Hitachi Dynamic Tiering: An In-Depth Look at Managing HDT and Best Practices,...Hitachi Vantara
Hitachi Dynamic Tiering (HDT) simplifies storage administration by automatically optimizing data placement on multiple tiers of storage. Optimizing this environment will ensure that applications get the performance requirements expected from the underlying storage.
Hitachi Dynamic Tiering: An In-Depth Look at Managing HDT and Best Practices,...Hitachi Vantara
Hitachi Dynamic Tiering (HDT) simplifies storage administration by automatically optimizing data placement on multiple tiers of storage. Optimizing this environment will ensure that applications get the performance requirements expected from the underlying storage.
The Toy Collection - the finest collection of Yacht ToysJosh Richardson
Superyacht Tenders and Toys are dealers for every make and model of yacht toys, and The Toy Collection offers a fantastic publication to act as inspiration and guidance to yacht owners.
BerlinerVietnam is the leading manufacturer in equipment for playgrounds.
See more: http://www.berliner.com.vn/index.html
--------
: www.berliner.com.vn/
: info@berliner.com.vn
☎️ : (0236) 651 3333 / (0236) 652 3333
Today most people on Earth are connected through wired or wireless networks, or both. The next leap in connectivity will give people the ability to control objects and machines. The Internet of Everything (IoE) will tag objects with tiny wireless devices for communication, computation and sensing. Some projections show demand for such IoE smart sensors will grow from billions to trillions within a decade. The essential enabling technology is an ultra-low power smart radio to provide a unique IP address and location. In this talk, Amin Arbabian discusses how he developed an ant-sized wireless-powered radio chip that costs pennies to fabricate– making it cheap enough to become the missing link to enable the Internet of Everything.
Embedded computing is everywhere. It is in our car engines, refrigerators, and even in the singing greeting cards we send. With improvements in wireless technology, these systems are starting to talk with each other, and they are appearing in places like our shoes and wrists to monitor our athletic activity or health. This emerging Internet of Everything (IoE) has tremendous potential to improve our lives. But like any powerful technology, it also has a dark side: it will observe and implement many of our actions. Security in the IoE is likely to be even more critical than general Internet security. After reviewing some of the challenges in creating a secure IoE, Horowitz will describe a new research program at Stanford to address this issue.
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The Toy Collection - the finest collection of Yacht ToysJosh Richardson
Superyacht Tenders and Toys are dealers for every make and model of yacht toys, and The Toy Collection offers a fantastic publication to act as inspiration and guidance to yacht owners.
BerlinerVietnam is the leading manufacturer in equipment for playgrounds.
See more: http://www.berliner.com.vn/index.html
--------
: www.berliner.com.vn/
: info@berliner.com.vn
☎️ : (0236) 651 3333 / (0236) 652 3333
Today most people on Earth are connected through wired or wireless networks, or both. The next leap in connectivity will give people the ability to control objects and machines. The Internet of Everything (IoE) will tag objects with tiny wireless devices for communication, computation and sensing. Some projections show demand for such IoE smart sensors will grow from billions to trillions within a decade. The essential enabling technology is an ultra-low power smart radio to provide a unique IP address and location. In this talk, Amin Arbabian discusses how he developed an ant-sized wireless-powered radio chip that costs pennies to fabricate– making it cheap enough to become the missing link to enable the Internet of Everything.
Embedded computing is everywhere. It is in our car engines, refrigerators, and even in the singing greeting cards we send. With improvements in wireless technology, these systems are starting to talk with each other, and they are appearing in places like our shoes and wrists to monitor our athletic activity or health. This emerging Internet of Everything (IoE) has tremendous potential to improve our lives. But like any powerful technology, it also has a dark side: it will observe and implement many of our actions. Security in the IoE is likely to be even more critical than general Internet security. After reviewing some of the challenges in creating a secure IoE, Horowitz will describe a new research program at Stanford to address this issue.
Wireless has evolved from Marconi's station-to-station telegraphy, to audio and video broadcasting, to today’s person-to-person mobile digital communications. Each transition has surprised even the revolutionaries who brought it about, and each transformed civilization. We expect similar disruptions from the next phase of interconnectivity, in which a trillion objects join the conversation. Tech pundits have long talked about an Internet of Things, a vision most often dominated by machine-to-machine communications in industrial settings. Lee will make the case for the Internet of Everything in which humans will be involved in the most compelling applications yet to emerge. He will describe some possible futures, and how Stanford engineers are working to overcome significant challenges to realize those futures.
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Exploiting Artificial Intelligence for Empowering Researchers and Faculty, In...Dr. Vinod Kumar Kanvaria
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Artificial Intelligence (AI) technologies such as Generative AI, Image Generators and Large Language Models have had a dramatic impact on teaching, learning and assessment over the past 18 months. The most immediate threat AI posed was to Academic Integrity with Higher Education Institutes (HEIs) focusing their efforts on combating the use of GenAI in assessment. Guidelines were developed for staff and students, policies put in place too. Innovative educators have forged paths in the use of Generative AI for teaching, learning and assessments leading to pockets of transformation springing up across HEIs, often with little or no top-down guidance, support or direction.
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3. 161 Year Old Tradition
1851 ! ! Royal Yacht Squadron gives cup for Isle of Wight race!
! ! Won by schooner America, donated to New York Yacht Club!!
! ! !
! ! Deed of Gift: cup for perpetual international competition!
till 1970 !Twenty successful defenses with always just one challenger!
!
1970 ! !Challenger selection series starts – the Louis Vuitton Cup!
!
1983 ! !Royal Perth Yacht Club steals trophy from NYYC (finally!)!
!
1987 ! !Dennis Connor (USA) takes revenge in Stars & Stripes in Perth!
!
1988 ! ! Surprise challenge by New Zealand (KZ1 90 ft "big boat")!
! ! Connor won with 45 ft cat. !
!
4. !
! ! !!
1992 ! !US successfully defends Cup in San Diego!
!
1995 ! !Team New Zealand sails to victory in San Diego!
!
2000 ! !Team New Zealand beats Italian challenger Prada!
!
2003 ! !Swiss challenger Alinghi beats Team New Zealand in Auckland!
!
2007 ! !Alinghi beats challenger Team New Zealand in Valencia!
!
2008-9! ! Team Oracle wins court case for rightful AC challenge!
! ! (Battle of the Billionaires Ellison and Bertarelli)!
!
!
!
2010 ! !Oracle beats Alinghi in Valencia!
5. 115ft long!
!
Swiss Alinghi skipper!
Brad Butterworth!
!
USA Oracle skipper!
Jimmy Spithill!
Captain Russell Coutts!
!
!
Oracle easily beats Alinghi
with metallic wing rather
than traditional sail!
!
!
!
!
6. America’s Cup World Series AC45
Wingsail catamaran by!
Mike Drummond/Oracle !
honeycombcore/carbonfiber!
44 ft; 2850 lb; 70 ft heigh!
!
!
7. 2013 America’s Cup (number 34)
America’s Cup World Series !
Regular circuit of regattas with fleet and match racing in each event!
2011-2012 !completed!
2012-2013 !San Francisco, Aug 21-26 and Oct 2-7, 2012!
! ! !Venice, April 16-21, 2013!
! ! !Naples, May 14-19, 2013!
! ! !!
!
Louis Vuitton Cup !San Francisco, July 4 – Sept 1, 2013!
!
America’s Cup Finals !San Francisco, Sept 7 – 22, 2013!
!
11. Typically *very* close races
Time! Delta in !
Min:sec! seconds!
Start! 0!
1! 26:11! 12!
2! 24:14! -34!
3! 26:37! -26!
4! 22:43! -14! Three upwind, three downwind legs!
5! 27:33! -26! Each 3 nautical miles!
!
finish! 25:43! 7!
12. How to Maximize Performance?
Can Mathematics Help?
Balance forces and moments and maintain stability!
Make sure structural design limits are met!
Respect any race and design rules !
Take into account uncertainty in wind, waves and crew handling!
! !!
A *very* complex engineering problem!!!
!
13. The Main Design Rule in 2000/2003
( length + 1.25 x (sail area)1/2 – 9.8 x (displacement)1/3 ) / 0.679 = 24!
The international America’s Cup Class Rule!
!
Originally hoped to introduce difference designs!
!
!
But, two typical designs:!
!
Length overall !82 ft ! !79.5 ft!
Beam ! !14.1 ! !13.3 ft!
Sail area! !3600 sq ft !3600 sq ft!
!
!
15. Heeling force limits max driving force
Vertical plane
aerodynamic
side foce
heel angle
crew
weight
Stability through crew,!
lead ballast in lower!
part keel and/or bulb!
!
In IACC, bulb is 20!
hydrodynamic buoyancy force
weight
tons out of total of 24!
side force
22. 3D adds a Literal Twist
Angle and strength apparent wind varies with height!
UT
Twisted onset flow!
US UA
Sails twisted!
(to operate close to ideal angle)!
!
!
23. Wind tunnels in sail design
University of Auckland !
Twisted Flow Wind Tunnel!
24. CFD only option for upwind analysis
Flat sail (small camber)!
Possibly TE separation, LE bubble (re-attached)!
!
For AC upwind main+genoa!
• Re O(106), L/D approximately 8-9!
• Pressure drag approximately 10% of sail drag!
• Induced drag up to 15% of total drag (high roach)!
25. Resolve Turbulent Flow Features
> ideal (22º)
Ideal angle (18º)
> ideal (26º)!
Choice turbulence models non-trivial when separated!
26. Downwind CFD in Early Stage
Wind tunnel tests lead to 15% efficiency gain !
What improvement can we get with CFD?!
!
AC genneker operates at maximum lift (high-lift foil)!