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initial void ratio for soil

Submitted by sasekaran on

My research is “Permeability
impact on unsaturated soil slopes due to rainfall” Using ABAQUS.

I'm struggling with PERMEABILITY OPTION, when run the programme the error message shows-

Permeability is specified on 5044 elements but the initial void ratio is not defined. Use *initial conditions to the value. The elements are identified in element set ErrElemPermNoInitVoidRatio.

there are no options in CAE, i tried to input the detais into input file, bt i dont know the correct location for this input parameters.

Material Parameter Calibration for Johnson Cook

Submitted by priyadd84 on
research
ABAQUS
FEM
Materrial model

Hi all ... Is there a way to find/calibrate material parameters for johnson and cook material model using experimental data in Abaqus? .. As far as i know abaqus has something called as data editor with which Hyperelastic materials models can be calibrated with experimental results. If not is there any other way arround to do calibration of material parameter with abaqus.

Geometric nonlinearity

Submitted by sagar_009 on
research
Geometric nonlinearity

hi all,

How to decide the geometric nonlinearity?.

i.e If i consider a sturcutre for example-fishing rod or wind turbine blade, how to decide that the structure is geometrically nonlinear.

Does it requires lots of calculations or by experimentation... For example by just observing the structure, is it possible to decide?

What are the reasons to consider the geometric nonliearities.

Regards

sagar

Multiphysics Capabilities of ADINA

Submitted by ADINA Support on
research
piezoelectric
porous media
Fluid Structure Interaction
thermo-mechanical coupling
Joule heating

ADINA offers a comprehensive array of multiphysics capabilities tightly integrated in one program:

* Fluid-structure interaction (FSI)

* Thermo-mechanical coupling (TMC)

* Structural-pore pressure coupling (porous media)

* Thermal-fluid-structural coupling

* Electric field-structural coupling (piezoelectric)

* Thermal-electrical coupling (Joule heating)

* Acoustic fluid-structural coupling

* Fluid flow-mass transfer coupling

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