Browse/search for people

Publication - Dr Rainer Groh

    Shape Control for Experimental Continuation


    Neville, RM, Groh, RM, Pirrera, A & Schenk, M, 2018, ‘Shape Control for Experimental Continuation’. Physical Review Letters, vol 120.


    An experimental method has been developed to locate unstable equilibria of nonlinear structures quasistatically. The technique involves loading a structure by the application of either a force or a displacement at a main actuation point while simultaneously controlling the overall shape using additional bidirectional probe points. The method is applied to a shallow arch, and unstable segments of its equilibrium path are identified experimentally for the first time. Shape control is a fundamental building block for the experimental - as opposed to numerical - continuation of nonlinear structures, which will significantly expand our ability to measure their mechanical response.

    Full details in the University publications repository