source: inundation-numpy-branch/wiki/ANU meeting 27072005.txt @ 3031

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Migration of requirements and planning

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1ALL HAS BEEN MOVED TO ANUGA DOCUMENTATION - DONT EDIT
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4AnuGA planning meeting 27 July 2005
5-----------------------------------
6
7
8Present:
9From ANU: Stephen, Matt, Linda
10From GA:  Ole, Andrew
11
12
131: Parallelisation of pyvolution
14
15The current contract is essentially completed.
16However, a few remaining loose ends will be given some further
17attention over the next months. They are
18
19- fluxes in ghostcells should not affect timestep computation.
20- a function for re-assembling model output should be made available
21   
22   
23Ideas for a second contract include:
24
25- scoping of methodologies for automatic domain decomposition
26- implementation of automatic domain decomposition
27  (using C extensions for maximal sequential performance in order to minimise
28  performance penalties due to Amdahl's law)
29- in depth testing and tuning of parallel performane. This may require
30  adding wrappers for non-blocking MPI communication to pypar if needed.   
31- ability to read in precomputed sub-domains. Perhaps using caching.py 
32
33We will iterate on these ideas and arrive at a mutually beneficial
34contract to be carried out in early 2006
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36
37
382: Validation of pyvolution
39
40Laboratory Data:
41Benchmark data from wave tank experiments were deemed suitable for
42initial validation exercises and we should proceed with these
43immediately using the existing acquired datasets.  In addition, data
44from vertical wall run-ups will be relevant.  Andrew's letter to key
45players regarding other existing laboratory datasets is deemed
46extremely valuable and should go ahead.
47
48
49Historical Data:
50Andrew has contacted relevant organisations regarding sources and
51availability of existing post-tsunami field survey data.  We agreed
52that a scenario from e.g. Banda Aceh or Thailand (Phuket)
53demonstrating the detailed effect of bathymetric variations would be
54an ideal study and could form the basis of a scientific paper. Matt is
55considering whether this would fit into his research priorities.
56 
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58Other:
59Validation against analytical solutions is well under way and
60is considered an integral component of the validation process.
61The same is true for the Lake Merimbula tidal validation project.
62Stephen and Chris are looking after these.
63
64
65Contacts:
66
67Ole will take contact with Lex Nielsen from SMEC in order to explore
68how they can get involved
69
70We will also establish a closer relationship with Lutz fram ACcESS
71
72Andrew to contact key researchers/organisation to enquire about and
73potentially acquire further laboratory and field survey datasets.
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77
783: Other collaborations
79
80Ole to investigate if GA would fund a PhD student: Project could be
81"Algorithms for augmentation of unstructured grids" or "Algorithms for
82unification of geodesic systems in unstructured grids" the latter
83capturing the notion of being able to model the synoptic, deep water
84wave propagation in latitudes and longitudes with a seemless connection
85to detailed modelling using UTM projections.
86A PhD scholarship is worth about $20K per annum.
87
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89
904 Long term aim
91
92We agreed that having a detailed, reproducible and validated
93inundation scenario from the Boxing Day Tsunami running in parallel
94(and being faster than the sequential code) would be a worthwhile goal.   
95
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