As an example of a 2D hatch cover analysis, the wireframe of a Multi-Purpose vessel is shown. This example from our Naval Architects present a 2D wire frame, to undertaken large FE structure analysis. The Naval architects use this 2D model for rigorous analysis. This includes many real-life scenarios that occur when transporting heavy loads. The re-creation of the hatch-cover, tween-deck or the lower-hold of a vessel is commonly undertaken within MBM team of Naval Architects. The final results of the Hatch Cover analysis confirm the structural integrity to transport cargo’s in sea going conditions.
• Stage 1 – The Naval Architect requests the Drawings.
The Naval Architect defines the model using the scantling drawings of the hatches.
• Stage 2 – Confirmation of dimensions from drawings with a Hatch Survey on the vessel.
The Naval Architects regularly attend a visit the vessel. This is to confirm the scantling drawings provided.
This process will ensure the model is satisfactory:
After that the Naval Architect has the full set of hatch information. Allowing the Naval Architect to create and analyse the hatch-covers.
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Then the Naval Architect has the full set of hatch information. Allowing the Naval Architect to create and analyse the hatch-covers.
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Similarly, the Naval architect can analyse as a singular pontoon to speed up the computation process-
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• Stage 4 – Therefore the model is now subject to state-of-the-art FE-Analysis.
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In conclusion the Naval Architect continually undertakes assessment of the hatch-covers and tween-decks for Heavy lift cargo. This is to assess deflections and material properties for loading conditions and sea going forces. In addition, there are different types of analysis that can be performed. This is not limited to stress, strain, and buckling scenarios. All these will occur from impact conditions caused from slamming.
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