NUMERICAL STUDY AND EXPERIMENT OF COMPOSITE STRINGER ON COMPRESSIVE PROPERTY

Abstract

Abstract: Based on the progressive damage analysis, compressive property of composite stringer was studied with the 3D HASHIN criterion and nonlinear stiffness degradation method. By coding the user-defined material subroutine (UMAT), the application of failure criterion and stiffness degradation method were implemented in ABAQUS. With different sizes and lay-ups into consideration, three dimensional finite element models were built to analyze the compressive property and the failure process, and experimental verification was made simultaneously. For configuration 1,the result of finite element analysis was 247 kN, which agreed well with the experimental result 257 kN, verifying the reliability of the model.

Key words: numerical study, experiment, progressive damage, compressive property, stringer

CLC Number:

TB332

YE Ti, YUE Yuan. NUMERICAL STUDY AND EXPERIMENT OF COMPOSITE STRINGER ON COMPRESSIVE PROPERTY[J]. Fiber Reinforced Plastics/Composites, 2019, 0(7): 34-38.

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