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John Howlett

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Everything posted by John Howlett

  1. There is still time to register for the training course "2D Hydrodynamic Flow & Transport with SMS" March 10-13, 2009 in Orlando, Florida. For more information, see http://www.aquaveo.com/sms_training_orlando. In this hands-on, application oriented training course will provide you with the knowledge and tools necessary to solve 2D hydrodynamic modeling problems quickly and efficiently with the latest version of SMS. The course will teach users how to use SMS visualization tools to illustrate flow fields in 2D also. A series of lessons and tutorials are provided on RMA2 and FESWMS for flow modeling and RMA4 for transport modeling, including how to use the SMS Map module to create numercal models from high-level conceptual model data (GIS objects). SMS can be used to assist the analytical process by automating the mesh generation and editing processes, boundary condition definitions, and mesh renumbering and checking procedures. The course also discusses the conceptual modeling tools provided by SMS for more automation of mesh generation and tools to visualize the flow fields and water surface elevations. The 4-day training course on SMS covers the following: * Learn to use advanced 2D mesh generation tools in the Map Module of SMS. * Learn to use GIS conceptual modeling to define mesh properties, boundary conditions, and material properties. * Learn to perform automated mesh quality-checking to identify problem areas before running a model. * Become comfortable running RMA2 and FESWMS. * Discover tips and procedures for dealing with wetting/drying problems in your hydraulic model. * Understand model verification and stability issues. * Learn to couple sediment transport analysis with 2D hydrodynamic analysis. * Develop knowledge of contaminant transport processes in 2D hydrodynamic modeling. * Learn to create reports with CAD files, contour and vector plots, and film loop animations. * Learn to calibrate your models with observation objects/virtual gages.
  2. This question was submitted to Technical Support via email: My question is regarding the building of layers into an SMS TUFLOW mesh. I have Bathymmetry data and elevation data for the surrounding areas of the river I am studying. However I do not know how to import a shapefile with the necessary material values into SMS 10.0. Any help with this question would be greatly appreciated, Kind Regards, MP
  3. PTM Trap Error

    Lauren, What version of SMS and PTM are you using? An updated version of SMS 10.1 and the PTM model will be posted soon. I believe a problem was fixed recently where the first (x,y) point would be repeated in the trap file so there was one extra point per trap. Until the new version is posted, you may want to check if this is what is causing the problem. - John
  4. How can I stored my field results in the .sol file?

    Let me see if I understand You have a .geo file with linear or quadratic elements You have a .sol file with a value for each node in the .geo file When you read in the .sol file after reading in the .geo file you get an error message saying, "THE SOLUTION FILE DOES NOT MATCH THE MESH" I believe we will need to take a look at your files. Please send them to technical support.
  5. Jose, What is the build date of the version of SMS you are using (See Help | About)? Thank you, John
  6. uncontrolled spillway exit

    Have you tried to represent the structure as part of the mesh? SRH-2D is very stable and I believe you should be able to add the spillway to the mesh. Once the spillway is part of the mesh (and has the proper elevation assigned), the water will only flow over the crest when the water surface elevation exceeds the crest. The boundary conditions you inquired about are described in the manual as follows, but I would try adding the spillway to the mesh. EXIT-H: It is a downstream exit boundary with a subcritical flow. Water surface elevation should be specified at this boundary along with the unit. For a steady state simulation, a real positive value is the input as a constant water surface elevation (therefore, elevation below zero is not allowed in SRH-2D). For an unsteady flow, a negative integer, -n, is the input. The integer, n, refers to the data function specified in the “DATA_FILE_0n” in the Global Parameter setup. If it is a time series function, time(hour) versus elevation(ft or meter) is the input data; if it is a general function, discharge(cfs or cms) versus elevation(ft or meter), the rating curve, is the data. The unit of the data is also specified: 1 for feet and cfs and 2 for meters and cms. EXIT-Q: It is a downstream exit boundary with a known discharge where the water flows out of the domain. The input is the same as INLET-Q: discharge and unit. Caution: at least one EXIT-H is needed for modeling and EXIT-Q is intended only for cases with multiple exits. It is preferable that EXIT-H is the main exit and EXIT-Q is only a secondary exit with a small flow discharge. EXIT-EX: It is a downstream exit boundary where the flow is supercritical. No boundary conditions are needed at such exits, neither discharge nor water surface elevation.
  7. Creating bathymetric set from feature arcs

    Simo, In addition to the tutorial Rusty mentions, there is a brief description of feature stamping on the documentation wiki: http://xmswiki.com/xms/SMS:Feature_Stamping - John
  8. SMS 10.0 / SRH2D Monitoring Line

    Please send your files to Technical Support and I will take a look at them. The previous posts pretty much cover any suggestion I could offer without looking at your files. When you send the files, tell them John Howlett wanted to look at them. Also, for the SRH-2D users out there - We have been working with Yong Lai, the developer of SRH-2D, on changes to SRH-2D that will allow the model to write the model output as XMDF files. This should make post-processing in SMS easier in the future. - John
  9. STWAVE problems with 10.1

    MO, The interpolation issue has been resolved. Any versions of SMS created after 2009-10-30 will no longer have this issue.
  10. Joel et al, This problem has been resolved in the latest version of SMS 10.1.
  11. run adcirc had a problem?

    You may want to send this question to the ADCIRC Listserv, which is monitored by the developers of ADCIRC and other ADCIRC users. Instructions on how to join are posted at the ADCIRC website (http://www.adcirc.org).
  12. ADCIRC outputs for PTM

    Lauren, Unfortunately the model PTM does not have an option to loop or extrapolate hydrodynamic data. Depending on what model your hydrodynamic output is from, it may be possible to manually alter the file to add additional timesteps. - John
  13. Merging Meshes

    You may find the following post helpful: http://aquaveo.invisionzone.com/index.php?showtopic=379 See the PDF posted towards the bottom.
  14. What models in SMS can simulate oil spill on river

    Thread continues at http://aquaveo.invisionzone.com/index.php?showtopic=810
  15. GMS 7.0.2 and Windows 7 64bit Pro

    Thank you for the information. We are working to support Windows 7. I will pass along the information you found to those in charge of building the installation packages.
  16. What models in SMS can simulate oil spill on river

    SMS does not currently have a model for modeling oil spills. Although the RMA4 manual suggests that it can be used for this, RMA4 should not be used to evaluate highly volatile materials such as gasoline, nor materials that do not mix with water, such as oil. See http://www.xmswiki.com/xms/SMS:RMA4 The model PTM can be used for particle tracking, but again, it would provide a crude estimate at best in my opinion. You may want to investigate the NOAA oil response software program GNOME. From the NOAA website: GNOME (General NOAA Operational Modeling Environment) is the oil spill trajectory model used by OR&R Emergency Response Division (ERD) responders during an oil spill. ERD trajectory modelers use GNOME in Diagnostic Mode to set up custom scenarios quickly. In Standard Mode, anyone can use GNOME (with a Location File) to: predict how wind, currents, and other processes might move and spread oil spilled on the water. learn how predicted oil trajectories are affected by inexactness ("uncertainty") in current and wind observations and forecasts. see how spilled oil is predicted to change chemically and physically ("weather") during the time that it remains on the water surface. To use GNOME, you describe a spill scenario by entering information into the program; GNOME then creates and displays an oil spill "movie" showing the predicted trajectory of the oil spilled in your scenario.
  17. ADCIRC outputs for PTM

    Lauren, The ability to create a transient dataset from a steady state dataset is a new feature in SMS 10.1. Unfortunately, SMS 10.0 does not have this functionality.
  18. SMS Release 10.1.0 - September 23, 2009

    A new SMS 10.1 update executable has been posted on the Aquaveo site. There are now two separate installation packages, one for 32 bit and one for 64 bit. The SMS 10.0 password will no longer work with this latest version of SMS 10.1. You can select the evaluation password option in the register dialog to get started. You will need to contact sales to receive a permanent password. Sales Contact Information email: sales@aquaveo.com phone: (801) 302-1400 fax: (801) 302-1160 64 Bit Version of SMS: http://www.aquaveo.com/f.php5?s=sms&v=10.1&p=full64 32 Bit Version of SMS: http://www.aquaveo.com/f.php5?s=sms&v=10.1&p=full32
  19. SMS Release 10.1.0 - September 23, 2009

    Mark, I'm glad you were able to resolve the .cst issue. If the need does arise to revisit an earlier version of SMS, sales / tech support is aware of the issue and should be able to work with you to find a solution.
  20. ADCIRC outputs for PTM

    A couple of questions: Are you using SMS 10.1? Which module is the data in?
  21. SMS Release 10.1.0 - September 23, 2009

    Hardware locks are currently tied to a specific version of SMS. That is - a SMS 10.0 hardware lock will not work with SMS 10.1 and vice versa. We are considering alternatives (for the future) that would allow hardware locks to span multiple versions. Please do describe the *.cst file problem in a separate post. - John
  22. FESWMS Tips

    If you are having problems getting your FESWMS model to run, you may want to consider trying the following: Transform your mesh so it is close to the origin (0,0). For some reason if the x and y coordinates are large and mesh element sizes are small, FESWMS can have problems. Try using the Steering Tool Make sure your mesh does not have incorrect elevation values (often due to extrapolation). Try looking at the mesh in a rotated view. Verify that wetting / drying is turned on in the FESWMS model control Is the problem a known issue with the version of FESWMS you are using? Keywords: ds=0, ds = 0, convergence, error
  23. GMS Hanging in Windows 7

    System requirements are posted at http://xmswiki.com/xms/SMS:System_Requirements. We are currently working to support the newly released Windows 7 operating system in new versions of our software.
  24. ADCIRC outputs for PTM

    To interpolate vectors: In the Dataset toolbox, split the vector into two scalar quantities (Vx and Vy or Magnitude and Direction) Interpolate the two scalar datasets to the mesh In the Dataset toolbox, recombine the two scalar quantities into a vector
  25. LTEA Gridding

    Abhi, With the release of SMS v10.0, Aquaveo switched to a maintenance model for this and future versions of SMS. You will no longer have to pay upgrade fees for each new version; rather, you will automatically receive future versions through your annual maintenance fee of 15% for each SMS license. Your annual maintenace will also include intermediate updates and technical support. If you currently have SMS v9.0 or higher licenses, you only need to keep your maintenance current in order to upgrade to version v10.1. If you currently have older versions of SMS, you will first have to upgrade your license to SMS v9.2 at current upgrade fees, then pay the 15% annual maintenance fee. If you are not current on maintenance for v10.0, you will need to bring your maintenance up to date for v10.1. Annual Maintenance - 15% of version 10.1 pricing for your license - Call for quote. 801-302-1400 See http://www.aquaveo.com/sms-pricing
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