This blog post seeks to raise awareness of how objects such as visualisers/visualizers reference global settings that can be enabled and adjusted from within the Animation Setup and World objects within Dymola. Often we want to be able to visualise the application of forces and torques to better understand...
This blog post seeks to clear your doubts on managing libraries and models. When should we Load or Open a library? When should we use Save All, Save or Save Total? Using the right option for what you are wanting to achieve can save you and other colleagues and...
This post looks at automating pre-processing of .mat files within the Modelica model. Differing formats Occasionally the data you have is not in the format required by the Modelica model. So, the data will have to be pre-processed. This can be done by pre-processing all the data. Alternatively this...
Before getting involved in advanced ways of modelling we need to make sure the basics are in place. The better we set out the class in the first place, the easier our lives will be later on in the modelling. I have written blog posts in this area in...
There are several libraries that provide elemental components such as common multibody joints, mathematical blocks, functions and electrical components. These, in my opinion, can be one of the most useful types of libraries in any application. This is because they are not designed for any particular application; they are...
I was asked this question a few years ago: “What’s the point of writing a model using an acausal modelling language if when it is compiled it ends up as procedural code?”. The “point” is exactly what happens when the acausal model is reformulated into procedural code. There-in lies...
In the previous post An Ideal Continuously Variable Valve Duration, an ideal continuously variable valve duration model was created. This model was useful for understanding how a CVVD model works however it was slow because it introduced nonlinear systems of equations. This post looks at modifying this model to...
This post has a closer look at the different inlining options: Inline, LateInline and InlineAfterIndexReduction as described in the Modelica Specifications in Section 8.3. The post describes how these inlining options differ and gives some extra details about how this inlining has been implemented in Dymola. What is inlining?...
While developing libraries there are many ideas that dawn on me that are normally accompanied by the phrase “How hard could it be to….”. This is the result of one of those thoughts. While developing ground contact models for our VeSyMA – Motorsports, 1D and 2D tests were created...
To the uninitiated, the Indy 500 seems like a simple event. 200 laps (500 miles) around the Indianapolis Motor Speedway, a 2.5 mile long banked oval circuit using single-seater, open wheel IndyCars. Sounds simple enough, doesn’t it? Well… it isn’t. As with any top level Motorsport, drivers straddle the...
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