Suchergebnisse - "Numerical algorithms"

Modeling the role of local crystallographic correlations in microstructures of Ti-6Al-4V using a correlated structure visco-plastic self-consistent polycrystal plasticity formulation von Riyad, Iftekhar A., Feather, William G., Vasilev, Evgenii, Lebensohn, Ricardo A., McWilliams, Brandon A., Pilchak, Adam L., Knezevic, Marko

“… This paper presents a multi-level crystal plasticity-based simulation framework for modeling mechanical response and microstructure evolution of Ti-6Al-4V with …”
Volltext

Coupled time and space homogenization of viscoelastic–viscoplastic composite materials under large numbers of loading cycles von Doghri, I., Haddad, M., Tsilimidos, G., Haouala, S.

“… A coupled time and space homogenization formulation is proposed for heterogeneous micro-structures with viscoelastic–viscoplastic (VE–VP) constituents and …”
Volltext

The Bounded and Precise Word Problems for Presentations of Groups von Ivanov, S. V.

“… We introduce and study the bounded word problem and the precise word problem for groups given by means of generators and defining relations. For example, for …”
Volltext

Modeling of the thermo-mechanical response and texture evolution of WE43 Mg alloy in the dynamic recrystallization regime using a viscoplastic self-consistent formulation von Zecevic, Miroslav, Knezevic, Marko, McWilliams, Brandon, Lebensohn, Ricardo A.

“… This paper presents a microstructure sensitive model for predicting mechanical response and texture evolution of metals in the dynamic recrystallization …”
Volltext

Machine learning-based multi-objective optimization for efficient identification of crystal plasticity model parameters von Veasna, Khem, Feng, Zhangxi, Zhang, Qi, Knezevic, Marko

“… A set of constitutive model parameters along with crystallography governs the activation of deformation mechanisms in crystal plasticity. The constitutive …”
Volltext

Modelling recrystallization textures driven by intragranular fluctuations implemented in the viscoplastic self-consistent formulation von Zecevic, Miroslav, Lebensohn, Ricardo A., McCabe, Rodney J., Knezevic, Marko

“… This paper presents a recrystallization model driven by intragranular orientation gradients and strain energy fields calculated by means of the viscoplastic …”
Volltext

Exascale applications: skin in the game von Alexander, Francis, Almgren, Ann, Bell, John, Bhattacharjee, Amitava, Chen, Jacqueline, Colella, Phil, Daniel, David, DeSlippe, Jack, Diachin, Lori, Draeger, Erik, Dubey, Anshu, Dunning, Thom, Evans, Thomas, Foster, Ian, Francois, Marianne, Germann, Tim, Gordon, Mark, Habib, Salman, Halappanavar, Mahantesh, Hamilton, Steven, Hart, William, Henry Huang, Zhenyu, Hungerford, Aimee, Kasen, Daniel, Kent, Paul R C, Kolev, Tzanio, Kothe, Douglas B, Kronfeld, Andreas, Luo, Ye, Mackenzie, Paul, McCallen, David, Messer, Bronson, Mniszewski, Sue, Oehmen, Chris, Perazzo, Amedeo, Perez, Danny, Richards, David, Rider, William J, Rieben, Rob, Roche, Kenneth, Siegel, Andrew, Sprague, Michael, Steefel, Carl, Stevens, Rick, Syamlal, Madhava, Taylor, Mark, Turner, John, Vay, Jean-Luc, Voter, Artur F, Windus, Theresa L, Yelick, Katherine

“… As noted in Wikipedia, refers to having 'incurred risk by being involved in achieving a goal', where ' is a synecdoche for the person involved, and is the …”
Weitere Angaben

Glide mobility of the 1/2[1 1 0](0 0 1) edge dislocation in UO2 from molecular dynamics simulation von Lunev, A.V., Kuksin, A.Yu, Starikov, S.V.

“… Both the mechanical properties of oxide nuclear fuel and the high burn-up grain restructuring are known to be related to dislocation motion. Previous studies …”
Volltext

Zeroing neural networks: A survey von Jin, Long, Li, Shuai, Liao, Bolin, Zhang, Zhijun

“… Using neural networks to handle intractability problems and solve complex computation equations is becoming common practices in academia and industry. It has …”
Volltext

On the strain delocalization mechanism of Cu/Nb nanolayered composites with amorphous interfacial layers von Wang, Yaodong, Li, Jianjun, Li, Jiejie, Chen, Shaohua

Volltext

Numerical algorithms using reproducing kernels for oscillatory boundary value problems von Geng, F.Z., Wu, X.Y.

“… As is known, it is perceived as a difficult problem to obtain an effective approximate solution to boundary value problems (BVPs) with highly oscillatory …”
Volltext

Characterizing viscoelastic materials via ensemble-based data assimilation of bubble collapse observations von Spratt, Jean-Sebastien, Rodriguez, Mauro, Schmidmayer, Kevin, Bryngelson, Spencer H., Yang, Jin, Franck, Christian, Colonius, Tim

“… Viscoelastic material properties at high strain rates are needed to model many biological and medical systems. Bubble cavitation can induce such strain rates, …”
Volltext

Study of the interplay between lower-order and higher-order energetic strain-gradient effects in polycrystal plasticity von Christodoulou, Paul G., Lebensohn, Ricardo A., Beyerlein, Irene J.

“… Strain-gradient (SG) plasticity refers to a class of non-local theories in which gradients of plastic slip determine the storage of geometrically necessary …”
Volltext

Electro-thermal-mechanical coupled crystal plasticity modeling of Ni-based superalloy during electrically assisted deformation von Gao, Jia, Li, Hongwei, Sun, Xinxin, Zhang, Xin, Zhan, Mei

“… •An electro-thermal-mechanical coupled model based on crystal plasticity theory.•Targeted effect of electric current on joule heating and dislocation …”
Volltext

An implicit formulation of the elasto-plastic self-consistent polycrystal plasticity model and its implementation in implicit finite elements von Zecevic, Milovan, Knezevic, Marko

“… •An implicit formulation of the elasto-plastic self-consistent crystal plasticity model is developed.•A system of non-linear equations is suitably defined at …”
Volltext

A comparative study between elasto-plastic self-consistent crystal plasticity and anisotropic yield function with distortional hardening formulations for sheet metal forming von Feng, Zhangxi, Yoon, Seong-Yong, Choi, Jae-Hyun, Barrett, Timothy J., Zecevic, Milovan, Barlat, Frederic, Knezevic, Marko

“… •Elasto-plastic self-consistent (EPSC) and homogeneous anisotropic hardening (HAH) models are adjusted for alloy AA6022-T4.•The models capture nonlinear …”
Volltext

Nonlinear optical properties and applications of 2D materials: theoretical and experimental aspects von You, J.W., Bongu, S.R., Bao, Q., Panoiu, N.C.

“… In this review, we survey the recent advances in nonlinear optics and the applications of two-dimensional (2D) materials. We briefly cover the key developments …”
Volltext

Towards a greater understanding of serrated flows in an Al-containing high-entropy-based alloy von Brechtl, J., Chen, S.Y., Xie, X., Ren, Y., Qiao, J.W., Liaw, P.K., Zinkle, S.J.

“… A serrated flow, which occurs in a material undergoing mechanical deformation, is a complex process of great engineering significance. Here statistical, …”
Volltext

A computationally fast and accurate procedure for the identification of the Chaboche isotropic-kinematic hardening model parameters based on strain-controlled cycles and asymptotic ratcheting rate von Santus, C., Grossi, T., Romanelli, L., Pedranz, M., Benedetti, M.

“… The Chaboche isotropic-kinematic hardening (CIKH) model provides a versatile and realistic description of the material stress–strain behavior under generic …”
Volltext

A model for dislocation creep in polycrystalline Ni-base superalloys at intermediate temperatures von Galindo-Nava, E.I., Schlütter, R., Messé, O.M.D.M., Argyrakis, C., Rae, C.M.F.

“… A model for creep at intermediate temperatures in polycrystalline Ni-based superalloys is presented. The model is based on describing stacking fault …”
Volltext