|
|
||
|
|
|
|
Department of Civil and Environmental Engineering
Technical University Darmstadt
Selected Publications:
F. Gruttmann, W. Wagner, L. Meyer and P. Wriggers, “A nonlinear composite shell element with continuous interlaminar shear stresses”, Computational Mechanics, Vol. 13, No. 3, 1993, pp.175-188
F. Gruttmann and W. Wagner (Institut für Baumechanik und Numerische Mechanik, Universität Hannover, Appelstrasse 9A, 30167 Hannover, Germany), “On the numerical analysis of local effects in composite structures”, Composite Structures, Vol. 29, No. 1, 1994, pp. 1-12
F. Gruttmann and W. Wagner (Institut für Baustatik, Universität Karlsruhe, Kaiserstraße, 76131, Karlsruhe, Germany), “Coupling of two- and three-dimensional composite shell elements in linear and non-linear applications”, Computer Methods in Applied Mechanics and Engineering, Vol. 129, No. 3, 15 January 1996
P. Betsch, F. Gruttmann and E. Stein, “A 4-node finite shell element for the implementation of general hyperelastic 3D-elasticity at finite strains”, Computer Methods in Applied Mechanics and Engineering, Vol. 130, Nos. 1-2, March 1996, pp. 57-79
Gruttmann, F., Sauer, R., Wagner, W., 1999. Shear stresses in prismatic beams with arbitrary cross-sections. International Journal for Numerical Methods in Engineering, 45(7):865-889
Klinkel S, Gruttmann F, Wagner W (1999) A continuum based three-dimensional shell element for laminated structures. Comput Struct 71(1):43–62
W. Sprenger, F. Gruttmann and W. Wagner, “Delamination Growth Analysis in Laminated Structures with Continuum-Based 3D-Shell Elements and a Viscoplastic Softening Model,” Computer Methods in Applied Mechanics and Engineering, Vol. 185, No. 2-4, 2000, pp. 123-139
Gruttmann, F., Wagner, W., 2001. Shear correction factors in Timoshenko’s beam theory for arbitrary shaped cross-sections. Computational Mechanics, 27(3):199-207
Wagner W, Gruttmann F and Sprenger W (2001). A finite element formulation for the simulation of propagating delaminations in layered composite structures. Int J Num Meth Eng 51: 1337–1359
Wagner, W., Gruttmann, F., 2002. A displacement method for the analysis of flexural shear stresses in thin walled isotropic composite beams. Computers & Structures, 80(24):1843-1851.
W. Wagner, S. Klinkel, and F. Gruttmann. Elastic and plastic analysis of thin-walled structures using improved hexahedral elements. Computers and Structures, 80:857–869, 2002.
Friedrich Gruttmann and Werner Wagner, “Finite element formulations for geometrical and material nonlinear shells based on a Hu-Washizu functional”, VIII Interntional Conference on Computational Plasticity (COMPLAS VIII), E. Onate and D.R.J. Owen, Editors, CIMNE, Barcelona, 2005
F. Gruttmann, W. Wagner, (2006), Structural analysis of composite laminates using a mixed hybrid shell element, Computational Mechanics, vol.37, pp. 479-497
S. Klinkel, F. Gruttmann and W. Wagner, A robust non-linear solid shell element based on a mixed variational formulation, Comput. Methods Appl. Mech. Engrg. 195 (2006) 179-201
Pham, V. and Gruttmann, F., “A few typical delamination patterns of compressed thin films”, PAMM, Vol. 7, 2007, pp. 4040023–4040024.
F. Gruttmann and V. D. Pham, “A finite element model for the analysis of buckling driven delaminations of thin films on rigid substrates”, Computational Mechanics, Vol. 41, No. 3, 2008, pp. 361-370
Friedrich Gruttmann, “Nonlinear finite element shell formulation accounting for large strain material models”, Chapter in Recent Develpments and Innovative Applications in Computational Mechanics, pp 87-95, 2011
Page 444 / 462