Last year as part of the 2022.1 release of the VehicleDemos library, Claytex added a Hydrogen Fuel Cell Electric (FCEV) bus model. Created out of the existing EV bus example, it showcased integrating models from the Hydrogen Library with VeSyMA vehicle models. Ambitiously, a high level of detail was...
Tag Archive for: Modelica
The Suspensions library is full of experiments that test the full vehicle dynamics. However, it can be very difficult to validate models using full vehicle experiments, such as the common Kinematic and Compliance (KnC) test. This kind of test, as the name suggests, details the suspension kinematics (force and...
Sometimes it is useful to be able to determine the derivative of a function, for example when you require to use the derivative of the function directly. This post looks at how you can use Dymola to determine this for you while going through an example. Why calculate the...
A few years ago, I wrote a blog post about writing tidy code, pointing out that it’s a good idea to be disciplined when laying out a code layer. After all, you (or someone else) will be coming back to look at this code in the future, so laying...
A couple of weeks ago, I wrote a blog post about creating a simple multibody system model of an active ballast system, found on the Mercedes-Benz DTM/ITC car from the mid-1990s. It was not the only highly innovative technical development found on the DTM/ITC machines of that era. Constant...
Beyond the usual assortment of settings and flags, there are a number of useful commands and functions which tell Dymola to do various things. These can be triggered by entering them directly into the Commands window or executed via a script. At times, running models from a script can...
Claytex hosted a Dymola workshop in partnership with TECHNIA. This online session took place on 28th September, and now the recording is available to view On Demand. Get an overview of systems modelling and how to set up a virtual testing process to assess and develop your products faster...
Testing of system models coupled to autonomous and human operators is something we do a lot of at Claytex. The system models need to be both representative of the characteristics and behaviour of the real world components, in addition to being fast and robust enough to simulate with minimal...
Global connectors can be used to determine a cumulative amount of a model
When people ask me “What are the advantages of using Dymola for physical modelling over your more traditional simulation environments”, amongst other things such as automated code optimisation, I respond “It is the openness of models and the ability this gives to be able to familiarise ourselves with the...
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