References
Selected references describing the design and implementation of OpenSees and Xara include:
McKenna, F. “Object-oriented finite element programming: Frameworks for analysis, algorithms and parallel computing.” PhD Dissertation, UC Berkeley, 1999
McKenna, F., Scott, M.H., and Fenves, G.L. “Nonlinear finite element analysis software architecture using object composition.” Journal of Computing in Civil Engineering, 24(1):95-107, January 2010..
Scott, M.H., Fenves, G.L., McKenna, F., and Filippou, F.C. “Software patterns for nonlinear beam-column models.” Journal of Structural Engineering, 134(4):562-571, April 2008
Petracca, M., Candeloro, F., & Camata, G. (2017). “STKO user manual”. ASDEA Software Technology, Pescara Italy.
Perez, C.M. “Nonlinear modeling of frame members for rapid infrastructure assessment.” PhD Dissertation, UC Berkeley, 2026