Progressive Damage Analysis for Multiscale Model of Linerless Composite Cryotank and Integrated Design
- 1 March 2022
- journal article
- research article
- Published by American Institute of Aeronautics and Astronautics (AIAA) in AIAA Journal
- Vol. 60 (3), 1873-1882
- https://doi.org/10.2514/1.j060925
Abstract
Linerless composite cryogenic tank is significant for weight reducing in launch vehicles, and a microscopic-to-macroscopic model is presented in this paper to capture the burst behaviors of the carbon-fiber-reinforced-composite cryotank. The hierarchical framework starts from the material components (carbon fiber and matrix) at microlevel, filament winding layups at mesolevel, and pressure tank at macrolevel. The locally exact homogenization theory is first introduced to generate stiffness degeneration coefficients with matrix crack and fiber fracture failure, which is compared with previous literature and good agreements are obtained. And 1° finite element representative model is then established considering spiral filament winding, and progressive damage analysis is finally conducted based on Hashin and Maximum stress criteria complied with ANSYS Parametric Design Language. In addition, the thermodynamic analysis is demonstrated by considering the integrated design structure with a corrugated sandwich cylindrical shell under multiple physical fields. The proposed multiscale model provides references for fuel cryotank design from a microscopic perspective to predict the burst pressure.Keywords
Funding Information
- The Science Foundation of the National Key Laboratory of Science and Technology on Advanced Composites In Special Environments
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