Dynamic Mechanical Responses and Freezing Strengthening Mechanism of Frozen Sandstone with Single Flaw: Insights from Drop Weight Tests and Numerical Simulation

Ma, Ke; Ren, Fuqiang; Wang, Han; Li, Limin; Wu, Di

doi:10.1007/s00603-023-03614-7

Rock Mech Rock Eng

2023

DOI: 10.1007/s00603-023-03614-7

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Dynamic Mechanical Responses and Freezing Strengthening Mechanism of Frozen Sandstone with Single Flaw: Insights from Drop Weight Tests and Numerical Simulation

Ke Ma,

Fuqiang Ren,

Han Wang

et al.

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Cited by 3 publications

References 49 publications

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Investigation on the Dynamic Cracking Mechanism of Sandstone with an Ice-Saturated Flaw Based on Drop Weight Tests

Zhu,

Li,

Xiansen

et al. 2024

Rock Mech Rock Eng

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Investigation on the Dynamic Cracking Mechanism of Sandstone with an Ice-Saturated Flaw Based on Drop Weight Tests

Zhu,

Li,

Xiansen

et al. 2024

Rock Mech Rock Eng

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Numerical simulations of floating offshore wind turbines with shared mooring under current-only conditions

Tian,

Shi,

et al. 2025

Renewable Energy

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Local Structure Optimization Design of Floating Offshore Wind Turbine Platform Based on Response Surface Analysis

Ren,

Huang,

Hao

et al. 2024

Energies

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The floating platform is a critical component of the floating offshore wind turbine (FOWT), and its internal structure design plays a key role in ensuring the safe operation of the FOWT. In this study, the local model of the floating platform was firstly parameterized, and a response surface model was obtained by conducting an orthogonal test. The response surface model was then optimized using a gradient descent algorithm. Finally, the internal structure arrangement was validated through a safety calibration. The optimization results indicate that the maximum stress of the optimized model is reduced by 22.12% compared to the original model, while maintaining the same mass, centroid, and other mass-related parameters. The optimization significantly improves the safety of the structure and provides valuable references for the design and construction of a FOWT platform.

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Dynamic Mechanical Responses and Freezing Strengthening Mechanism of Frozen Sandstone with Single Flaw: Insights from Drop Weight Tests and Numerical Simulation

Cited by 3 publications

References 49 publications

Investigation on the Dynamic Cracking Mechanism of Sandstone with an Ice-Saturated Flaw Based on Drop Weight Tests

Investigation on the Dynamic Cracking Mechanism of Sandstone with an Ice-Saturated Flaw Based on Drop Weight Tests

Numerical simulations of floating offshore wind turbines with shared mooring under current-only conditions

Local Structure Optimization Design of Floating Offshore Wind Turbine Platform Based on Response Surface Analysis

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