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Number of items: 78.

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]

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]

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]

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]

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]

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]

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]

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]

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]

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]

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]

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]

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]

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]

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]

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]

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]

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]

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]

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 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]

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]

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 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]

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]

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]

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