Model export is a commonly used function of Dymola. Exporting FMUs using the FMI interface is one of the most popular options, as it enables users to utilize the in-built FMI specified functionality for parametrization, time integration and other functions. Even though FMI was primarily developed to promote model...
Dassault Systemes have announced the availability of a new version of Dymola. The key highlights of the Dymola 2021 release are: New user interface The model tabs have been moved to the top of the model window. Plotting capabilities have been generalised to allow a matrix of plots in each window, and to provide...
If you’ve been using Dymola for a while you will have come across annotations, as they accompany almost every model placed onto the diagram layer. Annotations can be used in any element definition, including parameters, instances, and the whole model. But they can be used to make your models...
“2022 will see huge changes in NASCAR, with the launch of the Next Generation racecar. Simulation specialist, Claytex, has responded quickly to create and test models that will enable teams to be competitive.“ Project Engineers at Claytex were interviewed for the May 2020 issue of the ‘Vehicle Dynamics International’...
Dymola, is an extremely powerful tool and also a complex beast at heart. A vast array of features, user customisable settings, options and flags comprise the simulation environment. Sometimes, this means that a model can run perfectly well on one person’s machine, but not quite on another person’s machine...
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...
Dymola simulations can terminate before the simulation end time for a variety of reasons. One of the more common, but thankfully simple to address, error messages is that of a divide by zero error. As the name implies, this is where Dymola tries to divide one quantity by another;...
INTRODUCTION Since the creation of the internal combustion engine, engineers began to explore different paths to increase the engine power output and overall thermal efficiency. One of those paths was by precompressing the combustion air through a device which nowadays is well known in the engineering world, the turbocharger....
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...
Introducing NASCAR’s Next Generation with VeSyMA – Motorsports 2020.1 and VeSyMA – Kinematics 2020.1
In the 2022 season, NASCAR will undergo the largest technological change the sport has seen in decades. Gone will be hallmark items such as live axle “truck arm” rear suspensions, split spring damper double wishbone front suspensions, Pitman arm steering systems, Detroit locker differentials and H-pattern gearboxes. Winds of...
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