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Remeshing-Free Graph-Based Finite Element Method for Ductile and Brittle Fracture [article]

Avirup Mandal, Parag Chaudhuri, Subhasis Chaudhuri
2022 arXiv   pre-print
We fracture objects made of a variety of brittle and ductile materials, and show that our technique offers stability and speed that is unmatched in current literature.  ...  We simulate standard laboratory experiments from structural mechanics and compare the results with corresponding real-world experiments.  ...  On the other hand, the particle based material point methods have shortcomings with respect to imposing boundary conditions, high computational cost and rigidity of fragmented seg- [13] deal with solving  ... 
arXiv:2103.14870v2 fatcat:jijpq2mwofelbebegs7tpgntle

CD-MPM

Joshuah Wolper, Yu Fang, Minchen Li, Jiecong Lu, Ming Gao, Chenfanfu Jiang
2019 ACM Transactions on Graphics  
Both methods can be easily integrated into any existing MPM solver, enabling the simulation of various fracturing materials with extremely high visual fidelity while requiring little additional computational  ...  We tear a slice of bread with more than 11 million PFF-MPM particles, revealing intricate fracture patterns and natural dynamics.  ...  ACKNOWLEDGMENTS We would like to thank Matt Alexander for bringing Figs. 12 and 13 to life, Johan Gaume for useful discussions, Hannah Bollar for narrating the video, and the anonymous reviewers for their  ... 
doi:10.1145/3306346.3322949 fatcat:mweli7pdhzbu3cvnycnmaqsyx4

Phenomenological Ductile Fracture Criteria Applied To The Cutting Process

František Šebek, Petr Kubík, Jindřich Petruška, Jiří Hůlka
2014 Zenodo  
Concluding remarks then make the summary of gained experience both with the calibration and application of particular ductile fracture criteria.  ...  material constants of selected phenomenological ductile fracture models.  ...  ACKNOWLEDGMENT This work is an output of cooperation between grant project FSI-S-14-2311 and NETME Centre, regional R&D centre built with the financial support from the Operational Programme Research and  ... 
doi:10.5281/zenodo.1097228 fatcat:46r6b33jznbmdbdztzymxo4zuy

Computational aspects of steel fracturing pertinent to naval requirements

P. Matic, A. Geltmacher, B. Rath
2015 Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences  
This paper reviews how analytical and computational tools, driving simulation methods and experimental techniques, were developed to provide ongoing insights into the material, damage and fracture characteristics  ...  Strength and ductility provided the designers and builders of navy surface ships and submarines with the opportunity to reduce ship structural weight, increase hull stiffness, increase damage resistance  ...  The authors thank Drs Richard Everett, Virginia DeGiorgi and Siddiq Qidwai of the Naval Research Laboratory for their helpful discussions.  ... 
doi:10.1098/rsta.2014.0127 pmid:25713445 fatcat:dna5bjsmnzfrxfh73bbjrlryw4

Failure Prediction Capability of Generalized Plastic Work Criterion

Toros Arda Aksen, Bora Sener, Mehmet Firat
2020 Procedia Manufacturing  
The fracture strain in the uniaxial tensile test and limit strains of each Nakajima sample were predicted and the predicted results were compared with the experimental results.  ...  The fracture strain in the uniaxial tensile test and limit strains of each Nakajima sample were predicted and the predicted results were compared with the experimental results.  ...  In the visual method, the last seconds in the video before necking/cracking are investigated, while in the positiondependent method investigation starts with the location of the crack path form the last  ... 
doi:10.1016/j.promfg.2020.04.190 fatcat:oi5whaogdbajfiyu2af2momcam

Phase-field simulation of ductile fracture in shell structures

Davide Proserpio, Marreddy Ambati, Laura De Lorenzis, Josef Kiendl
2021 Computer Methods in Applied Mechanics and Engineering  
Thanks to the adoption of time-and space-adaptivity strategies, it is possible to simulate the failure of complex structures with a reasonable computational effort.  ...  We study the mesh dependency of the numerical model and we show that mesh refinement allows for capturing important features of ductile fracture such as cracking along shear bands.  ...  Acknowledgments The authors gratefully acknowledge the support from the European Research Council through the ERC Consolidator Grant  ... 
doi:10.1016/j.cma.2021.114019 fatcat:zfetvfamsjf77aspf7mlbisvz4

Some Aspects of Structural Modeling of Damage Accumulation and Fracture Processes in Metal Structures at Low Temperature

Valeriy Lepov, Albert Grigoriev, Valentina Achikasova, Kyunna Lepova
2016 Modelling and Simulation in Engineering  
From now on, the proposed mechanism would be used for theoretical and numerical modeling of damage accumulation and fracture in materials.  ...  The problem of brittle fracture of structures at low temperature conditions connected to damage accumulation and ductile-brittle transition in metals.  ...  Acknowledgments This research has been partially supported by Russian Foundation for Basic Research (Project 15-41-05010) and Federal Agency of Scientific Organization of Ministry of Science and Education  ... 
doi:10.1155/2016/7178028 fatcat:nxdigdkosfhpvcbpbnuk3nekxi

Simulation of particle deformation within a compressed packed bed

Leela Kempton, David Pinson, Sheng Chew, Paul Zulli, Aibing Yu
2017 Powder Technology  
Effects of temperature on material properties are established through the use of simulations of material under compression, with the results compared to experimental data.  ...  Effects of temperature on material properties are established through the use of simulations of material under compression, with the results compared to experimental data.  ...  Acknowledgements This research was supported under Australian Research Council's Linkage Projects funding scheme (LP0883512) and the support of BlueScope Ltd. is gratefully acknowledged.  ... 
doi:10.1016/j.powtec.2017.07.082 fatcat:vmesm6drlrho5dk2tycxwnuhki

Damage model calibration and application for S355 steel

João Ribeiro, Aldina Santiago, Constança Rigueiro
2016 Procedia Structural Integrity  
It is done by comparing the results reached from an undamaged analysis and the ones obtained from a damaged analysis using a ductile failure with "element deletion" technique to simulate the fracture.  ...  It is done by comparing the results reached from an undamaged analysis and the ones obtained from a damaged analysis using a ductile failure with "element deletion" technique to simulate the fracture.  ...  scope of the project POCI-01-0145-FEDER-007633.  ... 
doi:10.1016/j.prostr.2016.06.085 fatcat:67a6e4nronf3fm2odrgo63jum4

Ductile crack growth based on damage criterion: Experimental and numerical studies

M. Mashayekhi, S. Ziaei-Rad, J. Parvizian, J. Niklewicz, H. Hadavinia
2007 Mechanics of materials (Print)  
The continuum mechanical simulation of the microstructural damage process is important in the study of ductile fracture mechanics.  ...  The critical load at crack growth initiation and the fracture toughness, J Ic , has also been predicted from the simulation.  ...  fracture behaviour in ductile materials (Lemaitre and Chaboche, 1990) .  ... 
doi:10.1016/j.mechmat.2006.10.004 fatcat:uve6dmgdpba5njubl4osorrbcy

Fracture modeling in computer graphics

Lien Muguercia, Carles Bosch, Gustavo Patow
2014 Computers & graphics  
This master thesis focuses on the study of the state of the art on crack and fracture modeling.  ...  This process is one of the aging phenomena with an important amount of work done, due to its complexity and its extended application area.  ...  Also thanks to Xavier Pueyo for giving me the opportunity to be part of this group today and for all his support. Thanks to my Cubans colleagues for encouraging me at every time.  ... 
doi:10.1016/j.cag.2014.08.006 fatcat:e2c7646tkbcozlmi22cvvcysim

Modeling and simulation of large-scale ductile fracture in plates and shells

Bo Ren, Shaofan Li
2012 International Journal of Solids and Structures  
The work is concerned with the modeling and simulation of large scale ductile fracture in plate and shell structures.  ...  Numerical simulations of crack propagation in stiffened plates and shells demonstrate that the proposed method provides an effective means to simulate ductile fracture in large scale plate/shell structures  ...  We would like to thank the anonymous referees who have made many valuable comments and suggestions to the manuscript of this paper.  ... 
doi:10.1016/j.ijsolstr.2012.04.033 fatcat:oomngnybuzcjpmr2rl6k7vnoxy

Establishment of Thermal Ductile Fracture Criterion for As-Cast 42CrMo Steel and Its Application in Hot Ring Rolling Process

Yuanyuan Chen, Huiping Qi, Yongtang Li, Lin Hua, Philip Eisenlohr
2021 Advances in Materials Science and Engineering  
Based on Oyane criterion, the thermal ductile fracture criterion was established in conjunction with the model of critical fracture strain.  ...  The casting-rolling compound forming process of ring parts is an advanced plastic forming technology that has been developed due to the merits of high efficiency and energy and material saving.  ...  Acknowledgments is research was supported by the National Natural Science Foundation of China (grant nos. 51875383 and 51575371).  ... 
doi:10.1155/2021/9120018 fatcat:ltkhfadoy5civktjtztszw6x3y

Direct atomistic simulation of brittle-to-ductile transition in silicon single crystals

Dipanjan Sen, Alan Cohen, Aidan P. Thompson, Adri Van Duin, William A. Goddard III, Markus J Buehler
2010 Materials Research Society Symposium Proceedings  
For these applications, a thorough understanding of the fracture behavior of the material is critical.  ...  Direct atomistic simulation of brittle-to-ductile transition in silicon single crystals.  ...  ACKNOWLEDGMENTS: The authors acknowledge support from ARO (W911NF-06-1-0291), DARPA and NSF-ITR. AC acknowledges support from MIT's UROP program.  ... 
doi:10.1557/proc-1272-pp04-13 fatcat:wobajih77recte2vdb6ob6t4re

Cleavage fracture assessment of cold charged steel slabs using experimental and numerical approaches

Reza H. Talemi, Negar Gilani, Quang Tien Ngo, Antônio de Souza Braga Neto, Annick Willems
2018 Procedia Structural Integrity  
The data that was gathered was fed into the FEM model and different simulations were run, first with a simplified 3D rectangular block shape, in order to better establish the model, and then with the real  ...  Fracture surfaces of broken samples have been analyzed using Scanning Electron Microscope (SEM) to understand ductile and brittle fracture appearances at the elevated temperatures.  ...  The visual aspect of the fracture surfaces of the samples tested at 400°C and 500°C was hard to be interpreted concerning the ratio of brittle area and ductile area.  ... 
doi:10.1016/j.prostr.2018.12.128 fatcat:lwkv36uxtnerpnq4rknvftt2pu
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