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News feeds from the IMechE

Submitted by Martin Pratt on

I run part of the website here at the IMechE in the UK. Since we have many international visitors to our technical events I thought I'd point out that we've finally brought out a whole raft of RSS goodness with the launch of a range of industry specific feeds from our calender of events. We intend to launch more feeds for other content areas soon.

Relationship between Hardness and Elastic modulus?

Submitted by Anonymous (not verified) on

What is the relationship between hardness and elastic modulus? The higher hardness, the higher elastic modulus?  My understanding is that hardness is a local mechanical property, and 
elastic modulus is an averaged global mechanical property.  Am I right about this? 

Question about Pipe Model in Abaqus

Submitted by L2020 on

Hi

I am a beginner in working with Abaqus(v 6.3),I want to model a simple piping system,I use pipe and elbow elements,in section assignment, I select a beam section for the part .But When I run the job,an error occurs due to element properties in section assignment,when I use beam element instead of pipe there is not such an error in job-run.
but I want to use pipe and elbow elements...what can I do to solve this problem?

any help is appreciated

angle-ply laminated plate model

Submitted by kmza on

I am trying to built a model for a laminated angle-plied plate, which has different fibres orientation in each plate. But I have a problem in materilas property as the Abaqus told me after analysis andmake error. The error is that the properties of the model in not assigned well. I have assign them as shell composite and make the local co-ordinate orientation.

I have tried to use homogeneous material and enter the Engineering contants in all directions and by just changing the local axis orintation, it works. But I don't know if this is right or not.

Need advice plz