DWSIM User Guide
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DWSIM User Guide
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License
Contact Information
Introduction
Introduction
Overview
Classic User Interface (Classic UI)
Classic User Interface (Classic UI)
Welcome Screen
Simulation
Compound Creator
Data Regression
General Settings
Cross-Platform User Interface (CPUI)
Cross-Platform User Interface (CPUI)
Overview
Main Interface
Configuring a Simulation
Process Modeling (Flowsheeting)
AI Features
AI Features
AI-Powered Flowsheet Analysis
AI Assistant
AI-Assisted Convergence Enhancer
Life-Cycle and Techno-Economic Analysis
Life-Cycle and Techno-Economic Analysis
Techno-Economic Analysis (TEA)
Life Cycle Assessment (LCA)
TEA/LCA Integration
Unit Operation Models
Unit Operation Models
Streams
Unit Operations
Reactors
Bioprocess Operations
Refining Unit Operations
Logical Operations
Dynamic Modeling and Simulation
Dynamic Modeling and Simulation
Introduction
Dynamic Simulation Structure and Configuration
Dynamic Simulation Flowsheet Blocks
Unit Operation Dynamic Properties
Dynamic Simulation Tools
Supported Unit Operations
Operator Training Simulator (OTS)
Technical Basis: Methods and Procedures
Technical Basis: Methods and Procedures
Introduction
Thermodynamic Properties
Transport Properties
Thermal Properties
Aqueous Solution Properties
Specialized Models / Property Packages
Reactions
Property Estimation Methods
Other Properties
Corrosion & Scaling Monitor
How-To Tutorials
How-To Tutorials
Methane Steam Reforming
Pressure-Swing Distillation
Flowsheet Control with Python Scripts
Basic Dynamic Simulation Tutorial
Advanced Topics
Advanced Topics
Python Scripting
Model Customization
Overriding Calculated Properties
Automation
Excel Add-In for Thermo Calculations
Property Package Methods and Correlation Profiles
CAPE-OPEN Subsystem
Additional Resources
Additional Resources
Online Courses and Videos
Learning Resources
Programming Help
Appendix: Analytical Thermodynamic Derivatives
Appendix: Analytical Thermodynamic Derivatives
Overview
Scope and Notation
Cubic Equations of State (PR, SRK, PR78)
Peng-Robinson-Stryjek-Vera 2 (PRSV2 and PRSV2-VL)
Chao-Seader and Grayson-Streed
Lee-Kesler-Plocker
Activity-Coefficient Models
Electrolyte Activity Models
Add-on Activity Models
Advanced Equation-of-State Packages
Use in the Flash and Column Solvers
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DWSIM - Open Source Chemical Process Simulator
User Guide
Version 10.2.11
October 2026
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