A new polarisation analyser (PA) has been developed for the I16 materials and magnetism beamline. The device accommodates 3 detectors at the end of an arm with one mounted on ultra-high resolution stages. In order to take full advantage of this state of the art equipment, the units supporting structure needs to be of minimal weight and with minimal deflection. This is not a trivial problem to solve because the detector arm rotates through an angle of 130 degrees.
Engineering design has entered a new phase in which design is informed by simulation. Topological optimisation (TO) is an example of this, to optimise material layout within specified boundary conditions. This technique combined with Additive Manufacturing (AM) technology enables weight to be reduced to a minimum compared to what may be achieved with traditional machining techniques.
This project gives an exciting opportunity to explore the limits of such an approach.
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