6.Numerical Modeling

6.1 Paxis3D

6.1.1 Mudmat

6.1.2. Suction pile

  • Note

    • Benchmark: Edger, Andresen, and Jostad, 2008, “Capacity analysis of suction anchors in clay by Plaxis 3D foundation”

    • Range of mooring line angle at padeye: 15 ~ 45 (API RP 2SK-R2015, Figure E.3)

6.2 Slope Stability

  • Slope 2D

  • Slope 3D

6.3 Python

6.3.1. Groundhog

6.3.2. GeoSohn

6.3 Others

6.3.1. NGI

  • Bifurc: 2D suction pile

  • ChainConfig: Mooring chain configuration

  • AnchorPEN: pile embedment calculation

  • CAP: 2D mudmat

    • Inputs

      • Shear strength

      • V, Hx and My

      • V, Hy and Mx

    • Outputs

      • Safety factor versus Depth

      • Force calculated for critical surface

6.3.2. Fugro

  • AGSPANC: pile capacity analyses

    • Randolph,2020, “A Lifetime of Offshore Geotechnics - Career Reflections and Lessons Learned” has AGSPANC in Fig. 12.

6.3.3.Delmar

  • DEAP: Suction pile by PLE

    • API RP 2SK D.10 5th requirement, PLE may NOT be suitable for LAYERED soil profile.

    • API RP 2SK E., 3.2.3.2 is also skeptical in PLE.

6.3.4 DNV

  • SESAM

    • Fixed structure

    • Floating structure

    • Pipeline