correction (SC) - [NEW] Added curves support to the Pump unit op - [NEW] Added expression support to the Sensitivity Analysis Utility - [FIX] Corrected Cooler and Heater heat exchanged sign - [CHG] Various Flowsheet improvements (new font and color scheme, new table style, calculation indicator, improved connector drawing algorithm) - [CHG] General improvements to the IO Method, new configuration options - [CHG] Added co/countercurrent flow direction selector to the Heat Exchanger - [FIX] Fixed Pipe heat loss calculations - [FIX] Fixed some translation errors - [FIX] Removed degree symbol from Celsius temperature unit to improve compatibility with foreign languages - [FIX] Fixed PH Flash setting in Thermo & Reactions configuration section not being effective - [FIX] Optimizer/Sensitivity utilites: Fixed Material Streams' molar and volumetric flow changes not being effective - [FIX] Fixed temperature calculations in the Steam Tables property package - [FIX] Fixed Heat Exchanger Area calculation - [FIX] Fixed Pipe properties not showing when the GUI language is set to Spanish Version 1.6 Build 3618 - [FIX] Fixed control placement in the composition editor when using Spanish locale settings Version 1.6 Build 3605 - [NEW] Added Spanish GUI translation (many thanks to Abad Lira and Gustavo León!) - [NEW] Added a Multivariate, Constrained Optimization utility - [NEW] Added a Sensitivity Analysis utility supporting up to 2 independent variables - [NEW] Added "command-line run mode" (read the documentation for more details) - [NEW] Added a 'Write to the Flowsheet' capability to the Spreadsheet - [NEW] New Property Packages: Chao-Seader, Grayson-Streed, Modified UNIFAC (Dortmund) and Peng-Robinson with support for immiscible water and Volume Translation - [NEW] New Energy Recycle unit operation - [NEW] Added more units for the most commom properties (temperature, pressure, etc.) - [NEW] Added code to display a message when the flash algorithm converges to the trivial solution - [CHG] Redesigned UNIFAC group structure to include all available groups - [CHG] Report can now show all properties from all objects in the flowsheet - [CHG] Removed single-phase and phase change limitations from the Heat Exchanger - [CHG] Property Package selection interface now groups packages by type - [CHG] Changed component selection interface - [FIX] Fixed bugs and made minor changes to the code/interface Version 1.5 Build 3399 - [FIX] Corrected Ideal Gas Enthalpy/Entropy calculation for CheResources and ChemSep database components - [FIX] Corrected heat duty sign in Equilibrium Reactor - [FIX] Corrected a unit inconsistency in Rigorous Column heat balances Version 1.5 Build 3398 - [NEW] Added component volumetric fraction / volumetric flow information to Material Streams - [NEW] Added a liquid density calculation mode to EOS-specific Property Packages (EOS or Rackett) - this also affects partial volume calculations - [FIX] Fixed bug #2750848 (null reference error when adding components) - [FIX] Fixed the 'Recalculate All' calculator feature - it wasn't recalculating input streams - [FIX] Fixed some errors in the Equilibrium Reactor calculation routine - [FIX] Fixed some errors when connecting product streams to Absorbers - [FIX] Added a default value of zero for the UNIFAC groups in the Component Creator to avoid null reference errors Version 1.5 Build 3377 - [NEW] New Calculator features: Break Calculation, Recalculate All and Clear Queue List - [NEW] Added information about calculation time - [FIX] Fixed positioning of rigorous column connections - [FIX] Fixed UNIFAC Property Package configuration error - [FIX] Fixed rigorous column 'Decalculate' routine - [FIX] Fixed stability curve (phase envelope utility) calculation issues - [FIX] Rigorous columns are now recalculated when editing properties in modal windows - [CHG] Changed calculator behavior so the interface is more responsive Version 1.5 Build 3372 - [FIX] Object selection by mouse dragging now updates the property grid correctly - [FIX] Changed liquid viscosity mixing rule (for multicomponent systems) - [FIX] Fixed an error in liquid mixture surface tension calculation - [FIX] Fixed null Viscosity error in C7+ characterization tool - [FIX] Fixed PRLK Property Package configuration error - [FIX] Fixed a bug in rigorous column condenser connections - [FIX] Fixed n-Butane database parameter (liquid viscosity) - [FIX] Fixed rigorous column full reflux condenser behavior - [FIX] Fixed vessel and tank null object reference error - [CHG] Speed improvements in column IO method Version 1.5 Build 3353 - [NEW] Redesigned component database system - [NEW] Added two new Property Packages: NRTL/Peng-Robinson and UNIQUAC/Peng-Robinson - [NEW] Added support for loading ChemSep(TM) databases - [NEW] Added a tool to characterize petroleum fractions from ASTM/TBP distillation curves - [NEW] Added a tool to insert user-defined components - [NEW] Added the ability to use multiple property packages in a single simulation - [NEW] Dockable help window with localized tips - [NEW] New Unit Operations: Distillation Column, Absorption Column, Refluxed Absorber and Reboiled Absorber - [NEW] Rigorous Column solving methods: Bubble-Point, Sum-Rates and Inside-Out - [NEW] New utility for calculation of Petroleum Cold Flow Properties - [CHG] Surface Tension is now correctly listed as a liquid phase property - [CHG] Redesigned splash and welcome screens - [FIX] Fixed high-pressure vapor viscosity calculation - [FIX] Fixed liquid viscosity calculation error when supercritical components are present - [FIX] Fixed flash calculation vapor fraction initialization error (should avoid some impossible solutions) - [FIX] Fixed culture-specific error related to Property Package parameter storage - [FIX] Fixed calculation of vapor phase thermal conductivity - [FIX] Fixed a bug in internal calculation of heat capacity ratio - [FIX] Fixed MRU filelist Version 1.4 - [NEW] Added three new Unit Operations: Shortcut Column, Equilibrium Reactor and a basic Heat Exchanger - [NEW] Added three new utilities: PSV/Vessel Sizing and Spreadsheet - [CHG] New drag-and-drop feature for adding objects to flowsheet - [CHG] Some cosmetic changes in the PFD - [CHG] The critical point utility was modified to calculate multiple critical points when they exists. It's (still) not perfect, but it should work well in most cases. - [CHG] Petroleum Characterization Utility: temperature-dependent properties are now calculated only when requested, greatly improving the speed of the pseudocomponent creation process. - [FIX] Corrected the PFD object numbering bug Version 1.3 - This version is the first to be released under the GPL v3 license - Added support for English language and translation. Contact the developer for more information. - Added reactions (conversion, kinetic, equilibrium) and reactors support (Conversion, PFR, CSTR) - Removed Krypton Toolkit controls in order to mantain consistency of the GUI as a whole - English reporting now works correctly - Corrected many other bugs from the previous version ========================================== KNOWN BUGS ========================================== - Application doesn't restart when asked to do so (maybe a .NET bug?); - Sometimes the simulation report isn't generated (you'll get a blank page) - this is an issue with NeoData Reporting tool, not DWSIM.
Source: readme.txt, updated 2011-08-30