Dai-Heng Chen

TL;DR: In this article, the singular stress field around a sharp notch tip is expressed as a sum of two independent fields: a symmetric field with a stress singularity % MathType!MTEF!2!1!+-% feaafiart1ev1aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn% hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqt

TL;DR: In this article, the authors studied the characteristics of the stress field near a corner of jointed dissimilar materials and found that the order of singularity is dependent not only on the elastic constants of materials and the local geometry of corner, but also on the deformation mode.

TL;DR: In this article, an approach for predicting the yield surface of lattice structures subjected to either a uniaxial or a biaxially stress state is proposed, and the geometrical and material conditions for the occurrence of elastic buckling under triaxial stress state are identified.

TL;DR: In this paper, the flexural rigidity of a honeycomb consisting of regular hexagonal cells is investigated, and it is found that the bending deformation of the honeycomb cannot be evaluated by using the equivalent elastic moduli obtained from the in-plane deformation since the moments acting on inclined walls of honeycomb cell are different for the inplane deformations and bending deformations.

TL;DR: In this article, the effect of height h of a hexagonal honeycomb core on the elastic modulus was studied by using numerical results of finite element method (FEM), and it was shown that the elastic model is independent of height under the plane strain condition.