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The Wind Load Analysis of a Cable Net Structure

The response analysis of a large cable net bearing wind load is conducted by the nonlinear finite element method. First, the form-finding calculation of the cable net structure is carried out to find an equilibrium state which can make the pretensions and sags of the wires meet the given requirements. Then the static analyses of the finite element model of the cable net structure under different wind loads are conducted to assess whether the cable net structure meets the requirements for strength. The work of this paper establishes the foundation for the design of a large cable antenna.