Thermal-Mechanical Coupling Damage Analysis of Material Based on PD-FEM Hybrid Model

ZENG Jinbao; JIANG Cuixiang; ZHANG Yihao

doi:10.21656/1000-0887.450006

Volume 45 Issue 10

Oct. 2024

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Article Navigation > Applied Mathematics and Mechanics > 2024 > 45(10): 1345-1358

ZENG Jinbao, JIANG Cuixiang, ZHANG Yihao. Thermal-Mechanical Coupling Damage Analysis of Material Based on PD-FEM Hybrid Model[J]. Applied Mathematics and Mechanics, 2024, 45(10): 1345-1358. doi: 10.21656/1000-0887.450006

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Thermal-Mechanical Coupling Damage Analysis of Material Based on PD-FEM Hybrid Model

doi: 10.21656/1000-0887.450006

College of Science, Wuhan University of Science and Technology, Wuhan 430065, P.R.China

Received Date: 2204-01-08
Rev Recd Date: 2024-03-01

Available Online: 2024-10-31

Publish Date: 2024-10-01

Abstract

Abstract

A new PD-FEM (peridynamics-finite element method) hybrid model method was proposed for solving thermal-mechanical coupling problems. Its solution region was divided into peridynamics and finite element subregions. The hybrid bonds introduced to mixed these two subregions were composed of finite element nodes and peridynamics material points. The hybrid model was used to simulate damage behavior of alumina ceramic plates under thermal shock loads. Calculation results showed that the cracks initiation and propagation obtained by the hybrid model were in good agreement with experiment results, which validated the accuracy and availability of the hybrid model. The PD-FEM hybrid model inherits the advantage of peridynamics in dealing with discontinuous problems. Because the finite element method is introduced, the model significantly improves the efficiency of studying thermal-mechanical coupling problems using peridynamics method.
- thermal-mechanical coupling,
- peridynamics,
- PD-FEM model,
- crack,
- damage

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References(28)

References

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