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strain evaluation in relaxed nanowires

Submitted by Yongfeng Zhang on

Due to the existence of surface stress, the interior of a free standing nanowire is in non-zero stress state especially near free surface (see attached). This stress state corresponds to strain field in nanowires. A reference configuration would then be necessary to define the strain. Any good suggestions on the selection of the reference configuration?

Thermal Stress Analysis

Submitted by Gopi Lingam on
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Hi Everyone,

 I am new to Abaqus. I am working on a research topic where in I need to study the transient thermal stresses, strains arised due to heating a body by thermal radiation.  From the user's manual I understood that I need to use "Sequentially coupled thermal-stress analysis" for my model.

Water fow simulation and sedimentation effects in a DAM

Submitted by mechovator on
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Hello dear friends.

I am assigned with a problem to simulate fluid flow through a DAM (a reservoir) of water. If any of the viewer of this topic has worked or started working in such a problem or any open channel flow kindly email me at

mechovator [at] yahoo.com

I am currently working in CFX.

Sharing increases one's knowledge.

With best regards

Mechovator