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World’s First Spherical Artificial Eye Has 3D Retina

Hello iMechanica! My name is Ryan and I am the Founder of Mechanical Engineering HQ. I am writing here today to share an interesting development in prosthesis. Scientists have claimed that they have developed a new artificial eye that has more advanced capabilities than human eyes. Read on to see if they have achieved this feat!

marco.paggi's picture

Joint Technology Transfer initiatives of 4 Schools for Advanced Studies in Italy

Technology Transfer from research to companies and institutions is one of the missions of the Universities in Italy and also of the Italian system for higher education.

In this framework, 4 over 6 Schools for Advanced Studies, IMT School for Advanced Studies Lucca, Scuola Superiore Sant'Anna in Pisa, Scuola Normale Superiore and Istituto Universitario di Studi Superiori Pavia share a common office for technology transfer initiatives, JoTTO, see www.jointto.it

 

Mechanical Testing of Vascular Stents

With heart disease being the leading cause of death among adults in the United States, vascular stents are a critical medical device in ensuring patients live longer and healthier lives. There are a variety of stents that range in both size and strength for various applications. Mechanical testing of vascular stent involves testing the vascular stent specimens in various modes of failure including bending, torsion, tensile, crushing, abrasion, and fatigue. This blog post covers certain test types and the recommended equipment to test vascular stents.

Sheet Metal Tension Testing

Sheet metal forming operations consist of simple bending, to stretching to deep drawing of complex parts. The mechanical properties of the sheet material greatly influence its formability, which is a measure of the amount of deformation the material can withstand prior to fracture. This blog post covers important definitions determining sheet metal characteristics, the test methods, and the equipment used to quantify them.

marco.paggi's picture

Virtual testing and digital twin models for Industry4.0 - PhD positions and industrial cooperations

Virtual testing is an established methodology in computational mechanics to accelerate the design of new materials and components. Nonetheless, there is plenty of room to transfer such methods in R&D departments of SMEs.

Recently, digital twin models come into play, and they are opening even more perspectives to incorporate computational mechanics and optimization towards the realization of digital models of real production lines. 

A recent demonstrator of those technologies has been recently realized in Italy, see: 

TAND0011's picture

Solid Edge 2020 Hands-On Workshop | Feb 21st, 2020 @ The Siemens Center

About this Free Solid Edge 2020 Workshop Solid Edge Synchronous CAD modeling tool will be demonstrated in this free workshop.

vh's picture

Novelis and Georgia Tech Establish Novelis Innovation Hub

Atlanta-based Novelis Inc. and Georgia Tech have announced a new collaboration to establish the Novelis Innovation Hub at Georgia Tech. The company has committed $2.5 million to initiate research, faculty, student, and educational program support. The collaboration will promote basic and translational research, innovative business models, and related educational endeavors at Georgia Tech and will serve as a cross-functional hub connecting Novelis’ technical and business innovators with Georgia Tech’s students and faculty.

 

Haitao Zhang's picture

Internship Announcement - Schlumberger

Title: Structural FEA Intern

Category: Internship in Industry

Employer: Schlumberger Technology Corporation

Location: Sugar Land, TX, USA

Opening Date: 08/1/2019

Material Testing: Crucial Step in Bridge Development & Engineering Design

Bridge failures underscore the importance of rigorous material testing. The collapse of the incomplete pedestrian bridge at Florida International University on March 2018 is an example where design errors led to growing cracks as described by OSHA.

Although material failure is not the sole reason for bridge failures, it is a crucial step for selecting the right materials, bridge design analysis, and construction testing.

Load Calculator

In our industry, equipment, including universal testing machines and grips and fixtures, are categorized by the maximum force capacity. We have generated an automatic load calculator to help calculate the required forces necessary to test a certain type of material. The calculator can be found here:  https://www.admet.com/calculators/load-calculator/

To use the calculator:

1- Select the specimen geometry. Options include: rectangular, round, tubular, by area.

Wide Width Tensile Testing

Tensile testing is among the most standard tests performed by universal testing machines yet depending on how the test specimen is used in its native environment, setting up the tensile test method is not always straightforward. Wide width tensile testing is a type of tensile testing procedure used with specimens that are prepared with wider width than the standard tensile specimen coupons. This blog posts covers wide width tensile testing, standards outlining wide width testing methods, and the necessary equipment.

Blog: Transforming MRI and CT scans into 3D Models

Being able to create accurate medical devices that are closely matched to a patient’s unique anatomy requires precision imaging, measurements, and design. A critical part of PrinterPrezz’s unique medifacturing™ workflow is our process of turning magnetic resonance imaging (MRI) and computed tomography (CT) scans into a 3D CAD image that can be manipulated and used for 3D printing.

Mechanical Testing- Aerospace Materials & Products

In the aerospace industry, testing is critical in successful product development and implementation. Mechanical testing of materials and products used in aerospace applications is governed by strict standards and often require accreditation. The type of testing performed includes tensile, compressive, flexural, fatigue testing, and more.

Optimizing Coil Design for the Large Hadron Collider

The High Luminosity (HiLumi) upgrade of the Large Hadron Collider (LHC) relies, amongst other additional upgrades, on superconducting 11 T dipole magnets for increasing the luminosity of the beam to enlarge the data sample for physics experiments. The new dipole magnets are manufactured from Nb3Sn superconducting elements that become very brittle after a very specific and necessary heat treatment during the manufacturing stage.

Automation vs. Manual Control in Concrete Testing

Concrete is one of the most widely used materials around the world. The construction industry is often involved in a wide array of testing which requires a variety of testing equipment. In addition to simple compression testing, testing standards such as ASTM C39, ASTM C109, ASTM C469, ASTM C1609 are among the test methods that can be followed to measure the mechanical properties of a concrete specimen. This blog post covers the mechanical testing of concrete in lab environments, its automation, and ways of achieving it.

Mechanical Testing of Concrete

Automotive Interior- Mechanical Testing

Aesthetics and material durability are closely related in consumer-facing industries such as the automotive industry. In addition to designing an aesthetically pleasing interior environment, developers aim to create an interior with durable components to stand up to long-term use. This blog post covers the different mechanical tests used to ensure automotive interior parts pass the test for aesthetics, quality, safety, and durability.

Pedestrian bridge collapse in Florida

http://www.nzherald.co.nz/world/news/article.cfm?c_id=2&objectid=12013879

Does anyone know more about the causes of that collapse?

Now that we supposedly know so much about mechanics, why does a small-span bridge like that collapse?  

It it because we are optimizing prematurely based on false confidence in numerical models?

-- Biswajit

michele.zappalorto@unipd.it's picture

The 7th edition of the International Conference on Fatigue of Composites (ICFC7)

The 7th edition of the International Conference on Fatigue of Composites is going to be held in Vicenza (Italy) from 4th to 6th of July 2018. The conference is organized by the Department of Management and Engineering at the University of Padova, under the patronage of the European Society for Composite Materials, the Committee on Composite Materials of the Japan Society of Material Science, the Italian Association for Stress Analysis and the Italian Group of Fracture.

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Mike Ciavarella's picture

Certification for Damage Tolerance

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I wonder if anyone in Imechanica follows or deals with Damage Tolerance of Aircraft Structures.  Not having to deal with everyday certification nor having direct experience, I know only what is reported in academic books, but I am confused about what is the standard in industry and certification, assuming there is one!

 

SUMMARIES OF AIRCRAFT LIFING CONCEPTS

 

Safe-Life design

Overhead Electrical Conductors: Louis Cloutier's legacy

I have been asked to give more details on Dr Cloutier's contribution to the field of overhead electrical conductors (power transmission lines) mechanics. I just received the attached document, written by one close colleague of his, Dr. Claude Hardy, who retired from IREQ, Hydro-Quebec research branch. A nice tribute to Louis Cloutier's legacy.

marco.paggi's picture

Durability of photovoltaic laminates: mechanical, economical and societal impacts

Mechanicians interested in interdisciplinary research on composites for photovoltaic energy applications, please download the free reports for policy makers and photovoltaic companies published by the Task 13 of the International Energy Agency: 

http://mailchi.mp/c40cfc488823/iea-pvps-newsletter-pv-power-update-39?e=...

 

The ERC Starting Grant CA2PVM is glad to have contributed to this outreach activity, see:

In Memoriam: Dr Louis Cloutier (1936-2017)

My friend and former colleague, Dr. Louis Cloutier, passed away on February 26. A long time Hydro-Quebec engineer, among other achievements, he will be remembered for his major contribution to the solution of electric power transmission mechanical problems, most notably to Aeolian vibration control, and related conductor fatigue.

CABLE UNDER AXIAL LOADING: AN ANALYTICAL MODEL

The classical problem of a cable under axial load has been revisited by Weiguo Wu and Xin Cao: Mechanics model and its equation of wire rope based on elastic thin rod theory, International Journal of Solids and Structures, in press, 9 pages. On line 22 october 2016 at http://www.sciencedirect.com/science/article/pii/S0020768316303122 .

Model is applied to a multistrand ccable given in a book by Costello (1990). Axial stiffness results compare very well.   

JeremyCeak's picture

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