Kochmann, Dennis M.

Combined from CaltechAUTHORS

• Deng, Weiting and Kumar, Siddhant, et el. (2024) AI‐Enabled Materials Design of Non‐Periodic 3D Architectures With Predictable Direction‐Dependent Elastic Properties; Advanced Materials; 2308149; 10.1002/adma.202308149
• Portela, Carlos M. and Edwards, Bryce W., et el. (2021) Supersonic impact resilience of nanoarchitected carbon; Nature Materials; Vol. 20; No. 11; 1491-1497; 10.1038/s41563-021-01033-z
• Kecskes, Laszlo J. and Krywopusk, Nicholas M., et el. (2021) Recrystallization mechanisms, grain refinement, and texture evolution during ECAE processing of Mg and its alloys; Mechanics of Materials; Vol. 162; Art. No. 104067; 10.1016/j.mechmat.2021.104067
• Gupta, Prateek and Ortiz, Michael, et el. (2021) Nonequilibrium thermomechanics of Gaussian phase packet crystals: Application to the quasistatic quasicontinuum method; Journal of the Mechanics and Physics of Solids; Vol. 153; Art. No. 104495; 10.1016/j.jmps.2021.104495
• Indergand, Roman and Vidyasagar, A., et el. (2020) A phase-field approach to studying the temperature-dependent ferroelectric response of bulk polycrystalline PZT; Journal of the Mechanics and Physics of Solids; Vol. 144; Art. No. 104098; 10.1016/j.jmps.2020.104098
• Kumar, Siddhant and Tan, Stephanie, et el. (2020) Inverse-designed spinodoid metamaterials; npj Computational Materials; Vol. 6; No. 1; Art. No. 73; 10.1038/s41524-020-0341-6
• van der Giessen, Erik and Schultz, Peter A., et el. (2020) Roadmap on multiscale materials modeling; Modelling and Simulation in Materials Science and Engineering; Vol. 28; No. 4; Art. No. 043001; 10.1088/1361-651x/ab7150
• Kumar, Siddhant and Vidyasagar, A., et el. (2020) An assessment of numerical techniques to find energy‐minimizing microstructures associated with nonconvex potentials; International Journal for Numerical Methods in Engineering; Vol. 121; No. 7; 1595-1628; 10.1002/nme.6280
• Lestringant, Claire and Audoly, Basile, et el. (2020) A discrete, geometrically exact method for simulating nonlinear, elastic and inelastic beams; Computer Methods in Applied Mechanics and Engineering; Vol. 361; Art. No. 112741; 10.1016/j.cma.2019.112741
• Portela, Carlos M. and Vidyasagar, A., et el. (2020) Extreme mechanical resilience of self-assembled nanolabyrinthine materials; Proceedings of the National Academy of Sciences of the United States of America; Vol. 117; No. 11; 5686-5693; PMCID PMC7084143; 10.1073/pnas.1916817117
• Kumar, Siddhant and Tutcuoglu, Abbas D., et el. (2020) A meshless multiscale approach to modeling severe plastic deformation of metals: Application to ECAE of pure copper; Computational Materials Science; Vol. 173; Art. No. 109329; 10.1016/j.commatsci.2019.109329
• Jin, Lishuai and Khajehtourian, Romik, et el. (2020) Guided transition waves in multistable mechanical metamaterials; Proceedings of the National Academy of Sciences of the United States of America; Vol. 117; No. 5; 2319-2325; PMCID PMC7007517; 10.1073/pnas.1913228117
• Glaesener, Raphaël N. and Lestringant, Claire, et el. (2019) Continuum models for stretching- and bending-dominated periodic trusses undergoing finite deformations; International Journal of Solids and Structures; Vol. 171; 117-134; 10.1016/j.ijsolstr.2019.04.022
• Portela, Carlos and Edwards, Bryce, et el. (2019) Supersonic Impact on Carbon Nano-architected Materials
• Xia, Xiaoxing and Afshar, Arman, et el. (2019) Electrochemically Reconfigurable Architected Materials; Nature; Vol. 573; No. 7773; 205-213; 10.1038/s41586-019-1538-z
• Tutcuoglu, A. D. and Hollenweger, Y., et el. (2019) High- vs. low-fidelity models for dynamic recrystallization in copper; Materialia; Vol. 7; Art. No. 100411; 10.1016/j.mtla.2019.100411
• Phlipot, Gregory P. and Kochmann, Dennis M. (2019) A quasicontinuum theory for the nonlinear mechanical response of general periodic truss lattices; Journal of the Mechanics and Physics of Solids; Vol. 124; 758-780; 10.1016/j.jmps.2018.11.014
• Tan, Wei Lin and Faber, Katherine T., et el. (2019) In-situ observation of evolving microstructural damage and associated effective electro-mechanical properties of PZT during bipolar electrical fatigue; Acta Materialia; Vol. 164; 704-713; 10.1016/j.actamat.2018.10.065
• Kumar, Siddhant and Danas, Kostas, et el. (2019) Enhanced local maximum-entropy approximation for stable meshfree simulations; Computer Methods in Applied Mechanics and Engineering; Vol. 344; 858-886; 10.1016/j.cma.2018.10.030
• Tutcuoglu, A. D. and Vidyasagar, A., et el. (2019) Stochastic modeling of discontinuous dynamic recrystallization at finite strains in hcp metals; Journal of the Mechanics and Physics of Solids; Vol. 122; 590-612; 10.1016/j.jmps.2018.09.032
• Mueller, Jochen and Raney, Jordan R., et el. (2018) Stiffness-Independent Toughening of Beams through Coaxial Interfaces; Advanced Science; Vol. 5; No. 11; Art. No. 1800728; 10.1002/advs.201800728
• Vidyasagar, A. and Krödel, S., et el. (2018) Microstructural patterns with tunable mechanical anisotropy obtained by simulating anisotropic spinodal decomposition; Proceedings of the Royal Society A: Mathematical, physical, and engineering sciences; Vol. 474; No. 2218; Art. No. 20180535; PMCID PMC6237504; 10.1098/rspa.2018.0535
• Portela, Carlos M. and Greer, Julia R., et el. (2018) Impact of node geometry on the effective stiffness of non-slender three-dimensional truss lattice architectures; Extreme Mechanics Letters; Vol. 22; 138-148; 10.1016/j.eml.2018.06.004
• Vidyasagar, A. and Tutcuoglu, Abbas D., et el. (2018) Deformation patterning in finite-strain crystal plasticity by spectral homogenization with application to magnesium; Computer Methods in Applied Mechanics and Engineering; Vol. 335; 584-609; 10.1016/j.cma.2018.03.003
• Meza, Lucas R. and Phlipot, Gregory P., et el. (2017) Reexamining the mechanical property space of three-dimensional lattice architectures; Acta Materialia; Vol. 140; 424-432; 10.1016/j.actamat.2017.08.052
• Kochmann, Dennis M. and Bertoldi, Katia (2017) Exploiting Microstructural Instabilities in Solids and Structures: From Metamaterials to Structural Transitions; Applied Mechanics Reviews; Vol. 69; No. 5; Art. No. 050801; 10.1115/1.4037966
• Vidyasagar, A. and Tan, W. L., et el. (2017) Predicting the effective response of bulk polycrystalline ferroelectric ceramics via improved spectral phase field methods; Journal of the Mechanics and Physics of Solids; Vol. 106; 133-151; 10.1016/j.jmps.2017.05.017
• Tan, Wei Lin and Kochmann, Dennis M. (2017) An effective constitutive model for polycrystalline ferroelectric ceramics: Theoretical framework and numerical examples; Computational Materials Science; Vol. 136; 223-237; 10.1016/j.commatsci.2017.04.032
• Zelhofer, Alex J. and Kochmann, Dennis M. (2017) On acoustic wave beaming in two-dimensional structural lattices; International Journal of Solids and Structures; Vol. 115-116; 248-269; 10.1016/j.ijsolstr.2017.03.024
• Tembhekar, I. and Amelang, J. S., et el. (2017) Automatic adaptivity in the fully nonlocal quasicontinuum method for coarse-grained atomistic simulations; International Journal for Numerical Methods in Engineering; Vol. 110; No. 9; 878-900; 10.1002/nme.5438
• Frazier, Michael J. and Kochmann, Dennis M. (2017) Atomimetic Mechanical Structures with Nonlinear Topological Domain Evolution Kinetics; Advanced Materials; Vol. 29; No. 19; Art. No. 1605800; 10.1002/adma.201605800
• Getz, Roey and Kochmann, Dennis M., et el. (2017) Voltage-controlled complete stopbands in two-dimensional soft dielectrics; International Journal of Solids and Structures; Vol. 113-114; 24-36; 10.1016/j.ijsolstr.2016.10.002
• Junker, Philipp and Kochmann, Dennis M. (2017) Damage-induced mechanical damping in phase-transforming composites materials; International Journal of Solids and Structures; Vol. 113-114; 132-146; 10.1016/j.ijsolstr.2017.01.040
• Cherin, Emmanuel and Melis, Johan M., et el. (2017) Acoustic Behavior of Halobacterium salinarum Gas Vesicles in the High-Frequency Range: Experiments and Modeling; Ultrasound in Medicine and Biology; Vol. 43; No. 5; 1016-1030; PMCID PMC5385285; 10.1016/j.ultrasmedbio.2016.12.020
• Chang, Yingrui and Lloyd, Jeffrey T., et el. (2017) Modeling microstructure evolution in magnesium: Comparison of detailed and reduced-order kinematic models; Mechanics of Materials; Vol. 108; 40-57; 10.1016/j.mechmat.2017.02.007
• Maresca, David and Lakshmanan, Anupama, et el. (2017) Nonlinear ultrasound imaging of nanoscale acoustic biomolecules; Applied Physics Letters; Vol. 110; No. 7; Art. No. 073704; PMCID PMC5315666; 10.1063/1.4976105
• Frazier, Michael J. and Kochmann, Dennis M. (2017) Band gap transmission in periodic bistable mechanical systems; Journal of Sound and Vibration; Vol. 388; 315-326; 10.1016/j.jsv.2016.10.041
• Wojnar, Charles S. and Kochmann, Dennis M. (2017) Linking Internal Dissipation Mechanisms to the Effective Complex Viscoelastic Moduli of Ferroelectrics; Journal of Applied Mechanics; Vol. 84; No. 2; Art. No. 021006; 10.1115/1.4035033
• Desmoulins, A. and Kochmann, D. M. (2017) Local and nonlocal continuum modeling of inelastic periodic networks applied to stretching-dominated trusses; Computer Methods in Applied Mechanics and Engineering; Vol. 313; 85-105; 10.1016/j.cma.2016.09.027
• Wojnar, Charles S. and le Graverend, Jean-Briac, et el. (2016) Broadband Electromechanical Spectroscopy: A Method for Measuring the Dynamic Electromechanical Response of Ferroelectrics; ISBN 978-3-319-42227-5; Micro and Nanomechanics; 63-71; 10.1007/978-3-319-42228-2_10
• Kochmann, Dennis M. and Amelang, Jeffrey S. (2016) The Quasicontinuum Method: Theory and Applications; ISBN 978-3-319-33478-3; Multiscale Materials Modeling for Nanomechanics; 159-193; 10.1007/978-3-319-33480-6_5
• Raney, Jordan R. and Nadkarni, Neel, et el. (2016) Stable propogation of mechanical signals in soft media using stored elastic energy; Proceedings of the National Academy of Sciences of the United States of America; Vol. 113; No. 35; 9722-9727; PMCID PMC5024640; 10.1073/pnas.1604838113
• Raney, Jordan R. and Nadkarni, Neel, et el. (2016) Stable propagation of mechanical signals in soft media using stored elastic energy; Proceedings of the National Academy of Sciences of the United States of America; Vol. 113; No. 35; 9722-9727; PMCID PMC5024640; 10.1073/pnas.1604838113
• Kochmann, D. M. and Drugan, W. J. (2016) An infinitely-stiff elastic system via a tuned negative-stiffness component stabilized by rotation-produced gyroscopic forces; Applied Physics Letters; Vol. 108; No. 26; Art. No. 261904; 10.1063/1.4954967
• Nadkarni, Neel and Arrieta, Andres F., et el. (2016) Unidirectional Transition Waves in Bistable Lattices; Physical Review Letters; Vol. 116; No. 24; Art. No. 244501; 10.1103/PhysRevLett.116.244501
• Desmoulins, Albert and Zelhofer, Alex J., et el. (2016) Auxeticity in truss networks and the role of bending versus stretching deformation; Smart Materials and Structures; Vol. 25; No. 5; Art. No. 054003; 10.1088/0964-1726/25/5/054003
• Nadkarni, Neel and Daraio, Chiara, et el. (2016) Universal energy transport law for dissipative and diffusive phase transitions; Physical Review B; Vol. 93; No. 10; Art. No. 104109; 10.1103/PhysRevB.93.104109
• Bradford, Samuel Case and Hofmann, Douglas C., et el. (2016) Energy-Efficient Active Reflectors with Improved Mechanical Stability and Improved Thermal Performance; ISBN 978-1-62410-394-0; 3rd AIAA Spacecraft Structures Conference; Art. No. 2016-0702; 10.2514/6.2016-0702
• Amelang, Jeffrey S. and Kochmann, Dennis M. (2015) Surface effects in nanoscale structures investigated by a fully-nonlocal energy-based quasicontinuum method; Mechanics of Materials; Vol. 90; 166-184; 10.1016/j.mechmat.2015.04.004
• Chang, Yingrui and Kochmann, Dennis M. (2015) A variational constitutive model for slip-twinning interactions in hcp metals: application to single- and polycrystalline magnesium; International Journal of Plasticity; Vol. 73; 39-61; 10.1016/j.ijplas.2015.03.008
• Meza, Lucas R. and Zelhofer, Alex J., et el. (2015) Resilient 3D hierarchical architected metamaterials; Proceedings of the National Academy of Sciences of the United States of America; Vol. 112; No. 37; 11502-11507; PMCID PMC4577192; 10.1073/pnas.1509120112
• Amelang, J. S. and Venturini, G. N., et el. (2015) Summation rules for a fully nonlocal energy-based quasicontinuum method; Journal of the Mechanics and Physics of Solids; Vol. 82; 378-413; 10.1016/j.jmps.2015.03.007
• le Graverend, J.-B. and Wojnar, C. S., et el. (2015) Broadband Electromechanical Spectroscopy: characterizing the dynamic mechanical response of viscoelastic materials under temperature and electric field control in a vacuum environment; Journal of Materials Science; Vol. 50; No. 10; 3656-3685; 10.1007/s10853-015-8928-x
• Bradford, Samuel Case and Hofmann, Douglas C., et el. (2015) Energy-Efficient Active Reflectors with Improved Mechanical Stability; ISBN 978-1-62410-345-2; 2nd AIAA Spacecraft Structures Conference; Art. No. 2015-1400; 10.2514/6.2015-1400
• Günther, Christina and Kochmann, Dennis M., et el. (2015) Rate-Independent versus Viscous Evolution of Laminate Microstructures in Finite Crystal Plasticity; ISBN 978-3-319-18241-4; Analysis and Computation of Microstructure in Finite Plasticity; 63-88; 10.1007/978-3-319-18242-1_3
• Fritzen, Felix and Kochmann, Dennis M. (2014) Material instability-induced extreme damping in composites: A computational study; International Journal of Solids and Structures; Vol. 51; No. 23-24; 4101-4112; 10.1016/j.ijsolstr.2014.07.028
• Kochmann, Dennis M. and Milton, Graeme W. (2014) Rigorous bounds on the effective moduli of composites and inhomogeneous bodies with negative-stiffness phases; Journal of the Mechanics and Physics of Solids; Vol. 71; 46-63; 10.1016/j.jmps.2014.06.010
• Wojnar, C. S. and le Graverend, J.-B., et el. (2014) Broadband control of the viscoelasticity of ferroelectrics via domain switching; Applied Physics Letters; Vol. 105; No. 16; Art. No. 162912; 10.1063/1.4899055
• Nadkarni, Neel and Daraio, Chiara, et el. (2014) Dynamics of periodic mechanical structures containing bistable elastic elements: From elastic to solitary wave propagation; Physical Review E; Vol. 90; No. 2; Art. No. 023204; 10.1103/PhysRevE.90.023204
• Klusemann, Benjamin and Kochmann, Dennis M. (2014) Microstructural pattern formation in finite-deformation single-slip crystal plasticity under cyclic loading: Relaxation vs. gradient plasticity; Computer Methods in Applied Mechanics and Engineering; Vol. 278; 765-793; 10.1016/j.cma.2014.05.015
• Kochmann, Dennis M. (2014) Stable extreme damping in viscoelastic two-phase composites with non-positive-definite phases close to the loss of stability; Mechanics Research Communications; Vol. 58; 36-45; 10.1016/j.mechrescom.2013.09.003
• Krödel, Sebastian and Delpero, Tommaso, et el. (2014) 3D Auxetic Microlattices with Independently Controllable Acoustic Band Gaps and Quasi-Static Elastic Moduli; Advanced Engineering Materials; Vol. 16; No. 4; 357-363; 10.1002/adem.201300264
• Kochmann, Dennis M. and Venturini, Gabriela N. (2014) A meshless quasicontinuum method based on local maximum-entropy interpolation; Modelling and Simulation in Materials Science and Engineering; Vol. 22; No. 3; Art. No. 034007; 10.1088/0965-0393/22/3/034007
• Wojnar, Charles S. and Kochmann, Dennis M. (2014) Stability of extreme static and dynamic bulk moduli of an elastic two-phase composite due to a non-positive-definite phase; Physica Status Solidi B; Vol. 251; No. 2; 397-405; 10.1002/pssb.201384241
• Hackl, Klaus and Hoppe, Ulrich, et el. (2014) Variational modeling of microstructures in plasticity; ISBN 978-3-7091-1624-1; Plasticity and Beyond: Microstructures, Crystal-Plasticity and Phase Transitions; 65-129; 10.1007/978-3-7091-1625-8_2
• Wojnar, Charles S. and Kochmann, Dennis M. (2013) A negative-stiffness phase in elastic composites can produce stable extreme effective dynamic but not static stiffness; Philosophical Magazine; Vol. 94; No. 6; 532-555; 10.1080/14786435.2013.857795
• Español, Malena I. and Kochmann, Dennis M., et el. (2013) A Γ-Convergence Analysis of the Quasicontinuum Method; Multiscale Modeling and Simulation; Vol. 11; No. 3; 766-794; 10.1137/120895354
• Kochmann, Dennis M. and Venturini, Gabriela N. (2013) Homogenized mechanical properties of auxetic composite materials in finite-strain elasticity; Smart Materials and Structures; Vol. 22; No. 8; Art. No. 084004; 10.1088/0964-1726/22/8/084004
• Kochmann, D. M. and Drugan, W. J. (2012) Analytical stability conditions for elastic composite materials with a non-positive-definite phase; Proceedings of the Royal Society A: Mathematical, physical, and engineering sciences; Vol. 468; No. 2144; 2230-2254; 10.1098/rspa.2011.0546
• Kochmann, Dennis M. (2012) Stability criteria for continuous and discrete elastic composites and the influence of geometry on the stability of a negative-stiffness phase; Physica Status Solidi B; Vol. 249; No. 7; 1399-1411; 10.1002/pssb.201084213
• Hackl, Klaus and Hoppe, Ulrich, et el. (2012) Generation and evolution of inelastic microstructures - an overview; GAMM-Mitteilungen; Vol. 35; No. 1; 91-106; 10.1002/gamm.201210007
• Kochmann, Dennis M. and Amelang, Jeffrey S., et el. (2011) From atomistics to the continuum: a mesh-free quasicontinuum formulation based on local max-ent approximation schemes; PAMM; Vol. 11; No. 1; 393-394; 10.1002/pamm.201110188
• Kochmann, D. M. and Drugan, W. J. (2011) Infinitely stiff composite via a rotation-stabilized negative-stiffness phase; Applied Physics Letters; Vol. 99; No. 1; Art. No. 011909; 10.1063/1.3609328
• Kochmann, D. M. and Hackl, K. (2011) The evolution of laminates in finite crystal plasticity: a variational approach; Continuum Mechanics and Thermodynamics; Vol. 23; No. 1; 63-85; 10.1007/s00161-010-0174-5
• Kochmann, D. M. and Le, K. C. (2009) Plastic Deformation of Bicrystals Within Continuum Dislocation Theory; Mathematics and Mechanics of Solids; Vol. 14; No. 6; 540-563; 10.1177/1081286507087322
• Le, K. C. and Kochmann, D. M. (2009) A simple model for dynamic recrystallization during severe plastic deformation; Archive of Applied Mechanics; Vol. 79; No. 6-7; 579-586; 10.1007/s00419-008-0280-z
• Kochmann, D. M. and Drugan, W. J. (2009) Dynamic stability analysis of an elastic composite material having a negative-stiffness phase; Journal of the Mechanics and Physics of Solids; Vol. 57; No. 7; 1122 - 1138; 10.1016/j.jmps.2009.03.002
• Kochmann, Dennis M. and Le, Khanh C. (2009) A continuum model for initiation and evolution of deformation twinning; Journal of the Mechanics and Physics of Solids; Vol. 57; No. 6; 987 - 1002; 10.1016/j.jmps.2009.03.001
• Kochmann, D. M. and Le, K. C. (2008) Dislocation pile-ups in bicrystals within continuum dislocation theory; International Journal of Plasticity; Vol. 24; No. 11; 2125 - 2147; 10.1016/j.ijplas.2008.03.007
• Jaglinski, T. and Kochmann, D. M., et el. (2007) Composite Materials with Viscoelastic Stiffness Greater Than Diamond; Science; Vol. 315; No. 5812; 620-622; 10.1126/science.1135837