A few weeks back, I was pondering what to write this blog post about. I’m often drawn to thinking about how we define simulation models in terms of building them, in terms of overall philosophy and approach. Unsurprisingly as an engineer, I played with Lego a lot when growing...
Tag Archive for: Modelica
A month ago I saw a news article about the re-discovered remains of an experimental aircraft catapult that was unearthed just outside oxford. As I read I thought it would be an interesting combination of realms of simulation that we could easily model and set myself a challenge to...
Previously on the Claytex Tech blog, we introduced the MultiRun tool, and ran through how to get the tool set up and running. Based on a similar concept to the Regression Tool, MultiRun supports the automated parallelised running of Dymola models on a machine. What this means is that...
With the exponential introduction of autonomy, especially in vehicles, comes the increased need to test controllers under edge case scenarios. AVSandbox deals with edge cases in the environment around a vehicle; but there also needs to be consideration of edge cases within the vehicle; particularly to test and train...
This blog post seeks to explain the licensing options available for Dymola and Modelica libraries. License length Nodelocked vs Network/shareable If your company has purchased multiple licences of Dymola and Modelica libraries at different dates during the year, these can be aligned for you so the renewals all occur...
When running a model as part of Hardware in the Loop (HIL) testing it is important that the model simulates fast enough so that overruns do not occur. Unfortunately when events occur this can cause a model to run significantly slower for that simulation time. A workaround is to...
Lookup tables are a common sight in simulation, taking various forms; 1D, 2D and even 3D, depending on the number of inputs required to determine the output. Each element of a supplied data set is determined relative to inputs; when the lookup table is queried with an input, interpolation...
Hidden away near the end of the Dymola manual are details of Dymola’s HTML report generator. Using an HTML page in a browser as an interface, Dymola can send, and receive, information and commands from a page opened in the browser of a user’s PC. This report page is built...
The recent Dymola 2023x Refresh 1 release provides a number of new features and improvements. I’m going to talk about a new built-in function which you may have missed, getDependentLibraries, that I’ve been using to check our libraries’ dependencies. Modelica Library Dependencies There are many Modelica Libraries available, covering...
Managing Editor of Future Vehicle magazine, Steve Welch, interviewed Mike Dempsey, Managing Director, and Alessandro Picarelli, engineering Director, of Claytex prior to the Future Propulsion Conference 2023. Better products, faster The past year has seen Claytex complete some high-profile simulation projects in all areas of high performance automotive. Simulation is...
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