Synchronizing push swings, by the participants controlling the force that they apply at the top of the swing
Synchronising push swings
Tag Archive for: Dymola
Dymola 2022x Available
Dassault Systemes have announced the availability of a new version of Dymola. The key highlights of Dymola 2022x release are: Additions and improvements in Dymola Visualization of Modelica class hierarchies Steady state solver interface Improvements of plotting Improved warning for unconnected physical connectors Improvement of the explicit Runge-Kutta solver Option to activate parallel Jacobian...
Simulating models with dsu.txt inputs
A lesser known feature in Dymola is the ability to simulate a model that has inputs and assign the inputs from signals stored in the dsu.txt file. This is a useful feature when replaying models used in hardware in the loop testing. Simulating a model with unassigned inputs If...
How to build an adaptable model
One advantage of Dymola and Modelica which is often talked about is the ability to build flexible and adaptable models. Models that, with the minimum preparation, can be used for a different task or have their effects change swiftly, following a simple reparameterisation. But how is that achieved? This...
Reading Dymola Results to Python without Dymola
There is a Python interface with Dymola shipped with every version of Dymola. Users can control Dymola with a wide variety of function calls that can load, create, simulate and read results from Dymola models. But when a limited number of licenses are available it can be very inefficient...
Run dymosim.exe from the command line
In the Dymola compilation process the Modelica model is translated and a dymosim executable file is created. This blog post looks at how this dymosim executable can be called directly from the Windows cmd or from the Linux terminal. This information is in the Full Dymola User Manual Section...
How to solve your own nonlinear equation
Whilst Dymola is good at solving nonlinear equations in models automatically, this post has a look at how to create a function that solves a nonlinear equation. A useful tool when required, as well as a way to get further insight into how nonlinear equations are solved. Why solve...
Revealing Hidden Content in Dymola
Modelica and Dymola provide library developers with methods to hide content from their users; some of which were discussed in this previous post Dymola Library Concealment – How to, and why? – Claytex. As developers we may use these concealment methods to protect our intellectual property, or we may...
Calculating partial derivatives of a model
Calculate partial derivatives of a Modelica model in Dymola.
Calling a Modelica Script from a Function
Modelica scripts (.mos) are very useful. Alongside similarities to the Windows “batch” script of interactive commands, they can be used to store any interactive event. Some common uses of scripts can be to store useful sequences of commands, as is the case of plot scripts, or to set Advanced...
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