Ralf Denzer

Search results

• 2021

  A Modified Phase-Field Fracture Model for Simulation of Mixed Mode Brittle Fractures and Compressive Cracks in Porous Rock

  Spetz, A., Denzer, R., Tudisco, E. & Dahlblom, O., 2021, In: Rock Mechanics and Rock Engineering. 54, 10, p. 5375-5388

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • brittle fracture 100%
  • Brittle fracture 92%
  • Rocks 68%
  • crack 64%
  • Cracks 54%
  3 Citations (SciVal)

• A thermo-viscoplasticity model for metals over wide temperature ranges- application to case hardening steel

  Oppermann, P., Denzer, R. & Menzel, A., 2021, (E-pub ahead of print) In: Computational Mechanics.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Case hardening 100%
  • Viscoplasticity 96%
  • Hardening 82%
  • Steel 79%
  • Metals 74%
• 2020

  Phase-field fracture modelling of crack nucleation and propagation in porous rock

  Spetz, A., Denzer, R., Tudisco, E. & Dahlblom, O., 2020 Mar 30, In: International Journal of Fracture.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Phase Field 100%
  • Nucleation 96%
  • Crack 70%
  • Propagation 66%
  • Rocks 62%
  12 Citations (SciVal)
• 2019

  Finite-strain thermo-viscoplasticity for case-hardening steels over a wide temperature range

  Oppermann, P., Denzer, R. & Menzel, A., 2019 Feb 21, p. 277-278. 2 p.

  Research output: Contribution to conference › Abstract › peer-review

  • viscoplasticity 100%
  • hardening 64%
  • steels 51%
  • softening 22%
  • temperature 20%

• Finite-strain thermo-viscoplasticity for case-hardening steels over a wide temperature range

  Oppermann, P., Denzer, R. & Menzel, A., 2019 Nov 18, Proceedings in Applied Mathematics & Mechanics. Wiley-VCH Verlag, Vol. 19. p. e201900237 2 p. e201900237

  Research output: Chapter in Book/Report/Conference proceeding › Paper in conference proceeding › peer-review

  Open Access

  • viscoplasticity 100%
  • hardening 64%
  • steels 51%
  • plastics 27%
  • temperature 20%

• Thermo-Viscoplasticity for Case Hardening Steels at Finite Deformations and Wide Temperature Ranges

  Oppermann, P., Denzer, R. & Menzel, A., 2019 Sep 5. 1 p.

  Research output: Contribution to conference › Abstract › peer-review

  Open Access

  • viscoplasticity 100%
  • hardening 64%
  • steels 51%
  • plastics 27%
  • gradients 22%
• 2018

  Modelling Thermo-Viscoplasticity of Case-Hardening Steels Over Wide Temperature Ranges

  Oppermann, P., Denzer, R. & Menzel, A., 2018 Mar, p. 186. 1 p.

  Research output: Contribution to conference › Abstract › peer-review

  Open Access

  • viscoplasticity 100%
  • hardening 64%
  • steels 51%
  • plastics 21%
  • temperature 20%

• Modelling Thermo‐Viscoplasticity of Case‐Hardening Steels Over Wide Temperature Ranges

  Oppermann, P., Denzer, R. & Menzel, A., 2018 Dec 17, Procedings in Applied Mathematics and Mechanics. Wiley-VCH Verlag, Vol. 18. p. e201800199 2 p.

  Research output: Chapter in Book/Report/Conference proceeding › Paper in conference proceeding › peer-review

  • steels 100%
  • hardening 94%
  • temperature 40%
  • softening 32%
  • thermal expansion 29%

• On the Modelling of Thermo-Viscoplasticity of Case-Hardening Steels Over a Wide Temperature Range

  Oppermann, P., Denzer, R. & Menzel, A., 2018 Mar 15, Proceedings in Applied Mathematics and Mechanics. Könke, C. & Trunk, C. (eds.). Weinheim: Wiley-VCH Verlag, p. 447-448 2 p. (Proceedings in Applied Mathematics and Mechanics; vol. 17, no. 1).

  Research output: Chapter in Book/Report/Conference proceeding › Paper in conference proceeding › peer-review

  • viscoplasticity 100%
  • hardening 64%
  • steels 51%
  • plastics 27%
  • temperature 20%
• 2017

  Case hardening steels modelled by thermo-viscoplasticity over a wide range of temperature

  Oppermann, P., Denzer, R. & Menzel, A., 2017 Jun 13, p. 61. 1 p.

  Research output: Contribution to conference › Abstract

  Open Access

  • viscoplasticity 100%
  • hardening 64%
  • steels 51%
  • plastics 21%
  • temperature 20%

• Computational homogenisation for thermoviscoplasticity: application to thermally sprayed coatings

  Berthelsen, R., Denzer, R., Oppermann, P. & Menzel, A., 2017 Nov, In: Computational Mechanics. 60, 5, p. 739-766

  Research output: Contribution to journal › Article › peer-review

  • Sprayed coatings 100%
  • Coating 93%
  • Homogenization 77%
  • Coatings 57%
  • Tool Wear 29%
  13 Citations (SciVal)

• Isogeometric Analysis of Soil Plasticity

  Spetz, A., Tudisco, E., Denzer, R. & Dahlblom, O., 2017 Jul 28, In: Geomaterials. 7, 3, p. 96-116 21 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Plasticity 100%
  • Soils 83%
  • Finite element method 52%
  • Constitutive equations 23%
  • Splines 20%

• On Modeling of Thermo-Viscoplasticity of Case-Hardening Steels Over a Wide Temperature Range

  Oppermann, P., Denzer, R. & Menzel, A., 2017 Mar 8, p. 235. 1 p.

  Research output: Contribution to conference › Abstract › peer-review

  Open Access

  • viscoplasticity 100%
  • hardening 64%
  • steels 51%
  • temperature 20%
  • softening 19%
• 2016

  Analysis of viscoelastic soft dielectric elastomer generators operating in an electrical circuit

  Bortot, E., Denzer, R., Menzel, A. & Gei, M., 2016, In: International Journal of Solids and Structures. 78-79, 1, p. 205-215

  Research output: Contribution to journal › Article › peer-review

  • Electrical Circuit 100%
  • Electrical Circuits 94%
  • Elastomers 73%
  • elastomers 72%
  • Elastomer 66%
  23 Citations (SciVal)

• Finite element simulation of coating- induced heat transfer: application to thermal spraying processes

  Berthelsen, R., Tomath, D., Denzer, R. & Menzel, A., 2016, In: Meccanica. 51, 2, p. 291-307

  Research output: Contribution to journal › Article › peer-review

  • Thermal spraying 100%
  • spraying 80%
  • heat transfer 54%
  • Coatings 52%
  • coatings 47%
  8 Citations (SciVal)
• 2015

  Towards a finite element simulation of coating by means of thermal spraying

  Berthelsen, R., Tomath, D., Denzer, R. & Menzel, A., 2015, In: PAMM - Proceedings in Applied Mathematics and Mechanics. 15, p. 277-278

  Research output: Contribution to journal › Letter › peer-review

  Open Access

  • spraying 100%
  • coatings 58%
  • carriages 33%
  • simulation 33%
  • deep drawing 32%
• 2014

  Analysis of a viscous soft dielectric elastomer generator operating in an electrical circuit

  Bortot, E., Denzer, R., Menzel, A. & Gei, M., 2014, [Host publication title missing]. Steinmann, P. & Leugering, G. (eds.). Vol. 14. p. 511-512

  Research output: Chapter in Book/Report/Conference proceeding › Paper in conference proceeding › peer-review

  Open Access

• Configurational forces for quasi-incompressible large strain electro-viscoelasticity - application to fracture mechanics

  Denzer, R. & Menzel, A., 2014, In: European Journal of Mechanics. A, Solids. 48, p. 3-15

  Research output: Contribution to journal › Article › peer-review
  13 Citations (SciVal)

• Efficient Simulation of Nonlinear Heat Transfer during Thermal Spraying of Complex Workpieces

  Berthelsen, B., Wiederkehr, T., Denzer, R., Menzel, A. & Müller, H., 2014, In: World Journal of Mechanics. 4, 9, p. 289-301

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Spray guns 100%
  • Thermal spraying 91%
  • HVOF thermal spraying 58%
  • Boundary conditions 49%
  • Coatings 48%

• Implicit yield function formulation for granular and rock-like materials

  Stupkiewicz, S., Denzer, R., Piccolroaz, A. & Bigoni, D., 2014, In: Computational Mechanics. 54, 5, p. 1163-1173

  Research output: Contribution to journal › Article › peer-review
  21 Citations (SciVal)
• 2013

  Inverse-motion-based form finding for quasi-incompressible finite electroelasticity

  Ask, A., Denzer, R., Menzel, A. & Ristinmaa, M., 2013, In: International Journal for Numerical Methods in Engineering. 94, 6, p. 554-572

  Research output: Contribution to journal › Article › peer-review

  • Form-finding 100%
  • Motion 42%
  • Grippers 34%
  • Computer simulation 32%
  • Elastomers 31%
  24 Citations (SciVal)

• Modeling of a thermomechanical process chain for sheet steels.

  Barthel, C., Klusemann, B., Denzer, R. & Svendsen, B., 2013, In: International Journal of Mechanical Sciences. 74, p. 46-54

  Research output: Contribution to journal › Article › peer-review

  • Steel sheet 100%
  • Heat Treatment 78%
  • steels 68%
  • Kinematics 43%
  • Chemical Transformation 39%
  9 Citations (SciVal)
• 2012

  Inverse Form Finding for Incompressible Electroelasticity

  Ask, A., Denzer, R., Menzel, A. & Ristinmaa, M., 2012.

  Research output: Contribution to conference › Abstract › peer-review

• Inverse-motion based modeling for electromechanics with applications to electrostrictive polyurethane

  Ask, A., Denzer, R., Menzel, A. & Ristinmaa, M., 2012, In: [Publication information missing]. p. 167-173

  Research output: Contribution to journal › Published meeting abstract › peer-review

• Microstructure based modeling of residual stresses in WC-12Co sprayed coatings.

  Klusemann, B., Denzer, R. & Svendsen, B., 2012, In: Journal of Thermal Spray Technology. 21, p. 96-107

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Residual Stress 100%
  • Sprayed coatings 97%
  • sprayed coatings 93%
  • residual stress 69%
  • Residual stresses 65%
  26 Citations (SciVal)

• Modeling induced flow anisotropy and phase transformations in air hardening steels.

  Barthel, C., Klusemann, B., Denzer, R. & Svendsen, B., 2012, In: Key Engineering Materials. 504-506, p. 443-448

  Research output: Contribution to journal › Article › peer-review

  • Anisotropy 100%
  • Phase transitions 99%
  • Hardening 89%
  • Austenite 65%
  • Flow 62%

• Modelling of electromechanical behaviour of EAP materials

  Ask, A., Thylander, S., Denzer, R., Menzel, A. & Ristinmaa, M., 2012.

  Research output: Contribution to conference › Abstract › peer-review

• The inverse motion problem for quasi-incompressible electroelasticity

  Ask, A., Denzer, R., Menzel, A. & Ristinmaa, M., 2012.

  Research output: Contribution to conference › Abstract › peer-review
• 2011

  Electromechanics of polyurethane elastomers

  Ask, A., Denzer, R., Menzel, A. & Ristinmaa, M., 2011.

  Research output: Contribution to conference › Abstract › peer-review

• Electromechanics of polyurethane elastomers

  Ask, A., Ristinmaa, M., Menzel, A. & Denzer, R., 2011. 5 p.

  Research output: Contribution to conference › Paper, not in proceeding › peer-review

  • Elastomers 100%
  • Polyurethanes 99%
  • Polymers 67%
  • Electric fields 21%
  • Electric potential 11%

• Finite element modelling of saturated porous media at finite strains under dynamic conditions with compressible constituents.

  Gajo, A. & Denzer, R., 2011, In: International Journal for Numerical Methods in Engineering. 85, 13, p. 1705-1736

  Research output: Contribution to journal › Article › peer-review

  • Finite Element Modeling 100%
  • Finite Strain 90%
  • Porous materials 65%
  • Porous Media 65%
  • Fluid 52%
  25 Citations (SciVal)
• 2010

  A fictitious energy approach for shape optimization

  Scherer, M., Denzer, R. & Steinmann, P., 2010, In: International Journal for Numerical Methods in Engineering. 82, p. 269-302

  Research output: Contribution to journal › Article › peer-review
  40 Citations (SciVal)
• 2009

  Material forces in non-classical thermo-hyperelasticity

  Bargman, S., Denzer, R. & Steinmann, P., 2009, In: Journal of Thermal Stresses. 32, 4, p. 361-393

  Research output: Contribution to journal › Article › peer-review

  • Thermoelasticity 100%
  • thermoelasticity 69%
  • Force 55%
  • Mechanics 30%
  • examination 22%
  8 Citations (SciVal)

• Secret and joy of configurational mechanics: from foundations in continuum mechanics to applications in computational mechanics

  Steinmann, P., Scherer, M. & Denzer, R., 2009, In: ZAMM Zeitschrift fur Angewandte Mathematik und Mechanik. 89, 8, p. 614-630

  Research output: Contribution to journal › Article › peer-review
  24 Citations (SciVal)
• 2008

  On a solution strategy for energy-based mesh optimization in finite hyperelastostatics

  Scherer, M., Denzer, R. & Steinmann, P., 2008, In: Computer Methods in Applied Mechanics and Engineering. 197, 6-8, p. 609-622

  Research output: Contribution to journal › Article › peer-review
  11 Citations (SciVal)
• 2007

  An adaptive singular finite element in nonlinear fracture mechanics

  Denzer, R., Scherer, M. & Steinmann, P., 2007, In: International Journal of Fracture. 147, 1-4, p. 181-190

  Research output: Contribution to journal › Article › peer-review
  4 Citations (SciVal)

• Energy-based r-adaptivity: A solution strategy and applications to fracture mechanics

  Scherer, M., Denzer, R. & Steinmann, P., 2007, In: International Journal of Fracture. 147, p. 117-132

  Research output: Contribution to journal › Article › peer-review
  9 Citations (SciVal)
• 2005

  Material forces in computational single-slip crystal-plasticity

  Menzel, A., Denzer, R. & Steinmann, P., 2005, In: Computational Materials Science. 32, 3-4, p. 446-454

  Research output: Contribution to journal › Article › peer-review

  • Crystal Plasticity 100%
  • Slip 69%
  • Crystals 58%
  • Plasticity 55%
  • plastic properties 55%
  15 Citations (SciVal)
• 2004

  Application of the material force method to thermo-hyperelasticity

  Kuhl, E., Denzer, R., Barth, F-J. & Steinmann, P., 2004, In: Computer Methods in Applied Mechanics and Engineering. 193, 30-32, p. 3303-3326

  Research output: Contribution to journal › Article › peer-review
  20 Citations (SciVal)

• On the comparison of two approaches to compute material forces for inelastic materials. Application to single-slip crystal-plasticity

  Menzel, A., Denzer, R. & Steinmann, P., 2004, In: Computer Methods in Applied Mechanics and Engineering. 193, 48-51, p. 5411-5428

  Research output: Contribution to journal › Article › peer-review
  33 Citations (SciVal)
• 2003

  Application of the material force method to isotropic continuum damage

  Liebe, T., Denzer, R. & Steinmann, P., 2003, In: Computational Mechanics. 30, 3, p. 171-184

  Research output: Contribution to journal › Article › peer-review
  30 Citations (SciVal)

• Studies in elastic fracture mechanics based on the material force method

  Denzer, R., Barth, F-J. & Steinmann, P., 2003, In: International Journal for Numerical Methods in Engineering. 58, 12, p. 1817-1835

  Research output: Contribution to journal › Article › peer-review

  69 Citations (SciVal)
• 2000

  Simulation des elasto-plastischen Verhaltens von Metallschaum mit Hilfe von 2D und 3D Einheitszellen-Modellen

  Daxner, T., Denzer, R., Rammerstorfer, F. G. & Martin, M., 2000, In: Materialwissenschaft und Werkstofftechnik. 31, p. 447-450

  Research output: Contribution to journal › Article › peer-review

  11 Citations (SciVal)