Tian, Ye; Pu, Shiming; Shi, Tielin; Xia, Qi A parametric divergence-free vector field method for the optimization of composite structures with curvilinear fibers. (English) Zbl 1506.74251 Comput. Methods Appl. Mech. Eng. 373, Article ID 113574, 20 p. (2021). MSC: 74P05 74E30 PDFBibTeX XMLCite \textit{Y. Tian} et al., Comput. Methods Appl. Mech. Eng. 373, Article ID 113574, 20 p. (2021; Zbl 1506.74251) Full Text: DOI
Kuzmin, Dmitri A new perspective on flux and slope limiting in discontinuous Galerkin methods for hyperbolic conservation laws. (English) Zbl 1506.65155 Comput. Methods Appl. Mech. Eng. 373, Article ID 113569, 21 p. (2021). MSC: 65M60 35L65 PDFBibTeX XMLCite \textit{D. Kuzmin}, Comput. Methods Appl. Mech. Eng. 373, Article ID 113569, 21 p. (2021; Zbl 1506.65155) Full Text: DOI arXiv
Yang, H. S.; Dong, C. Y.; Wu, Y. H. Non-conforming interface coupling and symmetric iterative solution in isogeometric FE-BE analysis. (English) Zbl 1506.74456 Comput. Methods Appl. Mech. Eng. 373, Article ID 113561, 47 p. (2021). MSC: 74S05 65N30 65D07 65N38 PDFBibTeX XMLCite \textit{H. S. Yang} et al., Comput. Methods Appl. Mech. Eng. 373, Article ID 113561, 47 p. (2021; Zbl 1506.74456) Full Text: DOI
Chouliaras, S. P.; Kaklis, P. D.; Kostas, K. V.; Ginnis, A. I.; Politis, C. G. An isogeometric boundary element method for 3D lifting flows using T-splines. (English) Zbl 1506.65238 Comput. Methods Appl. Mech. Eng. 373, Article ID 113556, 20 p. (2021). MSC: 65N38 65D07 PDFBibTeX XMLCite \textit{S. P. Chouliaras} et al., Comput. Methods Appl. Mech. Eng. 373, Article ID 113556, 20 p. (2021; Zbl 1506.65238) Full Text: DOI Link
Hong, Linxiong; Li, Huacong; Gao, Ning; Fu, Jiangfeng; Peng, Kai Random and multi-super-ellipsoidal variables hybrid reliability analysis based on a novel active learning kriging model. (English) Zbl 1506.62388 Comput. Methods Appl. Mech. Eng. 373, Article ID 113555, 22 p. (2021). MSC: 62N05 62M40 62P30 65C20 PDFBibTeX XMLCite \textit{L. Hong} et al., Comput. Methods Appl. Mech. Eng. 373, Article ID 113555, 22 p. (2021; Zbl 1506.62388) Full Text: DOI
Gee, Bruce; Gracie, Robert Comparison of fully-coupled and sequential solution methodologies for enhanced geothermal systems. (English) Zbl 1506.86005 Comput. Methods Appl. Mech. Eng. 373, Article ID 113554, 30 p. (2021). MSC: 86A04 74S05 65N30 74A15 74F10 74L10 86A70 PDFBibTeX XMLCite \textit{B. Gee} and \textit{R. Gracie}, Comput. Methods Appl. Mech. Eng. 373, Article ID 113554, 30 p. (2021; Zbl 1506.86005) Full Text: DOI
Haghighat, Ehsan; Juanes, Ruben SciANN: a Keras/Tensorflow wrapper for scientific computations and physics-informed deep learning using artificial neural networks. (English) Zbl 1506.65251 Comput. Methods Appl. Mech. Eng. 373, Article ID 113552, 18 p. (2021). MSC: 65Y15 68T07 PDFBibTeX XMLCite \textit{E. Haghighat} and \textit{R. Juanes}, Comput. Methods Appl. Mech. Eng. 373, Article ID 113552, 18 p. (2021; Zbl 1506.65251) Full Text: DOI arXiv
Sá, Luís F. N.; Yamabe, Paulo V. M.; Souza, Bruno C.; Silva, Emílio C. N. Topology optimization of turbulent rotating flows using Spalart-Allmaras model. (English) Zbl 1506.74295 Comput. Methods Appl. Mech. Eng. 373, Article ID 113551, 19 p. (2021). MSC: 74P15 76U05 PDFBibTeX XMLCite \textit{L. F. N. Sá} et al., Comput. Methods Appl. Mech. Eng. 373, Article ID 113551, 19 p. (2021; Zbl 1506.74295) Full Text: DOI
de Lucio, Mario; Bures, Miguel; Ardekani, Arezoo M.; Vlachos, Pavlos P.; Gomez, Hector Isogeometric analysis of subcutaneous injection of monoclonal antibodies. (English) Zbl 1506.76070 Comput. Methods Appl. Mech. Eng. 373, Article ID 113550, 18 p. (2021). MSC: 76M10 92B05 76Z05 65D07 65M60 PDFBibTeX XMLCite \textit{M. de Lucio} et al., Comput. Methods Appl. Mech. Eng. 373, Article ID 113550, 18 p. (2021; Zbl 1506.76070) Full Text: DOI
Morin, Léo; Brenner, Renald; Derrien, Katell; Dorhmi, Khaoula Periodic smoothing splines for FFT-based solvers. (English) Zbl 1506.65031 Comput. Methods Appl. Mech. Eng. 373, Article ID 113549, 22 p. (2021). MSC: 65D07 65T50 PDFBibTeX XMLCite \textit{L. Morin} et al., Comput. Methods Appl. Mech. Eng. 373, Article ID 113549, 22 p. (2021; Zbl 1506.65031) Full Text: DOI Link
Su, Wei; Zhang, Yonghao; Wu, Lei Multiscale simulation of molecular gas flows by the general synthetic iterative scheme. (English) Zbl 1506.76156 Comput. Methods Appl. Mech. Eng. 373, Article ID 113548, 26 p. (2021). MSC: 76P05 76M28 PDFBibTeX XMLCite \textit{W. Su} et al., Comput. Methods Appl. Mech. Eng. 373, Article ID 113548, 26 p. (2021; Zbl 1506.76156) Full Text: DOI Link
Kim, Philsu; Bak, Soyoon Algorithm for a cost-reducing time-integration scheme for solving incompressible Navier-Stokes equations. (English) Zbl 1506.76117 Comput. Methods Appl. Mech. Eng. 373, Article ID 113546, 20 p. (2021). MSC: 76M15 65M06 76D05 PDFBibTeX XMLCite \textit{P. Kim} and \textit{S. Bak}, Comput. Methods Appl. Mech. Eng. 373, Article ID 113546, 20 p. (2021; Zbl 1506.76117) Full Text: DOI
Huang, Yong; Beck, James L.; Li, Hui; Ren, Yulong Sequential sparse Bayesian learning with applications to system identification for damage assessment and recursive reconstruction of image sequences. (English) Zbl 1506.62265 Comput. Methods Appl. Mech. Eng. 373, Article ID 113545, 25 p. (2021). MSC: 62F15 62L12 65C20 94A08 PDFBibTeX XMLCite \textit{Y. Huang} et al., Comput. Methods Appl. Mech. Eng. 373, Article ID 113545, 25 p. (2021; Zbl 1506.62265) Full Text: DOI
van Mierlo, Conradus; Faes, Matthias G. R.; Moens, David Inhomogeneous interval fields based on scaled inverse distance weighting interpolation. (English) Zbl 1506.65027 Comput. Methods Appl. Mech. Eng. 373, Article ID 113542, 18 p. (2021). MSC: 65D05 65G40 PDFBibTeX XMLCite \textit{C. van Mierlo} et al., Comput. Methods Appl. Mech. Eng. 373, Article ID 113542, 18 p. (2021; Zbl 1506.65027) Full Text: DOI Link
Tsapetis, Dimitrios; Sotiropoulos, Gerasimos; Stavroulakis, George; Papadopoulos, Vissarion; Papadrakakis, Manolis A stochastic multiscale formulation for isogeometric composite Kirchhoff-Love shells. (English) Zbl 1506.74448 Comput. Methods Appl. Mech. Eng. 373, Article ID 113541, 25 p. (2021). MSC: 74S05 65N30 65D07 74K25 PDFBibTeX XMLCite \textit{D. Tsapetis} et al., Comput. Methods Appl. Mech. Eng. 373, Article ID 113541, 25 p. (2021; Zbl 1506.74448) Full Text: DOI
Pled, Florent; Desceliers, Christophe; Zhang, Tianyu A robust solution of a statistical inverse problem in multiscale computational mechanics using an artificial neural network. (English) Zbl 1506.74488 Comput. Methods Appl. Mech. Eng. 373, Article ID 113540, 30 p. (2021). MSC: 74S60 62M45 62M40 62P30 65C05 65C20 74G75 74Q05 68T05 PDFBibTeX XMLCite \textit{F. Pled} et al., Comput. Methods Appl. Mech. Eng. 373, Article ID 113540, 30 p. (2021; Zbl 1506.74488) Full Text: DOI arXiv
Muñoz-Matute, Judit; Pardo, David; Demkowicz, Leszek A DPG-based time-marching scheme for linear hyperbolic problems. (English) Zbl 1506.76094 Comput. Methods Appl. Mech. Eng. 373, Article ID 113539, 18 p. (2021). MSC: 76M10 65M60 PDFBibTeX XMLCite \textit{J. Muñoz-Matute} et al., Comput. Methods Appl. Mech. Eng. 373, Article ID 113539, 18 p. (2021; Zbl 1506.76094) Full Text: DOI
Gao, Wei; Matsunaga, Takuya; Duan, Guangtao; Koshizuka, Seiichi A coupled 3D isogeometric/least-square MPS approach for modeling fluid-structure interactions. (English) Zbl 1506.74401 Comput. Methods Appl. Mech. Eng. 373, Article ID 113538, 31 p. (2021). MSC: 74S05 65M60 65D07 74F10 76Dxx PDFBibTeX XMLCite \textit{W. Gao} et al., Comput. Methods Appl. Mech. Eng. 373, Article ID 113538, 31 p. (2021; Zbl 1506.74401) Full Text: DOI
Wu, Jian-Ying; Huang, Yuli; Zhou, Hao; Nguyen, Vinh Phu Three-dimensional phase-field modeling of mode I + II/III failure in solids. (English) Zbl 1506.74370 Comput. Methods Appl. Mech. Eng. 373, Article ID 113537, 30 p. (2021). MSC: 74R10 65N30 74R05 PDFBibTeX XMLCite \textit{J.-Y. Wu} et al., Comput. Methods Appl. Mech. Eng. 373, Article ID 113537, 30 p. (2021; Zbl 1506.74370) Full Text: DOI
Xie, Xiang; Liu, Yijun An adaptive model order reduction method for boundary element-based multi-frequency acoustic wave problems. (English) Zbl 1506.74470 Comput. Methods Appl. Mech. Eng. 373, Article ID 113532, 22 p. (2021). MSC: 74S15 65N38 65N99 74H45 PDFBibTeX XMLCite \textit{X. Xie} and \textit{Y. Liu}, Comput. Methods Appl. Mech. Eng. 373, Article ID 113532, 22 p. (2021; Zbl 1506.74470) Full Text: DOI
Neunteufel, Michael; Schöberl, Joachim Avoiding membrane locking with Regge interpolation. (English) Zbl 1506.74192 Comput. Methods Appl. Mech. Eng. 373, Article ID 113524, 16 p. (2021). MSC: 74K25 74S05 PDFBibTeX XMLCite \textit{M. Neunteufel} and \textit{J. Schöberl}, Comput. Methods Appl. Mech. Eng. 373, Article ID 113524, 16 p. (2021; Zbl 1506.74192) Full Text: DOI arXiv
Omella, Ángel Javier; Celorrio, Ricardo; Pardo, David Sensitivity and uncertainty analysis by discontinuous Galerkin of lock-in thermography for crack characterization. (English) Zbl 1506.80004 Comput. Methods Appl. Mech. Eng. 373, Article ID 113523, 14 p. (2021). MSC: 80M10 49Q12 80A23 PDFBibTeX XMLCite \textit{Á. J. Omella} et al., Comput. Methods Appl. Mech. Eng. 373, Article ID 113523, 14 p. (2021; Zbl 1506.80004) Full Text: DOI Link
Köbler, Jonathan; Magino, Nicola; Andrä, Heiko; Welschinger, Fabian; Müller, Ralf; Schneider, Matti A computational multi-scale model for the stiffness degradation of short-fiber reinforced plastics subjected to fatigue loading. (English) Zbl 1506.74063 Comput. Methods Appl. Mech. Eng. 373, Article ID 113522, 36 p. (2021). MSC: 74C05 74F05 PDFBibTeX XMLCite \textit{J. Köbler} et al., Comput. Methods Appl. Mech. Eng. 373, Article ID 113522, 36 p. (2021; Zbl 1506.74063) Full Text: DOI
Moutsanidis, Georgios; Li, Weican; Bazilevs, Yuri Reduced quadrature for FEM, IGA and meshfree methods. (English) Zbl 1506.65050 Comput. Methods Appl. Mech. Eng. 373, Article ID 113521, 29 p. (2021); corrigendum ibid. 381, Article ID 113833, 3 p. (2021). MSC: 65D30 PDFBibTeX XMLCite \textit{G. Moutsanidis} et al., Comput. Methods Appl. Mech. Eng. 373, Article ID 113521, 29 p. (2021; Zbl 1506.65050) Full Text: DOI
Chen, Chun-Pei; Chen, Yaxiong; Subbarayan, Ganesh Parametric stitching for smooth coupling of subdomains with non-matching discretizations. (English) Zbl 1506.65035 Comput. Methods Appl. Mech. Eng. 373, Article ID 113519, 37 p. (2021). MSC: 65D17 PDFBibTeX XMLCite \textit{C.-P. Chen} et al., Comput. Methods Appl. Mech. Eng. 373, Article ID 113519, 37 p. (2021; Zbl 1506.65035) Full Text: DOI
Zhao, Ze; Zhu, Qiming; Yan, Jinhui A thermal multi-phase flow model for directed energy deposition processes via a moving signed distance function. (English) Zbl 1506.74245 Comput. Methods Appl. Mech. Eng. 373, Article ID 113518, 15 p. (2021). MSC: 74N20 76T25 80A19 PDFBibTeX XMLCite \textit{Z. Zhao} et al., Comput. Methods Appl. Mech. Eng. 373, Article ID 113518, 15 p. (2021; Zbl 1506.74245) Full Text: DOI
Angeli, Andrea; Desmet, Wim; Naets, Frank Deep learning for model order reduction of multibody systems to minimal coordinates. (English) Zbl 1506.70010 Comput. Methods Appl. Mech. Eng. 373, Article ID 113517, 19 p. (2021). MSC: 70E55 70-08 PDFBibTeX XMLCite \textit{A. Angeli} et al., Comput. Methods Appl. Mech. Eng. 373, Article ID 113517, 19 p. (2021; Zbl 1506.70010) Full Text: DOI
Fu, Jinlong; Cui, Shaoqing; Cen, Song; Li, Chenfeng Statistical characterization and reconstruction of heterogeneous microstructures using deep neural network. (English) Zbl 1506.74233 Comput. Methods Appl. Mech. Eng. 373, Article ID 113516, 38 p. (2021). MSC: 74M25 74S60 68T07 PDFBibTeX XMLCite \textit{J. Fu} et al., Comput. Methods Appl. Mech. Eng. 373, Article ID 113516, 38 p. (2021; Zbl 1506.74233) Full Text: DOI Link
Wang, Kun; Sun, WaiChing; Du, Qiang A non-cooperative meta-modeling game for automated third-party calibrating, validating and falsifying constitutive laws with parallelized adversarial attacks. (English) Zbl 1506.91035 Comput. Methods Appl. Mech. Eng. 373, Article ID 113514, 33 p. (2021). MSC: 91A80 74A20 PDFBibTeX XMLCite \textit{K. Wang} et al., Comput. Methods Appl. Mech. Eng. 373, Article ID 113514, 33 p. (2021; Zbl 1506.91035) Full Text: DOI arXiv
Febrianto, Eky; Ortiz, Michael; Cirak, Fehmi Mollified finite element approximants of arbitrary order and smoothness. (English) Zbl 1506.74399 Comput. Methods Appl. Mech. Eng. 373, Article ID 113513, 22 p. (2021). MSC: 74S05 65N30 PDFBibTeX XMLCite \textit{E. Febrianto} et al., Comput. Methods Appl. Mech. Eng. 373, Article ID 113513, 22 p. (2021; Zbl 1506.74399) Full Text: DOI arXiv Link
Rolf-Pissarczyk, Malte; Li, Kewei; Fleischmann, Dominik; Holzapfel, Gerhard A. A discrete approach for modeling degraded elastic fibers in aortic dissection. (English) Zbl 1506.74214 Comput. Methods Appl. Mech. Eng. 373, Article ID 113511, 21 p. (2021). MSC: 74L15 74-10 74A45 PDFBibTeX XMLCite \textit{M. Rolf-Pissarczyk} et al., Comput. Methods Appl. Mech. Eng. 373, Article ID 113511, 21 p. (2021; Zbl 1506.74214) Full Text: DOI
Panagiotopoulos, Dionysios; Desmet, Wim; Deckers, Elke An automatic Krylov subspaces recycling technique for the construction of a global solution basis of non-affine parametric linear systems. (English) Zbl 1506.65058 Comput. Methods Appl. Mech. Eng. 373, Article ID 113510, 22 p. (2021). MSC: 65F10 PDFBibTeX XMLCite \textit{D. Panagiotopoulos} et al., Comput. Methods Appl. Mech. Eng. 373, Article ID 113510, 22 p. (2021; Zbl 1506.65058) Full Text: DOI
Xue, Tao; Wang, Yazhou; Aanjaneya, Mridul; Tamma, Kumar K.; Qin, Guoliang On a generalized energy conservation/dissipation time finite element method for Hamiltonian mechanics. (English) Zbl 1506.74455 Comput. Methods Appl. Mech. Eng. 373, Article ID 113509, 26 p. (2021). MSC: 74S05 65L05 70H05 PDFBibTeX XMLCite \textit{T. Xue} et al., Comput. Methods Appl. Mech. Eng. 373, Article ID 113509, 26 p. (2021; Zbl 1506.74455) Full Text: DOI
Irisarri, Diego; Hauke, Guillermo A posteriori error estimation and adaptivity based on VMS for the incompressible Navier-Stokes equations. (English) Zbl 1506.76082 Comput. Methods Appl. Mech. Eng. 373, Article ID 113508, 22 p. (2021). MSC: 76M10 65N30 65N15 65N50 76D05 PDFBibTeX XMLCite \textit{D. Irisarri} and \textit{G. Hauke}, Comput. Methods Appl. Mech. Eng. 373, Article ID 113508, 22 p. (2021; Zbl 1506.76082) Full Text: DOI
Rouwane, Ali; Bouclier, Robin; Passieux, Jean-Charles; Périé, Jean-Noël Adjusting fictitious domain parameters for fairly priced image-based modeling: application to the regularization of digital image correlation. (English) Zbl 1506.94008 Comput. Methods Appl. Mech. Eng. 373, Article ID 113507, 31 p. (2021). MSC: 94A08 65N30 PDFBibTeX XMLCite \textit{A. Rouwane} et al., Comput. Methods Appl. Mech. Eng. 373, Article ID 113507, 31 p. (2021; Zbl 1506.94008) Full Text: DOI
Regazzoni, F.; Quarteroni, A. An oscillation-free fully staggered algorithm for velocity-dependent active models of cardiac mechanics. (English) Zbl 1506.74213 Comput. Methods Appl. Mech. Eng. 373, Article ID 113506, 30 p. (2021). MSC: 74L15 65M60 92C50 PDFBibTeX XMLCite \textit{F. Regazzoni} and \textit{A. Quarteroni}, Comput. Methods Appl. Mech. Eng. 373, Article ID 113506, 30 p. (2021; Zbl 1506.74213) Full Text: DOI
Bonet, Javier; Lee, Chun Hean; Gil, Antonio J.; Ghavamian, Ataollah A first order hyperbolic framework for large strain computational solid dynamics. III: Thermo-elasticity. (English) Zbl 1506.74005 Comput. Methods Appl. Mech. Eng. 373, Article ID 113505, 53 p. (2021). MSC: 74A05 65M08 74B20 74S10 PDFBibTeX XMLCite \textit{J. Bonet} et al., Comput. Methods Appl. Mech. Eng. 373, Article ID 113505, 53 p. (2021; Zbl 1506.74005) Full Text: DOI
Simoes, Marlini; Martínez-Pañeda, Emilio Phase field modelling of fracture and fatigue in shape memory alloys. (English) Zbl 1506.74022 Comput. Methods Appl. Mech. Eng. 373, Article ID 113504, 22 p. (2021). MSC: 74A45 74D10 PDFBibTeX XMLCite \textit{M. Simoes} and \textit{E. Martínez-Pañeda}, Comput. Methods Appl. Mech. Eng. 373, Article ID 113504, 22 p. (2021; Zbl 1506.74022) Full Text: DOI arXiv
de Vaucorbeil, Alban; Nguyen, Vinh Phu Modelling contacts with a total Lagrangian material point method. (English) Zbl 1506.74491 Comput. Methods Appl. Mech. Eng. 373, Article ID 113503, 28 p. (2021). MSC: 74S99 65M99 74M15 PDFBibTeX XMLCite \textit{A. de Vaucorbeil} and \textit{V. P. Nguyen}, Comput. Methods Appl. Mech. Eng. 373, Article ID 113503, 28 p. (2021; Zbl 1506.74491) Full Text: DOI
Yang, Xiaofeng A novel fully-decoupled, second-order and energy stable numerical scheme of the conserved Allen-Cahn type flow-coupled binary surfactant model. (English) Zbl 1506.65173 Comput. Methods Appl. Mech. Eng. 373, Article ID 113502, 26 p. (2021). MSC: 65M70 65M12 PDFBibTeX XMLCite \textit{X. Yang}, Comput. Methods Appl. Mech. Eng. 373, Article ID 113502, 26 p. (2021; Zbl 1506.65173) Full Text: DOI
Qiu, Zhiping; Jiang, Nan An ellipsoidal Newton’s iteration method of nonlinear structural systems with uncertain-but-bounded parameters. (English) Zbl 1506.65195 Comput. Methods Appl. Mech. Eng. 373, Article ID 113501, 23 p. (2021). MSC: 65N22 70K25 PDFBibTeX XMLCite \textit{Z. Qiu} and \textit{N. Jiang}, Comput. Methods Appl. Mech. Eng. 373, Article ID 113501, 23 p. (2021; Zbl 1506.65195) Full Text: DOI
Patel, Ravi G.; Trask, Nathaniel A.; Wood, Mitchell A.; Cyr, Eric C. A physics-informed operator regression framework for extracting data-driven continuum models. (English) Zbl 1506.62383 Comput. Methods Appl. Mech. Eng. 373, Article ID 113500, 23 p. (2021). MSC: 62M45 65C20 PDFBibTeX XMLCite \textit{R. G. Patel} et al., Comput. Methods Appl. Mech. Eng. 373, Article ID 113500, 23 p. (2021; Zbl 1506.62383) Full Text: DOI arXiv
Eggersmann, Robert; Stainier, Laurent; Ortiz, Michael; Reese, Stefanie Model-free data-driven computational mechanics enhanced by tensor voting. (English) Zbl 1506.74492 Comput. Methods Appl. Mech. Eng. 373, Article ID 113499, 18 p. (2021). MSC: 74S99 65F99 74G65 68T05 PDFBibTeX XMLCite \textit{R. Eggersmann} et al., Comput. Methods Appl. Mech. Eng. 373, Article ID 113499, 18 p. (2021; Zbl 1506.74492) Full Text: DOI arXiv Link
Sela, Rafi; Zemach, Efi; Feldman, Yuri A semi-implicit direct forcing immersed boundary method for periodically moving immersed bodies: a Schur complement approach. (English) Zbl 1506.74464 Comput. Methods Appl. Mech. Eng. 373, Article ID 113498, 21 p. (2021). MSC: 74S10 76M12 65M08 74F10 76Z10 PDFBibTeX XMLCite \textit{R. Sela} et al., Comput. Methods Appl. Mech. Eng. 373, Article ID 113498, 21 p. (2021; Zbl 1506.74464) Full Text: DOI
Lei, Nuo; Cheng, Juan; Shu, Chi-Wang A high order positivity-preserving conservative WENO remapping method on 2D quadrilateral meshes. (English) Zbl 1506.65126 Comput. Methods Appl. Mech. Eng. 373, Article ID 113497, 29 p. (2021). MSC: 65M06 PDFBibTeX XMLCite \textit{N. Lei} et al., Comput. Methods Appl. Mech. Eng. 373, Article ID 113497, 29 p. (2021; Zbl 1506.65126) Full Text: DOI
Ma, Zhan; Pan, Wenxiao Data-driven nonintrusive reduced order modeling for dynamical systems with moving boundaries using Gaussian process regression. (English) Zbl 1506.65137 Comput. Methods Appl. Mech. Eng. 373, Article ID 113495, 25 p. (2021). MSC: 65M08 37M10 60G15 62G08 PDFBibTeX XMLCite \textit{Z. Ma} and \textit{W. Pan}, Comput. Methods Appl. Mech. Eng. 373, Article ID 113495, 25 p. (2021; Zbl 1506.65137) Full Text: DOI arXiv
Suzuki, Jorge; Zhou, Yongtao; D’Elia, Marta; Zayernouri, Mohsen A thermodynamically consistent fractional visco-elasto-plastic model with memory-dependent damage for anomalous materials. (English) Zbl 1506.74074 Comput. Methods Appl. Mech. Eng. 373, Article ID 113494, 25 p. (2021). MSC: 74C10 74F05 74S40 PDFBibTeX XMLCite \textit{J. Suzuki} et al., Comput. Methods Appl. Mech. Eng. 373, Article ID 113494, 25 p. (2021; Zbl 1506.74074) Full Text: DOI arXiv
Feng, Y. T. An energy-conserving contact theory for discrete element modelling of arbitrarily shaped particles: contact volume based model and computational issues. (English) Zbl 1506.74224 Comput. Methods Appl. Mech. Eng. 373, Article ID 113493, 32 p. (2021). MSC: 74M15 PDFBibTeX XMLCite \textit{Y. T. Feng}, Comput. Methods Appl. Mech. Eng. 373, Article ID 113493, 32 p. (2021; Zbl 1506.74224) Full Text: DOI Link
Wang, Nanzhe; Chang, Haibin; Zhang, Dongxiao Efficient uncertainty quantification for dynamic subsurface flow with surrogate by theory-guided neural network. (English) Zbl 1506.76178 Comput. Methods Appl. Mech. Eng. 373, Article ID 113492, 27 p. (2021). MSC: 76S05 74F10 PDFBibTeX XMLCite \textit{N. Wang} et al., Comput. Methods Appl. Mech. Eng. 373, Article ID 113492, 27 p. (2021; Zbl 1506.76178) Full Text: DOI arXiv
Dao, My Ha; Lou, Jing Simulations of laser assisted additive manufacturing by smoothed particle hydrodynamics. (English) Zbl 1506.74240 Comput. Methods Appl. Mech. Eng. 373, Article ID 113491, 20 p. (2021). MSC: 74N15 65M75 76M28 PDFBibTeX XMLCite \textit{M. H. Dao} and \textit{J. Lou}, Comput. Methods Appl. Mech. Eng. 373, Article ID 113491, 20 p. (2021; Zbl 1506.74240) Full Text: DOI
Kikis, G.; Ambati, M.; De Lorenzis, L.; Klinkel, S. Phase-field model of brittle fracture in Reissner-Mindlin plates and shells. (English) Zbl 1506.74357 Comput. Methods Appl. Mech. Eng. 373, Article ID 113490, 24 p. (2021). MSC: 74R10 74K20 74K25 PDFBibTeX XMLCite \textit{G. Kikis} et al., Comput. Methods Appl. Mech. Eng. 373, Article ID 113490, 24 p. (2021; Zbl 1506.74357) Full Text: DOI
Karimi, Ahmad; Taghizadeh, Leila; Heitzinger, Clemens Optimal Bayesian experimental design for electrical impedance tomography in medical imaging. (English) Zbl 1506.74255 Comput. Methods Appl. Mech. Eng. 373, Article ID 113489, 17 p. (2021). MSC: 74P10 74F15 PDFBibTeX XMLCite \textit{A. Karimi} et al., Comput. Methods Appl. Mech. Eng. 373, Article ID 113489, 17 p. (2021; Zbl 1506.74255) Full Text: DOI
Herrema, Austin J.; Johnson, Emily L.; Proserpio, Davide; Wu, Michael C. H.; Kiendl, Josef; Hsu, Ming-Chen Corrigendum to: “Penalty coupling of non-matching isogeometric Kirchhoff-love shell patches with application to composite wind turbine blades”. (English) Zbl 1470.74062 Comput. Methods Appl. Mech. Eng. 373, Article ID 113488, 1 p. (2021). MSC: 74S05 65N30 65D07 74K25 PDFBibTeX XMLCite \textit{A. J. Herrema} et al., Comput. Methods Appl. Mech. Eng. 373, Article ID 113488, 1 p. (2021; Zbl 1470.74062) Full Text: DOI
Jensen, H.; Jerez, D.; Beer, M. A general two-phase Markov chain Monte Carlo approach for constrained design optimization: application to stochastic structural optimization. (English) Zbl 1506.74248 Comput. Methods Appl. Mech. Eng. 373, Article ID 113487, 27 p. (2021). MSC: 74P05 74S60 PDFBibTeX XMLCite \textit{H. Jensen} et al., Comput. Methods Appl. Mech. Eng. 373, Article ID 113487, 27 p. (2021; Zbl 1506.74248) Full Text: DOI
Harmon, John M.; Karapiperis, Konstantinos; Li, Liuchi; Moreland, Scott; Andrade, José E. Modeling connected granular media: particle bonding within the level set discrete element method. (English) Zbl 1506.74084 Comput. Methods Appl. Mech. Eng. 373, Article ID 113486, 16 p. (2021). MSC: 74E20 74S05 76M10 65N30 PDFBibTeX XMLCite \textit{J. M. Harmon} et al., Comput. Methods Appl. Mech. Eng. 373, Article ID 113486, 16 p. (2021; Zbl 1506.74084) Full Text: DOI
Zhang, Xinshuai; Xie, Fangfang; Ji, Tingwei; Zhu, Zaoxu; Zheng, Yao Multi-fidelity deep neural network surrogate model for aerodynamic shape optimization. (English) Zbl 1506.74324 Comput. Methods Appl. Mech. Eng. 373, Article ID 113485, 25 p. (2021). MSC: 74P20 76G25 PDFBibTeX XMLCite \textit{X. Zhang} et al., Comput. Methods Appl. Mech. Eng. 373, Article ID 113485, 25 p. (2021; Zbl 1506.74324) Full Text: DOI
Tang, Shan; Yang, Hang; Qiu, Hai; Fleming, Mark; Liu, Wing Kam; Guo, Xu MAP123-EPF: a mechanistic-based data-driven approach for numerical elastoplastic modeling at finite strain. (English) Zbl 1506.74069 Comput. Methods Appl. Mech. Eng. 373, Article ID 113484, 20 p. (2021). MSC: 74C05 74S05 65N30 PDFBibTeX XMLCite \textit{S. Tang} et al., Comput. Methods Appl. Mech. Eng. 373, Article ID 113484, 20 p. (2021; Zbl 1506.74069) Full Text: DOI
Alsayyari, Fahad; Perkó, Zoltán; Tiberga, Marco; Kloosterman, Jan Leen; Lathouwers, Danny A fully adaptive nonintrusive reduced-order modelling approach for parametrized time-dependent problems. (English) Zbl 1506.74384 Comput. Methods Appl. Mech. Eng. 373, Article ID 113483, 21 p. (2021). MSC: 74S05 65M60 PDFBibTeX XMLCite \textit{F. Alsayyari} et al., Comput. Methods Appl. Mech. Eng. 373, Article ID 113483, 21 p. (2021; Zbl 1506.74384) Full Text: DOI
Logarzo, Hernan J.; Capuano, German; Rimoli, Julian J. Smart constitutive laws: inelastic homogenization through machine learning. (English) Zbl 1506.74336 Comput. Methods Appl. Mech. Eng. 373, Article ID 113482, 26 p. (2021). MSC: 74Q15 68T05 PDFBibTeX XMLCite \textit{H. J. Logarzo} et al., Comput. Methods Appl. Mech. Eng. 373, Article ID 113482, 26 p. (2021; Zbl 1506.74336) Full Text: DOI
Lee, Chaemin; Kim, San; Lee, Phill-Seung The strain-smoothed 4-node quadrilateral finite element. (English) Zbl 1506.74417 Comput. Methods Appl. Mech. Eng. 373, Article ID 113481, 29 p. (2021). MSC: 74S05 65N30 PDFBibTeX XMLCite \textit{C. Lee} et al., Comput. Methods Appl. Mech. Eng. 373, Article ID 113481, 29 p. (2021; Zbl 1506.74417) Full Text: DOI
Han, Seongji; Choi, Hee-Sun; Choi, Juhwan; Choi, Jin Hwan; Kim, Jin-Gyun A DNN-based data-driven modeling employing coarse sample data for real-time flexible multibody dynamics simulations. (English) Zbl 1506.65097 Comput. Methods Appl. Mech. Eng. 373, Article ID 113480, 33 p. (2021). MSC: 65L05 70E55 PDFBibTeX XMLCite \textit{S. Han} et al., Comput. Methods Appl. Mech. Eng. 373, Article ID 113480, 33 p. (2021; Zbl 1506.65097) Full Text: DOI
Zhou, Xiao-Ping; Tian, Da-Lang A novel linear elastic constitutive model for continuum-kinematics-inspired peridynamics. (English) Zbl 1506.74043 Comput. Methods Appl. Mech. Eng. 373, Article ID 113479, 37 p. (2021). MSC: 74A70 74B05 PDFBibTeX XMLCite \textit{X.-P. Zhou} and \textit{D.-L. Tian}, Comput. Methods Appl. Mech. Eng. 373, Article ID 113479, 37 p. (2021; Zbl 1506.74043) Full Text: DOI
Russ, Jonathan B.; Waisman, Haim A novel elastoplastic topology optimization formulation for enhanced failure resistance via local ductile failure constraints and linear buckling analysis. (English) Zbl 1506.74294 Comput. Methods Appl. Mech. Eng. 373, Article ID 113478, 38 p. (2021). MSC: 74P15 74C05 74G60 PDFBibTeX XMLCite \textit{J. B. Russ} and \textit{H. Waisman}, Comput. Methods Appl. Mech. Eng. 373, Article ID 113478, 38 p. (2021; Zbl 1506.74294) Full Text: DOI
Wang, Lei; Li, Zeshang; Ni, BoWen; Gu, Kaixuan Non-probabilistic reliability-based topology optimization (NRBTO) scheme for continuum structures based on the parameterized level-set method and interval mathematics. (English) Zbl 1506.74304 Comput. Methods Appl. Mech. Eng. 373, Article ID 113477, 24 p. (2021). MSC: 74P15 PDFBibTeX XMLCite \textit{L. Wang} et al., Comput. Methods Appl. Mech. Eng. 373, Article ID 113477, 24 p. (2021; Zbl 1506.74304) Full Text: DOI
Greco, L.; Cuomo, M. An implicit \(\operatorname{G}^1\)-conforming bi-cubic interpolation for the analysis of smooth and folded Kirchhoff-Love shell assemblies. (English) Zbl 1506.74404 Comput. Methods Appl. Mech. Eng. 373, Article ID 113476, 42 p. (2021). MSC: 74S05 65N30 65D07 74K25 PDFBibTeX XMLCite \textit{L. Greco} and \textit{M. Cuomo}, Comput. Methods Appl. Mech. Eng. 373, Article ID 113476, 42 p. (2021; Zbl 1506.74404) Full Text: DOI
Sargado, Juan Michael; Keilegavlen, Eirik; Berre, Inga; Nordbotten, Jan Martin A combined finite element-finite volume framework for phase-field fracture. (English) Zbl 1506.74365 Comput. Methods Appl. Mech. Eng. 373, Article ID 113474, 23 p. (2021). MSC: 74R10 74S05 65M08 65M60 PDFBibTeX XMLCite \textit{J. M. Sargado} et al., Comput. Methods Appl. Mech. Eng. 373, Article ID 113474, 23 p. (2021; Zbl 1506.74365) Full Text: DOI arXiv
Ulloa, Jacinto; Wambacq, Jef; Alessi, Roberto; Degrande, Geert; François, Stijn Phase-field modeling of fatigue coupled to cyclic plasticity in an energetic formulation. (English) Zbl 1506.74342 Comput. Methods Appl. Mech. Eng. 373, Article ID 113473, 37 p. (2021). MSC: 74R05 74C05 74-10 PDFBibTeX XMLCite \textit{J. Ulloa} et al., Comput. Methods Appl. Mech. Eng. 373, Article ID 113473, 37 p. (2021; Zbl 1506.74342) Full Text: DOI arXiv
Badri, M. A.; Rastiello, G.; Foerster, E. Preconditioning strategies for vectorial finite element linear systems arising from phase-field models for fracture mechanics. (English) Zbl 1506.74345 Comput. Methods Appl. Mech. Eng. 373, Article ID 113472, 29 p. (2021). MSC: 74R10 74S05 65M22 65M60 PDFBibTeX XMLCite \textit{M. A. Badri} et al., Comput. Methods Appl. Mech. Eng. 373, Article ID 113472, 29 p. (2021; Zbl 1506.74345) Full Text: DOI
Khalil, M.; Teichert, G. H.; Alleman, C.; Heckman, N. M.; Jones, R. E.; Garikipati, K.; Boyce, B. L. Modeling strength and failure variability due to porosity in additively manufactured metals. (English) Zbl 1506.74380 Comput. Methods Appl. Mech. Eng. 373, Article ID 113471, 29 p. (2021). MSC: 74R99 74F10 PDFBibTeX XMLCite \textit{M. Khalil} et al., Comput. Methods Appl. Mech. Eng. 373, Article ID 113471, 29 p. (2021; Zbl 1506.74380) Full Text: DOI arXiv
Mou, Changhong; Koc, Birgul; San, Omer; Rebholz, Leo G.; Iliescu, Traian Data-driven variational multiscale reduced order models. (English) Zbl 1506.65158 Comput. Methods Appl. Mech. Eng. 373, Article ID 113470, 36 p. (2021). MSC: 65M60 65M99 PDFBibTeX XMLCite \textit{C. Mou} et al., Comput. Methods Appl. Mech. Eng. 373, Article ID 113470, 36 p. (2021; Zbl 1506.65158) Full Text: DOI arXiv
Harper, Graham; Liu, Jiangguo; Tavener, Simon; Wildey, Tim Coupling Arbogast-Correa and Bernardi-Raugel elements to resolve coupled Stokes-Darcy flow problems. (English) Zbl 1506.76077 Comput. Methods Appl. Mech. Eng. 373, Article ID 113469, 20 p. (2021). MSC: 76M10 65N30 76D07 76S05 PDFBibTeX XMLCite \textit{G. Harper} et al., Comput. Methods Appl. Mech. Eng. 373, Article ID 113469, 20 p. (2021; Zbl 1506.76077) Full Text: DOI
Piersanti, Roberto; Africa, Pasquale C.; Fedele, Marco; Vergara, Christian; Dedè, Luca; Corno, Antonio F.; Quarteroni, Alfio Modeling cardiac muscle fibers in ventricular and atrial electrophysiology simulations. (English) Zbl 1506.74211 Comput. Methods Appl. Mech. Eng. 373, Article ID 113468, 33 p. (2021). MSC: 74L15 74F15 92C30 PDFBibTeX XMLCite \textit{R. Piersanti} et al., Comput. Methods Appl. Mech. Eng. 373, Article ID 113468, 33 p. (2021; Zbl 1506.74211) Full Text: DOI arXiv
Zhang, Yu; Xu, Jun Efficient reliability analysis with a CDA-based dimension-reduction model and polynomial chaos expansion. (English) Zbl 1506.65018 Comput. Methods Appl. Mech. Eng. 373, Article ID 113467, 25 p. (2021). MSC: 65C20 62N05 PDFBibTeX XMLCite \textit{Y. Zhang} and \textit{J. Xu}, Comput. Methods Appl. Mech. Eng. 373, Article ID 113467, 25 p. (2021; Zbl 1506.65018) Full Text: DOI
Li, X. F.; Li, H. B.; Zhao, J. Transgranular fracturing of crystalline rocks and its influence on rock strengths: insights from a grain-scale continuum-discontinuum approach. (English) Zbl 1506.74201 Comput. Methods Appl. Mech. Eng. 373, Article ID 113462, 31 p. (2021). MSC: 74L10 74E15 PDFBibTeX XMLCite \textit{X. F. Li} et al., Comput. Methods Appl. Mech. Eng. 373, Article ID 113462, 31 p. (2021; Zbl 1506.74201) Full Text: DOI
Feng, Y. T. An energy-conserving contact theory for discrete element modelling of arbitrarily shaped particles: basic framework and general contact model. (English) Zbl 1506.74223 Comput. Methods Appl. Mech. Eng. 373, Article ID 113454, 18 p. (2021). MSC: 74M15 74S05 65N30 PDFBibTeX XMLCite \textit{Y. T. Feng}, Comput. Methods Appl. Mech. Eng. 373, Article ID 113454, 18 p. (2021; Zbl 1506.74223) Full Text: DOI Link
Xu, Shuzhi; Liu, Jikai; Zou, Bin; Li, Quhao; Ma, Yongsheng Stress constrained multi-material topology optimization with the ordered SIMP method. (English) Zbl 1506.74308 Comput. Methods Appl. Mech. Eng. 373, Article ID 113453, 27 p. (2021). MSC: 74P15 74A10 PDFBibTeX XMLCite \textit{S. Xu} et al., Comput. Methods Appl. Mech. Eng. 373, Article ID 113453, 27 p. (2021; Zbl 1506.74308) Full Text: DOI
Saha, Sourav; Gan, Zhengtao; Cheng, Lin; Gao, Jiaying; Kafka, Orion L.; Xie, Xiaoyu; Li, Hengyang; Tajdari, Mahsa; Kim, H. Alicia; Liu, Wing Kam Hierarchical deep learning neural network (HiDeNN): an artificial intelligence (AI) framework for computational science and engineering. (English) Zbl 1506.68110 Comput. Methods Appl. Mech. Eng. 373, Article ID 113452, 28 p. (2021). MSC: 68T07 PDFBibTeX XMLCite \textit{S. Saha} et al., Comput. Methods Appl. Mech. Eng. 373, Article ID 113452, 28 p. (2021; Zbl 1506.68110) Full Text: DOI
Rosales, Rodolfo Ruben; Seibold, Benjamin; Shirokoff, David; Zhou, Dong High-order finite element methods for a pressure Poisson equation reformulation of the Navier-Stokes equations with electric boundary conditions. (English) Zbl 1506.76098 Comput. Methods Appl. Mech. Eng. 373, Article ID 113451, 28 p. (2021). MSC: 76M10 65M60 65L06 76D05 PDFBibTeX XMLCite \textit{R. R. Rosales} et al., Comput. Methods Appl. Mech. Eng. 373, Article ID 113451, 28 p. (2021; Zbl 1506.76098) Full Text: DOI arXiv
Khisamitov, Ildar; Meschke, Günther Variational interface element model for 2D and 3D hydraulic fracturing simulations. (English) Zbl 1506.74356 Comput. Methods Appl. Mech. Eng. 373, Article ID 113450, 32 p. (2021). MSC: 74R10 74A50 74F10 74S05 76S05 PDFBibTeX XMLCite \textit{I. Khisamitov} and \textit{G. Meschke}, Comput. Methods Appl. Mech. Eng. 373, Article ID 113450, 32 p. (2021; Zbl 1506.74356) Full Text: DOI
Hillman, Michael; Lin, Kuan-Chung Consistent weak forms for meshfree methods: full realization of \(h\)-refinement, \(p\)-refinement, and \(a\)-refinement in strong-type essential boundary condition enforcement. (English) Zbl 1506.74496 Comput. Methods Appl. Mech. Eng. 373, Article ID 113448, 29 p. (2021). MSC: 74S99 65N35 PDFBibTeX XMLCite \textit{M. Hillman} and \textit{K.-C. Lin}, Comput. Methods Appl. Mech. Eng. 373, Article ID 113448, 29 p. (2021; Zbl 1506.74496) Full Text: DOI
Jafari, A.; Vahab, M.; Khalili, N. Fully coupled XFEM formulation for hydraulic fracturing simulation based on a generalized fluid leak-off model. (English) Zbl 1506.74410 Comput. Methods Appl. Mech. Eng. 373, Article ID 113447, 20 p. (2021). MSC: 74S05 76S05 74F10 74R10 PDFBibTeX XMLCite \textit{A. Jafari} et al., Comput. Methods Appl. Mech. Eng. 373, Article ID 113447, 20 p. (2021; Zbl 1506.74410) Full Text: DOI
Zohdi, T. I. A digital twin framework for machine learning optimization of aerial fire fighting and pilot safety. (English) Zbl 1506.76028 Comput. Methods Appl. Mech. Eng. 373, Article ID 113446, 17 p. (2021). MSC: 76D07 68T05 70B10 90C59 PDFBibTeX XMLCite \textit{T. I. Zohdi}, Comput. Methods Appl. Mech. Eng. 373, Article ID 113446, 17 p. (2021; Zbl 1506.76028) Full Text: DOI
Barfusz, Oliver; Brepols, Tim; van der Velden, Tim; Frischkorn, Jan; Reese, Stefanie A single Gauss point continuum finite element formulation for gradient-extended damage at large deformations. (English) Zbl 1506.74339 Comput. Methods Appl. Mech. Eng. 373, Article ID 113440, 40 p. (2021). MSC: 74R05 74S05 65M60 74R10 PDFBibTeX XMLCite \textit{O. Barfusz} et al., Comput. Methods Appl. Mech. Eng. 373, Article ID 113440, 40 p. (2021; Zbl 1506.74339) Full Text: DOI
Caylak, Ismail; Penner, Eduard; Mahnken, Rolf Mean-field and full-field homogenization with polymorphic uncertain geometry and material parameters. (English) Zbl 1506.74326 Comput. Methods Appl. Mech. Eng. 373, Article ID 113439, 22 p. (2021). MSC: 74Q05 74A40 PDFBibTeX XMLCite \textit{I. Caylak} et al., Comput. Methods Appl. Mech. Eng. 373, Article ID 113439, 22 p. (2021; Zbl 1506.74326) Full Text: DOI
Cheng, Long; Du, Lin; Wang, Xiaoyu; Sun, Xiaofeng; Tucker, Paul G. A semi-implicit immersed boundary method for simulating viscous flow-induced sound with moving boundaries. (English) Zbl 1506.76147 Comput. Methods Appl. Mech. Eng. 373, Article ID 113438, 22 p. (2021). MSC: 76N06 76M10 76Q05 PDFBibTeX XMLCite \textit{L. Cheng} et al., Comput. Methods Appl. Mech. Eng. 373, Article ID 113438, 22 p. (2021; Zbl 1506.76147) Full Text: DOI
Magisano, Domenico; Leonetti, Leonardo; Garcea, Giovanni Isogeometric analysis of 3D beams for arbitrarily large rotations: locking-free and path-independent solution without displacement DOFs inside the patch. (English) Zbl 1506.74172 Comput. Methods Appl. Mech. Eng. 373, Article ID 113437, 31 p. (2021). MSC: 74K10 74S22 PDFBibTeX XMLCite \textit{D. Magisano} et al., Comput. Methods Appl. Mech. Eng. 373, Article ID 113437, 31 p. (2021; Zbl 1506.74172) Full Text: DOI
Zhu, Lixing; Masud, Arif Variationally derived interface stabilization for discrete multiphase flows and relation with the ghost-penalty method. (English) Zbl 1506.76140 Comput. Methods Appl. Mech. Eng. 373, Article ID 113404, 32 p. (2021). MSC: 76M30 76Txx 65M60 76M10 PDFBibTeX XMLCite \textit{L. Zhu} and \textit{A. Masud}, Comput. Methods Appl. Mech. Eng. 373, Article ID 113404, 32 p. (2021; Zbl 1506.76140) Full Text: DOI
Manzoor, Shahid; Edwards, Michael G.; Dogru, Ali H. Three-dimensional unstructured gridding for complex wells and geological features in subsurface reservoirs, with CVD-MPFA discretization performance. (English) Zbl 1506.74202 Comput. Methods Appl. Mech. Eng. 373, Article ID 113389, 33 p. (2021). MSC: 74L10 65N50 86-08 PDFBibTeX XMLCite \textit{S. Manzoor} et al., Comput. Methods Appl. Mech. Eng. 373, Article ID 113389, 33 p. (2021; Zbl 1506.74202) Full Text: DOI
Calo, V. M.; Łoś, M.; Deng, Q.; Muga, I.; Paszyński, M. Isogeometric residual minimization method (iGRM) with direction splitting preconditioner for stationary advection-dominated diffusion problems. (English) Zbl 1506.76066 Comput. Methods Appl. Mech. Eng. 373, Article ID 113214, 16 p. (2021). MSC: 76M10 65N30 65D07 PDFBibTeX XMLCite \textit{V. M. Calo} et al., Comput. Methods Appl. Mech. Eng. 373, Article ID 113214, 16 p. (2021; Zbl 1506.76066) Full Text: DOI arXiv