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| Study on the equivalent properties of nonlinear periodic heterogeneous composite plates using the structural genome approach |
| Received:July 29, 2020 Revised:September 30, 2020 |
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| DOI：10.7511/jslx20200729003 |
| KeyWord:periodic composite plate equivalent mechanical properties structural genome |
| Author | Institution |
| 贾贻然 |
西安交通大学 航天航空学院 机械结构强度与振动国家重点实验室, 国际应用力学中心, 西安 |
| 韩灵芝 |
西安交通大学 航天航空学院 机械结构强度与振动国家重点实验室, 国际应用力学中心, 西安 |
| 雷金成 |
西安交通大学 航天航空学院 机械结构强度与振动国家重点实验室, 国际应用力学中心, 西安 |
| 刘子顺 |
西安交通大学 航天航空学院 机械结构强度与振动国家重点实验室, 国际应用力学中心, 西安 |
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| Abstract: |
| A nonlinear periodic plate structure is a promising structure in intelligent composite materials.These structures often include complex microstructures such as ribs, holes and reinforcing fibers.Due to the existence of these complex members, it is difficult to model and analyze this type of structures directly.In order to solve the problems, these structures are usually modeled as equivalent macroscopic homogeneous plates.Thus the key problem is to obtain the equivalent mechanical properties of the macro model.In this study, we propose a structural genome approach to obtain the equivalent mechanical properties of the nonlinear periodic heterogeneous plate structures.We regard the smallest structure building block of the nonlinear periodic plate structure as its structural genome.The equivalent mechanical properties can be calculated through the structural genome.This work provides a convenient approach to analyze micromechanical and overall equivalent mechanical properties of the nonlinear periodic plate structure, and the results agree very well with the analysis results of the original nonlinear periodic plate structure.Structural genome method can provide a valuable reference for the micro-mechanical research of composite materials. |
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