PSI - Issue 2_A

Benjamin Werner et al. / Procedia Structural Integrity 2 (2016) 2054–2067 Author name / Structural Integrity Procedia 00 (2016) 000–000

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Despite the challenges of reproducing the experimental results in numerical analyses, the Rice and Tracey failure criterion and the Gurson damage model are both suitable for reproducing failure of the welded cross joint specimens. Acknowledgements This research has been carried out in the project SideColl in collaboration with Fraunhofer AGP, Germanischer Lloyd, Neptun Ship Design, P+S Werften, and Hamburg University of Technology. The project has been funded by the German Federal Ministry of Economy and Technology (BMWi) under the Project Number 03SX309A. DIN 50150. Prüfung von Stahl und Stahlguß; Umwertungstabelle für Vickershärte, Brinellhärte, Rockwellhärte und Zugfestigkeit, 1976. Berlin, Beuth Verlag. Atkins, A. G., 1997. Fracture Mechanics and Metalforming: Damage Mechanics and the Local Approach of Yesterday and Today. An Anniversary Volume in Honour of George R. Irwins's 90th Birthday, 1997, 327–350. Dunand, M., Mohr, D., 2011. On the predictive capabilities of the shear modified Gurson and the modified Mohr–Coulomb fracture models over a wide range of stress triaxialities and Lode angles. Journal of the Mechanics and Physics of Solids 59 (7), 1374–1394. Gurson, A. L., 1977. Continuum Theory of Ductile Rupture by Void Nucleation and Growth: Part I - Yield Criteria and Flow Rules for Porous Ductile Media. Journal of Engineering Materials and Technology 99 (1), 2–15. Hancock, J. W., Mackenzie, A. C., 1976. On the mechanisms of ductile failure in high-strength steels subjected to multi-axial stress-states. Journal of the Mechanics and Physics of Solids 24 (2-3), 147–160. He, M. Y., Odette, G. R., Yamamoto, T., Klingensmith, D., 2007. A universal relationship between indentation hardness and flow stress. Journal of Nuclear Materials 367-370, 556–560. Ling, Y., 1996. Uniaxial True Stress-Strain after Necking. AMP Journal of Technology 5, 37–48. Naar, H., Kujala, P., Simonsen, B. C., Ludolphy, H., 2002. Comparison of the crashworthiness of various bottom and side structures. Marine Structures 15 (4-5), 443–460. Nahshon, K., Hutchinson, J. W., 2008. Modification of the Gurson Model for shear failure. European Journal of Mechanics - A/Solids 27 (1), 1– 17. Nahshon, K., Miraglia, M., Cruce, J., DeFrese, R., Moyer, E. T., 2014. Prediction of the Sandia Fracture Challenge using a shear modified porous plasticity model. International Journal of Fracture 186 (1-2), 93–105. Nègre, P., Steglich, D., Brocks, W., 2004. Crack extension in aluminium welds: a numerical approach using the Gurson–Tvergaard–Needleman model. Engineering Fracture Mechanics 71 (16-17), 2365–2383. Nielsen, K. L., Tvergaard, V., 2010. Ductile shear failure or plug failure of spot welds modelled by modified Gurson model. Engineering Fracture Mechanics 77 (7), 1031–1047. Rice, J. R., Tracey, D. M., 1969. On the ductile enlargement of voids in triaxial stress fields. Journal of the Mechanics and Physics of Solids 17 (3), 201–217. Ringsberg, J. W., Hogström, P., 2013. A methodology for comparison and assessment of three crashworthy side-shell structures: The X-core, Y core and corrugation panel structure. Collision and Grounding of Ships and Offshore Structures, 323–330. Röhr, U., Heyer, H., 2007. Hüllenstruktur für Seeschiffe. Schöttelndreyer, M., Tautz, I., Fricke, W., Lehman, E., 2013. Side structure filled with multicellular glass hollow spheres in a quasi-static collision test. Collision and Grounding of Ships and Offshore Structures, 101–108. Tvergaard, V., 1981. Influence of voids on shear band instabilities under plane strain conditions. International Journal of Fracture 17 (4), 389 407. Tvergaard, V., Needleman, A., 1984. Analysis of the cup-cone fracture in a round tensile bar. Acta Metallurgica 32 (1), 157–169. Werner, B., Heyer, H., Sander, M., 2015. Numerical investigations of collision experiments considering weld joints. Engineering Failure Analysis 58, 351–368. Xue, Z., Faleskog, J., Hutchinson, J. W., 2013. Tension–torsion fracture experiments – Part II: Simulations with the extended Gurson model and a ductile fracture criterion based on plastic strain. International Journal of Solids and Structures 50 (25-26), 4258–4269. Xue, Z., Pontin, M. G., Zok, F. W., Hutchinson, J. W., 2010. Calibration procedures for a computational model of ductile fracture. Engineering Fracture Mechanics 77 (3), 492–509. Zhou, J., Gao, X., Sobotka, J. C., Webler, B. A., Cockeram, B. V., 2014. On the extension of the Gurson-type porous plasticity models for prediction of ductile fracture under shear-dominated conditions. International Journal of Solids and Structures 51 (18), 3273–3291. References