Global topology of failure surfaces of metallic foams in principal-stress space and principal-strain space studied by numerical simulations
Failure surfaces of foam materials in the principal-stress/strain space are quite different from
those of dense materials. They cannot be deduced directly by several simple tests such as …
those of dense materials. They cannot be deduced directly by several simple tests such as …
Global topology of yield surfaces of metallic foams in principal-stress space and principal-strain space studied by experiments and numerical simulations
There are multiple controversies regarding the yield surface of metallic forms, and the
primary cause is that the characterizations are summarized by notably scarce yield points in …
primary cause is that the characterizations are summarized by notably scarce yield points in …
Modeling and computing parameters of three-dimensional Voronoi models in nonlinear finite element simulation of closed-cell metallic foams
Modeling and computing parameters in nonlinear finite element simulations significantly
affect simulation accuracy and efficiency even when it is carried out using commercial …
affect simulation accuracy and efficiency even when it is carried out using commercial …
Strain rate effect on mechanical properties of the 3D-printed metamaterial foams with tunable negative Poisson's ratio
D Gao, B Wang, H Gao, F Ren, C Guo, S Ma… - Frontiers in …, 2021 - frontiersin.org
As a kind of metamaterial, the negative Poisson's ratio foams, which expand (shrink) in the
transverse direction when stretched (compressed) in the longitudinal direction, have many …
transverse direction when stretched (compressed) in the longitudinal direction, have many …
Numerical study of the shape irregularity gradient in metallic foams under different impact velocities
The properties of metallic foams are closely related to the average pore size, relative density
and degree of the shape irregularity in the meso-structure. In this paper, gradient metallic …
and degree of the shape irregularity in the meso-structure. In this paper, gradient metallic …
[PDF][PDF] 基于3D Voronoi 模型形状不规则度组合梯度泡沫金属的动态冲击力学性能研究
胡和平, 刘希文, 张晓阳, 孙耀威 - 南华大学学报(自然科学版), 2021 - nhqks.cnjournals.com
泡沫金属的力学性能与其细观结构参数密切相关. 四个形状不规则度参数梯度组合的3D Voronoi
结构模型被用于开展动态冲击数值仿真实验, 探究不同冲击速度下形状不规则度梯度组合类型对 …
结构模型被用于开展动态冲击数值仿真实验, 探究不同冲击速度下形状不规则度梯度组合类型对 …
Numerical analysis on usability of SHPB to characterize dynamic stress–strain relation of metal foam
Split Hopkinson pressure bar (SHPB) technique is the most important test method to
characterize dynamic stress–strain relations of various materials at different strain rates, and …
characterize dynamic stress–strain relations of various materials at different strain rates, and …
Interval Identification of Thermal Parameters Using Trigonometric Series Surrogate Model and Unbiased Estimation Method
X Wang, W He, L Zhao - Applied Sciences, 2020 - mdpi.com
Featured Application In this study, firstly, we proposed a novel modelling methodology for
metal-foam materials in low porosity, which can simulate the actual geometry simply and …
metal-foam materials in low porosity, which can simulate the actual geometry simply and …