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Asking for a paper

Hello all,

I am looking for the following paper: Nash, C. D. "Fatigue of self-healing structure-a generalized theory of fatigue failure." MECHANICAL ENGINEERING. Vol. 89. No. 2. 345 E 47TH ST, NEW YORK, NY 10017: ASME-AMER SOC MECHANICAL ENG, 1967.

Unfortunately, I couldn't find it anywhere. Even I ordered it through RACER but they sent the abstract to me. I would really appreciate it if someone can provide me with this paper.


D.Rittel's picture

A study of hypervelocity glancing collisions

Most of the research carried out on hypervelocity  collisions, of the kind encountered in space, assume that the projectile hits a stationary target. In reality, both the target and the projectile are moving at high velocity in a non-colinear fasion. We present here a study of this  phenomenon and its rfelationship  with oblique impact.  

Antonio Papangelo's picture

On the Degree of Irreversibility of Friction in Sheared Soft Adhesive Contacts

A number of authors have experimentally assessed the influence of friction on adhesive contacts, and generally the contact area has been found to decrease due to tangential shear stresses at the interface. The decrease is however generally much smaller than that predicted already by the Savkoor and Briggs 1977 classical theory using “brittle” fracture mechanics mixed mode model extending the JKR (Griffith like) solution to the contact problem.

Teng Li's picture

EML Webinar by Prof. Teng Li on July 29, 2020: Advanced Materials toward a Sustainable Future: Mechanics Design

EML Webinar on July 29, 2020 will be given by Professor Teng Li, the University of Maryland via Zoom meeting. Discussion leader: Professor Zheng Jia, Zhejiang University.

Antonio Papangelo's picture

Does the loading apparatus stiffness affect the equilibrium of soft adhesive contacts under shear?

The interaction between contact area and frictional forces in adhesive soft contacts is receiving much attention in the scientific community due to its implications in many areas of engineering such as surface haptics and bioin-spired adhesives. In this work, we consider a soft adhesive sphere that is pressed against a rigid substrate and is sheared by a tangential force where the loads are transferred to the sphere through a normal and a tangential spring, representing the loading apparatus stiffness.

mpeleehp's picture

Ventilated acoustic metamaterial window panels for simultaneous noise shielding and air circulation

The conflict between the acoustical performance and ventilation efficiency in conventional noise barriers limits their application potentials in several settings. To address this challenge, we design and experimentally demonstrate a ventilated tunable acoustic metamaterial for noise mitigation at targeted frequencies. Through the structure, a peak normal incidence sound absorption coefficient of more than 0.96 at 1000 Hz and the peak normal incidence sound transmission loss of 18 dB is achieved while maintaining the air circulation with a 45% open area of ventilation.

mokarram76's picture

3D printed Polyurethane : Viscoelastic experimental characterization and computational modelling

Digital Light Synthesis (DLS) technology creates ample opportunities for making 3D printed soft polymers for a wide range of grades and properties. In DLS, a 3D printer uses a continuous building technique in which the curing process is activated by an ultra-violet (UV) light. In this contribution, EUP40, a recently invented commercially available elastomeric polyurethane (EPU) printed by the DLS technology, is experimentally characterized.

Julian J. Rimoli's picture

MicroStructPy: Generation of statistically representative microstructures with direct grain geometry control

I would like to share an article that was recently published in CMAME.

It is about MicroStructPy, a very flexible microstructure generator able to represent various statistics for microstructures with multiple phases. It works in 2D and 3D and you can provide, for each phase, grain size distributions, volume fraction, elongation and orientation distribution for elongated grains, etc.

donghai's picture

A residual stiffness-based model for the fatigue damage of biological soft tissues

Biologically-derived and chemically-treated collagenous tissues such as glutaraldehyde-treated bovine pericardium (GLBP) are widely used in many medical applications. The long-term cyclic loading-induced tissue fatigue damage has been identified as one of the primary factors limiting the durability of such medical devices and an in-depth understanding of the fatigue behaviors of biological tissues is critical to increase device durability.

oliver oreilly's picture

Models for peristaltic locomotion in soft robots and worms

Dear Colleague,

I'm pleased to announce the latest paper from my research group (coauthored with Evan Hemingway (PhD 2020)): 

Continuous models for peristaltic locomotion with application to worms and soft robots

has just been published in Biomechanics and Modeling in Mechanobiology. Here's a simulation of the model:


Zheng Jia's picture

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)

Dr. Hanaor - Department of Ceramic Materials - TU Berlin's picture

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:

We have a number of seats available to anyone interested.  We just ask attendees to register at this page:

Bin Wang's picture

keep reading-2

Hydrogel ionotronics, Canhui Yang and Zhigang Suo, Nature Reviews Materials, 2018


Bin Wang's picture

keep reading-1

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.

Nuwan Dewapriya's picture

Molecular Dynamics Simulation of a Polymer-Metal Interface in LAMMPS

We are currently investigating the impact resistance of multilayers using molecular dynamics. This project showed us that modelling material interfaces could be challenging even for someone with a background in atomic simulations. Therefore, we thought of sharing some useful information and the LAMMPS input files to model the aluminum-polyurethane interface.

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?

Fan Xu's picture

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.

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:

We have a number of seats available to anyone interested.  We just ask attendees to register at this page:


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