Our papers are the official record of our discoveries. They allow others to build on and apply our work. Each paper is the result of many months of research, so we make a special effort to make them clear, beautiful and inspirational, and publish them in leading journals.

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  • Imperfections in a two-dimensional hierarchical structure

    Fractals

    DRYMRFR. Farr Physical Review E

    Structural imperfections

    Fractal structures need very little mass to support a load; but for current designs, this makes them vulnerable to manufacturing errors.

  • Optimization of fractal space frames under gentle compressive load

    Fractals

    DRYMRFR. Farr Physical Review E

    Gentle loads

    The most efficient load-bearing fractals are designed as big structures under gentle loads, a common situation in aerospace applications.

  • Ultralight fractal structures from hollow tubes

    Fractals

    DRYMRFR. Farr Physical Review Letters

    Ultralight fractal structures

    The transition from solid to hollow beams changes the scaling of stability versus loading analogously to increasing the hierarchical order by one.

  • Hierarchical space frames for high mechanical efficiency: Fabrication and mechanical testing

    Fractals

    DRYMRFR. FarrJS Mechanics Research Communications

    Hierarchical space frames

    A systematic way to vary the power-law scaling relations between loading parameters and volume of material aids the hierarchical design process.