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ABAQUS question on multi-core processor.

Submitted by Yongchang Lee on

Hi, all imechanicans,

I use ABAQUS 6.8-1 on REDHAT 64-bit which is recent version. My server has two quad-core processors. Even though I select 8 cpus to run the model I made, only two or three cpus are work, not 8 cpus. Why does it happen? Does anybody know about this?

My model is 2-D and has 1000 eight-node elements.

Thank you

Modelling of load test on board pile by Abaqus

Submitted by ziyad on

Hi all,

has someone experience with modelling soils in Abaqus? I am trying to model load test on board pile, some errors apear, like so many attempts made for this increment...too large fixed time, etc. I am pleased to share .inp file of analysis.

Ziyad

problem in running

Submitted by manashch on

I have seen the verification manual (4.1.17)...I have find out the .inp
files & .f files ..... Now in 'create job ' portion (in abaqus) I
have put the 'uhypercp2s.inp' as the source file & 'uhypercp2s.f'
as the subroutine file & then I submit the job..... In the job
manager 's status portion it is showing that the job is submitted
.........But it does not run.or do anything ........ It keeps on
showing that the program is submitted...... & that's all

in a syringe more force required for pulling back than pushing it

Submitted by rajesh science on

hi people,

recently in our lab, i tried to pull a viscous damper of a motorbike it was difficult to pull but was easy to push.

it seemed to be similar to that of a syringe

is there any fundamental law behind that..

where does the resistance come when it is pulled

rajesh

Workshop on Probing the Limits of Strength, August 10-12, 2009 at LBL, Berkeley, CA

Submitted by aminor on

Dear Colleague:

 

You are cordially invited to attend a special Workshop on Probing the Limits of Strength, which will be held at Lawrence Berkeley National Laboratory on August 10-12, 2009. This workshop aims to bring together researchers with an interest in experimental and theoretical studies of the fundamental limits of strength in materials. The workshop will include a strong lineup of national and international speakers on advanced mechanical testing techniques and computational materials science of materials deformation at the elastic limit.

International Journal of Applied Mechanics (IJAM) Vol.1 No.3

Submitted by zishun liu on

International Journal of Applied Mechanics (IJAM) Vol.1 No.3:

The papers are online available

1. “Foreword: Theoretical and Computational Nanomechanics”, Pradeep Sharma (University of Houston), Rui Huang (University of Texas, Austin, USA).

2. “A Multi-scale Non-equilibrium Molecular Dynamics Algorithm and its Applications”, Ni Sheng (Macau University of Science and Technology, China); Shaofan Li (University of California, Berkeley, USA).

International Journal of Applied Mechanics (IJAM) Vol.1 No.1

Submitted by zishun liu on

International Journal of Applied Mechanics (IJAM) Vol.1 No.1:

1. “Crack-like diffusion wedges and compressive stress evolution during thin film growth with inhomogeneous grain boundary diffusivity”, Tanmay K. Bhandakkar,

Eric Chason and Huajian Gao (Brown University). 1-20.

2. “Strained Ferroelectric Thin Films”, Tong-Yi Zhang (Hong Kong University of Science and Technology). 21-40.