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Instabilities in the axisymmetric magnetoelastic deformation of a cylindrical membrane
2018
International Journal of Solids and Structures
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A variational formulation based on magnetization is used and the computational results obtained by using four elastic constitutive models (neo-Hookean, Mooney-Rivlin, Ogden, and Arruda-Boyce) are studied ...
For example, neo-Hookean model can not predict strain hardening; most Mooney-Rivlin models can not predict bulging in long cylindrical membranes while neo-Hookean model does (Skala, 1970) . ...
Hence the results for a neo-Hookean material only will be discussed further. ...
doi:10.1016/j.ijsolstr.2017.12.015
fatcat:rgrdhskd2zc5djv3hiiz3r2y7a
Buckling soft tensegrities: Fickle elasticity and configurational switching in living cells
2019
Journal of the mechanics and physics of solids
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2019 pre-print arXiv:1904.04610v1 fatcat:i5nbvsv3wbh23jejhppnxg6hoi
C-D) Equivalent shear modulus KS (and, in the inset, nominal stress PS) versus the equivalent shear strain γeq, for Hencky and neo-Hookean elements. ...
The results, obtained by means of Hencky and neo-Hookean models, did not exhibit significant differences in terms of deformed configurations and therefore an unique plot was reported. ...
doi:10.1016/j.jmps.2018.10.017
fatcat:l4dn7bfvizgkxouk62jvs4ay5a
Strain limiting for soft finger contact simulation
2013
2013 World Haptics Conference (WHC)
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In this paper, we propose an algorithm to simulate nonlinear elasticity under frictional contact, with the goal of establishing a model-based strategy to command haptic devices and to render direct hand ...
The key novelty in our algorithm is an approach to model the extremely nonlinear elasticity of finger skin and flesh using strainlimiting constraints, which are seamlessly combined with frictional contact ...
However, simulations of human tissue in computational mechanics resort to hyperelastic biologically-inspired models such as Ogden, Neo-Hookean or Mooney-Rivlin [22] . ...
doi:10.1109/whc.2013.6548388
dblp:conf/haptics/PerezCHGO13
fatcat:niasnnc3yncmlm644jwd7xwqaa
Dynamic deformables
2022
ACM SIGGRAPH 2022 Courses
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Simulating dynamic deformation has been an integral component of Pixar's storytelling since Boo's shirt in Monsters, Inc. (2001). ...
This new formulation is only a starting point for creating a simulator that is up challenges of a production environment. ...
Many of these improvements have been spread across technical papers and talks presented the last two years at SIGGRAPH: • Stable Neo-Hookean Flesh Simulation, Breannan Smith, Fernando de Goes, Theodore ...
doi:10.1145/3532720.3535628
fatcat:64aso4dd5vbb5flouo5hsm5jva
The material point method for simulating continuum materials
2016
ACM SIGGRAPH 2016 Courses on - SIGGRAPH '16
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Neo-Hookean Neo-Hookean is one of the most common nonlinear hyperelastic models for predicting large deformations of elastic materials. ...
For Neo-Hookean, the result is P = µ(F − F −T ) + λ log(J)F −T . (48) Note that ∂P ∂F is further needed for implicit integration. We provide in Section 6.4 a practical way to do so. . ...
been initialized (i.e. each particle has a mass m p , volume V 0 p , initial position x p , initial velocity v p , affine matrix B p and their material-related parameters (such as µ and λ in the case of Neo-Hookean ...
doi:10.1145/2897826.2927348
dblp:conf/siggraph/JiangSTSS16
fatcat:53ln4yklqrhcffljjbhhan4gt4
On a new model for inhomogeneous volume growth of elastic bodies
2014
Journal of The Mechanical Behavior of Biomedical Materials
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In doing so, we use the elementary isotropic Neo-Hookean material for the purely mechanical characteristics. ...
Three types of cable ties, differ from each other by their rigidities, have been considered using the Neo-Hookean material law. The used parameters are summarised in Table 2 . ...
doi:10.1016/j.jmbbm.2013.01.027
pmid:23608182
fatcat:pjfud2tjsvb6tizmam4octos74
Computational Design of Skinned Quad-Robots
2019
IEEE Transactions on Visualization and Computer Graphics
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We validate the feasibility of designs generated with our system through physics simulations and with a physically-fabricated prototype. ...
We opt to model the soft skin using the neo-Hookean material model [77] because it has been demonstrated to be well suited for robotic skins made out of silicone [78] We propose a computational fabrication ...
The muscle and flesh surrounding the skeleton provides diverse morphologies, enriched expressivity. ...
doi:10.1109/tvcg.2019.2957218
pmid:31804937
fatcat:pj5a6bopajamxkfktec2e5wuu4
Growth induced buckling instability of anisotropic tube and its application in wound edge instability
2017
Curved and Layered Structures
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Method
Strain energy functions When we need to describe isotropic material, the isotropic Neo-Hookean model is adopted: W iso = µ iso 2 (︁ α 2 1 + α 2 2 − 2 )︁ (1) where α 1 and α 2 are strains in radical ...
[1] and Nicholas Fang [2] , and are revealed to be related to growth of the soft flesh confined by outer stiff layer. ...
doi:10.1515/cls-2017-0013
fatcat:6osuv3nkpjep7htke5s6f6wqyu
Bioinspired Multiscale Wrinkling Patterns on Curved Substrates: An Overview
2020
Nano-Micro Letters
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Up to date, the wrinkling morphologies on solid/hollow core-shell spheres and cylinders have been simulated and selectively produced. ...
[155] investigated the wrinkling and post-wrinkling morphology of a neo-Hookean core-shell sphere subjected to the shrinkage of the core through theoretical analysis and non-linear simulations. ...
Growth
Yes
[21]
Cantaloupe
Spheroidal shape Buckle
10 −3
Epidermis/flesh
Growth
Yes
[21]
analyzed and simulated Elastic tube
Plastic coating
CVD
Stretching
Releasing
500 µm
50 µm ...
doi:10.1007/s40820-020-00436-y
pmid:34138101
fatcat:4mgeemhmijechezi3pdhqubp44
Fast simulation of skeleton-driven deformable body characters
2011
ACM Transactions on Graphics
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We propose a fast physically-based simulation system for skeleton-driven deformable body characters. ...
Detailed discussions of our engineering decisions for speed and accuracy of the simulation system are presented in the article. ...
For example, Neo-Hookean material has behavior opposite to StVK material in large compression, becoming rapidly stiffened as it is compressed. ...
doi:10.1145/2019627.2019640
fatcat:3v6czjvm7bcy7gdkhf266h3eve
Experimental and numerical investigation of soft impact loading on aircraft materials
2018
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As a result, the relationship between true stress and strain is obtained and constitutive equations are established using the hyperelastic models, i.e. the Ogden, Mooney-Rivlin and Neo-Hookean. ...
A validated FE simulation is therefore presented, which can be used to simulate [...] ...
Equations 3-4, 3-5 and 3-6 correspond to the models that were considered, namely the Ogden, Mooney-Rivlin and Neo-Hookean models. ...
doi:10.25560/55868
fatcat:gfuf2yz5bvgqdlia3wl3jgnabm
NIMBLE: A Non-rigid Hand Model with Bones and Muscles
[article]
2022
arXiv
pre-print
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Other Versions
Non-rigid Elasticity Term 𝐸 𝑛𝑒 To capture non-rigid deformation of hands, we define 𝐸 𝑛𝑒 using the Neo-Hookean elastic function, which has been proven effective for muscle and flesh simulation in ...
We iterate the whole process of registration and parameter learning several times to get a stable result. ...
arXiv:2202.04533v4
fatcat:vcgvldis7jhjbmauxcygf3j64i
Finite Element Analysis and Optimization Design of Combined Vehicle Suspension Girder Lateral Stabilizer Bar Bushing
2016
Proceedings of the International Symposium on Mechanical Engineering and Material Science
unpublished
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At present, most of the use of constitutive equations is the Mooney-Rivlin model proposed by Rivlin in 1976 , and the Hookean -Neo model proposed by Pence et al [13] . ...
pole with rubber lining Suites lack of sustained tightening force, stable rod transverse jump move more likely, suspension control performance will be affected; (3) Flesh of the bottom of the product, ...
doi:10.2991/ismems-16.2016.42
fatcat:i3bnrtre65difda5jr26joaxfa
Poster Session
2007
Journal of Biomechanical Science and Engineering
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The cytoplasm, nucleus, and substrate were modeled as neo-Hookean material. ...
They quantified the elasticity of the cytoplasm and nucleus through compression testing, and carried out a finite element analysis using an axisymmetric model of neo-Hookean material (2) . ...
between New Carbon Fiber and Glass Fiber of
The Comparison of High School and College Elite Swimmers for Start Performance
A STUDY OF MATERIAL AND FRICTIONAL PROPERTIES OF THE HUMAN FINGERTIP TO SIMULATE ...
doi:10.1299/jbse.2.s89
fatcat:hr67ggaqdnbj5bqqd3o3y5xpmq
Elastomeric hoof boots
2003
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The loadcase options are shown in
Results of the Neo-Hookean analysis An initial analysis was carried out and results were collated. ...
The plausibility of a neo-Hookean model can initially be considered by comparing the value of twice the constant C 10 with the initial rigidity modulus G 0 . ...
doi:10.21427/d7ng7k
fatcat:rrkadayvvreihdptseegde54oi
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