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AFM 2014 Post Conference Report

Overview

The 10^th International Conference on Advances in Fluid
Mechanics took place in A Coruña, Spain, organised by the Wessex
Institute, represented by Prof Carlos A Brebbia and the University of A
Coruña, represented by Prof Santiago Hernandez, with the collaboration
of Prof Matiur Rahman of Dalhousie University, Canada.



The series started in 1996 when the first conference was held in New
Orleans, followed by Udine (1998); Montreal (2000); Ghent (2002); Lisbon
(2004); Skiathos (2006); The New Forest, home of the Wessex Institute
(2008); The Algarve (2010) and Split (2012).



The field of fluid mechanics has numerous applications and the
conference covers a wide range of topics, including basic formulations
and their computer modelling as well as the relationship between
experimental and analytical results. The emphasis is on new applications
and research currently in progress.



The continuous success of the conference is due to being able to
attract high quality contributions in a variety of new topics and
applications which is represented by the books published since the first
meeting took place in 1996. The papers in these books – like others
presented at Wessex Institute conferences – are part of the WIT
Transactions on Engineering Sciences series and are archived online in
the WIT eLibrary (http://library.witpress.com/), where they are immediately and permanently available to the scientific community.



The Conference was opened by Prof Carlos Brebbia, who explained to
the delegates the importance of the conference programme for the work of
the Wessex Institute, whose aim is for knowledge dissemination at
international level.



The Wessex Institute, Carlos explained, is now nearly 30 years old
and well established, as it provides a mechanism for interaction between
academic researchers and industry. It is well known for its pioneering
work on boundary elements, a technique which gave origin to computer
software codes now used as a tool for the analysis and design of many
engineering systems.



The focus of the Institute activities – Carlos explained – continues
to evolve in response to the needs of engineering sciences. Current
applications include analysis of energy systems and aerospace, amongst
others.



WIT Press is the publishing arm of the Institute which publishes not
only the WIT Transactions containing the conference proceedings but also
a series of other books and journals.



The training and research are carried out at the Institute campus in
the New Forest National Park, near Southampton in England, where WIT has
accommodation for visitors as well as residential researchers. Carlos
ended his presentation by wishing all a very successful conference and
hoping that the delegates will consider visiting the campus next time
they are in the region. This – he said – will allow them to have a
better understanding of the activities of the Wessex Institute.



Prof Santiago Hernandez from the University of A Coruña, spoke
afterwards, explaining the interest of his research group in fluid
mechanics and the types of work they carry out in his laboratory which
they were to visit during the conference. Santiago also mentioned some
of the attractions of the region, hoping that the participants would be
able to visit some of them and learn a bit more about Galicia, a unique
part of Spain with its own culture, language and traditions, many of
them related to its Celtic roots.

 Conference Topics

The conference papers were grouped in a series of topics as follows:

• Fluid structure interaction
• Turbulent flow
• Hydrodynamics
• Heat and mass transfer
• Industrial applications
• Fluid mechanics and heat transfer
• Computer simulation and experiments
• Nano and micro fluids
• Bubble and drop dynamics

 

 Invited Presentations

There were a series of invited presentations which helped to enhance the conference:

• “Applications of 2D URANS in fluid structure interaction problems
  of rectangular cylinders” by Felix Nieto of the University of A Coruña,
  Spain.
• “Turbulence: the covariant structure”, by Trevor Moulden, The University of Tennessee Space Institute, USA.
• “The equatorial meandering of abyssal ocean currents” by Gordon Swaters, University of Alberta, Canada.
• “Differentially heated flow from a rotating sphere” by Chun Ho Leung, University of Toronto, Canada.
• “Assessment of the aerodynamic response of bridge decks by means of
  2D Reynolds Averaged Navier-Stokes simulations” by Santiago Hernandez,
  University of A Coruña, Spain.

 

 Special Talk

A special talk was given by Prof Hussain Al-Kayiem of the University
of Technology Petronas in Malaysia on the general topic of fluid dynamic
developments through aviation history.



He referred to the interesting history of Abbas Ibn Firnas, the first
man who attempted to fly in the ninth century. He built a glider that
has recently been replicated in the USA. Firnas was from Cordoba, Spain,
then a cultural centre as important as Damascus. He was an astronomer,
musician, mathematician and poet in his 70^th year of age when he flew.



In the XI Century, Elmer in present day Iraq, also tried to fly and
much later Ahmed Celebi in the early 1800s glided from one side to the
other of the Bosphorus, inspired by the drawings of Leonardo da Vinci.



Also in the 19^th century a series of German aviators contributed to the development of gliding.



It was the Wright brothers who set up the fundamentals of modern
aviation, applying scientific principles and developing ways to deal
with control and stability.



Hussain described the tests of these early pioneers who set up the
foundations of modern aviation with numerous illustrations and
photographs.

 Social Occasions

The Conference offered many opportunities for the participants to
interact outside the lecture rooms, through coffee breaks, complimentary
lunches and during the conference banquet, amongst others.



The banquet took place in a restaurant renowned for the quality of
its Galician cuisine. The starter was octopus, before the main course,
consisting of veal marinated in red wine, followed by a dish of
different types of sweets and ice cream.



At the beginning of the dinner Carlos proposed a toast to all
conference participants and, in particular, to his Co-chairs, to whom
the success of the meeting was in great part due. He also explained the
unique culture and traditions of Galicia, derived from its Celtic roots.



At the end of the meal Carlos introduced a Galician musical ensemble.
They played a series of classical pieces from the region to the delight
and surprise of most of the audience. The Galician bagpipes are more
melodious than others and their music is always present at every
celebration or family event.



The International Scientific Advisory Committee of the conference met
over dinner at an excellent restaurant known by the quality of its
local cuisine. The dinner consisted of seafood and fish for which
Galicia is renowned, accompanied by excellent Albarino white wines. The
dinner focused on the topics to be included in 2016, nominations for the
committee and possible locations.

 Special Visit

A special visit was arranged for the delegates to see the
experimental facilities at the School of Engineering, University of A
Coruña. As an introduction, Prof Santiago Hernandez gave a short talk
regarding the laboratories at the School and described the experiments
recently carried out at the aerodynamics wind tunnel.



The visit not only comprised the wind tunnel but also the basin for
coastal and harbour modelling and the laboratory dealing with hydraulics
testing.



The delegates were most interested in the laboratories and in
particular the way in which physical models of some components – such as
bridge deck sections – were used to obtain data for running computer
models of large suspension and cable stayed bridges, amongst others.

 Closing of the Conference

At the end of the conference the delegates were invited to visit the
Historical Town Hall in La Coruña, where they were received in the
Council Chamber by the Lieutenant Major in charge of tourism. She
explained about the origins of the town and its Roman past, including
the Hercules legend which gave rise to the name of the ancient
lighthouse which has become the symbol of the city.



The delegates were shown the different rooms and the unique clock
collection which was the passion of a wealthy citizen, who donated it to
the city afterwards. The town hall building is very much in daily use
and covers a whole side of the Maria Pita town square, one of the nicest
in Europe.



The visit was a most fitting end for a successful and very friendly meeting.

 Conference Proceedings

The proceedings AFM 2014 – Advances in Fluid Mechanics X, 472pp
(Print ISBN: 978-1-84564-790-2; eISBN: 978-1-84564-791-9) are available
from WIT Press. Orders can be placed on the WIT Press web site at
www.witpress.com or by email:
marketing@witpress.com, telephone: +44 (0) 238 029 3223 or fax: +44 (0) 238 029 2853.



Papers from the conference will also be hosted online at the WIT
eLibrary as Volume 82 of WIT Transactions on Engineering Sciences (ISSN:
1746-4471, Digital ISSN 1743-3533). For more details visit the WIT
eLibrary at http://library.witpress.com

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Heat Transfer 2014 Post Conference Report

Overview

The 13^th International Conference on Simulation and
Experiments in Heat and Mass Transfer (Heat Transfer 2014) took place in
A Coruña, Spain organised by Lund University of Technology, Sweden and
Wessex Institute, UK, with the collaboration of the University of A
Coruña.



The Conference Chairmen were Prof Bengt Sunden, from Lund University
and Prof Carlos A Brebbia, Director of the Wessex Institute.



The Conference started in Portsmouth, UK in 1988, followed by Milan
(1992); Southampton (1994); Udine (1996); Krakow (1998); Madrid (2000);
Halkidiki (2002); Lisbon (2004); New Forest, UK, home of the Wessex
Institute (2006); Maribor (2008); Tallinn (2010) and Split (2012).



The objective of the series is to provide a forum for presentation
and discussion of advanced topics, new approaches and applications of
innovative computational methods and experimental measurements in heat
and mass transfer.



Heat transfer topics and related phenomena are commonly of a complex
nature and different mechanisms like heat conduction, convection,
turbulence, thermal radiation and phase change as well as chemical
reactions may occur simultaneously. Typical applications are found in
heat exchanges, gas turbine cooling, turbulent combustion and fires,
fuel cells, batteries, micro- and mini- channels, electronic cooling,
melting and solidification, chemical processing and aerospace
engineering.



Heat transfer may be regarded as an established and mature scientific
discipline, but it plays a major role in new emerging ideas such as
sustainable development and reduction of greenhouse gases as well as for
micro- and nano-scale structures, nano fluids and bio-engineering.
Non-linear phenomena may occur due to temperature dependent
thermophysical properties.



To analyse the thermal process and enable design and optimisation,
advances in computational methods continue to be important as
engineering design and development require reliable and accurate
computational tools to replace or complement expensive and time
consuming experimental trial and error work. Tremendous advancements
have been achieved during recent years due to improved numerical
solution algorithms for non-linear differential equations, turbulence
modelling and the development of computers and computing programmes to
achieve efficient and rapid simulations. Nevertheless, further progress
in computational methods will require developments in theoretical and
predictive procedures in applied research. Accurate experimental
investigations with advanced instrumentation are needed to validate the
numerical calculations.



Many excellent research topics were discussed at the Heat Transfer
2014 conference, during which new applications were presented related to
the use of advanced computational methods and experimental measurements
in heat and mass transfer.



The Conference books containing papers presented at the meeting is
Volume 83 of the series WIT Transactions on Engineering Sciences, which
is widely distributed around the world in digital as well as hard copy
formats. The papers are also permanently archived in the Institute
eLibrary (http://library.witpress.com/), where they are easily accessible to the international community.

 Opening of the Conference

The Conference was opened by Prof Carlos A Brebbia who explained the
work of the Wessex Institute, in particular its objective to act as a
mechanism for knowledge transfer. WIT – Carlos said – carries out this
by a series of activities, including industrial research, publication
and training.



In the field of industrial applications the Institute is renowned
throughout the world because of its pioneering research on boundary
elements. The method is used for the analysis of problems affecting
electric conduction and offshore structures and other situations used in
petroleum engineering. This allows for the design of effective cathodic
protection systems against corrosion. The efficient analysis of these
systems, Carlos explained, has been possible because of the development
of BEM tools.



Fracture mechanics and in particular crack propagation is another
problem in which the Institute has carried out original research using
BEM. The development of meshes that can follow the growth of cracks
allowed for the prediction of the residual life of components with
initial cracks. This has important applications in aerospace
engineering.



The international WIT conference programme is well known. It consists
of 25 or so meetings per year in different locations around the world.
The conferences aim to provide the right environment for the exchange of
scientific knowledge, promoting discussion and allowing for networking.
The conference papers are published in book form and widely distributed
throughout the world.



Training activities, including PhD and Post-doctoral research, takes
place in the Wessex Institute campus located in the New Forest, a
National Park in the South of England. The excellent facilities and the
peaceful environment render the campus an ideal place for research.



Carlos concluded his remarks by thanking the delegates for their
support of WIT conferences and hoping that they will consider visiting
the Institute campus, when convenient. In that way they will be able to
better appreciate the work of the Wessex Institute.

 Keynote Address and Invited Presentations

The keynote address of the conference was delivered by Prof Sunden,
who spoke about “Computational opportunities of energy related transport
processes”. His talk was followed with great interest and gave rise to
numerous questions.



This was followed by an invited presentation by Prof Hussain
Al-Kayiem from Petronas University of Technology in Malaysia. The title
was “Ribbed double pipe heat exchanger experimental analysis”.



Other invited papers were as follows:

• “The thermal performance of thermosyphons employing nanofluids” by
  Matthias Buschmann, The ILK and Technical University, Dresden, Germany.
• “The thermal conductance of collection tubes in geothermal energy systems” by Ramon Frederick, University of Chile, Chile.
• “Quantitative measuring methods applied for the mixing phenomena of
  film cooling” by Kenichiro Takeishi, Osaka University, Japan.

 

 Conference Topics

The papers were arranged in the following topics:

• Heat transfer enhancements
• Heat recovery
• Heat exchanges
• Heat transfer in energy producing devices
• Heat and mass transfer
• Conventional radiation
• Multiphase flow heat transfer
• Modelling and experiments
• Experimental and measuring technologies

 

 Special Talk

A special talk was given by Prof Hussain Al-Kayiem of the University
of Technology Petronas in Malaysia on the general topic of fluid dynamic
developments through aviation history.



He referred to the interesting history of Abbas Ibn Firnas, the first
man who attempted to fly in the ninth century. He built a glider that
has recently been replicated in the USA. Firnas was from Cordoba, Spain,
then a cultural centre as important as Damascus. He was an astronomer,
musician, mathematician and poet in his 70^th year of age when he flew.



In the XI Century, Elmer in present day Iraq, also tried to fly and
much later Ahmed Celebi in the early 1800s glided from one side to the
other of the Bosphorus, inspired by the drawings of Leonardo da Vinci.



Also in the 19^th century a series of German aviators contributed to the development of gliding.



It was the Wright brothers who set up the fundamentals of modern
aviation, applying scientific principles and developing ways to deal
with control and stability.



Hussain described the tests of these early pioneers who set up the
foundations of modern aviation with numerous illustrations and
photographs.

 Social Occasions

The Conference offered the delegates numerous opportunities for
informal discussions outside the sessions, including coffee breaks,
complimentary lunches and the conference banquet.



The banquet took place in a restaurant renowned for the quality of
its Galician cuisine. The starter was octopus, before the main course,
consisting of veal marinated in red wine, followed by a dish of
different types of sweets and ice cream.



At the beginning of the dinner Carlos proposed a toast to all
conference participants and, in particular, to his Co-chairs, to whom
the success of the meeting was in great part due. He also explained the
unique culture and traditions of Galicia, derived from its Celtic roots.



At the end of the meal Carlos introduced a Galician musical ensemble.
They played a series of classical pieces from the region to the delight
and surprise of most of the audience. The Galician bagpipes are more
melodious than others and their music is always present in every
celebration or family events.



The International Scientific Advisory Committee (ISAC) met over
dinner to discuss the progress of the meeting and how to improve it in
2016 when it is to be reconvened. There were a few new topics suggested
as well as new members for the committee. The problems of visa
requirements in certain locations were a deterrent to hold the meeting
there. Some suggested locations were deemed better than others and they
will be investigated by the Conference Division at WIT.

 Conference Proceedings

The proceedings Heat Transfer 2014 – Heat Transfer XIII: Simulation
and Experiments in Heat and Mass Transfer, 548pp (Print ISBN:
978-1-84564-794-0; eISBN: 978-1-84564-795-7) are available from WIT
Press. Orders can be placed on the WIT Press web site at
www.witpress.com or by email:
marketing@witpress.com, telephone: +44 (0) 238 029 3223 or fax: +44 (0) 238 029 2853.



Papers from the conference will also be hosted online at the WIT
eLibrary as Volume 83 of WIT Transactions on Engineering Sciences (ISSN:
1746-4471, Digital ISSN 1743-3533). For more details visit the WIT
eLibrary at http://library.witpress.com

Read More

Porting Your Android Wear Developer Preview Code to the Latest Support Library

Today’s post on #AndroidWear is from +Wayne Piekarski.

Now that the full Android Wear SDK is available, it’s time to port your existing wearable-enabled notification
code from the Developer Preview. In the process, you’ll switch to using
the latest Android support library, and there are some small API
changes that will require you to update your code. This article will
show you how to update my previous code samples that were released
earlier for stacks and pages, which you can use to guide the conversion of your own code as well.

To get started with an existing project in Android Studio, you should update to the 0.8 or later release.
You also need to make sure you’ve downloaded the Google Support Library
version 20 or later from the SDK Manager. Since this is only a
notification-based example, there’s no need to download the full Android
Wear SDK, which is only needed if you want to create an APK to run on
the wearable device.

Unix diff output is used to show the necessary changes in an easy to
understand way. Do not copy the + or - symbols at the start of each
line, and ignore the lines starting with @@ which are used to indicate
the line number that changed. For the curious, I used the following
command to generate the diff output from the last commit in my GIT
repository (the -U1 shows one line of context to keep the output
simple):

git show HEAD -U1

Gradle changes

To add the new support-v4 library, you need to edit your build.gradle file like so:

@@ -24,2 +24,3 @@ dependencies {
     compile 'com.android.support:appcompat-v7:19.+'
+    compile 'com.android.support:support-v4:20.0+'
 }

Make sure you remove the wearable-preview-support.jar that was
provided with the Developer Preview from your libs directory and
build.gradle file, since these features are now in the standard support
library.

Package imports

Since the APIs and package names have changed, the import statements
at the top of MainActivity.java need to be adjusted like this:

@@ -7,3 +7,2 @@ import android.view.MenuItem;
-import android.support.v4.app.NotificationCompat;
 import android.app.Notification;
@@ -13,4 +12,9 @@ import android.graphics.Bitmap;
 import android.graphics.BitmapFactory;
-import android.preview.support.v4.app.NotificationManagerCompat;
-import android.preview.support.wearable.notifications.WearableNotifications;
+import android.support.v4.app.NotificationCompat;
+import android.support.v4.app.NotificationManagerCompat;
+
+// Extra dependencies needed for the pages example
+import java.util.ArrayList;
+import java.util.List;
+import android.support.v4.app.NotificationCompat.BigTextStyle;

Stacking notifications

Since the preview SDK, we have simplified how notifications are
implemented. The existing NotificationCompat.Builder() was extended to
support groups directly, instead of a separate WearableNotifications
class. The steps are a lot simpler, as can be seen with the following
changes to showStackNotifications():

@@ -63,3 +67,3 @@ public class MainActivity extends ActionBarActivity {
         // Group notification that will be visible on the phone
-    NotificationCompat.Builder builderG = new NotificationCompat.Builder(this)
+    Notification summaryNotification = new NotificationCompat.Builder(this)
             .setContentTitle("2 Pet Notifications")
@@ -67,5 +71,5 @@ public class MainActivity extends ActionBarActivity {
             .setSmallIcon(R.drawable.ic_launcher)
-                .setLargeIcon(bitmapMila);
-    Notification summaryNotification = new WearableNotifications.Builder(builderG)
-            .setGroup(GROUP_KEY_MESSAGES, WearableNotifications.GROUP_ORDER_SUMMARY)
+                .setLargeIcon(bitmapMila)
+            .setGroup(GROUP_KEY_MESSAGES)
+            .setGroupSummary(true)
             .build();
@@ -76,3 +80,3 @@ public class MainActivity extends ActionBarActivity {
             PendingIntent.getActivity(this, notificationId+1, viewIntent1, 0);
-    NotificationCompat.Builder builder1 = new NotificationCompat.Builder(this)
+    Notification notification1 = new NotificationCompat.Builder(this)
             .addAction(R.drawable.ic_action_done, "Treat Fed", viewPendingIntent1)
@@ -81,4 +85,3 @@ public class MainActivity extends ActionBarActivity {
                     + "Can we have steak?")
-                .setSmallIcon(R.drawable.ic_launcher);
-    Notification notification1 = new WearableNotifications.Builder(builder1)
+            .setSmallIcon(R.drawable.ic_launcher)
             .setGroup(GROUP_KEY_MESSAGES)
@@ -89,3 +92,3 @@ public class MainActivity extends ActionBarActivity {
             PendingIntent.getActivity(this, notificationId+2, viewIntent2, 0);
-    NotificationCompat.Builder builder2 = new NotificationCompat.Builder(this)
+    Notification notification2 = new NotificationCompat.Builder(this)
             .addAction(R.drawable.ic_action_done, "Water Filled", viewPendingIntent2)
@@ -93,4 +96,3 @@ public class MainActivity extends ActionBarActivity {
             .setContentText("Can you refill our water bowl?")
-            .setSmallIcon(R.drawable.ic_launcher);
-        Notification notification2 = new WearableNotifications.Builder(builder2)
+            .setSmallIcon(R.drawable.ic_launcher)
             .setGroup(GROUP_KEY_MESSAGES)

Page notifications

Page notifications have also changed to use a WearableExtender() class instead of the WearableNotifications class, as can be seen here in showPageNotifications():

@@ -151,3 +153,3 @@ public class MainActivity extends ActionBarActivity {
             PendingIntent.getActivity(this, notificationId+1, viewIntent1, 0);
-    NotificationCompat.Builder builder1 = new NotificationCompat.Builder(this)
+    Notification notification1 = new NotificationCompat.Builder(this)
             .addAction(R.drawable.ic_action_done, "Returned", viewPendingIntent1)
@@ -155,5 +157,4 @@ public class MainActivity extends ActionBarActivity {
             .setContentText("You have " + numOverdue + " books due at the library")
-            .setSmallIcon(R.drawable.ic_launcher);
-    Notification notification1 = new WearableNotifications.Builder(builder1)
-            .addPages(extras)
+                .setSmallIcon(R.drawable.ic_launcher)
+            .extend(new NotificationCompat.WearableExtender().addPages(extras))
             .build();

Conclusion

If you want to download the final source code of showStackNotifications() and showPageNotifications(), you can download the MainActivity.java file. You can build this file easily by creating a new project in Android Studio, adding the support library, and then copying in this MainActivity.java.

As you can see, porting this previous code over to the latest Android
Wear SDK is really easy! It should take you hardly any time at all to
get your experimental applications ported over and ready for publishing
on the Google Play!

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Google I/O 2014 App Source Code Now Available | Android Developers Blog

Google I/O 2014 App Source Code Now Available | Android Developers Blog

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