One advantage of Dymola and Modelica which is often talked about is the ability to build flexible and adaptable models. Models that, with the minimum preparation, can be used for a different task or have their effects change swiftly, following a simple reparameterisation. But how is that achieved? This...
EV manufacturers are turning towards total vehicle simulation technology to assist inefficient development of vehicles. If automotive OEMs can be provided with the information to understand and quantify vehicle designs, as well as conceive and calibrate software before a single prototype is created, then waste is reduced and better designs...
There is a Python interface with Dymola shipped with every version of Dymola. Users can control Dymola with a wide variety of function calls that can load, create, simulate and read results from Dymola models. But when a limited number of licenses are available it can be very inefficient...
In the Dymola compilation process the Modelica model is translated and a dymosim executable file is created. This blog post looks at how this dymosim executable can be called directly from the Windows cmd or from the Linux terminal. This information is in the Full Dymola User Manual Section...
Autonomous Vehicle Safety Series (AVS #) The industrial application of Automated Vehicles is becoming ever more feasible. As the excitement of innovation wanes, the safety and reliability become the focus. Delivering a reliable and safe AV service can be achieved, when a safety-oriented culture creates an environment where multiple...
One of the benefits of VeSyMA, and simulation in general, is the ability to answer “what if” questions using predictive models in experiments such as drive cycles. Sensitivity testing is a common and effective method of study. One parameter of a model is varied, with all others kept static,...
This blog post seeks to inform the user of the thought process behind model and library selection for a particular application. There are many application libraries that are available for Dymola and users often wonder which libraries and models within them they should use. I have witnessed on many...
Whilst Dymola is good at solving nonlinear equations in models automatically, this post has a look at how to create a function that solves a nonlinear equation. A useful tool when required, as well as a way to get further insight into how nonlinear equations are solved. Why solve...
Modelica and Dymola provide library developers with methods to hide content from their users; some of which were discussed in this previous post Dymola Library Concealment – How to, and why? – Claytex. As developers we may use these concealment methods to protect our intellectual property, or we may...
Sign Conventions, for variables with a positive and negative direction, are common place in the engineering world. VeSyMA is no different, with many commonly used variables adhering to a sign convention. Most of the time, VeSyMA follows the ISO (International Organisation for Standardisation) standard for a variable or quantity...
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