Zhi Yan's blog

Position is available for a postdoctoral fellow to carry out an industry sponsored project on carbon fiber composite modeling. The contract is initiated for one year, with possible extension if work progresses satisfactorily. The research will focus on

 (1)  micromechanics modeling of elastic and viscoplastic behavior of injection molded carbon fiber composites;

 (2)  homogenization techniques and constitutive model development for vibration, strength and impact simulations of carbon fiber composites.

Position is available for a postdoctoral fellow to carry out an industry sponsored project on carbon fiber composite modeling. The contract is initiated for one year, with possible extension if work progresses satisfactorily. The research will focus on

 (1)  micromechanics modeling of elastic and viscoplastic behavior of injection molded carbon fiber composites;

 (2)  homogenization techniques and constitutive model development for vibration, strength and impact simulations of carbon fiber composites.

Position is available for a postdoctoral fellow to carry out an industry sponsored project on carbon fiber composite modeling. The contract is initiated for one year, with possible extension if work progresses satisfactorily. The research will focus on

 (1)  micromechanics modeling of elastic and viscoplastic behavior of injection molded carbon fiber composites;

I am working on the problem of interacting cracks in piezoelectric materials. Due to the interaction of cracks, I found a non-intuitive phenomenon that the electric displacement intensity factor of the crack for some interacting profiles may be negative under some loading conditions (a tensile stress and an applied electric displacement). However, under the same loading conditions, the electric displacement intensity factor can never be negative for a single crack problem.