Model:GPM

From CSDMS
Revision as of 10:20, 17 September 2009 by WikiSysop (talk | contribs)

Contact

Name Daniel Tetzlaff
Type of contact Technical contact
Institute / Organization Schlumberger
Postal address 1 5599 San Felipe Ave.
Postal address 2 suite 1700
Town / City Houston
Postal code 77063
State Texas
Country USA"USA" is not in the list (Afghanistan, Albania, Algeria, Andorra, Angola, Antigua and Barbuda, Argentina, Armenia, Australia, Austria, ...) of allowed values for the "Country" property.
Email address dtetzlaff@slb.com
Phone 713-513-2182
Fax



GPM


Metadata

Summary

Also known as
Model type Single
Model part of larger framework
Note on status model
Date note status model

Technical specs

Supported platforms
Windows
Other platform
Programming language

C++

Other program language
Code optimized
Multiple processors implemented
Nr of distributed processors
Nr of shared processors
Start year development 2001
Does model development still take place? No
If above answer is no, provide end year model development 2006
Code development status
When did you indicate the 'code development status'?
Model availability
Source code availability
(Or provide future intension)
Source web address
Source csdms web address
Program license type Other
Program license type other --
Memory requirements 2GB
Typical run time 20 minutes


In/Output

Describe input parameters Initial topography.

Initial subsurface layering, if any. Properties of existing rocks/sediments. Sea-level change curve. Sources of flow and sediment, sources of wave action, boundary conditions Externally imposed vertical tectonics as a function of horizontal position and time

Input format ASCII
Other input format
Describe output parameters Free-surface flow and wave action through time.

Erosion and deposition through time. Optionally, compaction, including porosity reduction.

Output format ASCII
Other output format
Pre-processing software needed? No
Describe pre-processing software
Post-processing software needed? No
Describe post-processing software (Post processing not needed, but important for visualization and data conversion).
Visualization software needed? Yes
If above answer is yes
Other visualization software Proprietary


Process

Describe processes represented by the model Free-surface flow including wave action

Clastic erosion, transport, deposition Compaction (load-based, vertical porous flow, full 3D porous flow) Rudimentary carbonate growth

Describe key physical parameters and equations Shallow-water equations for fluid flow

Separate equations for wave propagation Shield's criterion and transport capacity criterion for clastic transport (similar to SEDSIM) Sigle-phase flow in porous media for vertical and 3D compaction options.

Describe length scale and resolution constraints From a few hundred m to a few hundred Km
Describe time scale and resolution constraints From seconds to about 100,000 years.
Describe any numerical limitations and issues Can be very slow in complex systems.


Testing

Describe available calibration data sets None available
Upload calibration data sets if available:
Describe available test data sets None available
Upload test data sets if available:
Describe ideal data for testing Laboratory and field data of free-surface flow and clastic transport rates.


Other

Do you have current or future plans for collaborating with other researchers? I am interested in collaboration, but it may be difficult due to proprietary restrictions.
Is there a manual available? No
Upload manual if available:
Model website if any
Model forum / discussion board
Comments This model is unlikely to become available in any form other than snapshots of output. It is provided for reference.


GPM

Introduction

History

Papers

GPM Questionnaire

Contact Information

Model: Geologic Process Modeler (GPM)
Contact person: Daniel Tetzlaff
Institute: Schlumberger
City: Houston, TX
Country: USA
Email: dtetzlaff@slb.com
2nd person involved: --
3rd person involved: --

Model description

Model type: Single model for the terrestrial, coastal and marine domain.
Description: Another derivative of the original SEDSIM, completely rewritten from scratch. It uses finite differences (in addition to the original particle-cell method) to speed up steady flow calculations. It also incorporates compaction algorithms. A general description has been published.

Technical information

Supported platforms: Windows
Programming language: C_plus
Model was developed started from: 2001 and was finished in 2006
To what degree will the model become available: Not
Current license type: --
Memory requirements: 2GB
Typical run time: 20 minutes

Input / Output description

Input parameters: Initial topography.

Initial subsurface layering, if any.
Properties of existing rocks/sediments.
Sea-level change curve.
Sources of flow and sediment, sources of wave action, boundary conditions Externally imposed vertical tectonics as a function of horizontal position and time

Input format: ASCII
Output parameters: Free-surface flow and wave action through time.

Erosion and deposition through time.
Optionally, compaction, including porosity reduction.

Output format: ASCII
Post-processing software (if needed): no (Post processing not needed, but important for visualization and data conversion).
Visualization software (if needed): yes, Proprietary

Process description

Processes represented by model: Free-surface flow including wave action

Clastic erosion, transport, deposition
Compaction (load-based, vertical porous flow, full 3D porous flow)
Rudimentary carbonate growth

Key physical parameters & equations: Shallow-water equations for fluid flow
Separate equations for wave propagation
Shield's criterion and transport capacity criterion for clastic transport (similar to SEDSIM)
Sigle-phase flow in porous media for vertical and 3D compaction options.
Length scale & resolution constraints: From a few hundred m to a few hundred Km
Time scale & resolution constraints: From seconds to about 100,000 years.
Numerical limitations and issues : Can be very slow in complex systems.

Testing

Available calibration data sets: None available
Available test data sets: None available
Ideal data for testing: Laboratory and field data of free-surface flow and clastic transport rates.

User groups

Currently or plans for collaborating with: I am interested in collaboration, but it may be difficult due to proprietary restrictions.

Documentation

Key papers of the model: Tetzlaff, D.M., and Schafmeister, M.-T., 2007, Interaction among sedimentation, compaction, and groundwater flow in coastal settings, /in /Harff, J., Hay, W.W.
Tetzlaff, D.M., eds., Coastline Changes: Interrelation of Climate and Geological Processes: Geological Society of America Special Paper 426, p. 65–87.
Is there a manual available: --
Model website if any: --

Additional comments

Comments: This model is unlikely to become available in any form other than snapshots of output. It is provided for reference.

Issues

Help

Input Files

Output Files

Download

Source