Large Deformation Simulation of Pressure Sensitive Adhesives, Part I: Viscoelastic Analysis by Eulerian Solution

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  • 粘着剤の大変形シミュレーション(第1報：オイラー型解法による粘弾性解析)
  • ネンチャクザイ ノ ダイヘンケイ シミュレーション ダイ1ポウ オイラーガタカイホウ ニ ヨル ネンダンセイ カイセキ

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Abstract

A large deformation simulation for pressure sensitive adhesives is descried. This paper focuses on viscoelasticity, which is a fundamental material characteristic of the pressure sensitive adhesive, and reports an Eulerian solution to simulate large deformation behavior of viscoelastic material. Thecomputational mesh control can be divided into Lagrangian and Eulerian solutions. Although the Lagrangian solution has been generally adopted for simulation of the pressure sensitive adhesive, the highly distorted Lagrangian mesh cannot retain numerical accuracy. This paper applies the Eulerianfinite element method to large deformation dynamics of pressure sensitive adhesives, and verifies the advantages of the present formulation by using various computational examples.

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