Studying Ship Structures Under Explosion Loads
Author Information
Author(s): Shi Dongyan, Wang Jiuqiang, Wang Zhikai, Wasim M. K. Helal
Primary Institution: Harbin Engineering University
Hypothesis
Can the Hurst index be used to characterize the nonlinear impact response of ship stiffened plate structures under explosion loads?
Conclusion
The study successfully demonstrates that the Hurst index can be used to establish a similarity transformation relationship between model and prototype ship structures under explosive impacts.
Supporting Evidence
- The study provides theoretical and technical support for conducting analogous nonlinear response experiments for ship underwater explosions.
- Similarity experiments were conducted on both model and prototype structures to verify the effectiveness of the proposed method.
- The derived similarity transformation relationship was validated through experimental and simulation results.
Takeaway
This study looks at how ships respond to explosions and finds a way to predict how models behave based on a special number called the Hurst index.
Methodology
The study involved conducting similarity experiments on ship stiffened plate structures under underwater explosions, using the Hurst index to analyze the dynamic responses.
Limitations
The study focuses only on nonlinear responses under underwater explosion conditions, and the similarity law under other conditions needs further verification.
Digital Object Identifier (DOI)
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