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Arc-length solver

jenda_z's picture

CTU Global Postdoc Fellowship in quasicontinuum modeling of lattice structures and metamaterials

Thu, 2021-07-29 07:55 - jenda_z
job
Quasi-continuum methods
Arc-length solver
mechanical metamaterials

Together with Ondřej Rokoš and Milan Jirásek, we are searching for a postdoctoral researcher to work with us on leveraging quasi-continuum methods towards robust simulations of initiation and propagation of instabilities in architectured materials and flexible mechanical metamaterials. Eligible candidates must hold a Ph.D. degree awarded in 2015 or later.

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Solver settings in Abaqus/S for delamination analysis with cohesive elements

Thu, 2011-10-06 08:50 - BrianBak
Forums: 
Computational Mechanics Forum
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delamination
Abaqus/Standard
Cohesive elements
RIKS solver
Newton solver
Arc-length solver
solver settings

Hi 
 
I have different 3D models of laminates where I analyse the delamination propagation using zero thickness cohesive elements in Abaqus/Standard. My experience with the RIKS solver and Newton solvers are that they are extremely sensitive to even small changes in the step size settings as well as other solver settings. 

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