Yanyao Jiang's research work has been concentrated on mechanical behavior of materials and structures. Particularly, he has made significant contributions in cyclic plasticity, multiaxial fatigue, rolling contact, and self-loosening of bolted joints.
- Development of fatigue life prediction approach that considers both crack initiation and crack propagation,
- Exploration the first time of new inhomogeneous cyclic plasticity deformation phenomenon,
- Development of a new and robust cyclic plasticity model that has been well recognized over the world,
- Development of a new cyclic plasticity model for single crystals,
- Experimental exploration and theoretical modeling of cyclic hardening material behavior,
- Experimental exploration and theoretical modeling of nonproportional hardening material behavior,
- Critical evaluation of existing plasticity models theoretically and with benchmark experiments,
- Experimental exploration of the relationship between the cyclic plastic deformation behavior and the corresponding microstructural characteristics,
- Development of a new method for elastic-plastic rolling contact stress analysis,
- Elastic-plastic finite element stress analysis of rolling contact,
- Failure modeling of rolling contact with consideration of both fatigue and ratcheting,
- Development of a general and robust multiaxial fatigue criterion integrating cyclic plasticity and fatigue damage,
- Exploration of the mechanisms of self-loosening of bolted joints through experimentation and theoretical modeling.
For more the details of the research accomplishments, please refer to The Details of Dr. Jiang's Research Accomplishments.