Stefan Hartmann
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Polyconvexity of generalized polynomial-type hyperelastic strain energy functions for near-incompressibility
S Hartmann, P Neff
International journal of solids and structures 40 (11), 2767-2791, 2003
Remarks on the interpretation of current non‐linear finite element analyses as differential–algebraic equations
P Ellsiepen, S Hartmann
International Journal for Numerical Methods in Engineering 51 (6), 679-707, 2001
An efficient stress algorithm with applications in viscoplasticity and plasticity
S Hartmann, G Lührs, P Haupt
International Journal for Numerical Methods in Engineering 40 (6), 991-1013, 1997
A remark on the application of the Newton-Raphson method in non-linear finite element analysis
S Hartmann
Computational Mechanics 36 (2), 100-116, 2005
Computation in finite-strain viscoelasticity: finite elements based on the interpretation as differential–algebraic equations
S Hartmann
Computer Methods in Applied Mechanics and Engineering 191 (13-14), 1439-1470, 2002
Stress computation and consistent tangent operator using non‐linear kinematic hardening models
S Hartmann, P Haupt
International Journal for Numerical Methods in Engineering 36 (22), 3801-3814, 1993
p-FEM applied to finite isotropic hyperelastic bodies
A Düster, S Hartmann, E Rank
Computer Methods in Applied Mechanics and Engineering 192 (47-48), 5147-5166, 2003
On the numerical treatment of finite deformations in elastoviscoplasticity
G Lührs, S Hartmann, P Haupt
Computer Methods in Applied Mechanics and Engineering 144 (1-2), 1-21, 1997
On volumetric locking‐free behaviour of p‐version finite elements under finite deformations
U Heisserer, S Hartmann, A Düster, Z Yosibash
Communications in numerical methods in engineering 24 (11), 1019-1032, 2008
Parameter estimation of hyperelasticity relations of generalized polynomial-type with constraint conditions
S Hartmann
International Journal of Solids and Structures 38 (44-45), 7999-8018, 2001
Numerical studies on the identification of the material parameters of Rivlin's hyperelasticity using tension-torsion tests
S Hartmann
Acta Mechanica 148 (1), 129-155, 2001
A time-adaptive fluid-structure interaction method for thermal coupling
P Birken, KJ Quint, S Hartmann, A Meister
Computing and visualization in science 13 (7), 331-340, 2010
A finite strain constitutive model for metal powder compaction using a unique and convex single surface yield function
W Bier, S Hartmann
European Journal of Mechanics-A/Solids 25 (6), 1009-1030, 2006
Finite deformations of a carbon black-filled rubber. Experiment, optical measurement and material parameter identification using finite elements
S Hartmann, T Tschöpe, L Schreiber, P Haupt
European Journal of Mechanics-A/Solids 22 (3), 309-324, 2003
Die compaction of copper powder designed for material parameter identification
W Bier, MP Dariel, N Frage, S Hartmann, O Michailov
International Journal of Mechanical Sciences 49 (6), 766-777, 2007
High-order time integration applied to metal powder plasticity
S Hartmann, W Bier
International Journal of Plasticity 24 (1), 17-54, 2008
Axisymmetric pressure boundary loading for finite deformation analysis using p-FEM
Z Yosibash, S Hartmann, U Heisserer, A Düster, E Rank, M Szanto
Computer Methods in Applied Mechanics and Engineering 196 (7), 1261-1277, 2007
On plastic incompressibility within time-adaptive finite elements combined with projection techniques
S Hartmann, KJ Quint, M Arnold
Computer Methods in Applied Mechanics and Engineering 198 (2), 178-193, 2008
A thermomechanically consistent constitutive model for polyoxymethylene
S Hartmann
Archive of Applied Mechanics 76 (5), 349-366, 2006
Experimental validation of high-order time integration for non-linear heat transfer problems
KJ Quint, S Hartmann, S Rothe, N Saba, K Steinhoff
Computational Mechanics 48 (1), 81-96, 2011
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