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Modified multiplicative decomposition model for growth: Beyond the initial stress-free state

Submitted by chaofenglu on

The multiplicative decomposition model is widely employed for predicting residual stresses and morphologies of biological tissues due to growth. However, it relies on the assumption that the tissue is initially in a stress-free state, which conflicts with the observations that any growth state of a biological tissue is under a significant level of residual stresses that helps to maintain its ideal mechanical conditions.

How to combine VUMAT an VUEOS in Abaqus

Submitted by rctron on

Hi,

I have written a VUMAT for Johnson Cook Model. I would like to use subroutine VUEOS to define linear Mie-Gruneisen equation of state. The USUP type VUEOS subroutine can be found at Abaqus Documentation.

However, I am not able to figure out how to combine the two subroutines. What needs to be called from VUEOS into VUMAT?

 

 

Programme announced for 8th International Conference on Engineering Failure Analysis (ICEFA2018)

Submitted by MMcA2 on

<p>The 8th International Conference on Engineering Failure Analysis will be held 8-11 July 2018, Budapest, Hungary. We are pleased to announce the oral programme is available to view and download at https://www.elsevier.com/icefa-conference - the ICEFA2018 conference will bring together world-class researchers, users and specialists involved in all aspects of failure analysis and prevention from the fields of mechanical, manufacturing, aeronautical, civil, chemical, corrosion and design engineering.

3 Postdoc Positions in (1) Computational Fracture and Damage Mechanics, (2) Experimental Mechanics of Composites and (3) Functional Nanocomposites and Wearable Electronics

Submitted by dithoap on

3 Postdoc Positions at COHMAS LAB: (1) Computational Fracture and Damage Mechanics, (2) Experimental Mechanics of Composites and (3) Functional Nanocomposites and Wearable Electronics

 

Benefits:

*Competitive Salary (Tax-free)

*Free Housing

*Free school educations for kids

*International living environments

*Relocation and repatriation tickets

*Free Health Insurance

*Access to high-end research facilites

 

For  more details on the postdoc positions, please see the attached pdf.

Postdoctoral Position Available at Khalifa University-Composite Manufacturing and Viscoelastic Modeling

Submitted by kamrankhan026 on

A Postdoctoral Research Fellow position is available immediately in the aerospace department at the Khalifa University of Science and Technology in Abu Dhabi in United Arab Emirates. The research project focuses on Composite materials and manufacturing, Autoclave/out of autoclave techniques, LCM, constitutive and multi-scale computational modeling of the viscoelastic and other inelastic behavior of composites.

Two PhD positions are available immediately in Computational Materials and Mechanics Laboratory at the Colorado School of Mines

Submitted by mohsenzaeem on

Two PhD positions are available immediately in the Computational Materials and Mechanics Laboratory at the Colorado School of Mines.

Candidates should have a master's degree in mechanical engineering, materials science and engineering, solid-state physics, or applied mathematics. A background in phase field modeling, molecular dynamics, and/or density functional theory calculations is desired.