Carrying on from the previous post on the Introduction to System Modelling Before Building Models, which details preparing to build a system, this post will focus on what to consider when building models and systems. Where to Start? It can be very difficult to know where to start making...
Archive for category: Getting started guides
In this blog post I look at the Dymola setup settings, how you edit them and where they are stored. There are lots of options available to personalise your Dymola setup; I won’t cover the detail of all the settings here, but by knowing where to edit them and...
This is the first in a series introducing the best approach, preparation and practice when system modelling. This post specifically investigates what you should consider before you start modelling. Modelling a system can be a difficult task to get right. There are many things to consider before approaching a...
Over the years I have come to realise that there are misunderstandings about what Dymola and the modelling language Modelica are and how they relate to one another. This blog post seeks to address the confusion. Dymola (DYnamic MOdelling LAboratory) is a user interface and Modelica language compiler owned...
It is good coding practice to store files used by a library in a Resources folder. This post looks at the typical Resources folder structure, the advantages of using the Resources directory and how to reference files in the Resources folder. What is the “Resources” folder? When creating a...
This week we will show you how to insert a state-of-the-art Lidar device within the virtual environment of rFpro. This will allow a user to easily stream and visualize the sensor output on any PC or storage device. The Velodyne HDL-32E is the latest Lidar device to be added...
In Dymola 2019 FD01, it has been made easier than ever to carry out a parameter sweep study. There is indeed an integrated capability in the software and its interface has been improved in this latest release. Let’s have a look at an example. Let’s run the example DoublePendulum...
When building a model, it’s important to remember that the majority of parameters and variables we add are not just real numbers but represent physical quantities. So, to add physical meaning to the parameters and variables in our models we should make use of unit types. Doing this will enable...
When building up a library in Modelica it is often handy to use aliases to clean up your code. Aliases to frequently used classes can help simplify the code and help its readability. The Modelica import statement is how one creates aliases in Modelica. One implementation that we often...
This blog post is a continuation from a previous post on the Modelica Language. This blog post focuses on the syntax used in equations and algorithms and the difference between the two. Calculations Equation Sections Models and blocks primarily use an equation section to define the calculations of the...
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