A simple damage and fracture model of brain parenchyma for haptic brain surgery simulations
Journal of Biomechanical Science and Engineering, 2016 Dissection and removal of lesion areas are fundamental operations in brain surgeries. Therefore, damage and fracture models are needed to simulate dissection and removal operations.
Xiaoshuai CHEN +4 more
doaj +1 more source
Experimental study of the brittle–ductile transition in hot cutting of SG iron specimens [PDF]
, 2013 http://www.sciencedirect.com/science/article/pii/S0924013612002579The present paper investigates the brittle-ductile transition (BDT) of the primary shear zone during cutting of spheroidal graphite (SG) iron in the austenitization temperature range ...
EL MANSORI, Mohamed +2 more
core +1 more source
Use of Circumferentially Cracked Bar sample for CTOD fracture toughness determination in the upper shelf regime [PDF]
Fracture and Structural Integrity, 2014 In this work, the use of circumferentially cracked bar (CCB) sample to determine material fracture toughness in the upper shelf regime for carbon steels has been investigated.
D. Gentile +4 more
doaj +2 more sources
Sub-surface damage issues for effective fabrication of large optics [PDF]
, 2008 A new ultra precision large optics grinding machine, BoX®has been developed at Cranfield University. BoX®islocated at the UK's Ultra Precision Surfaces laboratory at the OpTIC Technium.
P. Morantz +13 more
core +1 more source
Chinese Journal of Mechanical Engineering, 2023 When simulating the process from elastic–plastic deformation, damage to failure in a metal structure collision, it is necessary to use the large shell element due to the calculation efficiency, but this would affect the accuracy of damage evolution ...
Wen Liu +4 more
doaj +1 more source
Localized Necking Model for Punching Fracture Simulation in Unstiffened and Stiffened Panels
Applied Sciences, 2021 The ductile fracture of thin-shell structures was studied here using a localized necking model. The punching experiments for unstiffened and stiffened panels were compared with numerical predictions using a combined ductile fracture and localized necking
Sung-Ju Park, Kookhyun Kim
doaj +1 more source
Comparative Study on Various Ductile Fracture Models for Marine Structural Steel EH36 [PDF]
한국해양공학회지, 2019 It is important to obtain reasonable predictions of the extent of the damage during maritime accidents such as ship collisions and groundings. Many fracture models based on different mechanical backgrounds have been proposed and can be used to estimate ...
Sung-Ju Park +3 more
doaj +1 more source
Modelling of Dynamic Behaviour of Orthotropic Metals Including Damage and Failure [PDF]
, 2012 A physically based material model for metals, with elastic plastic and damage/failure orthotropy is proposed in this paper. The model is defined within the frameworks of irreversible thermodynamics and configurational continuum mechanics and integrated ...
Djordjevic, Nenad +2 more
core +1 more source
Mesoscopic numerical study on ductile fracture in TRIP steel under reverse loading
Forces in Mechanics, 2022 The aim of this study is to elucidate the fracture mechanism of transformation-induced plasticity (TRIP) steel under reverse loading using a ductile damage simulation method.
Takashi Yasutomi +6 more
doaj +1 more source
Multiscale Modeling and Simulation of Damage by Void Nucleation and Growth [PDF]
, 2011 Voids are observed to be generated under sufficient loading in many materials, ranging from polymers and metals to biological tissues. The presence of these voids can have drastic implications at the macroscopic level including strong material softening ...
Reina Romo, Celia
core +1 more source