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Useful Keyboard Shortcuts and Commands
The following list of Keyboard Shortcuts and Commands are used on a daily basis. Note, this list is not exhaustive, see Dymola User Manuals for more information. Shortcuts: Check Syntax and Format = Ctrl + L Check Model = F8 Code Completion = Ctrl + Space Duplicate = Ctrl...
How can I make my models run faster?
Improving model efficiency and lowering run times: There are 4 common causes of slow-running models: Poor initialisation values Large number of events during simulation Large number of non-linear systems of equations in model Large numbers of numerical jacobians in model Poor Initialisation Poor initialisation values can lead to slow...
Exporting models for co-simulation in other tools
With the release of Dymola 2012 it is now possible to compile models to the FMI standard for co-simulation. This means that a model built in Dymola can be compiled with an open standard interface and coupled to other simulation and integration tools. Dymola uses the SUNDIALS suite of...
Dymola 2012 released
Dassault Systemes have announced the release of Dymola 2012. This release includes the following enhancements: Enhanced model inspection to see inherited components Improved plotting with more options for customising the appearance Export to FMI for co-simulation (exports simulation module with integrated numerical solver) Support for Modelica 3.2 and Modelica...
Dymola modelling technology helps to create next generation of low carbon vehicles
WMG, formerly Warwick Manufacturing Group at the University of Warwick, is using Dymola modelling technology to help develop the next generation of low carbon vehicles. The programme, part of the £29 million West Midlands-based Low Carbon Vehicle Technology Project (LCVTP), is an advanced research project which will ensure Britain’s...
How to simulate a model multiple times with different parameter values
Here are 2 examples of how you can simulate a model multiple times using different parameters values in Dymola, also referred to as batch running, and often used to run sensitivity sweeps. For the purpose of these examples a simple test model, Test1.mo, will be used. The Modelica text...
Resizing the Diagram layer
By increasing the size of the diagram layer we gain more space to layout graphical model diagrams. To change the size of the diagram follow these steps: Select the class whose diagram layer you wish to resize by double clicking on it in the package browser In Modelling mode,...
How to restart a simulation from a given state
How to restart a simulation from a given state Often it is useful to be able to repeatedly restart a simulation from a given state. This is useful when we have a model that needs to simulate for a significant amount of time to reach a stable operating point...
Changing the default font size in Dymola
To change the default font size in Dymola Locate the dymodraw.ini file in your Dymola installation insert directory Open dymodraw.ini in note pad or similar editor and change/add the string: Dymola5basefontsize 12 for example for font size = 12 This will affect the font size in menus and windows...
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