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Advanced composite grid structure (AGS) is widely used in aerospace field due to its lightweight, high specific strength, designability and other characteristics. In this paper, a composite grid with incomplete air intake is designed, and the finite element analysis of the structure is carried out using Hypermesh software. It is predicted that the compression limit load of the structure is 48KN, and the tensile limit load is 20 KN. At the same time, the grid test piece is manufactured with domestic T800G prepreg, and the compression stability—ultimate tensile load test is carried out on the grid test piece. The test results show that the grid with this configuration has perfect compression stability, and the tensile limit load is 55 KN, which meets the design requirements.

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Simulation Design and Manufacture of New Composite Grids and Mechanical Properties Analysis

  • 会议论文

  • 发表日期：

    2025年

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  • Yang Tian,
  • Zhongwen Sun,
  • Jiehui Sun,
  • Jinhai Zhu,
  • Yuan Guo

摘要

Advanced composite grid structure (AGS) is widely used in aerospace field due to its lightweight, high specific strength, designability and other characteristics. In this paper, a composite grid with incomplete air intake is designed, and the finite element analysis of the structure is carried out using Hypermesh software. It is predicted that the compression limit load of the structure is 48KN, and the tensile limit load is 20 KN. At the same time, the grid test piece is manufactured with domestic T800G prepreg, and the compression stability—ultimate tensile load test is carried out on the grid test piece. The test results show that the grid with this configuration has perfect compression stability, and the tensile limit load is 55 KN, which meets the design requirements.