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Common Misconceptions on Rules of Mixtures

Submitted by Wenbin Yu on Thu, 03/28/2024 - 18:56

Please pardon me if I am preaching to the choir here. Rules of mixtures (ROM) are very simple mechanics models. Everybody on this site has a very good understanding of it. However, confusion and mistakes on ROM constantly appear in textbooks, journal articles, online learning materials, etc. See attached two wiki articles. The major confusing point is that vf*Ef+vm*Em is derived from the isostrain assumption and the upper bound. Both statements are incorrect. There might be two main reasons contributed to this mistake/confusion.

Submit Abstract to the SES 2024 Symposium: 7.4. Controlling Mechanical Waves with Metamaterials

Submitted by Ramathasan The… on Tue, 03/26/2024 - 01:39

conference

Dear Colleagues,

SES 2024 Call for abstract: MS 5.6 Intelligent Structures for Robotics

Submitted by Mingchao Liu on Mon, 03/25/2024 - 22:08

conference

Dear Colleagues,

We would like to invite you to submit abstracts and attend the mini-symposium 5.6 Intelligent Structures for Robotics in the 2024 SES Annual Techinical Meeting, August 20-23, 2024, Hangzhou, China.

Abstract can be submitted via this link and is due April 10, 2024.

5.6 Intelligent Structures for Robotics

SES 2024 Call for Abstract Submission: Advances in Multiscale Modeling and Nanomechanics (Monday, April 1, 2024)

Submitted by Fatemeh Ahmadpoor on Fri, 03/22/2024 - 18:05

Society of Engineering Science

Dear colleagues,

University of New South Wales, PhD in Mechanical/Civil Engineering

Submitted by Liya Zhao on Wed, 03/20/2024 - 13:46

job

Dr Liya Zhao from the School of Mechanical and Manufacturing Engineering at the University of New South Wales (UNSW Sydney, global ranking QS = 45th, US News = 41th), is seeking PhD students to work on projects related to the following topics. Full scholarship will be provided (Tuition waiver + stipend).

• Nonlinear dynamics
• Vibration energy harvesting (harnessing renewable energy from base vibration or wind-induced vibration, ocean wave, etc.; developing efficiency enhancement innovations)

University of New South Wales, PhD in Mechanical/Civil Engineering

Submitted by Liya Zhao on Wed, 03/20/2024 - 13:46

job

A question: The entropy of the universe taken as a whole, modelled as a molecular dynamics system

Submitted by Ajit R. Jadhav on Wed, 03/20/2024 - 10:20

mechanical engineering

Suppose that we model the entire universe (i.e. the entirety of the known physical universe) as a huge isolated system, using molecular dynamics (MD for short).

The question is: How would you show that the entropy of such a system does in fact always increase? that it neither decreases nor stays the same?

Thankless Satya NaDella, Hyderabad, India and others

Submitted by Ajit R. Jadhav on Tue, 03/19/2024 - 20:05

SES 2024 Call for abstract: Structural signature of elasticity, plasticity, and fracture in disordered materials

Submitted by hxiao on Tue, 03/19/2024 - 18:34

conference

Dear Colleagues,

The Annual Technical Meeting of the Society of Engineering Science will be held in Hangzhou, China, August 20-23. We would like to invite you to submit an abstract to our session (9.6) themed "Structural signature of elasticity, plasticity, and fracture in disordered materials", see detailed description below. The abstract can be submitted following this link and is due April 1st. Please feel free to reach out to us if you have any questions.

Description:

ICCM 2024 Call for abstracts: MS-036 Mechanics of soft materials

Submitted by Jingjie Yeo on Tue, 03/19/2024 - 13:59

The 15th International Conference of Computational Methods (ICCM2024) this year will be held ONLINE! We are welcoming your submissions to MS-036 Mechanics of soft materials. Deadline for submissions is 30th March. Details available HERE!

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