industry

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Dear Sir/Madam,

Interlaminar stresses in Composites

I have modelled Plain Stress problem in hypermesh(Input deck is created in Hypermesh to solve in Abaqus).Layup sequence is [0/90/90/0], am getting the Stresses( σ11, σ22, σ12) in top and bottom layers only, but unable to get the stresses at each Interface, If any one knows how to write the code, please reply back.

My doubt is in transient dynamic analysis.

take a simple model of 40*2*1 m dimensions.Applying brick45 material. with e=2.069e11N/m2

poissons ratio= .3

density= 7830kg/m3

first performing modal analysis with just arresting displacements in 1 side in subspace method and getting 10 sets of frequencies..

then performing transient dynamic analysis in mode superposition method with dynamic loads.and solve it

Moceon; world leading experts in high quality all hexahedral meshing, today announces the launch of their website www.moceon.com

Based on the Spatial Twist Continuum, which was discovered by the founder in 1992, a new method has been developed into a commercial level software package that is being rolled out first as a premium high quality hex meshing service.

Respected imehanicians!
                      I am a tackling an important problem about the behavior of concrete tied arch. Each concrete arch rests on two steel I-beams. The steel I-beams are supported at their ends. They are connected at various locations along their length by tie rods. A picture is worth 1000 words  basic figure.pdf.

I want to simulate mold filling of a bar mold with a semisolid alloy by means of FLOW3D cfd package. but there are some problem. for example when I input a file I encounter an error like "level   1 error in subroutine rdstl: level   1 error in subroutine rdstl"in preprocessor. what can I do? does my .stl file have any faults?

other problem with another project is that when i want to solve the problem I encounter an error like "convective flux exceeded stability limit".repeatedly. is my meshing insufficient? how can I solve that too?

NASA Engineers Work on Alternative Moon Rocket

By Jay Reeves
Associated Press Writer
posted: 14 July 2008
05:23 pm ET

Our Agency, Reliability Analysis Associates, Inc., is seeking candidates for the "Manager, Methods and New Product Support" position described below.   Note that the position requires significant work experience in industry.  Salary range: $90K - $130K per year.

Reliability
Analysis Associates, Inc.

1440 North Lake Shore Drive, #30F,
Chicago, IL 60610

Laguna Beach, CA June 23, 2008 -- Kebaili Corporation a leading California based high-tech company in MEMS and nanotechnology, announced today the release of the KMHP-100 Series, the industry’s first commercially available off-the-shelf MEMS microhotplates for researchers and scientists in innovative chemical sensor research and development applications.