TIET Newsletter
Nov 2015
In this Issue
  • How to print shape shifters – 4D printing
  • Drones monitoring progress at construction sites
  • Plastic-eating worm might be the solution to mounting waste
  • TIET Updates

The increasing migration of people from rural to urban areas has forced government to review the policy on regional planning and come up with a plan to reduce load on rural land caused due to rapid urbanisation. To address this problem, the government has realized the need for developing cities that can cope up with the challenges of urban living. One such initiative is to set up Smart Cities that will be self-reliant and advanced in terms of overall infrastructure, market viability, basic amenities, information and communication networks, etc. Also, inclusion of investment regions or special economic zones in these cities will ensure developmental activities are sustainable and rationally incremental by virtue of being based on success-oriented market drivers such as supply and demand.

Let us hope that the concept of Smart Cities realizes fast and succeeds in enhancing the living standards of people through implementation of new technologies.

How to print shape shifters – 4D printing
Can we print a robot that can walk out of a printer? This question almost sounds like a joke. But according to an article published in the scientific journal 3D Printing and Additive Manufacturing, it is possible with an emerging technology called 4D printing. This field is getting immense interest among engineers and scientists because it expands the limits of what a printer can print.

Most objects that are printed from a 3D printer just sit there. They can't do anything without human intervention. And they remain the same no matter where they go. In contrast, a 4D printed object can respond and adapt to its environment. It may change its shape, size, or colour.

3D printing gets its name because it prints solid objects that have three dimensions. The fourth dimension in 4D printing comes from time. In physics and math, time is often considered as the dimension that comes after length, width, and height. Solid objects may change over time. They may move, morph in shape or change in other ways. Similarly, a 4D printed object is something that's designed to change after it's printed.

Drones monitoring progress at construction sites
For some construction workers, any thoughts of slacking off could soon seem rather quaint. The drones will almost certainly notice. The site of a lavish new downtown stadium for the Sacramento Kings in California is being monitored by drones and software that can automatically flag slow progress.
Once per day, several drones automatically patrol the Sacramento work site, collecting video footage. That footage is then converted into a three-dimensional picture of the site, which is fed into software that compares it with computerized architectural plans as well as the construction work plan showing when each element should be finished. The software can show managers how the project is progressing, and can automatically highlight parts that may be falling behind schedule.

The project highlights the way new technologies allow manual work to be monitored, scrutinized, and tracked more closely using desktop and smart phone software.

The University of Illinois team is currently testing a system that will allow drones to attach cameras to locations across a building site, so that activity can be monitored continually.

Plastic-eating worm might be the solution to mounting waste
An international team of researchers found that the Darkling Beetle larvae, the mealworm, can subsist on a diet of Styrofoam and other forms of polystyrene. This new research could have staggering implications for plastic waste pollution. In an ongoing worm study, Stanford engineers collaborated with researchers at the University of China and found that microorganisms in the guts of the common mealworm biodegrade Styrofoam. The process produces carbon dioxide and a usable waste that appears to be safe for crop use.

In the lab, 100 mealworms ate between 34 and 39 milligrams – the weight of small pill – of Styrofoam per day. The worms converted the plastic into carbon dioxide, and within 24 hours excreted the rest as biodegradable fragments that look like rabbit droppings. Styrofoam has long been considered non-biodegradable, and the new results have been described as shocking.

"Our findings have opened a new door to solve the global plastic pollution problem," Wei-Min Wu, co-author of the two companion studies on the subject and a senior research engineer at Stanford University, said in a statement. Wu said the mealworms, despite being fed a steady diet of plastic, were as healthy as those on a normal diet and that their waste appeared to be safe to use as soil for crops.

  • TIET-Ramesh Nagar, Delhi conducted a workshop on "Application of AutoCAD in Civil and Mechanical trade" at ITI, Tilak Nagar, and ITI, Jail Road, New Delhi

  • TIET organized a seminar on "Emerging Trends in Construction Industry" for the students of architectural stream of KR Mangalam University.

  • TIET initiated dialogue with Honda Car India Limited, Bhiwadi (Rajasthan) for creating walk-through of their production processes.

Textbook Overview
CADCIM Technologies publishes textbooks on Computer Aided Design, Manufacturing, and Engineering (CAD/CAM/CAE), Civil, GIS, Animation, and Computer Programming software... More

New Releases
CADCIM announces the release of Exploring Autodesk Navisworks 2016, 3rdEdition; Autodesk Maya 2016: A Comprehensive Guide, 8th Edition; Exploring AutoCAD Civil 3D 2016, 6th Edition... More

Upcoming Textbooks
Our team of authors is currently working on the new and latest releases of various software packages and will soon come up with NX Nastran 9.0 for Designers; SOLIDWORKS Simulation 2015 for Designers; SOLIDWORKS 2016 for Designers, 14th Edition; SOLIDWORKS 2016: A Tutorial Approach, 3rd Edition; Learning SOLIDWORKS 2016: A Project based Approach; CATIA V5-6R2015 for Designers, 13th Edition; Solid Edge ST8 for Designers, 13th Edition; Exploring Raster Design 2016 for Image Processing; Exploring ETabs 2016; Exploring RISA 3D; Exploring Autodesk Navisworks 2016, 3rd Edition; AutoCAD Electrical 2016 for Electrical Control Designers, 7th Edition; Exploring Oracle Primavera P6; Adobe Flash Professional CC 2015: A Tutorial Approach, 3rd Edition; Pixologic ZBrush 4R7: A Comprehensive Guide; MAXON CINEMA 4D Studio R17: A Tutorial Approach, 4th Edition... More

***The news items contained in this newsletter have been compiled from various publications and restructured to make our readers familiar with emerging technologies. TIET does not claim any copy right of these items.

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