Institution: | aDepartment of Civil Engineering, School of Engineering, University of Portland, 5000 N. Wllamette Blvd., Portland, OR 97203, USA;bResearch Group for Computational Structural Mechanics, Hungarian Academy of Sciences, Department of Structural Mechanics, Technical University of Budapest, Müegyetem rkp. 3, K.mf. 35, H-1521, Budapest, Hungary |