• Offshore Learning Resources

    Rafael Lara
    Rafael Lara
    SACS SACS is an integrated finite element structural analysis package of applications that uniquely provides for the design of offshore structures, including oil and gas platforms, wind farms, and topsides of FPSOs and floating platforms. SACS software…
    • 10 months ago
    • MAXSURF | MOSES | SACS | OpenWindPower
    • MAXSURF | MOSES | SACS | OpenWindPower - Wiki
  • Coordinate system for reports in Structural Post Processing menu

    Georgina Maldonado-Aguirre
    Georgina Maldonado-Aguirre
    EARLIER Q: What coordinate system is used for the reports in the Structural Post Processing menu? REV 7.05 A: The reports in the Structural Post Processing menu are reported in the beam coordinate system. You can ask MOSES to tell you what this system…
    • 6 months ago
    • MAXSURF | MOSES | SACS | OpenWindPower
    • MAXSURF | MOSES | SACS | OpenWindPower - Wiki
  • Difference between hydrostatic and structural bending moments and shears

    Jason Forcier
    Jason Forcier
    Q: I have a rectangular barge modeled as a line of beams with a uniform load distribution. Why are the structural bending moments and shears not what I get from statics? REV 7.00 A: The difference is the way the loads are applied. The weight is divided…
    • over 7 years ago
    • MAXSURF | MOSES | SACS | OpenWindPower
    • MAXSURF | MOSES | SACS | OpenWindPower - Wiki
  • *** FATAL ERROR: Nodes Are Not Connected to Rest” message

    Jason Forcier
    Jason Forcier
    Q: What does the message *** FATAL ERROR: Nodes Are Not Connected to Rest mean? REV 7.00 A: It means that you are trying to analyze at least two, independent structures. In MOSES the subset of the model you are trying to solve must be connected. This…
    • over 7 years ago
    • MAXSURF | MOSES | SACS | OpenWindPower
    • MAXSURF | MOSES | SACS | OpenWindPower - Wiki
  • "*** WARNING: Fixing Zero On Diagonal Of Stiffness At *X.XXX" message

    Jason Forcier
    Jason Forcier
    Q: What does the message "*** WARNING: Fixing Zero On Diagonal Of Stiffness At *X.XXX" mean? REV 7.00 A: There is a zero on the diagonal of the stiffness matrix at the specified node, and MOSES is adding a large spring at that degree of freedom.
    • over 7 years ago
    • MAXSURF | MOSES | SACS | OpenWindPower
    • MAXSURF | MOSES | SACS | OpenWindPower - Wiki
  • "*** WARNING: xxx Sig. Figures Lost At *X.XXX" message

    Jason Forcier
    Jason Forcier
    Q: What does the message "*** WARNING: xxx Sig. Figures Lost At *X.XXX" mean? REV 7.00 A: This is an indication of problems with the model, related to relative stiffness at the referenced node. By looking at all the elements that frame into this node…
    • over 7 years ago
    • MAXSURF | MOSES | SACS | OpenWindPower
    • MAXSURF | MOSES | SACS | OpenWindPower - Wiki
  • *** ERROR: Singularity In Stiffness At *X.XXX" message

    Jason Forcier
    Jason Forcier
    Q: What does the message *** ERROR: Singularity In Stiffness At *X.XXX" mean? REV 7.00 A: This means there is a problem with the model you used for the structural analysis. In particular, it is reporting a singularity in the stiffness matrix at the…
    • over 7 years ago
    • MAXSURF | MOSES | SACS | OpenWindPower
    • MAXSURF | MOSES | SACS | OpenWindPower - Wiki
  • Structural Analysis

    Daniel Veen
    Daniel Veen
    This is where the frequently asked questions about the MOSES structural analysis are located.
    • over 2 years ago
    • MAXSURF | MOSES | SACS | OpenWindPower
    • MAXSURF | MOSES | SACS | OpenWindPower - Wiki