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How to deal with noisy data in a mesh free Galerkin method

Submitted by Micah Paul on
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Computational Mechanics Forum
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fluid mechanics
computational mechanics
meshfree
gradient
meshfree method
fluids
particles tracking
Noise
Element-free Galerkin method
PTV
natural neighbor
I'm currently working with a particle tracking velocimetry method, specifically trying to extract shear and vorticity data from the non-gridded velocity results. Of several methods used, the most efficient and accurate was based on a non-Sibsonian element free method. Unlike a more typical Galerkin problem which finds displacements by solving a PDE, this method uses the displacements of natural neighbors to find local flow gradients. 

Vibration and instability of a viscous-fluid-conveying single-walled carbon nanotube embedded in a visco-elastic medium

Submitted by Payam Soltani on
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By: Payam Soltani, M. M. Taherian, A. Farshidianfar

http://iopscience.iop.org/0022-3727/43/42/425401 

 In this study, for the first time, the transverse vibrational model of a viscous-fluid-conveying

single-walled carbon nanotube (SWCNT) embedded in biological soft tissue is developed.

Nonlocal Euler–Bernoulli beam theory has been used to investigate fluid-induced vibration of

Studying the Tensile Behaviour of GLARE Laminates: A Finite Element Modelling Approach

Submitted by Payam Soltani on
research
ansys
GLARE
Fibre Metal Laminates
Finite element modelling .Tensile behaviour

By: Payam Soltani, M. Keikhosravy & R. H. Oskouei & C. Soutis 

 http://www.springerlink.com/content/h831735260162p66/

Abstract:

Numerical simulations based on finite element modelling are increasingly being

developed to accurately evaluate the tensile properties of GLARE (GLAss fibre REinforced

aluminium laminates). In this study, nonlinear tensile behaviour of GLARE Fibre Metal

Pls help regarding CoordMp

Submitted by sujan on
research

Dear all,



Pls be informed that I am using abaqus explicit to model my
pipeline that

embedded in soil. In standard, Coord 1 means x co-ordinate,
coord 2 means Y

co-ordinnate and coord 3 means Z -co-ordinate. But I can not
undestand the

meaning of CoordMP(nblock,j) in explicit. I want vertical
co-ordinates of some

elements of my model but if I put CoordMP(k,2) it shows
always a constant value

for all elements which make no sense.



Can you

How to Assign Initial Solution-dependent State Variable to VUMAT

Submitted by gnoij on
research
VUMAT
Initial Value
State Variable

Hi everyone,

      I just constructed a VUMAT which including 3 state dependent variables ( nstatev =3 ), let say these three state dependent variables each have a initial value of 10, 20 and 30, may I know how to assign these initial values into the simulation or VUMAT?

      So far I follow the manual to assign the initial value via input file with material properties command as below (the line started with "*Initial Conditions" is line 361):

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