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Automatic Differentiation Workshop
This 2-day workshop is the latest in a series that provides a forum for the presentation of theoretical developments in and applications of Automatic Differentiation (AD) and adjoint methods.
Date: November 27, 2003 - November 28, 2003
Location: Room LD454, College Lane Campus, University of Hertfordshire, Hatfield, Hertfordshire, United Kingdom
Web Page:
Contact Email:
Organizer: University of Hertfordshire/Cranfield University
Application Areas: Aerospace, General CFD
Special Fields: Finite Difference Methods, Multigrid Methods, Boundary Element Methods, Aerodynamics, Optimization, Numerical Methods, Scientific Computing
Softwares: Matlab
Deadlines: October 27, 2003 (abstract), November 14, 2003 (registration)
Type of Event: Workshop, International

Joint University of Hertfordshire/Cranfield University 

Automatic Differentiation Workshop

Thursday 27th & Friday 28th November 2003

to be held at:
         Room LD454
         College Lane Campus
         University of Hertfordshire
         Herts AL10 9AB
         England, Europe

Sponsored by the Engineering and Physical Sciences Research Council

This 2-day workshop is the latest in a series that provides a forum for the presentation of theoretical developments in and applications of Automatic Differentiation (AD) and adjoint methods.  

Updated information can be found at:
and follow link to "Workshops on Automatic Differentiation"


This workshop is organised into two complementary sections.  The Thursday session concentrates on AD applications (particularly those concerned with aerospace or engineering design), whereas the Friday session focuses on more theoretical aspects of Automatic Differentiation.  Speakers include:

Thursday 27 November: 

10:00 - 10:45	Tea / Coffee

10:45 - 11:00	Welcome and Introduction

11:00 - 12:30	Session 1
	George Corliss (Marquette University)
	 'Applying Global Optimization in Structural Engineering'
	Chris Hill (MIT)
	 'Application of reverse mode automatic differentiation to
	 Earth system modeling.'

12:30 - 14:00 	Lunch

14:00 - 15:30	Session 2
	Paul Cusdin (Queen's University Belfast)
	 'A Study in AD for Computational Fluid Dynamics'
	Christian Bischof (RWTH-AACHEN)
	 'Sensitivities for a Single Drop Simulation'
	Mohamed Tadjouddine (Cranfield University)
	 'Elimination AD Applied to Jacobian Assembly for an Implicit
	 Compressible CFD solver.' 

15:30 - 16:00	Tea / Coffee

16:00 - 17:00	Session 3
	Julia Sternberg (Dresden University of Technology)
	 'A-Revolve: An adaptive memory- and run-time-reduced procedure
	 for calculating adjoints; with an application to the instationary
	 Navier-Stokes system'
	Amos Lawless (Reading University)
	 'Approximate Gauss-Newton methods for data assimilation'
Friday 28 November: 

09:30 - 10:30	Session 4
	Jean Utke (Argonne)
	 'Why is the DAG falling apart'
	Andreas Griewank (Dresden University of Technology)
	 'Jacobians and Hessians are Scarcely Matrices!'

10:30 - 11:00	Tea / Coffee

11:00 - 12:30	Session 5
	John Pryce (Cranfield University)
	 'Computing Taylor series and associated Jacobians for DAEs'
	Koichi Kubota (Chuo University / University of Hertfordshire)
	 'Detection of numerically unstable computations with automatic
	Jan Riehme (Dresden University of Technology)
	 'Performance observations with the AD-enabled NAGWare
	 Fortran 95 Compiler'

12:30 - 14:00 	Lunch

14:00 - 15:30	Session 6
	Bruce Christianson (University of Hertfordshire)
	 'Random thoughts on modelling uncertainties'
	Uwe Naumann (Argonne National Laboratory)
	  'The 'No Free Refill' Conjecture'
	Discussion Session

15:30 - 16:00	Tea / Coffee

The schedule for the meeting is now full.

*** Please keep the cheques coming in!  If you have not already responded, this is your last chance.
If you would like to register to attend please print out the registration form as a .ps ( or as a .pdf (, 
and send the completed form by fax (+44 1707 284 185) or by regular mail to: 
Johanna Hunt 
University of Hertfordshire 
Dept. of Computer Science 
Hatfield, Herts AL10 9AB 
*** IF you do not wish to come to the dinner, or if you have a significant other you would like to bring, please let us know ASAP.

For further information about accommodation please see this information page (  Please contact Johanna Hunt (see below) should any further information be required.
*** PLEASE let us know if you will need to park a car while there is still time for us to arrange a permit!  Please provide us with your postal address and car registration number ASAP as we will need to post you a parking permit for your vehicle in advance of the meeting!

There is a nominal registration fee to defray administration and refreshment costs.  (This fee includes two lunches and the Workshop dinner on Thursday night.)  If you have no means of recovering your registration costs, please indicate this as a concessionary rate may be available in such case.
Academics £50
Non-Academics £75
Research Students £20*
(reduction for single day attendance £10 in each case.)
* Limited funding is available to part-cover travel and participation costs for research students.  For further information please email Johanna Hunt.

Chairman and Local Organiser: Bruce Christianson (
Co-Organiser: Shaun Forth (
Administrator: Johanna Hunt (Email:, Fax: +441707284185)
Event record first posted on October 2, 2003, last modified on November 22, 2003

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