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About Coupled Eulerian Analysis( pls help)

Hi!

Good Day.

Please note that I want to model a pipeline
which is on ground surface using CEL. I have applied the geostatic stess
only in step-01. But at the end of step-01, pipe is starting to move
upward. I do not apply any force on pipe but it seems to me that pipe
experienced some force which push it to move upward. Also, I do not
apply any gravity load for pipe.

Please advice.

Thanks in advance.

Sincerely-
sujan

graphene

dear all.

i am looking for some information about modeling graphene sheets.

please help me.

History output from the file created with CAE

Hello everybody,

I am looking for experts in ABAQUS CAE software. Its complex object-oriented structure make me confused. As it is known that history output requires  node sets, but this node sets are defined inside the instances. In order that the program understand which node sets is required one should mentioned then PART1-1.Instance. nodeset. But ABAQUS gives mistake. Experts,please explain me how it works.

 

Best regards

ABAgirl

Analysis of forces generated in Friction stir welding(FSW) process

Hey, this is Shashi kiran. I am pursuing post graduation(M.Tech) in NIT Trichy, India.

I have a problem in my project regarding FSW process. I have to analyse the process for forces generated by the rotating tool and verify whether the toggle clamps i used for the process is sufficient to hold the workpiece.

Can anyone help me out in this regard like how to analyse in ANSYS the forces generated, by specifying rotating and traversing speed of the tool?

What would you choose as the Top 5 Equations? Top 10?

Equations are of central importance in all of science and engineering, but especially so in mechanics.

Even leaving aside algebraic equations, handbooks on PDEs alone list hundreds of equations. However, a few of these do stand out, either because they encapsulate some fundamental aspect of physics/science/engg., or because they serve as simpler prototypes for more complex situtations, or simply because they are so complex as to be fascinating by themselves. There might be other considerations too... But the fact is, some equations really do stand out as compared to others.

Micromechanics

Hi all,

What is the prerequisite knowledge required for research in micromechanics, I did my masters in geotechnical engineering and thinking to continue Ph.D in micromechnics ( granular media).

As I am from geotechnical (Soil) Background, can anybody please inform me the prerequisite knowledge required like what course should I take, what software skills are needed to learn e.t.c.

Thank You in Advance 

Why i obtain only one point in output

Hello Everybody,

I have created the input file and want to see the table of output , i put the time step, but instead the program gives me only one line,

 

Concrete Damage Plasticity

Hi friends,

can you help me in modellingComposite Column using steel and Concrete.

I am using Concrete Damage Plasticity material model for concrete.

I collected parameters from literatures and i tried to implement it into abaqus.

But I am not able to solve this problem.

Abaqus ends the problem with error 

 

Thanks in advance

R.Velmurugan

 

 

 

 

ABAQUS CAE Tutorial on Cohesive elements

Dear ALl,

Who could recommend me tutorial for cohesive elements in CAE.

I have tried to find in Internet and didn't find it.

Best regards

ABAgirl

ABAQUS CAE can not find the time step

Dear All,

Because i am absolutely new in ABAQUS CAE, i have some problem.

I have created my first model with ABAQUS CAE and the problem which i force,- i don't see the option where i should put the time , So my simulations have only one point. Have anybody has the same problem.

You kind help will be highly appreciated.

 

ABAgirl

24th Nordic Seminar on Computational Mechanics

 

24th Nordic Seminar on Computational Mechanics 

November 3-4, 2011 - Helsinki - Finland

The seminar is intended for researchers developing computational methods and scientists and engineers focusing on challenging applications and covers all fields of computational mechanics. In particular, presentations by graduate students are welcome. 

 More information: http://nscm-24.aalto.fi/ 

Faustino Mujika's picture

Vector triple product

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KTP Associate. Cardiff University - Finite element Company LUSAS

Graduate/Postgraduate Engineer
Cardiff University - Cardiff University and LUSAS

£25-£30k plus benefits.  Fixed contract for 36 months with the potential for subsequent employment at the Company.
Are you a graduate or post graduate with an interest in Finite Element Analysis? 

Governing equation

 

Hi,

I want to do FE analysis of metal cutting. Is there any governing equation for this problem to solve with FEM.

Thanks and regards. 

 

How to read Abaqus .res file

Hi,

 

I do optimization combinign Matlab and Abaqus.I need to have high precision nodal displacement so I generated .fil and .res files.

It is difficult to extract the result I need from .fil file, because it is a complex file to read/rearrange . So I decided to use the .res file. This file is a binary format. I really appreciat your idea about how to read this file.

 

Thank you so much.

 

Maryam 

problem using crystal plasticity model in Abaqus via UMAT

I am trying to model polycrystal behaviour using Abaqus Umat via crytalplasticity . My Umat results for single crystal & about 5 grain, are reasonable, but when, I try to use more than 5 grain in each integration point  (polycrystal model) abaqus aborted with following message after about 15 increment:

Abaqus Error: The executable C:\SIMULIA\Abaqus\6.10-1\exec\standard.exe aborted with system error code 693...

 

I will be happy if someone guide me about this problem.

Help needed on VUINTER to define molecular interaction between two surfaces

Hi,

Does anyone have any idea on using VUINTER to define adhesive contact between a hard body and a soft body (the potential between the two surfaces is molecular like van der waals or lennard-jones potential).

Coupling FEM and Monte Carlo

I wnat simulat rollong process. Mteral deformation is simulated by FEM and i want simujlate microstructure evolution by KMC method. Do any one have experience in this field (coupling FEM and KMC) ?

Coupling FEM and Monte Carlo

I want simulat micro strucure evolution in metal fromind, e.g. rolling. To capture grain growth or refinement, i use MC method and rolling process simulate by FEM method (ABAQUS). Do any one have experience in this field?

An interesting arXiv paper: "Precession optomechanics"

Hi all,

Just thought that the following paper archived at the arXiv yesterday could be of general interest to any mechanician:

Xingyu Zhang, Matthew Tomes, Tal Carmon (2011) "Precession optomechanics," arXiv:1104.4839 [^]

The fig. 1 in it makes the matter conceptually so simple that the paper can be recommended to any mechanician for his general reading, and not only to a specialist in the field.


--Ajit

[E&OE]

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