How do we decide which technologies to adopt for our next zero emissions vehicle? Mike Dempsey, Managing Director of Claytex We are living through a technological revolution. The internal combustion engine, at least as we know it, is dead. Every automotive manufacturer is now locked in a race against...
Continuously Variable Valve Duration (CVVD) is a method to vary the valve duration of an internal combustion engine. Recently CVVD technology has been implemented by Hyundai in their 1.6 T-GDi engine. This post creates a representation of the system and examines the results of this model. The model The...
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...
This blog post describes the procedures required to build FMUs from Dymola models and run the FMUs in both Dymola and Simulink. In this way Dymola models can be tested and run together with other models or controllers in Simulink. An engine model has been used to demonstrate the...
In the Autumn release of the VeSyMA-Engines library, there are some new features included with regards to the air path (intake and exhaust) , the combustion modelling and the mean value engine model. An engine model is created with combined Mean Value Engine Model (MVEM) for air path (intake...
This blog post describes a procedure to debug a crank-angle resolved engine model (CAREM) in Dymola. It helps narrow down to the cause of the problem in case the engine runs but does not produce the expected results. A CAREM is a multi-domain (mechanics, fluids, thermal, electrical) model so...
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