We recently conducted a technical investigation into the systems modelling approach to train simulation. This blog post will cover what was created and outline the capabilities and next steps that it could be expanded upon. Basis of the library We used the VeSyMA library as a base, this provided...
Tag Archive for: VeSyMA – Suspensions
The Claytex team was posed a question recently; “How easy would it be to create an articulated truck model with what we’ve got already?” My immediate thought was that it should be easy. The dynamics are no different from a conventional car and trailer and apart from a couple...
The majority of vehicle simulations are for vehicles in optimal or close to optimal conditions. However, evaluating the vehicle which is in a worn condition can severely inhibit its performance and greatly increase peak loads. This can accelerate the degradation of the bushes further, and also cause dangerous handling...
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...
When creating a vehicle, one of the first things you need to establish is the origins and coordinate systems. This is the seed from which the rest of the vehicle grows from and it’s always best to know which direction is up. Further complications can arise when you’ve got...
Two weeks ago, the Claytex tech blog considered the role simulation must play in modern automotive development in a conceptual way. But what does that look like in context? How can VeSyMA be integrated into OEM workflows? Existing structures need updating for modern vehicles First, we must understand the...
Following Adam’s great Introduction to the Scenario Editor, the next step is to use the output to create a simulation. For that I need to elaborate on the test sequence driver. The test sequence driver is found within VeSyMA – Suspensions and is a type of closed loop driver...
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