ASCEND
ASCEND is an free open-source software program for solving small to very large mathematical models. ASCEND can solve systems of non-linear equations, linear and nonlinear optimisation problems, and dynamic systems expressed in the form of differential/algebraic equations.
There is an ASCEND Overview with more information about ASCEND capabilities. Alternatively, you can look at some screenshots or some example problems solved using ASCEND.
Current version 0.9.6: Download (Windows, Linux)
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AZProcede
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ChemSep
ASCEND is an free open-source software program for solving small to very large mathematical models. ASCEND can solve systems of non-linear equations, linear and nonlinear optimisation problems, and dynamic systems expressed in the form of differential/algebraic equations.
There is an ASCEND Overview with more information about ASCEND capabilities. Alternatively, you can look at some screenshots or some example problems solved using ASCEND.
Current version 0.9.6: Download (Windows, Linux)
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AZProcede
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ChemSep
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COCO
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DWSim
About DWSIM
DWSIM is a Chemical Process Simulator for Windows. Built on the Microsoft .NET 2.0 Platform and featuring a rich Graphical User Interface (GUI), DWSIM allows chemical engineering students (and even chemical engineers) to better understand the behavior of their chemical systems by using rigorous thermodynamic and unit operations' models with no cost at all. Even better, they can see how the calculations are actually being done - DWSIM is is s that its code is available to anyone who wishes to discover the "magic" behind it or just do some browsing.
If you are familiar with Aspen HYSYS (from Aspentech) or UNISIM Design (from Honeywell), you won't have any problems using DWSIM.
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EMSO
COCO
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DWSim
About DWSIM
DWSIM is a Chemical Process Simulator for Windows. Built on the Microsoft .NET 2.0 Platform and featuring a rich Graphical User Interface (GUI), DWSIM allows chemical engineering students (and even chemical engineers) to better understand the behavior of their chemical systems by using rigorous thermodynamic and unit operations' models with no cost at all. Even better, they can see how the calculations are actually being done - DWSIM is is s that its code is available to anyone who wishes to discover the "magic" behind it or just do some browsing.
If you are familiar with Aspen HYSYS (from Aspentech) or UNISIM Design (from Honeywell), you won't have any problems using DWSIM.
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EMSO
