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Origin of Unusually High Rigidity in Selected Helical Coil Structures

David Tománek, Arthur G. Every
2017 Physical Review Applied  
Using continuum elasticity theory, we describe the elastic behavior of helical coils with an asymmetric double-helix structure and identify conditions, under which they become very rigid. Theoretical insight gained for macro-structures including a stretched telephone cord and an unsupported helical staircase is universal and of interest for the elastic behavior of helical structures on the microand nanometer scale. PACS numbers:, 62.25.Jk
doi:10.1103/physrevapplied.8.014002 fatcat:2hecjzaupfgppifbepyslmox5i