The Suspensions library is full of experiments that test the full vehicle dynamics. However, it can be very difficult to validate models using full vehicle experiments, such as the common Kinematic and Compliance (KnC) test. This kind of test, as the name suggests, details the suspension kinematics (force and...
Tag Archive for: vehicle dynamics
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...
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...
Claytex has taken a historic approach to working with a major UK-based OEM to address some complex system architecture and controller design issues around EV thermal management. Optimising the thermal management of an EV is a complex multi-physics problem. Particularly in cold climates during a cold start, occupants of...
What is an Instant Centre A suspension linkage’s Instant Centre is an “imaginary” pivot around which the hub is “rotating” at a given moment. This is because when the hub moves up and down relative to the body, there is normally some rotation around the longitudinal and lateral axis....
There are many ways to simulate a vehicle following a driving line, but the most realistic results are gained using a driver model. However, a driver model conventionally uses a line to follow, either created from scratch or using reference data. The difficulty is creating a realistic driving line...
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...
To the uninitiated, the Indy 500 seems like a simple event. 200 laps (500 miles) around the Indianapolis Motor Speedway, a 2.5 mile long banked oval circuit using single-seater, open wheel IndyCars. Sounds simple enough, doesn’t it? Well… it isn’t. As with any top level Motorsport, drivers straddle the...
There is a lot of effort being put into the development of virtual test environments for ADAS and AV. One aspect that seems to be ignored by many is the need for high fidelity road models and vehicle dynamics models. Whilst in the early stages of the development of...
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