Changeset 3024 for production


Ignore:
Timestamp:
May 30, 2006, 5:20:18 PM (19 years ago)
Author:
sexton
Message:

some more words

Location:
production
Files:
9 edited

Legend:

Unmodified
Added
Removed
  • production/onslow_2006/plot_data_extent.py

    r3015 r3024  
    66from utilities.polygon import inside_polygon
    77import project
    8 from utilities.polygon import plot_polygons, poly_xy
     8from utilities.polygon import plot_polygons, poly_xy, polygon_area
    99
    1010datadir = project.datadir
    1111ion()
     12
     13print 'Area of overall polygon: ', polygon_area(project.polyAll)
    1214
    1315plot_data = False
  • production/onslow_2006/report/computational_setup.tex

    r3015 r3024  
    99boundary of the study area is placed approximately around the 100m contour
    1010line.
    11 The resultant computational mesh is then seen in figure \ref{fig:mesh_onslow}.
     11The resultant computational mesh is then seen in figure \ref{fig:mesh_onslow}
     12which has an area of around 6300 km$^2$.
    1213
    1314\begin{figure}[hbt]
     
    4748zone and estuaries.
    4849
    49 Whilst friction has been incorporated into the model, we have implemented it here.
     50Whilst friction has been incorporated into the model, we have not
     51implemented it here.
    5052We have an outstanding issue with regard how friction is
    5153modelled which is not yet resolved.
  • production/onslow_2006/report/damage.tex

    r3017 r3024  
    99about buildings, people, infrastructure, structure value and building contents.
    1010It is important to note here that the NBED contains information about
    11 residential structures only.
     11residential structures only. From this database, we find that there
     12are 325 residential structures and a population of approximately 770
     13in Onslow \footnote{Population is determined by census data and an ABS housing survey).
    1214
    1315Once the maximum inundation is calculated for each building, the resultant
  • production/onslow_2006/report/data.tex

    r2950 r3024  
    4343The extent of the
    4444data used for the tsunami impact modelling can be seen in the
    45 following figure.
     45following figure. The study area covers approximately 100km of coastline
     46and extends offshore to the 100m contour line and inshore to approximately 10m
     47elevation.
    4648
    4749\begin{figure}[hbt]
  • production/onslow_2006/report/introduction.tex

    r3016 r3024  
    1414risk to the tsunami threat. The methods, assumptions and results of a
    1515single tsunami source scenario is described for the Onslow area in the
    16 North West shelf region. The return
    17 period of this particular scenario is unknown, however it
     16North West shelf region.
     17Onslow has a population of around 800
     18is part of the Shire of Ashburton in the Pilbara region of Western Autralia
     19\footnote{http://www.pdc.wa.gov.au/region/political.htm}. Onslow supports
     20a variety of industries, including oil, gas, mining, cattle, fishing and tourism.
     21
     22The return period of this particular scenario is unknown, however it
    1823can be be classed as a plausible event. Future studies
    1924will present a series of scenarios for a range of return events to
    2025assist FESA in developing appropriate plans for a range of event impacts.
    21 
    2226The software tool, ANUGA, has been used to develop the inundation extent
    2327and associated water height at various points in space and time.
  • production/pt_hedland_2006/report/computational_setup.tex

    r3015 r3024  
    77of the refinement is based around the important inter-tidal zones and
    88other important features such as islands and rivers.
    9 The resultant computational mesh is then seen in \ref{fig:mesh_onslow}.
     9The resultant computational mesh is then seen in \ref{fig:mesh_onslow}
     10which has an area of around ? km$^2$.
    1011In contrast to the Onslow study, the most northern
    1112boundary of the study area is placed approximately around the 50m contour
     
    1415100m contour for the Onslow study is approximately 100km from the coast,
    1516with that distance approximately 200km for Pt Hedland. The increased
    16 study area then increases the number of triangles, thereby increasing
    17 the computational time. However, initial comparisons between the deep water
    18 model MOST (Method of
     17study area (from 6300 km$^2 for Onslow to 24400 km$^2 for Pt Hedland)
     18then increases the number of triangles, thereby increasing
     19the computational time. It would be possible to increase the cell resolution
     20to minimise the number of triangles, however, the cell resolution would have
     21to be raised to an unacceptable level.
     22However, initial comparisons between the deep water model MOST (Method of
    1923Splitting Tsunami) and ANUGA show that they are reasonably well matched
    2024to the 50m contour line. More detailed investigations are necessary to
     
    5559zone and estuaries.
    5660
    57 Whilst friction has been incorporated into the model, we have implemented it here.
     61Whilst friction has been incorporated into the model, we have not
     62implemented it here.
    5863We have an outstanding issue with regard how friction is
    5964modelled which is not yet resolved.
  • production/pt_hedland_2006/report/damage.tex

    r3017 r3024  
    99about buildings, people, infrastructure, structure value and building contents.
    1010It is important to note here that the NBED contains information about
    11 residential structures only.
     11residential structures only. From this database, we find that there
     12are 13425 residential structures and a population of approximately 41850
     13in Pt Hedland \footnote{Population is determined by census data and an
     14ABS housing survey).
    1215
    1316Once the maximum inundation is calculated for each building, the resultant
  • production/pt_hedland_2006/report/data.tex

    r2950 r3024  
    4848The extent of the
    4949data used for the tsunami impact modelling can be seen in the
    50 following figure.
     50following figure. The study area covers approximately 100km of coastline
     51and extends offshore to the 100m contour line and inshore to approximately 10m
     52elevation.
    5153
    5254
  • production/pt_hedland_2006/report/introduction.tex

    r3015 r3024  
    1414risk to the tsunami threat. The methods, assumptions and results of a
    1515single tsunami source scenario is described for the Pt Hedland area in the
    16 North West shelf region. The return
     16North West shelf region.
     17Pt Hedland has a population of around 42000 (including South Hedland) and
     18is part of the Pilbara region of Western Autralia
     19\footnote{http://www.porthedland.wa.gov.au/}. Pt Hedland itself has a
     20population of around 15000 and supports
     21a variety of industries, including iron ore export, salt, tourism,
     22pastoral and light industrial.
     23
     24The return
    1725period of this particular scenario is unknown, however it
    1826can be be classed as a plausible event. Future studies
    1927will present a series of scenarios for a range of return events to
    2028assist FESA in developing appropriate plans for a range of event impacts.
    21 
    2229The software tool, ANUGA, has been used to develop the inundation extent
    2330and associated water height at various points in space and time.
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