A Parametric Study of Fracture Toughness of Foamswith Tetrakaidecahedron Unit Cells

摘要

Fracture toughness of foams consisting of tetrakaidecahedron unit cells ispredicted by simulating the crack propagation using a finite element model. The inputto the model is the geometric parameters of the unit cell and tensile strength of thefoam ligament. A parametric study is performed to understand the effect of the abovevariables and also some imperfections in the repeating unit cells.