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Buckling, ultimate strength and local strength assessment modules are integrated into the Direct Structural Analysis(DSA) system for the evaluation of hull structure safety. In this integrated system, the wave data of sea route is used for the analysis of very large ship and special purpose vessel. In addition, whole ship analysis and fine-mesh analysis are carried out on the following. |
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 Yield strength
Buckling strength
Ultimate strength
Local strength |
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The methods for fatigue life assessment applied in KR consist of one based on KR's Rules and the other based on direct structural analysis.
The method based on KR Rules is the simplified fatigue analysis method by which the fatigue life at the design stage can be calculated with ease. The method based on direct structural analysis includes methods such as spectral fatigue analysis method, design wave method and stress influence coefficient method, etc. |
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Simplified fatigue analysis method
Spectral fatigue analysis method
Design wave method
Stress influence coefficient method |