David Roberts (Napier University)

Dynamic response simulation
Thursday 20 November 2003 at 15.30, JCMB 6309


Laboratory simulation testing has for many years contributed significantly to the durability and quality of motor vehicles. Most sophisticated test rigs use an iterative algorithm that generates the input drive files that reproduce service environments under laboratory conditions. Essentially the algorithm solves a non-linear, multiple channel dynamic system.

In this work, the non-linear problem is recast as a system of algebraic equations. This mathematical framework allows the application of alternative numerical solution techniques. We investigate the efficacy of quasi-Newton methods, such as those based on the secant approach, including Broyden's proposal.

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