HongtianÌýZhu (Johnny)B.S. Harbin Institute of Technology at WeihaiM.S. CU Boulder Mechanical EngineeringPhD Candidate in Mechanical EngineeringPH.D. STUDENTÌýHongtian.Zhu@colorado.eduArticles by Hongtian Zhu (Johnny)An error has occured - please check the console. An error has occured with the API - please try again later