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Simulation of fracture toughness test

Submitted by sufian163 on
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ABAQUS
simulation
fracture toughness test

Hi, I am new to ABAQUS. I want to simulate the fracture toughness test to predict the behaviour of materials(brittle/ductile). Please help me how can I proceed?

If possible give me some guidelines and if you have any documents regarding this topic kindly send it to: sufian.ulsan [at] gmail.com

Thanks in advance for your valuable suggession.

Living cells behave as fluid-filled sponges

Submitted by emadmoeen on
research
AFM
poroelasticity
cell mechanics
rheology
Animal cells behave like fluid-filled sponges in response to being mechanically deformed according to new research published in Nature Materials.

Scientists from the London Centre for Nanotechnology at UCL have shown that animal cells behave according to the theory of ‘poroelasticity’ when mechanically stimulated in a way similar to that experienced in organs within the body. The results indicate that the rate of cell deformation in response to mechanical stress is limited by how quickly water can redistribute within the cell interior.

Bioinspired Surfaces with Dynamic Topography for Active Control of Biofouling

Submitted by Qiming Wang on
research
SAMs Lab research
Electro-cratering instability
biofilm
dynamic elastomers
pneumatic simulation
adhesion strength

Phanindhar Shivapooja†, Qiming Wang†, Beatriz Orihuela, Daniel Rittschof, and Gabriel P. López, Xuanhe Zhao

† Equal contribution

gabriel.lopez [at] duke.edu

Maximum Time Step Problems in ABAQUS

Submitted by jodavies03 on
research
ABAQUS
time step

Hi,

 I hape a relatively simple question. I am trying to set a maxmimum time step for a job by the lines:

*Static, allsdtol=0, continue=NO

0.05, 1., 1e-25, 0.05

 

so I believe the maximum time step should be 0.05 giving me a minimum of 20 increments in the step in total. However the STA file below shows that the job starts at 0.05 and the appears to ignore the maximum time step command. Can anyone tell me why this occurs?

Johanson Cook parameters

Submitted by monzer on
research

Hi, Every one i am student doing my masters and i have got the
experimental result from tensile test for different temperature stress vs strain and orthogonal cut .
but i am going to apply the Johnson cook material model. please can any
one give me how to find A,B,C,N and M please i have read it found from
the experimental data i have got but i didn't know how to find please

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