now secured with https download logo


5.2 Update 2
DWSIM Screenshot
Free Freeware
Daniel Medeiros
Windows 10 / 8 / 7 / Vista / XP
May 25, 2018
[+] More Details

DWSIM Review

DWSIM is a free and open source chemical process simulation app filed under educational software and made available by Daniel Medeiros for Windows.

The review for DWSIM has not been completed yet, but it was tested by an editor here on a PC and a list of features has been compiled; see below.

If you would like to submit a review of this software download, we welcome your input and encourage you to submit us something!

DWSIM has been picked by our editors as very good.
DWSIM has been tested for viruses and malware.
We have tested DWSIM 5.2 Update 2 against malware with several different programs. We certify that this program is clean of viruses, malware and trojans. [Read more]

Publisher's Description

A chemical process emulator suitable for teachers and students:

DWSIM is an and efficient and user-friendly chemical process simulator written in VB.NET, intended for beginners as well as more experienced chemical scientists.

The application provides users with advanced thermodynamic calculations, petroleum characterization and hypothetical components utilities, accessible through a fully-featured graphical user interface.

DWSIM allows chemical engineering students and chemical engineers to better understand the behavior of their chemical systems by using rigorous thermodynamic and unit operations' models with no cost at all.

DWSIM features and highlights:
  • CAPE-OPEN features: Thermo 1.0/1.1 Property Package Socket, Thermo 1.1 Property Package Server, Unit Operation Socket and Flowsheet Monitoring Object support. Additionally, DWSIM exposes its IronPython/IronRuby Script (Custom) Unit Operation for all CAPE-OPEN compliant simulators.
  • Thermodynamic models: PC-SAFT, Peng-Robinson, Soave-Redlich-Kwong, Lee-Kesler, Lee-Kesler-Plocker, UNIFAC, Modified UNIFAC (Dortmund), UNIQUAC, NRTL, COSMO-SAC, LIQUAC*, Extended UNIQUAC, Chao-Seader, Grayson-Streed and Ideal Gas
  • Unit Operations: Mixer, Splitter, Separator, Pump, Compressor, Expander, Heater, Cooler, Valve, Pipe Segment, Shortcut Column, Heat Exchanger, Reactors, Component Separator, Orifice Plate, Distillation/Absorption Columns, Solids Separator, Cake Filter and Custom Unit Operation
  • Utilities: Phase Envelope, Hydrate Calculations, Pure Component Properties, Critical Point, PSV Sizing, Vessel Sizing, Spreadsheet and Petroleum Cold Flow Properties
  • Tools: Binary Data Regression, Hypothetical Components Generator, Bulk C7 and Distillation Curves Petroleum Characterization, Reactions Manager and Component Creator
  • Process Analysis: Multivariate Constrained Optimization and Sensitivity Analysis utility
  • Extras: Scripting System and Plugin Interface

DWSIM is licensed as Freeware for Windows (32-bit and 64-bit) operating system / platform from educational software without restrictions. DWSIM 5.2 Update 2 is available to all software users as a free download (Freeware).

This chemical process simulation software is filed under:
  • DWSIM Download
  • Freeware Educational Software
  • Open source and GPL software
  • Free Software Download

Compatibility with this chemical process simulation software may vary, but will generally run fine under Microsoft Windows 10, 8, 8.1, 7, Vista and XP on either a 32-bit or 64-bit setup. A separate x64 version may be available from Daniel Medeiros.

Page maintained by Fernando Ortega.

Screenshots of DWSIM (1)

Genymotion Icon
Android emulator which supports phone and tablet simulation
Shunra VE Desktop Icon
Shunra VE Desktop
Network simulation software - simulate latency, jitter, bandwidth, packet loss
iPadian Icon
Transforms your desktop into something resembling the Apple iPad
Imtec Battery Mark Icon
Imtec Battery Mark
Easily benchmark and test installed batteries on your laptop or notebook
Multi-Process Killer Icon
Multi-Process Killer
A Tool To Terminate Multiple Processes
Download94.31 MB - Tested clean
Download Ranking
in Educational
#3 of 34
3.8 out of 5 based on 8 ratings.

Educational Downloads

  1. LTspice IV Create schemes to simulate switching regulators
  2. Typing Master An adaptive touch typing tutor to learn personal and professional typing skills
  3. Listen N Write Listen N Write can be used to play and transcribe audio and video recordings
  4. Zyzzyva A word study program for SCRABBLE enthusiasts
  5. ABC Timetable Create and print timetables for school and other activities!