A Constitutive Model for Binary-Solvent Gels
Jie Ma, Zheng Jia*, Shaoxing Qu, A constitutive model for binary-solvent gels, Journal of Applied Mechanics, 87(8), 081010 (2020)
research
Thermodynamics 2.0 Conference Presentation
Here is a Youtube video link to my recent lecture on the Unification of Newton's Laws and Thermodynamics' Laws at the Thermodynamics 2.0 Conference on June 22-24, 2020.
Electrical contact resistance and its dependence on applied pressure
The relationships between surface roughness, contact pressure and contact resistance are studied in this work published three years ago.
It is imporant to distinguish between the different conduction mechanisms acting at contacts at different scales, in order to better understand how surface structure and surface chemistry can alter the behaviour of electrical contacts
USACM Virtual Seminar by Manuel Rausch, the University of Texas
The USACM is happy to announce a virtual seminar this week on Thursday, July 9th at 3pm Eastern. The title of the seminar is "Image- and Experiment-based Modeling of the Forgotten Right Side: Right Ventricle, Tricuspid Valve, and Venous Blood Clot". An abstract of the talk is available here:
https://unsacm.memberclicks.net/assets/docs/Rausch_2020.07.09_2pm.pdf
We have a number of seats available to anyone interested. We just ask attendees to register at this page:
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Design of robust superhydraphobic surfaces, Dehui Wang, Zuankai Wang, Robin H.A. Ras, Xu Deng, et al., Nature, 2020
Superhydrophobic surfaces have promising applications in various medical and engineering applications; however, these surfaces, either via physical and/or chemical methods, suffer from one major flaw- extremely vulnerable to mechanical damage, so lose superhydrophobicity easily in practice.
How to include temperature effects on the shear rates in Dr. Huang's crystal plasticity code
I am using Dr. Huang's crystal plasticity code for an adiabatic process where temperature increase due to deformation need to be calculated. Dr. Huang's CP UMAT code does not consider the temperature effect of shear rate or hardening. Is there a way to include temperature effects in the current UMAT code?
http://www.columbia.edu/~jk2079/Kysar_Research_Laboratory/Single_Crysta…
Thermal wrinkling of liquid crystal polymer shell/core spheres
Smart soft materials that can flexibly respond to external multi-physics stimuli, have shown intriguing applications in shape-morphing and morphology control. Here, we present tunable wrinkling patterns in core-shell spheres under thermal load via controlling the orientation of director in nematic liquid crystal polymer (LCP). To analyze nonlinear instability and morphological evolution of LCP shell/core spheres, we develop a shallow core-shell model that accounts for director-induced anisotropic spontaneous strains.
3D Printed Silicone Polymer : Thermo-viscoelastic experimental characterization and computational modelling
A comprehensive thermo-mechanical experimental study and subsequent constitutive modelling will facilitate in designing and simulating more complex cellular metamaterials using 3D printed silicones
USACM Virtual Seminar by Pania Newell, University of Utah
The USACM is happy to announce a virtual seminar this week on Wednesday, July 1st at 3pm Eastern. The title of the seminar is "Examining Fracture Behavior in Heterogeneous Poro-Elastic Media from Nano to Macro-Scale". An abstract of the talk is available here:
https://unsacm.memberclicks.net/assets/docs/Newell_2020.07.01_2pm.pdf
We have a number of seats available to anyone interested. We just ask attendees to register at this page: