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Number of items: 133.

Gruttmann, Friedrich and Wagner, Werner (2020):
An advanced shell model for the analysis of geometrical and material nonlinear shells.
In: Computational Mechanics, 66, pp. 1353-1376. Springer Berlin Heidelberg, ISSN 0178-7675,
[Article]

Gruttmann, Friedrich and Knust, Gregor (2019):
A shell element for the prediction of residual load-carrying capacities due to delamination.
In: International Journal for Numerical Methods in Engineering, (118), pp. 132-158. Wiley, ISSN 00295981,
[Article]

Wagner, Werner and Gruttmann, Friedrich Soric, Jurica and Wriggers, Peter and Allix, Oliver (eds.) (2018):
Evolution of Failure Mechanisms in Composite Shell Structures Using Different Models.
In: Multiscale Modeling of Heterogeneous Structures, pp. 3-21, Springer, ISBN 978-3-319-65462-1,
[Book Section]

Gruttmann, Friedrich and Wagner, Werner Altenbach, Holm and Jablonski, Frank and Müller, Wolfgang H. and Naumenko, Konstantin and Schneider, Patrik (eds.) (2018):
Influence of shear correction factors on eigenfrequencies of layered plates.
80, In: Advances in Mechanics of Materials and Structural Analysis, pp. 117-133, Springer, ISBN 978-3-319-70562-0, 2018.,
[Book Section]

Klarmann, Simon and Gruttmann, Friedrich (2017):
Comparsion between substructure and FE2 modeling of beam-like structures.
In: PAMM — Proceedings in Applied Mathematics and Mechanics, 17, pp. 321-322. Wiley, ISSN 1617-7061,
DOI: 10.1002/pamm.201710130,
[Article]

Gruttmann, Friedrich and Wagner, Werner (2017):
Shear correction factors for layered plates and shells.
In: Computational Mechanics, 59 (1), pp. 129-146. Springer Berlin Heidelberg, ISSN 0178-7675,
[Article]

Gruttmann, Friedrich and Wagner, Werner (2017):
Shear correction factors for layered plates and shells, Computational Mechanics.
In: Computational Mechanics, 59 (1), pp. 129-146. Springer Berlin Heidelberg, ISSN 0178-7675,
[Article]

Gruttmann, Friedrich and Knust, Gregor and Wagner, Werner (2017):
Theory and numerics of layered shells with variationally embedded interlaminar stresses.
In: Computer Methods in Applied Mechanics and Engineering, 326, pp. 713-738. Elsevier, ISSN 00457825,
[Article]

Müller, Maximilian and Gruttmann, Friedrich (2017):
A homogenisation method based on the Irving-Kirkwood-Theory.
pp. 790-793, Stuttgart, 7th GACM Colloquium on Computational Mechanics for Young Scientists from Academia and Industry, Stuttgart, 11.-13.10.2017, DOI: 10.18419/opus-9334,
[Conference or Workshop Item]

Klarmann, Simon and Gruttmann, Friedrich (2017):
A homogenization approach for beam-like structures with arbitrarily shaped and deformable cross-sections.
pp. 476-479, Stuttgart, 7th GACM Colloquium on Computational Mechanics for Young Scientists from Academia and Industry, Stuttgart, 11.-13.10.2017, DOI: 10.18419/opus-9334,
[Conference or Workshop Item]

Knust, Gregor and Gruttmann, Friedrich (2017):
A layered shell element for the computation of interlaminar shear stresses and thickness normal stresses.
In: PAMM — Proceedings in Applied Mathematics and Mechanics, 17, pp. 323-324. Wiley, ISSN 1617-7061,
DOI: 10.1002/pamm.201710131,
[Article]

Knust, Gregor and Gruttmann, Friedrich (2017):
A shell element for the analysis of interlaminar stresses and delaminations of layered composites.
pp. 521-524, Stuttgart, 7th GACM Colloquium on Computational Mechanics for Young Scientists from Academia and Industry, Stuttgart, 11.-13.10.2017, DOI: 10.18419/opus-9334,
[Conference or Workshop Item]

Wagner, Werner and Gruttmann, Friedrich (2016):
Ein neues FE-Modell zur Berechnung von geschichteten Platten mit kontinuierlichen interlaminaren Schubspannungen.
In: Bauingenieur, 91 (5), pp. 179-187. Springer-VDI-Verlag, [Article]

Heller, Dominik and Gruttmann, Friedrich (2016):
Nonlinear two-scale shell modeling of sandwiches wih a comb-like core.
In: Composite Structures, 144, pp. 147-155. ISSN 0263-8223,
[Article]

Wagner, Werner and Gruttmann, Friedrich (2016):
An adaptive strategy for the multi-scale analysis of plate and shell structures with elasto-plastic material behaviour.
In: TECHNISCHE MECHANIK, 36 (1-2), pp. 142-154. Springer-VDI-Verlag, ISSN 0232-3869,
[Article]

Gruttmann, Friedrich and Wagner, Werner and Knust, Gregor (2016):
A coupled global-local shell model with continuous interlaminar shear stresses.
In: Computational Mechanics, 57 (2), pp. 237-255. Springer Berlin Heidelberg, ISSN 0178-7675,
[Article]

Klarmann, Simon and Gruttmann, Friedrich (2015):
Multi-scale modeling of beam-like structures: A new boundary condition concept for the RVE.
In: PAMM — Proceedings in Applied Mathematics and Mechanics, 15, pp. 455-456. WILEY-VCH Verlag GmbH & Co., ISSN 1617-7061,
[Article]

Heller, Dominik and Gruttmann, Friedrich (2015):
A coupled two-scale shell model for comb-like sandwich structures.
In: PAMM — Proceedings in Applied Mathematics and Mechanics, 15, pp. 451-452. ISSN 1617-7061,
[Article]

Maaß, Jan Grischa and Gruttmann, Friedrich (2015):
A three-dimensional progressive damage model for fiber reinforced composites with an implicit-explicit integration scheme.
In: PAMM — Proceedings in Applied Mathematics and Mechanics, 15, pp. 139-140. ISSN 1617-7061,
[Article]

Wagner, Werner and Gruttmann, Friedrich Pietraszkiewicz, W. and Gorski, J. (eds.) (2014):
A consistently linearized multiscale model for shell structures.
In: ISBN 978-1-138-00082-7 Shell Structures: Theory and Applications, pp. 453-456, London, Taylor & Francis, [Book Section]

Wagner, Werner and Gruttmann, Friedrich (2013):
Coupled multiscale finite element analysis of layered shell structures.
pp. 753-764, [Book Section]

Gruttmann, Friedrich and Wagner, Werner (2013):
A coupled two-scale shell model with applications to layered structures.
In: International Journal for Numerical Methods in Engineering, 94, pp. 1233-1254. WILEY-VCH Verlag, [Article]

Hebel, Jochen and Gruttmann, Friedrich (2012):
Coupled multiscale finite element analysis of shell structures.
In: PAMM — Proceedings in Applied Mathematics and Mechanics, 12, pp. 187-188. ISSN 1617-7061,
[Article]

Schröder, Jörg and Balzani, Daniel and Stranghöner, N. and Uhlemann, J. and Gruttmann, Friedrich and Saxe, K. (2011):
Membranstrukturen mit nicht-linearem anisotropem Materialverhalten - Aspekte der Materialprüfung und der numerischen Simulation.
In: Bauingenieur, 86, pp. 381-389. Springer-VDI-Verlag, ISSN 0005-6650,
[Article]

Gruttmann, Friedrich Mueller-Hoeppe, Dana and Loehnert, S. and Reese, Stefanie (eds.) (2011):
Nonlinear finite element shell formulation accounting for large strain material models.
In: Recent Developments and Innovative Applications in Computational Mechanics, pp. 87-95, Berlin, Springer, ISBN 978-3-642-17484-1; 978-3-642-17483-4,
DOI: 10.1007/978-3-642-17484-1_11,
[Book Section]

Wackerfuß, Jens and Gruttmann, Friedrich (2011):
A nonlinear Hu-Washizu variational formulation and related finite-element implementation for spatial beams with arbitrary moderate thick cross-sections.
In: Computer Methods in Applied Mechanics and Engineering, 200, pp. 1671-1690. ISSN 00457825,
[Article]

Schürg, Marco and Wackerfuß, Jens and Gruttmann, Friedrich (2010):
Computation of the Three-Dimensional Stress State in Composite Shell Structures with Mixed Finite Elements.
In: PAMM — Proceedings in Applied Mathematics and Mechanics, 10 (1), pp. 217-218. WILEY-VCH Verlag, ISSN 1617-7061,
[Article]

Wisniewski, K. and Wagner, Werner and Turska, E. and Gruttmann, Friedrich (2010):
Four-node Hu-Washizu elements based on skew coordinates and contravariant assumed strains.
In: Computers & Structures, 88, pp. 1278-1284. Elsevier, ISSN 0045-7949, 0366-7138,
[Article]

Ebbing, V. and Balzani, D. and Schröder, Jörg and Neff, P. and Gruttmann, Friedrich (2009):
Construction of anisotropic polyconvex energies and applications to thin shells, Computational Materials Science.
In: Computational Materials Science, 46 (3), pp. 639-641. ISSN 09270256,
[Article]

Gruttmann, Friedrich and Wackerfuß, Jens and Schürg, Marco (2009):
A Coupled Local-Global Model for the Analysis of Interlaminar Stresses in Laminated Shell Structures.
In: ISBN 978- 953-7539-11-5, Dubrovnik, [Book Section]

Schürg, Marco and Wagner, Werner and Gruttmann, Friedrich (2009):
An enhanced FSDT model for the calculation of interlaminar shear stresses in composite plate structures.
In: Computational Mechanics, 44 (6), pp. 765-776. Springer Berlin Heidelberg, ISSN 0178-7675,
[Article]

Wackerfuß, Jens and Gruttmann, Friedrich (2009):
A mixed hybrid finite beam element with an interface to arbitrary three-dimensional material models.
In: Computer Methods in Applied Mechanics and Engineering, 198, pp. 2053-2066. Elsevier, ISSN 00457825,
[Article]

Balzani, Daniel and Gruttmann, Friedrich and Schröder, Jörg (2008):
Analysis of thin shells using anisotropic polyconvex energy densities.
In: Computer Methods in Applied Mechanics and Engineering, 197, pp. 1015-1032. Elsevier, ISSN 00457825,
[Article]

Schürg, Marco and Gruttmann, Friedrich (2008):
A finite element formulation for the analysis of interlaminar shear stresses in layered composite plates.
In: PAMM — Proceedings in Applied Mathematics and Mechanics, 8, pp. 10339-10340. WILEY-VCH Verlag, ISSN 1617-7061,
[Article]

Gruttmann, Friedrich and Pham, V. D. (2008):
A finite element model for the analysis of buckling driven delaminations of thin films on rigid substrates.
In: Computational Mechanics, 41 (3), pp. 361-370. Springer Berlin Heidelberg, ISSN 0178-7675,
[Article]

Klinkel, Sven and Gruttmann, Friedrich and Wagner, Werner (2008):
A mixed shell formulation accounting for thickness strains and finite strain 3d material models.
In: International Journal for Numerical Methods in Engineering, 74, pp. 945-970. WILEY-VCH Verlag, ISSN 00295981,
[Article]

Pham, V. D. and Gruttmann, Friedrich (2007):
Finite element analysis of telephone cord delaminations of compressed thin films on rigid substrates.
In: J. Soric, F. Gruttmann, W. Wagner (eds.), Proceedings of Special Workshop: Advanced Numerical Analysis of Shell-like Structures, Zagreb, Croatia, 227-235, 2007, [Conference or Workshop Item]

Gruttmann, Friedrich Soric, J. and Gruttmann, Friedrich and Wagner, Werner (eds.) (2007):
On non-linear FE-formulations for thin shells using a three-field variational principle.
In: Proceedings of Special Workshop: Advanced Numerical Analysis of Shell-like Structures, pp. 15-29, Zagreb Croatia, [Book Section]

Balzani, D. and Schröder, J. and Gruttmann, Friedrich (2007):
Polyconvex energy densities with applications to anisotropic thin shells.
In: PAMM — Proceedings in Applied Mathematics and Mechanics, 7, WILEY-VCH Verlag, ISSN 1617-7061,
[Article]

Pham, V. D. and Gruttmann, Friedrich (2007):
A few typical delamination patterns of compressed thin films.
In: PAMM — Proceedings in Applied Mathematics and Mechanics, 7, WILEY-VCH Verlag, ISSN 1617-7061,
[Article]

Gruttmann, Friedrich and Wagner, Werner (2006):
Structural analysis of composite laminates using a mixed hybrid shell element.
In: Computational mechanics, 37, pp. 479-497. [Article]

Klinkel, Sven and Gruttmann, Friedrich and Wagner, Werner (2006):
A robust non-linear solid shell element based on a mixed variational formulation.
In: Computer methods in applied mechanics and engineering, 195, pp. 179-201. [Article]

Eidel, Bernhard and Gruttmann, Friedrich (2005):
Anisotropic pile-up pattern at spherical identation into a fcc single crystal-finite element analysis versus experiment.
In: Computational fluid and solid mechanics 2005 : proceedings, Third MIT Conference on Computational Fluid and Solid Mechanics, June 14 - 17, 2005 / ed.: K. J. Bathe.- 1. ed.- Amsterdam ; Heidelberg [u.a.] : Elsevier, 2005.- XXVIII, 1342 S.- ISBN: 0-08-04447, 1. ed.- Amsterdam ; Heidelberg [u.a.], Elsevier, [Conference or Workshop Item]

Wagner, Werner and Gruttmann, Friedrich (2005):
FEM für Flächentragwerke : Beispiele zur Beurteilung der Leistungsfähigkeit.
In: Berichte der Fachtagung Baustatik - Baupraxis 9 : am 14. und 15. März 2005 in Dresden / Institut für Statik und Dynamik der Tragwerke, TU Dresden, Deutschland.- Dresden : Institut für Statik und Dynamik der Tragwerke, TU Dresden, 2005.- XIII, 464 S.-IS, Dresden, Institut für Statik und Dynamik der Tragwerke, [Conference or Workshop Item]

Gruttmann, Friedrich and Wagner, Werner (2005):
Finite element formulations for geometrical and material nonlinear shells based on a Hu-Washizu functional.
In: Computational plasticity : fundamentals and applications ; proceedings of the Eighth International Conference on Computational Plasticity held in Barcelona, Spain, 5th - 7th September 2005 / ed. by D. R. J. Owen ...- Barcelona : International Center for N, Barcelona, International Center for Numerical Methods in Engineering (CIMNE), [Conference or Workshop Item]

Gruttmann, Friedrich and Wagner, Werner (2005):
Finite-Element-Modellierungen von Faserverbundstrukturen.
In: Faser-Kunststoff-Verbünde: Neue Freiheitsgrade in der Konstruktion, Darmstadt, 3. - 4. März 2005 ; 11. Nationales Symposium SAMPE Deutschland e.V. / Society for the Advancement of Material and Process Engineering; Technische Universität Darmstadt, Fach, [Conference or Workshop Item]

Wagner, Werner and Gruttmann, Friedrich (2005):
Formulation of robust shell elements on the basis of mixed variational principles : gemischte und nicht-standard FE-Methoden mit Anwendungen.
In: Oberwolfach reports, [Article]

Gruttmann, Friedrich and Wagner, Werner (2005):
A four-node Mindlin-Reissner shell element with mixed hybrid interpolation.
In: International Conference on Computation of Shell & Spatial Structures <5, 2005, Salzburg>: Proceedings ..., [Conference or Workshop Item]

Gruttmann, Friedrich and Wagner, Werner (2005):
A linear quadrilateral shell element with fast stiffness computation.
In: Computer methods in applied mechanics and engineering, 194, pp. 4279-4300. [Article]

Wagner, Werner and Gruttmann, Friedrich (2005):
A nonlinear Hu-Washizu variational formulation for shells and associated quadrilateral finite element.
In: Shell structures : theory and applications : proceedings of the 8th Conference, Jurata, Poland, 12 - 14 October 2005 / Wojciech Pietraszkiewicz ...- London [u.a.] : Taylor & Francis, c 2005.- ISBN: 0-415-38390-0.- S. 511-514, London [u.a.], Taylor & Francis, [Conference or Workshop Item]

Wagner, Werner and Gruttmann, Friedrich (2005):
A robust nonlinear mixed hybrid quadrilateral shell element.
In: International journal for numerical methods in engineering, 64, pp. 635-666. [Article]

Wagner, Werner and Gruttmann, Friedrich (2004):
Delamination growth analysis of composite panels.
In: Revue européenne des éléments finis, 13, pp. 915-929. [Article]

Wackerfuß, Jens and Gruttmann, Friedrich (2004):
FE-formulation for plate and beam elements to simulate onset and propagation of discrete cracks in solid structures.
In: PAMM, Proceedings in applied mathematics and mechanics, 4, pp. 380-381, [Conference or Workshop Item]

Klinkel, Sven and Gruttmann, Friedrich and Wagner, Werner (2004):
Four-field mixed formulation for a solid-shell element.
In: World Congress on Computational Mechanics <6, 2004, Beijing>: Proceedings ... in conjunction with the Second Asian-Pacific Congress on Computational Mechanics / Zhenhan Yao ...- Beijing: Tsinghua University Press, 2004.- XII, 817S.-ISBN 7-302-09343-1.- Pa, Beijing, Tsinghua University Press, [Conference or Workshop Item]

Wagner, Werner and Gruttmann, Friedrich (2004):
On efficient FE-formulations in the stability analysis of thin-walled structures.
In: World Congress on Computational Mechanics <6, 2004, Beijing>: Proceedings ...in conjunction with the Second Asian-Pacific Congress on Computational Mechanics / Zhenhan Yao ...- Beijing: Tsinghua University Press, 2004.- XII, 817 S.-ISBN 7-302-09343-1.- Pa, Beijing, Tsinghua University Press, [Conference or Workshop Item]

Eidel, Bernhard and Gruttmann, Friedrich (2004):
Spherical indentation into a fcc single crystal : the squaring of the circle?
In: GAMM Annual Meeting 2005 <2004, Luxembourg> : Proceedings in Applied Mathematics and Mechanics - GAMM Annual Meeting 2005 ; 265 - 266 ;, pp. 265 - 266, [Conference or Workshop Item]

Gruttmann, Friedrich and Wagner, Werner (2004):
A new stabilized one-point integrated shear-elastic plate element.
In: European Congress on Computational Methods in Applied Sciences and Engineering <4, 2004, Jyväskylä>: Proceedings ... 24-28.7.2004.- Paper 350, 1-13, [Conference or Workshop Item]

Gruttmann, Friedrich and Wagner, Werner (2004):
A stabilized one-point integrated quadrilateral Reissner-Mindlin plate element.
In: International journal for numerical methods in engineering, 61, pp. 2273-2295. [Article]

Löblein, Jochen and Schröder, Jörg and Gruttmann, Friedrich (2003):
Application of generalized measures to an orthotropic finite elasto-plasticity model.
In: Computational materials science, 28, pp. 696-703. [Article]

Wagner, Werner and Gruttmann, Friedrich (2003):
Ein einheitliches Modell zur Berechnung der Schubspannungen aus St. Venant'scher Torsion in beliebigen Querschnitten prismatischer Stäbe.
In: Technische Mechanik, 23, pp. 251-264. [Article]

Eidel, Bernhard and Gruttmann, Friedrich (2003):
Elasto-plastic orthotropy at finite strains : multiplicative formulation and numerical implementation.
In: Computational materials science, 28, pp. 732-742. [Article]

Eidel, Bernhard and Gruttmann, Friedrich (2003):
Finite element analysis of anisotropic structures at large inelastic deformations.
In: Deformation and failure in metallic materials / Kolumban Hutter ...ed.- Berlin [u.a.]: Springer, 2003.- XII, 409 S.- (Lecture notes in applied and computational mechanics ; 10).- ISBN 3-540-00848-9.- S. 51-78, Springer, [Article]

Eidel, Bernhard and Gruttmann, Friedrich (2003):
On the formulation and finite element implementation of anisotropic multiplicative finite strain elastoplasticity.
In: PAMM, Proceedings in applied mathematics and mechanics, 2, pp. 186-187, [Conference or Workshop Item]

Eidel, Bernhard and Gruttmann, Friedrich (2003):
On the theory and numerics of orthotropic elastoplasticity at finite plastic strains.
In: Conference on Computational Fluid and Solid Mechanics <2, 2003, Cambridge, Mass.>: Proceedings ... / ed. K. J. Bathe.- S. 246-248, [Conference or Workshop Item]

Löblein, Jochen and Schröder, Jörg and Gruttmann, Friedrich (2003):
A model for finite orthotropic plasticity using generalized stress-strain measures.
In: Advanced problems in mechanics : proceedings of the XXX Summer School APM 2002, St. Petersburg.- S. 435-440, [Conference or Workshop Item]

Löblein, Jochen and Schröder, Jörg and Gruttmann, Friedrich and Mehling, V. (2003):
A study on finite orthotropic plasticity using generalized measures.
In: PAMM, Proceedings in applied mathematics and mechanics, 2, pp. 196-197, [Conference or Workshop Item]

Wagner, Werner and Gruttmann, Friedrich (2002):
Berechnung der Schubspannungen aus Querkraft in dünnwandigen Querschnitten mit einem programmiergerechten Verfahren.
In: Fachtagung Baustatik - Baupraxis <8, 2002, Braunschweig>: Berichte der Fachtagung ... / Hrsg.: Dieter Dinkler.- Braunschweig: Inst. für Statik, 2002.- IX, 486 S.- ISBN 3-926031-95-6.- S. 353-364, Braunschweig, Inst. für Statik, [Conference or Workshop Item]

Wagner, Werner and Klinkel, Sven and Gruttmann, Friedrich (2002):
Elastic and plastic analysis of thin-walled structures using improved hexahedral elements.
In: Computers & structures, 80, pp. 857-869. [Article]

Wagner, Werner and Gruttmann, Friedrich (2002):
FE-modeling of fiber reinforced polymer structures.
In: World Congress of Computational Mechanics <5, 2002, Wien>: Proceedings .. WCCM V, July 7-12, 2002 ...- Vienna: Univ., 2002.- ISBN 3-9501554-0-6, Vienna, Univ., [Conference or Workshop Item]

Eidel, Bernhard and Gruttmann, Friedrich (2002):
Finite strain inelasticity for isotropy, a simple and efficient finite element formulation.
In: Proceedings in applied mathematics and mechanics, 1, pp. 185-186, [Conference or Workshop Item]

Gruttmann, Friedrich and Wagner, Werner (2002):
Finite-Element-Berechnungen von räumlichen Stabtragwerken mit elasto-plastischem Materialverhalten.
In: Fachtagung Baustatik - Baupraxis <8, 2002, Braunschweig>: Berichte der Fachtagung ... / Hrsg.: Dieter Dinkler.- Braunschweig: Inst. für Statik, 2002.- IX, 486 S.- ISBN 3-926031-95-6.- S. 341-352, Braunschweig, Inst. für Statik, [Conference or Workshop Item]

Wagner, Werner and Gruttmann, Friedrich (2002):
Genaue Berechnung der elastischen Grenzmomente von Walzprofilen bei Torsionsbelastung.
In: Stahlbau, pp. 803-814. [Article]

Wagner, Werner and Gruttmann, Friedrich (2002):
Modeling of shell-beam transitions in the presence of finite rotations.
In: Computer assisted mechanics and engineering sciences, 9, pp. 405-418. [Article]

Eidel, Bernhard and Gruttmann, Friedrich (2002):
On the implementation of anisotropic finite strain plasticity.
In: World Congress of Computational Mechanics <5, 2002, Wien>: Proceedings .. WCCM V, July 7-12, 2002 ...- Vienna: Univ., 2002.- ISBN 3-9501554-0-6, Vienna, Univ., [Conference or Workshop Item]

Wagner, Werner and Gruttmann, Friedrich (2002):
A displacement method for the analysis of flexural shear stresses in thin-walled isotropic composite beams.
In: Computers & structures, 80, pp. 1843-1851. [Article]

Schröder, Jörg and Gruttmann, Friedrich and Löblein, Jochen (2002):
A simple orthotropic finite elasto-plasticity model based on generalized stress-strain measures.
In: Computational mechanics, 30, pp. 48-64. [Article]

Gruttmann, Friedrich and Wagner, Werner (2001):
Ein Weggrößenverfahren zur Berechnung von Querkraftschubspannungen in dünnwandigen Querschnitten.
76, In: Bauingenieur, pp. S. 474-480. [Article]

Wagner, Werner and Gruttmann, Friedrich (2001):
Finite element analysis of Saint-Venant torsion problem with exact integration of the elastic-plastic constitutive equations.
190, In: Computer methods in applied mechanics and engineering, pp. 3831-3848. [Article]

Gruttmann, Friedrich and Wagner, Werner (2001):
Shear correction factors in Timoshenko's beam theory for arbitrary cross-sections.
In: Computational Mechanics, 27, pp. 199-207. Springer Berlin Heidelberg, ISSN 0178-7675,
[Article]

Wagner, Werner and Gruttmann, Friedrich and Sprenger, W. (2001):
A finite element formulation for the simulation of propagating delaminations in layered composites structures.
51, In: International journal for numerical methods in engineering, pp. 1337-1359. [Article]

Gruttmann, Friedrich and Wagner, Werner Wall, W. A. (ed.) (2001):
A finite element model for the analysis of delaminations in FRP-shells.
In: Trends in computational structural mechanics, 1. ed., pp. 307-316, Barcelona, CIMNE, ISBN 84-89925-77-1,
[Book Section]

Sprenger, W. and Gruttmann, Friedrich and Wagner, Werner (2000):
Delamination growth analysis in laminated structures with continuum based 3d-shell elements and a viscoplastic softening model.
In: Computer methods in applied mechanics and engineering, 185, pp. 123-139. [Article]

Wagner, Werner and Gruttmann, Friedrich (2000):
Finite-Element-Modeling of shell-beam transitions with 'optimal' constraints.
In: IASS-IACM 2000: Fourth International Colloquium on Computation of Shell & Spatial Structures, Creta 2000; Proceedings, [Conference or Workshop Item]

Gruttmann, Friedrich and Wagner, Werner (2000):
St. Venantsche Torsion prismatischer Stäbe mit elastoplastischem Werkstoffverhalten.
In: Bauingenieur, 75, pp. S. 53-59. [Article]

Klinkel, Sven and Wagner, Werner and Gruttmann, Friedrich (2000):
A continuum based 3D-shell element for computation of laminated structures and finite strain plasticity problems.
In: Computational techniques for materials, composites and composite structures. Hrsg.: B.H.V. Topping. - Edinburgh: Civil-Comp Pres, 2000. S. 297-310, Edinburgh, Civil-Comp Pres, [Book Section]

Gruttmann, Friedrich and Sauer, R. and Wagner, Werner (2000):
Theory and Numerics of Three-Dimensional Beams with Elastoplastic Material Behaviour.
In: International Journal for Numerical Methods in Engineering, 48, pp. 1675-1702. WILEY-VCH Verlag, ISSN 00295981,
[Article]

Wagner, Werner and Gruttmann, Friedrich (1999):
Calculation of torsional quantities of arbitrary beam cross-sections via adaptive finite-element-formulations.
In: Canadian Conference on Nonlinear Solid Mechanics <1, 1999, Victoria, Canada>: Proceedings. Hrsg. E.M. Croitor. S. 467-477, [Conference or Workshop Item]

Wagner, Werner and Gruttmann, Friedrich (1999):
Finite-Element-Berechnungen von Schubspannungen aus Querkraft in beliebigen Querschnitten prismatischer Stäbe.
In: Baustatik-Baupraxis, 7. Hrsg.: K. Meskouris. Rotterdam (u.a.): Balkema, 1999. S. 75-82, [Book Section]

Gruttmann, Friedrich and Wagner, Werner (1999):
Geometrical and material nonlinear three-dimensional beams - theory and numerics.
In: ECCM '99 - European Conference on Computational Mechanics. [2]. Proceedings, pp. 276,1-276,13,
München, ECCM '99: European Conference on Computational Mechanics <1999, München>, München, 31.08.-03.09.1999, [Conference or Workshop Item]

Gruttmann, Friedrich (1999):
Shear stresses in prismatic beams with arbitrary cross-sections.
45, In: International journal for numerical methods in engineering, pp. 865-889. [Article]

Wagner, Werner and Gruttmann, Friedrich (1999):
Strategies for the finite element analysis of nonlinear composite structures.
In: IUTAM Symposium on Discretization Methods in Structural Mechanics <2, 1999, Wien>: Proceedings. Hrsg.: H.A. Mang, F.G. Rammerstorfer. Dordrecht: Kluwer Acad. Publ., 1999. S. 281-290, [Conference or Workshop Item]

Wagner, Werner and Sauer, R. and Gruttmann, Friedrich (1999):
Tafeln der Torsionskenngrößen von Walzprofilen unter Verwendung von FE-Diskretisierungen.
In: Stahlbau, 68, pp. 102-111. [Article]

Klinkel, Sven and Gruttmann, Friedrich and Wagner, Werner (1999):
A continuum based 3d-shell element for laminated structures.
In: Computers and structures, 71, pp. 43-62. [Article]

Wagner, Werner and Gruttmann, Friedrich and Sauer, R. (1998):
Adaptive Finite-Element-Lösungen von Verwölbungen und Torsionskennwerten beliebiger Querschnitte.
In: Finite Elemente in der Baupraxis. Modellierung, Berechnung und Konstruktion; Beiträge zur Tagung FEM '98 an der Techn. Univ. Darmstadt. Hrsg.: P. Wriggers (u.a.) S. 251-260, Berlin: Ernst, 1998, Berlin, Ernst, [Conference or Workshop Item]

Wagner, Werner and Gruttmann, Friedrich and Sauer, R. (1998):
Large displacement 3d-beam formulations for the eccentric coupling with shells.
In: International Conference on Computational Mechanics <4, 1998, Buenos Aires>: CD-ROM-Proceedings, Part II, Sect. 7, Paper 16, [Conference or Workshop Item]

Wagner, Werner and Gruttmann, Friedrich (1998):
Modeling of fiber reinforced polymer structures with damage.
In: Zeitschrift für angewandte Mathematik und Mechanik. 78 (1998), Suppl., S. 69-72, [Article]

Gruttmann, Friedrich (1998):
Shear stresses in prismatic beams with arbitrary cross-sections.
In: Technische Universität Darmstadt: / Institut für Statik: Jahresbericht 1998. S. 47-74, 1998, [Article]

Gruttmann, Friedrich and Sauer, R. and Wagner, Werner (1998):
Theory and numerics of three-dimensional beams with elastoplastic material behaviour.
In: Jahresbericht / Technische Universität Darmstadt / Institut für Statik, pp. 19-46. 1998, [Article]

Gruttmann, Friedrich and Wagner, Werner and Sauer, (1998):
Zur Berechnung der Schubspannungen aus Querkräften in Querschnitten prismatischer Stäbe mit der Methode der finiten Elemente.
In: Bauingenieur. 73 (1998), 11, S. 485-490, [Article]

Gruttmann, Friedrich and Wagner, Werner and Sauer, R. (1998):
Zur Berechnung von Wölbfunktion und Torsionskennwerten beliebiger Stabquerschnitte mit der Methode der finiten Elemente.
In: Bauingenieur, 73, pp. 138-143. Springer-VDI-Verlag, ISSN 0005-6650,
[Article]

Gruttmann, Friedrich and Sauer, R. and Wagner, Werner (1998):
A geometrical nonlinear eccentric 3D-beam element with arbitrary cross-sections.
In: Computer Methods in Applied Mechanics and Engineering, 160 (3/4), pp. 383-400. Elsevier, ISSN 00457825,
[Article]

Wagner, Werner and Gruttmann, Friedrich and Klinkel, S. (1997):
Modeling of Nonlinear Composite Shells with Enhanced 8-node Brick Elements.
Proceedings of the 4th Int. Conf. on Composites Engineering, Big Island, Hawaii,, [Conference or Workshop Item]

Wagner, Werner and Stein, E. and Gruttmann, Friedrich and Teßmer, J. (1997):
Modellbildung fur die Berechnung des Stabilitätsverhaltens von Faserverbundstrukturen.
In: Abschlußbericht zum Teilprojekt 2 der DFG-Forschergruppe, Ste 238/25, [Report]

Wagner, Werner and Gruttmann, Friedrich and Sauer, R. Meskouris, K. and Wittek, U. (eds.) (1997):
On torsion-bending coupling of three- dimensional beams with finite deformations - Theory and numerical investigations.
In: Aspects in Modern Computational Structural Analysis, pp. 353-367, Rotterdam/Brookfield, New York, A.A. Balkema, [Book Section]

Betsch, P. and Gruttmann, Friedrich and Stein, E. (1996):
A 4-Node Finite Shell Element for the Implementation of General Hyperelastic 3D-Elasticity at Finite Strains.
In: Computer Methods in Applied Mechanics and Engineering, 130, pp. 57-79. Elsevier, ISSN 00457825,
[Article]

Gruttmann, Friedrich and Wagner, Werner (1996):
Coupling of Two- and Three-Dimensional Composite Shell Elements in Linear and Nonlinear Applications.
In: Computer Methods in Applied Mechanics and Engineering, 129, pp. 271-287. Elsevier, ISSN 00457825,
[Article]

Gruttmann, Friedrich and Wagner, Werner Topping, B. H. V. (ed.) (1996):
Delamination Analysis of Thin Composite Structures Using a Multi- Director Formulation.
In: Advances in Analysis and Design of Composites, pp. 51-59, [Book Section]

Wagner, Werner and Gruttmann, Friedrich Adali, S. and Verijenko, V. E. (eds.) (1996):
Numerical Aspects of the Delamination Analysis in Composite Shell Structures.
In: Proceedings of the First International Conference on Composite Science and Technology, pp. 591-596, [Book Section]

Wriggers, Peter and Eberlein, and Gruttmann, Friedrich (1995):
An axisymmetrical Quasi-Kirchhoff-Type shell element for large plastic deformations.
In: Archive of applied mechanics. 65 (1995), S. 465-477, [Article]

Wagner, Werner and Gruttmann, Friedrich Owen, D. R. J. and Onate, E. (eds.) (1995):
A Computational Model for the Delamination Analysis of Composite Shells.
In: Proceedings of the Fourth International Conference on Computational Plasticity: Fundamentals and Applications, pp. 1191-1202, [Book Section]

Gruttmann, Friedrich and Klinkel, S. and Wagner, Werner (1995):
A Finite Rotation Shell Theory with Application to Composite Structures, Revue européenne des éléments finis.
In: European Journal of Finite Elements, 4, pp. 597-631. [Article]

Gruttmann, Friedrich and Stein, E. and Wagner, Werner Atluri, S.N. and Yagawa, G. and Cruse, T.A. (eds.) (1995):
A Generalized FE-Method for Non-Linear Composite Shells with 2D-and 3D-Modeling.
In: Computational Mechanics '95, pp. 2533-2538, Berlin, Heidelberg, New York, Springer-Verlag, [Book Section]

Gruttmann, Friedrich and Wagner, Werner (1995):
A Generalized Nonlinear Finite Element Formulation for Composite Shells.
In: ZAMM, 75, pp. 153-154. ISSN 00442267,
[Article]

Gruttmann, Friedrich and Wagner, Werner (1994):
On the Numerical Analysis of Local Effects in Composite Structures.
In: Composite Structures, 29, pp. 1-12. Elsevier, ISSN 0263-8223,
[Article]

Wagner, Werner and Gruttmann, Friedrich (1994):
A Simple Finite Rotation Formulation for Composite Shell Elements.
In: Engineering Computations, 11, pp. 145-176. Emerald, [Article]

Gruttmann, Friedrich (1994):
Zur Berechnung von Faserverbundstrukturen mit höherwertigen finiten Schalenelementen.
In: ZAMM, 74 (4-5), pp. T275-T277. ISSN 00442267,
[Article]

Ibrahimbegovic, A. and Gruttmann, Friedrich (1993):
A Consistent Finite Element Formulation of Nonlinear Membrane Shell Theory with Particular Reference to Elastic Rubberlike Material.
In: Finite Elements in Analysis and Design, 12, pp. 75-86. Elsevier, [Article]

Gruttmann, Friedrich and Wagner, Werner and Mayer, L. and Wriggers, P. (1993):
A Nonlinear Composite Shell Element with Continuous Interlaminar Shear Stresses.
In: Computational Mechanics, 13, pp. 175-188. Springer Berlin Heidelberg, ISSN 0178-7675,
[Article]

Wriggers, P. and Gruttmann, Friedrich (1993):
Thin Shells with Finite Rotations formulated in Biot Stresses: Theory and Finite Element Formulation.
In: International Journal for Numerical Methods in Engineering, 36, pp. 2049-2071. WILEY-VCH Verlag, ISSN 00295981,
[Article]

Gruttmann, Friedrich (1993):
Zur numerischen Behandlung inkompressibler elastischer Membranschalen bei großen Verzerrungen.
In: ZAMM, 73 (4-5), pp. T280-T283. WILEY-VCH Verlag, ISSN 00442267,
[Article]

Stein, E. and Gruttmann, Friedrich and Seifert, B. (1992):
Ein gemischtes Variationsfunktional für endliche Deformationen von Schalen und zugehörige Finite-Element-Ansätze für nicht-lockende Membrandeformationen.
In: Statik und Dynamik im Konstruktiven Ingenieurbau. Festkolloquium des Sonderforschungsbereiches 151 an der Ruhr-Universität Bochum, [Book Section]

Gruttmann, Friedrich and Wagner, Werner and Wriggers, P. (1992):
A Nonlinear Quadrilateral Shell Element with Drilling Degrees of Freedom.
In: Archive of Applied Mechanics, 62, pp. 474-486. Springer, ISSN 0939-1533,
[Article]

Gruttmann, Friedrich and Taylor, R. L. (1992):
Theory and Finite Element Formulation of Rubberlike Membrane Shells Using Principal Stretches.
In: Interntional Journal for Numerical Methods in Engineering, 35, pp. 1111-1126. WILEY-VCH Verlag, [Article]

Stein, E. and Gruttmann, Friedrich and Meyer, R. and Ohnimus, S. and Peters, K. and Rust, W. and Wagner, Werner and Zhang, G. (1991):
Numerische Untersuchungen an zwei gelochten CFK-Proben.
In: Abschlußbericht zum Vorhaben DLR-Vertrag, 5-131-4303, [Report]

Wagner, Werner and Gruttmann, Friedrich Ladevéze, P. and Zienkiewicz, O.C. (eds.) (1991):
On the Stability Behaviour of Composite Shells.
In: Proceedings of the European Conference on New Advances in Computational Structural Mechanics, pp. 539-546,
Proceedings of the European Conference on New Advances in Computational Structural Mechanics, Giens (France), [Conference or Workshop Item]

Stein, E. and Gruttmann, Friedrich and Lambertz, K.-H. Krätzig, W. B. and Onate, E. (eds.) (1990):
Elastic-Plastic Analysis of Thin Shells and Folded Plate Structures with Finite Rotations.
In: Computational Mechanics of Nonlinear Response of Shells, pp. 56-82, Berlin, Springer, [Book Section]

Gruttmann, Friedrich and Taylor, R. L. (1990):
Finite Element Formulations of Incompressible Rubberlike Membrane Shells.
In: ESMM-Report UCB/SEMM, Department of Civil Engineering, University of California, 90/07 (1-30), Berkeley, California, [Report]

Wriggers, P. and Gruttmann, Friedrich Noor, K. and Belytschko, T. and Simo, J. C. (eds.) (1990):
Large Deformations of Thin Shells: Theory and Finite- Element-Diskretization.
3, In: Analytical and Computational Models of Shells, pp. 135-159, ASME CED, [Book Section]

Gruttmann, Friedrich (1989):
Eine Biegetheorie elastischer Schalen mit endlichen Drehungen.
In: ZAMM, 69 (5), pp. T464-T466. ISSN 00442267,
[Article]

Gruttmann, Friedrich and Steiner, E. and Wriggers, P. (1989):
Theory and Numerics of Thin Elastic Shells with Finite Rotations.
In: Ingenieur-Archiv, 59, pp. 54-67. [Article]

Gruttmann, Friedrich and Stein, E. (1988):
Tangentiale Steifigkeitsmatrizen bei Anwendung von Projektionsverfahren in der Elastoplastizitätstheorie.
In: Ingenieur-Archiv, 58, pp. 15-24. [Article]

Gruttmann, Friedrich (1988):
Theorie und Numerik schubelastischer Schalen mit endlichen Drehungen unter Verwendung der Biot-Spannungen.
In: Forschungs- und Seminarberichte aus dem Bereich der Mechanik der Universität Hannover, Bericht, F88/1, Hannover, [Report]

Gruttmann, Friedrich (1987):
Konsistente Steifigkeitsmatrizen in der Elastoplastizitätstheorie.
In: ZAMM, 67 (4), pp. T191-T192. ISSN 00442267,
[Article]

This list was generated on Tue Jan 19 00:15:16 2021 CET.