• Export Stability Model to V20

    Aleksandra Roslon
    Aleksandra Roslon
    Product(s): MAXSURF Stability Version(s): 23.06.00.137 Area: Export Problem I've got two boat stability models that I want to have exported to v20, so as to provide these to a different organization that has specifically…
    • 13 days ago
    • MAXSURF | MOSES | SACS | OpenWindPower
    • MAXSURF | MOSES | SACS | OpenWindPower - Wiki
  • Multiple bodies error

    Spiro Pahos
    Spiro Pahos
    Q: What does the message *** FATAL ERROR: Cannot Reduce Model For Multiple Bodies mean? A: Check for any redundant &DESCRIBE BODY commands that might be in place.
    • over 3 years ago
    • MAXSURF | MOSES | SACS | OpenWindPower
    • MAXSURF | MOSES | SACS | OpenWindPower - Wiki
  • Model of the BALDER have #TUBEs added for viscous damping

    Jason Forcier
    Jason Forcier
    Q: Why does the model of the BALDER have #TUBEs added for viscous damping when your answer to a FAQ says to use -CS_CURR 1 1 1? REV 7.04 A: The #TUBEs are included in the model so that we can show the effects of using them. See Section XIII of the verification…
    • over 7 years ago
    • MAXSURF | MOSES | SACS | OpenWindPower
    • MAXSURF | MOSES | SACS | OpenWindPower - Wiki
  • Connect a model in the time domain so connections will not affect the motions

    Jason Forcier
    Jason Forcier
    Q: How would you connect a model in the time domain so that the connections will not affect the motions? REV 7.03 A: I have had good results using four lines at 45, 135, -135, and -45 degrees. Make these line 25mm in diameter and 1000 m long. Finally…
    • over 7 years ago
    • MAXSURF | MOSES | SACS | OpenWindPower
    • MAXSURF | MOSES | SACS | OpenWindPower - Wiki
  • simple way to correct tructural model of a topside converted from SACS to MOSES format with ZCG which is too low

    Jason Forcier
    Jason Forcier
    Q: I have a structural model of a topside converted from SACS to MOSES format with ZCG which is too low. Is there a simple way to correct this? REV 6.01 A: This is a common problem. Since the equipment weights for the topsides are applied at the deck…
    • over 7 years ago
    • MAXSURF | MOSES | SACS | OpenWindPower
    • MAXSURF | MOSES | SACS | OpenWindPower - Wiki
  • Errors when reading results of converted SACS model that included AREA and WEIGHT cards

    Jason Forcier
    Jason Forcier
    Q: I converted a SACS model that included AREA and WEIGHT cards. When I read the resulting model into MOSES, I get errors, why is this? REV 5.10 A: We convert the AREA card from page 2-4-9 of Volume I of the SACS manual. You are using the AREA card…
    • over 7 years ago
    • MAXSURF | MOSES | SACS | OpenWindPower
    • MAXSURF | MOSES | SACS | OpenWindPower - Wiki
  • Strange error messages when trying to convert a SACS model

    Jason Forcier
    Jason Forcier
    Q: I get strange error messages when trying to convert a SACS model. The files I used worked before, only the SACS model is different. Why is this? REV 5.10 A: Your SACS model has more commands after the first END command in the file. While these may…
    • over 7 years ago
    • MAXSURF | MOSES | SACS | OpenWindPower
    • MAXSURF | MOSES | SACS | OpenWindPower - Wiki
  • Class ~HO|1 result when converted a SACS model

    Jason Forcier
    Jason Forcier
    Q: I converted a SACS model and when I looked at the result I found a class ~HO|1. Where does this come from? REV 7.05 A: MOSES converts the ring stiffeners in the SACS model. To do this, there must be a class for the ring. The class ~HO|1 is the class…
    • over 7 years ago
    • MAXSURF | MOSES | SACS | OpenWindPower
    • MAXSURF | MOSES | SACS | OpenWindPower - Wiki
  • Simulating a problem at model test tank scale

    Jason Forcier
    Jason Forcier
    Q: Can MOSES simulate a problem at model test tank scale? REV 5.03 A: No. There are several constants and factors embedded in the software that come from real size problems.
    • over 7 years ago
    • MAXSURF | MOSES | SACS | OpenWindPower
    • MAXSURF | MOSES | SACS | OpenWindPower - Wiki
  • Converting a strip theory model to a three dimensional diffraction

    Jason Forcier
    Jason Forcier
    Q: How can I convert a strip theory model to a three dimensional diffraction one? REV 5.05 A: Normally, this is easy. You need only to change: PGEN -DIFTYPE STRIP to PGEN -DIFTYPE 3DDIF In some cases, there will be no -DIFTYPE option. Here,…
    • over 7 years ago
    • MAXSURF | MOSES | SACS | OpenWindPower
    • MAXSURF | MOSES | SACS | OpenWindPower - Wiki
  • Modeling riser stiffness

    Jason Forcier
    Jason Forcier
    Q: How can I model riser stiffness? REV 7.00 A: If you are only interested in stiffness, then a H_CAT or B_CAT will give a good approximation to the stiffness of a riser. You can, however, use a rod element. This accounts for the stiffness correctly…
    • over 7 years ago
    • MAXSURF | MOSES | SACS | OpenWindPower
    • MAXSURF | MOSES | SACS | OpenWindPower - Wiki