A lightweight sandwich plate system (SPS) consisted of steel faceplate and polyurethane elastomer composite cores have excellent potential to be applied on the ship structure. Steel faceplate and polyurethane elastomer (PU) cores are frequently applied, but PU has a relatively high material cost. More economical material can be achieved by combining PU with fiberglass as a fiberglass reinforced polyurethane elastomer (FRPU) composite. In this study, the sandwich consisting of steel faceplate and FRPU composite core material is applied in the tanker side hull by investigating the structural performance and weight saving analysis using finite element analysis (FEA). Four sandwich side hull models using different stiffener configurations are compared with the conventional stiffened plate model. The results show the promising SPS application on structural strength and weight reduction. The remarkable stress reduction, deformation, and structural weight reduction due to SPS application are discussed. Therefore, its weight reduction can increase the ship payload so that ship operations will be cost-effective.

Original languageEnglish
Pages (from-to)1090-1098
Number of pages9
JournalJournal of Applied Engineering Science
Issue number4
Publication statusPublished - 2021


  • Polyurethane elastomer composite
  • Sandwich plate system
  • Side hull
  • Structural strength
  • Weight reduction


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