research

The plane stress problems have solved by using a new orthotropic element model, compared with the finite element method, it can be found that the results of the two methods are in good agreement.
Supplemental Videos:
(1) https://www.bilibili.com/video/BV1yd4y167i6/?spm_id_from=333.999.0.0
(2) https://www.bilibili.com/video/BV1CV4y1M7y6/?spm_id_from=333.999.0.0

This work presents a modified phase-field model for accurate coupling of phase transformation and cracking in shape memory ceramics. The existing phase-field models underestimate the elastic response at the beginning of the mechanical response. We modified the chemical free energy to control the rate of phase transformation and consequently obtain a physical elastic response before initiation of phase transformation. First, the forward and reverse martensitic phase transformation in a superelastic single crystal 3 mol% yttria-stabilized tetragonal zirconia is studied.

Dear Colleagues,

I invite you to read our recent paper on hierarchically architected foams published in Extreme Mechanics Letters: Read full article here.

Abstract

Meng, Z., Liu, M., Yan, H., Genin, G. M., & Chen, C. Q.* (2022). Deployable mechanical metamaterials with multistep programmable transformation. Science Advances, 8(23), eabn5460.

Mao, J. J.*, Wang, S., Tan, W.*, & Liu, M.* (2022). Modular multistable metamaterials with reprogrammable mechanical properties. Engineering Structures, 272, 114976.

Zhang, Y., Yang, J., Liu, M.*, & Vella, D. (2022). Shape-morphing structures based on perforated kirigami. Extreme Mechanics Letters, 56, 101857.

In this paper we discuss nonlinear anisotropic anelasticity formulated based on the two multiplicative decompositions F=F^eF^a and F=F^aF^e.