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What are the boundary conditions of an elastic rod at a clamp moving on a perfectly smooth and rigid circular profile?

Submitted by Davide Bigoni on

What are the boundary conditions of an elastic rod at a clamp moving on a perfectly smooth and rigid circular profile?

The tangential shear at the clamp turns out to not be null!

See http://www.ing.unitn.it/~bigoni/multiple_bifurcations.html

 

Finding element number corresponding to Fastener in a set in Abaqus

Submitted by pradeeprk on

Hi,
I have a model in which I used fasteners to find bolt forces. I created fastener sets and requested output by changing Domain to "Fastener" and selecting the set that contains Fasteners.
The problem now is, I'm not sure which force corresponds to particular bolt.


Options>Common>show Labels for elements only shows element numbers of remaining model but not Fasteners.

RSS- -Cost-Efficient Open Source Desktop Size Radial Stretching System With Force Sensor

Submitted by Stefan E. Scha… on

The rapid and efficient development of soft active materials requires readily available, compact testing equipment. We propose a desktop-sized, cost-efficient, and open source radial stretching system as an alternative to commercially available biaxial and uniaxial stretching devices. It allows for doubling the diameter of an elastomer membrane while measuring the applied force. Our development enables significant cost reduction (<300 €) and increase the availability of equibiaxial deformation measurements for scientific material analysis.

A modified two-mode phase-field crystal model applied to face-centered cubic and body-centered cubic orderings

Submitted by mohsenzaeem on

In this work, we present a modified two-mode phase-field crystal (PFC) model for nano-structural evolution of materials. The model is used to study both the face-centered cubic (FCC) and body-centered cubic (BCC) orderings, as well as the solid–liquid coexisting phenomenon. This two-mode PFC model incorporates three parameters in its formulation and damps out the dynamics of the system, except near the first two critical wavelengths.