Browse By Tags

  • *** WARNING Theta(Deg) VALUE OF 29.99 IS OUT OF VALIDITY RANGE FOR COMMON JOINT 199 - CHORD JOINT 425 - BRACE JOINT 126

    Dear SACS users, I got a warning during analysis which are: *** WARNING: REDESIGN STOPS FOR INVALID GEOMETRY - BETA - OF COMMON JOINT 1138 - CHORD JOINT 1139 - BRACE JOINT 940 *** WARNING Theta(Deg) VALUE OF 29.99 IS OUT OF VALIDITY RANGE FOR…
  • TIME HISTORY FATIGUE ANALYSIS IN SACS

    Hi, I would like to perform time history fatigue analysis. Is there any sample or procedure on how to perform the analysis in SACS? in case yes, please feel free to send it to my email. ( ali_aidibi_94@hotmail.com ) Many thanks in advance. Best…
  • Inconsistency results for member end forces and Fixed Joint Reaction

    Dear all, kindly please your advice and enlighten regarding this issue. I tried to run Static Analysis in SACS consists of Gravity Loads, Environmental Loads, and Inertia Loads on FPSO Module. unfortunately, I found some strange results for the…
  • psi input error - error system

    hi can you help with this error in static analysis with psi input thank you!
  • Illegal Joint Error in SACS

    Hi Geoff, I just did a static run for topside module with dummy members to account stool stiffness and introduced joint fixity of 222000 on primary joints. However, the analysis stop due to error on illegal joints everywhere. sacinp.LAG1_10252022…
  • Push Over Analysis

    Hi, I would like to know if there is a failure pattern called "Domino failure" in Push Over Analysis from which we can identify which member/joint failed first and then failures of member/joint connected to first member/joint in sequence ?
  • SACS - Offset / Masterslave / Dummy

    Dear All, I am trying to model a beam resting over another. I have couple of option i can utilize but not certain which will be more realistic and recommended 1. Provide offset to raise beam to rest over other. 2. Provide new point over in Z- direction…
  • PSI Convergence for Lateral Loaded Sction Piles

    Is there any limitations regarding OD/Length ratio for the PSI convergence? I'm experiencing a problem and cannot figure why for the exactly same soil data, with 25m of length, a OD = 3851mm pile converges and the other with OD = 5000 mm does not…
  • error 'the following card not recognized' (static ship impact analysis)

    Dear Sir or Madam, I would like to ask some problem that I encounter when I use SACS 5.7 I am performing Ship I mpact analysis (Static) on a wellhead fixed platform based on the practice workbook provided by Bentley. When I start running the analysis…
  • SACS SIG Virtual Workshop: Bentley Offshore - September 13

    Make plans to join Bentley's Geoff McDonald for the next Bentley Offshore Special Interest Group (SIG) virtual workshop on Wednesday, September 13, 2017 at 10 a.m. EDT. The topic will be Decommissioning with Precede . Click here to register! Geoff has…
  • SACS Tech Talk: Fatigue Analysis of Offshore Structures

    Join Parvinder Jhita, Senior Product Manager, for a presentation on determining the cumulative fatigue effects on offshore structures with SACS. Key Points: Fatigue analysis capabilities in SACS Deterministic, spectral and time history fatigue…
  • Analysis & Modelling Pad Eye

    Hi all, could sacs modelling pad eye?? pls do share if you have refrnces. any input is much appreciated.Thanks a lot
  • Offshore Structural Analysis

    Is it possible to define a sling/ rope with pretension inside SACS?
  • Fatigue calculations

    Hello friends, I'm an internship in a Offshore Oil and Gas service and supply company and I started working with SACS recently. I have a question concerning fatigue analysis: What are the steps to follows to do a time history fatigue analysis knowing…
  • Change Default Axis in SACS

    Is there a way to change the axis in SACS to Y-vertical?
  • Dynamic nonlinear analysis,Dynamic pushover analysis, dynamic collpase analysis

    Can we do Dynamic nonlinear analysis/ dynamic pushover anlysis/ dynamic solllapse analysis in SACS???
  • RE: master/slave DOF

    I found there is an push pull force at the base with master slave in staad. But in sacs I am not getting the push pull force for the same configuration.
  • Can I know what turning "Include Shear Effects" ON or OFF does in SACS?

    It is in one of the settings in Analysis Options. In my case, the utilizations in beams are changed drastically when I change the option from ON to OFF or vice versa. Which is the correct setting to use?
  • Towing a JAcket

    I have A special Case.- A Jacket being towed into position.I Used Floatation to arrive at the Bouyancy requirements but I am not sure how to check the Tow resistance and sling forces if the Jacket is to be towed into position.Can anyone help me how to…
  • Flotation and Upending Analysis Using SACS

    Dear sir, I’m new student who is learn about flotation and upending analysis using SACS from Bentley. In my analysis, I got too much error when using this software. The bottom of jacket always touches the mudline when the hook elevate upward. When I decrease…
  • SACS - Upright Hydrostatics, How to input wind area of cargo on the barge?

    Dear all experts, I have practiced to use SACS Marine Enterprise and I run "Upright Hydrostatics" of pontoon barge which comprises topside, jacket, and the other object. Cargo is an SACS model file that import to stability. Then, it is located on the…
  • Calculation of the overall buckling length in segmented members.

    Hi everybody, I still don´t get any response to this request, I believe that the answers do not come on this forum soon, I hope to receive a reply from you soon...I´m ten days waiting a response. Thanks. regards. In the detailed results of a segmented…
  • Re - calculation of the overall buckling length in segmented members.

    In the detailed results of a segmented Member, SACS indicates that the overall buckling length for segmented members is recalculated according to the buckling load of that segment. Can anyone show me a solved manually example, showing the way in which…
  • SACS v5.3 fatigue analysis (warnings questions)

    Hi. I have been trying to make a fatigue analysis and I have some problems with the results of the analysis. First, when I make the dynamic analysis to extract modes and shapes, the result gives me a warning of no unity check option selected. what does…