1. Olson, R., Scott, P., and Wilkowski, G., 1992, “Application of a Nonlinear-Spring Element to Analysis of Circumferentially Cracked Pipe Under Dynamic Loading,” ASME Pressure Vessels and Piping Conference, June 21–25, New Orleans, LA.
2. Olson, R., Wolterman, R., Scott, P., Krishnaswamy, P., and Wilkowski, G., 1994, “The Next Generation Analysis Methodology for Cracked Pipe Systems Subjected to Dynamic Loads,” ASME Pressure Vessels and Piping Conference, June 19–23, Minneapolis, MN.
3. Analysis of JNES Seismic Tests on Degraded Piping,2010
4. Numerical Analysis of JNES Seismic Tests on Degraded Combined Piping System;ASME J. Pressure Vessel Technol.,2012