Search Results - "Alleman, Coleman"

A model for finite-deformation nonlinear thermomechanical response of single crystal copper under shock conditions by Luscher, Darby J., Bronkhorst, Curt A., Alleman, Coleman N., Addessio, Francis L.

“…A physically consistent framework for combining pressure–volume–temperature equations of state with crystal plasticity models is developed for the application…”
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Concurrent multiscale modeling of microstructural effects on localization behavior in finite deformation solid mechanics by Alleman, Coleman N., Foulk, James W., Mota, Alejandro, Lim, Hojun, Littlewood, David J.

“…The heterogeneity in mechanical fields introduced by microstructure plays a critical role in the localization of deformation. To resolve this incipient stage…”
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Evaluating the effects of loading parameters on single-crystal slip in tantalum using molecular mechanics by Alleman, Coleman, Ghosh, Somnath, Luscher, D.J., Bronkhorst, Curt A.

“…This study is aimed at developing a physics-based crystal plasticity finite element model for body-centred cubic (BCC) metals, through the introduction of…”
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Energy and stochasticity: the yin and yang of dislocation patterning by Deka, Nipal, Alleman, Coleman, Medlin, Douglas L., Sills, Ryan B.

“…Dislocations form patterns that strongly influence mechanical properties. Prevailing theories are dichotomous: patterns either form by energy minimization or…”
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The Schwarz alternating method in solid mechanics by Mota, Alejandro, Tezaur, Irina, Alleman, Coleman

“…We advance the Schwarz alternating method as a means for concurrent multiscale coupling in finite deformation solid mechanics. We prove that the Schwarz…”
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Corrigendum to “The Schwarz alternating method in solid mechanics” [Comput. Methods Appl. Mech. Engrg. 319 (2017) 19–51] by Mota, Alejandro, Tezaur, Irina, Alleman, Coleman

“…This corrigendum clarifies the conditions under which the proof of convergence of Theorem 1 from the original article is valid. We erroneously stated as one of…”
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Hydrogen effects on the deformation and slip localization in a single crystal austenitic stainless steel by León-Cázares, Fernando D., Zhou, Xiaowang, Kagay, Brian, Sugar, Joshua Daniel, Alleman, Coleman, Ronevich, Joseph Allen, San Marchi, Christopher William

“…Hydrogen is known to embrittle austenitic stainless steels, which are widely used in high-pressure hydrogen storage and delivery systems, but the mechanisms…”
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Hydrogen effects on the deformation and slip localization in a single crystal austenitic stainless steel by León-Cázares, Fernando D., Zhou, Xiaowang, Kagay, Brian, Sugar, Joshua D., Alleman, Coleman, Ronevich, Joseph, San Marchi, Chris

“…Hydrogen is known to embrittle austenitic stainless steels, which are widely used in high-pressure hydrogen storage and delivery systems, but the mechanisms…”
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Modeling strength and failure variability due to porosity in additively manufactured metals by Khalil, Mohammad, Teichert, Gregory Herlin, Alleman, Coleman, Heckman, Nathan, Jones, Reese E., Garikipati, Krishnakumar, Boyce, Brad

“…To model and quantify the variability in plasticity and failure of additively manufactured metals due to imperfections in their microstructure, we have…”
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Distribution-enhanced homogenization framework and model for heterogeneous elasto-plastic problems by Alleman, Coleman, Luscher, D.J., Bronkhorst, Curt, Ghosh, Somnath

“…Multi-scale computational models offer tractable means to simulate sufficiently large spatial domains comprised of heterogeneous materials by resolving…”
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Molecular dynamics simulations of the effects of carbon dioxide on the interfacial bonding of polystyrene thin films by Alleman, Coleman, Srivastava, Anand, Ghosh, Somnath

“…Fabrication of nanoscale polymer-based devices, especially in biomedical applications, is a challenging process due to requirements of precise dimensions…”
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Sandia Fracture Challenge 3: detailing the Sandia Team Q failure prediction strategy by Karlson, Kyle N., Alleman, Coleman, Foulk III, James W., Manktelow, Kevin L., Ostien, Jakob T., Stender, Michael E., Stershic, Andrew J., Veilleux, Michael G.

“…The third Sandia Fracture Challenge highlighted the geometric and material uncertainties introduced by modern additive manufacturing techniques. Tasked with…”
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Energy and stochasticity: the yin and yang of dislocation patterning by Deka, Nipal, Alleman, Coleman, Medlin, Douglas L., Sills, Ryan B.

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Mesh-based graph convolutional neural networks for modeling materials with microstructure by Frankel, Ari, Safta, Cosmin, Alleman, Coleman, Jones, Reese

“…Predicting the evolution of a representative sample of a material with microstructure is a fundamental problem in homogenization. In this work we propose a…”
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Sensitivity of void mediated failure to geometric design features of porous metals by Teichert, Gregory H, Khalil, Mohammad, Alleman, Coleman, Garikipati, Krishna, Jones, Reese E

“…Material produced by current metal additive manufacturing processes is susceptible to variable performance due to imprecise control of internal porosity,…”
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Energy and stochasticity: the yin and yang of dislocation patterning by Deka, Nipal, Alleman, Coleman, Medlin, Douglas L., Sills, Ryan B.

“…Dislocations form patterns that strongly influence mechanical properties. Prevailing theories are dichotomous: patterns either form by energy minimization or…”
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Predicting the mechanical response of oligocrystals with deep learning by Frankel, Ari L, Jones, Reese E, Alleman, Coleman, Templeton, Jeremy A

“…In this work we employ data-driven homogenization approaches to predict the particular mechanical evolution of polycrystalline aggregates with tens of…”
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