Simgua
Simgua 3.7.7.3.1630
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(1) 5

Modeling tool similar to VenSim or STELLA, solves complex simulations.   Shareware ($64.00)
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Simgua is a powerful modeling tool similar to VenSim, PowerSim or STELLA that can solve complex simulation problems with surprising ease. Simgua's foundation is an intuitive flow and stock principle. Stocks - or reservoirs - of some material are connected by a series of flows. The stocks can contain any material - water, air, dollars, or even chickens - and the quantity of the flows are specified by the user using mathematical equations or formulas. This seemingly simple base can be used to model incredibly complex systems including the following:

Environmental Models:
What's New
Version 3.7.7.3.1630:
  • Ability to adjust model parameters and flows during a simulation
  • Ability to restrict stocks to only positive values
  • Improved method of entering units in equations (e.g. "{4 Meters}")
  • Additional minor feature enhancements and stability improvements
Requirements
  • Intel/PPC
  • Mac OS X 10.4 or later
  • Apple's free X11 application must also be installed.



MacUpdate - Simgua



Simgua User Discussion (Write a Review)
ver. 3.x:
(1)
Your rating: Now say why...
Overall:
(2)

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burypromote
+2

+74

Dylan-Mc reviewed on 12 Nov 2009
I like Simgua quite a bit. A few months ago I bought the educational version to teach myself system dynamics in order to do some volunteer teaching at my children's elementary school. The documentation is good - gets you going from scratch, and gives a decent introduction to system dynamics overall. The interface is a bit clunky - the graphical view is for display-only -- editing is not WYSWIG, but it works fine. Updates are coming regularly, and each one adds powerful analyses or features. The educational price is very good. Since I haven't used STELLA, I don't know how the features compare, but the full price of STELLA is over twice that of Simgua.
[Version 3.4]


burypromote
-1

-1
Zozette commented on 24 Oct 2009
Simulation tool for so called system dynamics problems.
Simgua is not so easy to use. You cannot interact graphically with flow, stock and links icons... Compare with STELLA or MADONNA.
Simulation is slooooow (try Runge Kutta 4th order).
No ps or eps or pdf graphics. It's not serious!
The only choice to export results is Excel but the resulting .xls file makes open office hang.
Simgua crashes continually. Amateurish work.
$860.0: is this price a joke!
[Version 3.3]


burypromote
+2

+3

a.krzyzak reviewed on 02 Jan 2009
Strong start. Has some pros and cons compared to other programs in this field.
[Version 2.0]


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Downloads:6,155
Version Downloads:859
Type:Education : Science
License:Shareware
Date:28 Aug 2010
Platform:PPC 32 / Intel 32 / OS X
Price: $64.00
Overall (Version 3.x):
Features:
Ease of Use:
Value:
Stability:
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Simgua is a powerful modeling tool similar to VenSim, PowerSim or STELLA that can solve complex simulation problems with surprising ease. Simgua's foundation is an intuitive flow and stock principle. Stocks - or reservoirs - of some material are connected by a series of flows. The stocks can contain any material - water, air, dollars, or even chickens - and the quantity of the flows are specified by the user using mathematical equations or formulas. This seemingly simple base can be used to model incredibly complex systems including the following:

Environmental Models:
  • Water and Wastewater Treatment
  • Air Treatment
  • Pollutant Transport
  • Ecological Models
Other Models:
  • Models of Industrial Processes
  • Economical Models
  • Demographic Models


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