ZHANG Yi-fen, ZHAO Long-mao. A numerical simulation on the deformation of heterogeneous metallic foams subjected to impact loading[J]. Explosion And Shock Waves, 2006, 26(1): 33-38. doi: 10.11883/1001-1455(2006)01-0033-06
Citation:
ZHANG Yi-fen, ZHAO Long-mao. A numerical simulation on the deformation of heterogeneous metallic foams subjected to impact loading[J]. Explosion And Shock Waves, 2006, 26(1): 33-38. doi: 10.11883/1001-1455(2006)01-0033-06
ZHANG Yi-fen, ZHAO Long-mao. A numerical simulation on the deformation of heterogeneous metallic foams subjected to impact loading[J]. Explosion And Shock Waves, 2006, 26(1): 33-38. doi: 10.11883/1001-1455(2006)01-0033-06
Citation:
ZHANG Yi-fen, ZHAO Long-mao. A numerical simulation on the deformation of heterogeneous metallic foams subjected to impact loading[J]. Explosion And Shock Waves, 2006, 26(1): 33-38. doi: 10.11883/1001-1455(2006)01-0033-06
A two-dimensional nonlinear mass-spring-bar model is presented in this paper to simulate the deformation of metallic foams with heterogeneous density in layers or in local regions. The metallic foam is modeled as an array of discrete lump masses linked with elastic-plastic springs in the loading direction and constrained by hinged extensible rods transversely to the loading direction. The effects of the heterogeneity in metallic foams on their deformation under impact have been analysed.