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Farjoo

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Extended finite element analysis tutorial in ABAQUS

Hei,

 I am a new learner of XFEM. I want to start some exmaples in ABAQUS. The tutorial in ABAQUS is rather crude. If any body has experience, May I have small notes on how to solve problems with XFEM in ABAQUS?

Thank you for your help.

 Venkat

 

 

PhD thesis Evaluation

Sir,

one of my students is working on PhD topic " Study of cold hole expansion and evaluation of fatigue properties on critical aerospace components". His work has to be reviewed by professor of non indian origin in foreign universities. I request you to kindly help this student. If you are interested, let me know, so that I will ask my university to contact you in this regard.

Thanks

Kirthan.L.J

rbatra's picture

Breakdown of structural models for zigzag single wall carbon nanotubes

The following article shows that the linear elasticity theory does
not predict well inextensional modes of vibration of a single-wall
zig-zag tube.

 Gupta, S.S., Bosco, F.  and 
Batra, R. C. (2009) Breakdown of structural models for vibrations of
single-wall zigzag carbon nanotubes, J.
Applied Physics,
106,
063527
.

 

Brittle Failure damaging material model in Abaqus

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Hello everybody i m working on a project Fem erosion analysis of brittle ceramic material using Abaqus/Explicit . I know for brittle material especially Jhonson Holmquist model is best suited , but unfortunately its not available in abaqus . So finally i decided to go  with brittle cracking criteria . Can Anybody helpme to use this criteria of brittle cracking

I need parameter of this criteria like

1 .Brittle Cracking >> Type GFI>>1 . Failure Stress 2. Mode I fracture energy

Finite elements based on shell theories

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Hello,

 

Recently I faced two questions in course that I am attending:

 

1) Outline the salient features of different higher order shell theories.

 

2)Explain why some shell theories are not suitable as the basis of element formulation.

 

3) Discuss any limitations of elements being used in relation to their underlying formulation ( e.g use of shallow shell theory or cylindrical shell theory).

 

Jayadeep U. B.'s picture

"Classics" in iMechanica

Dear all,

While reading some "old" discussions in iMechanica, I have come across
a blog by Zhigang to have a collection of "classics" in iMechanica. 
Immediately, I searched for such a section, but couldn't locate it.  Is
it ever made?  If not, why not start it now?  I am sure there will be
many juniors like me, who are eager to read those classics.

composite modelling in abaqus

I have to analyse the jute epoxy composite laminate in abaqus 6.9. to determine interlaminar toughness of the frp plate. i am not able to model the composite lay up with the correct orientation of the fibre. so any body have the step by step procedure for modelling the composite lay up in abaqus please give it to me.

asit_rathod1's picture

Finding Books

Hi all

I want to Find Books For Non Linear Stress- Strain Curve,which Gives more Idea About the Plastic Region,and terms of Tangent modules(E_t) nad secant modules(E_s)...plz do needful and Reply...

Yours faithfully

Asit

 

Understanding continuity

Worth reading

 http://www.dpmms.cam.ac.uk/~wtg10/continuity.html

in case you need to explain the epsilon-delta  definition of continuity to an engineering student.

-- Biswajit 

kisku's picture

abaqus

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dear all,

i wanted some codes used in ABAQUS to solve the dynamic problems:

1.Blunt and Hemispherical projectiles hitting the plates.

2.When the plate is perforated by the high velocity projectiles.

hope someone will help me.

regards,

-Sanjay

kisku's picture

abaqus

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dear all,

i wanted some help regarding the dynamic modelling of IMPACT on plates by BLUNT and HEMISPHERICAL nosed prjectiles with procedures and simulations using ABAQUS.

thanking you all.

-sanjay

kisku's picture

ABAQUS

hello everybody,

i'm very much new new to ABAQUS 6.7-4, which i'm using it in my project work.

i just wanted some help regarding the procedures or any kind of tutorial that will help me learnig the software.

thank you.

Three problems about of the shock waves

 

                                  Three problems about of the shock waves

                                      for the curious students

                                           (hydrodynamics)

 

                                          The third problem

                           !--break--

The fundamental conclusions for shock waves lead from the second principle of thermodynamics. In the yours text-books such condlusions are made on the base of Zemplen theorem:

 

graduation project request


My name is Anis Turki, I am an engineering student at the Tunisia Polytechnic School.

Tunisia Polytechnic School (TPS) is the first high school of engineers in Tunisia. It provides a  multidisciplinary training for its students. Its main purpose is to enable them to assume both technical and administrative responsibilities.

Solution of Mechanics of Composite Materials

Is there anyone willing to give me the students solution manual for MECHANICS OF COMPOSITE MATERIALS by AUTAR KAW (2nd Ed)

 It's urgent. I have exam coming up. Please help.

Translate a paper(in Japanese Language)into English

Hi,

I want to translate a paper''On an applicability of discontinuous model to crack problems'' published in JSME( japanese language)  into English.But the Pdf file is password protected so i don't know how can i do this?

I hope someone will help me. 

Thanks 

Kuldeep 

Jian SHI's picture

an epitaxial question

Hi, everybody, i had one problem. see the attached image.

Does anyone know how to get the strain function or strain energy of the perfect epitaxial film? Or could you recommend some textbooks or references about this topic?

Thank you

Deformation Shape doesnt show up

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Hi everyone,

well, im glad i found this forum dedicated to abaqus users. i'm just a
rookie, got in touch with abaqus in less than a month for my thesis.
hope you can help in my first big struggle.

im modeling a nut and a bolt thread in 2d, they should move towards
eachother and upon contact they should crash past eachother. i went
through all the modules quite ok. i run the job, it is successful. in
the visualization window, when i try to see the deformation of the
threads the following message is displayed:

Deformation Shape doesnt show up

Hi everyone,

well, im glad i found this forum dedicated to abaqus users. i'm just a rookie, got in touch with abaqus in less than a month for my thesis. hope you can help in my first big struggle.

im modeling a nut and a bolt thread in 2d, they should move towards eachother and upon contact they should crash past eachother. i went through all the modules quite ok. i run the job, it is successful. in the visualization window, when i try to see the deformation of the threads the following message is displayed:

Deformation Shape doesnt show up

Hi everyone,

well, im glad i found this forum dedicated to
abaqus users. i'm just a rookie, got in touch with abaqus in less than
a month for my thesis. hope you can help in my first big struggle.

im
modeling a nut and a bolt thread in 2d, they should move towards
eachother and upon contact they should crash past eachother. i went
through all the modules quite ok. i run the job, it is successful. in
the visualization window, when i try to see the deformation of the
threads the following message is displayed:

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arefin's picture

Forced displacement in ABAQUS

Hello,

I am doing numerical simulation using ABAQUS 6.7. I faced some problem to apply load that will be used as the forced displacement in one face of our model.I used user subroutine for appling load.But, i don't know how to apply forced displacement means the command of forced displacement.

Could you please help me regarding this problem.

Regards,

Arefin

help

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I didn't know enter the force per unite deth to correspend with the load that i need

thank you

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