Application Research of Similarity Theory in Impact Test

Yang Heng; Shen Shuangquan; Guo Cong; Sun Lei; Zhu Wanxia; Li Pengzhou

doi:10.13832/j.jnpe.2022.S1.0099

Volume 43 Issue S1

Jul. 2022

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Article Navigation > Nuclear Power Engineering > 2022 > 43(S1): 99-102

Yang Heng, Shen Shuangquan, Guo Cong, Sun Lei, Zhu Wanxia, Li Pengzhou. Application Research of Similarity Theory in Impact Test[J]. Nuclear Power Engineering, 2022, 43(S1): 99-102. doi: 10.13832/j.jnpe.2022.S1.0099

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Yang Heng, Shen Shuangquan, Guo Cong, Sun Lei, Zhu Wanxia, Li Pengzhou. Application Research of Similarity Theory in Impact Test[J]. Nuclear Power Engineering, 2022, 43(S1): 99-102. doi: 10.13832/j.jnpe.2022.S1.0099

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Application Research of Similarity Theory in Impact Test

doi: 10.13832/j.jnpe.2022.S1.0099

Nuclear Power Institute of China Chengdu, 610213, China

Received Date: 2022-01-08
Rev Recd Date: 2022-02-21
Publish Date: 2022-06-15

Abstract

Abstract

In order to verify the feasibility of the similarity theory in the impact test of large-scale equipment, the key response parameters of the proportional similarity model under the specified impact load are obtained by means of the simulation calculation and analysis of the proportional similarity model and the impact test. The results show that when the impact test is carried out with parameters such as the main pulse peak acceleration and pulse width formulated according to the similarity theory, the strain test results of the same position of each model conform to the similarity theory law. This study verifies the correctness and feasibility of the similarity theory in the impact test, and can be used in the subsequent structural impact test of large equipment.
- Similarity theory,
- Proportional model,
- Simulation analysis,
- Impact test

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