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  1. FB6917

    Ansys WB meshing imported assembly

    Hi everyone, I'm new to Ansys WB. I have to do a quick strength check on the attached assembly which has been imported from AutoCAD. Could you please provide me with some tips regarding meshing? what would be the quickest and most convenient way to mesh this assembly? Do I need to define any...
  2. FB6917

    Charpy impact value for structural steel in general

    Hi, I have a question regarding the toughness/charpy impact of structural steel in general. Does any structural steel plate/open section under mass production in different locations in the world with very different temperature range has Charpy impact value at 20 degree Celsius? If yes, is...
  3. FB6917

    Charpy impact value

    Hi, I have a question regarding the toughness/charpy impact of structural steel in general. Does any structural steel plate/open section under mass production in different locations in the world with very different temperature range has Charpy impact value at 20 degree Celsius? If yes, is this...
  4. FB6917

    Weld neck flange ASME B16.5 failure

    All, I'm checking the capacity of the ASME WN Flange #900 for 24" offshore pipeline. I'm checking it for the external loads (installation loads - axial force and bending) as per Kellogg's method. I don't have any internal pressure as this is installation case not operation. I know that #900...
  5. FB6917

    Subsea pipeline installation aid - Yoke Design

    Ussuri I appreciate your time and advice.I reached to the same point that I need to talk with the experienced colleague.Our company is S-laying contractor.For your infromation,in chapter 20 of "Subsea Engineering Handbook" by Yong Bai,you can find useful information regarding yoke for PLET...
  6. FB6917

    Subsea pipeline installation aid - Yoke Design

    Yoke is being used to prevent pipe from rotating so that inline structurs(ILT)is upright.Yoke is attached to the pipe by clamp and restraining wire.Large buoy is fixed at the end of yoke and goes down to the sea bed. What needs to be considered in structural design of the yoke and it's...
  7. FB6917

    Subsea pipeline installation aid - Yoke Design

    Hi All, Does anyone can provide me with some information or perhaps a typical example of yoke design as installation aid for the subsea pipeline vessels? Any references?How does a yoke work and what are the important items in structural design which needs to be considered? Thanks
  8. FB6917

    Design code for high strength steel

    Hi guys I want to design a pin with Atlas grade 4140 material;yield strength of 740MPa and tensile strength of 930MPa preferably with Australian code. Does anyone know which Australian standard covers the structural design of this grade of steel?AS4100 covers yield strength till 450MPa...
  9. FB6917

    AISC-ASD Steel Grade Coverage

    Hi guys, I have to design a pin made of ASTM A320 L7 with yield strength of 105ksi (725 MPa).Does anyone know if AISC-ASD code will cover steel design for this grade too?Is there any limitation in steel grade for structural steel design in AISC ASD method? I need a reference to show to the...
  10. FB6917

    Structural Engineer role in subsea pipeline installation company

    Thanks Arlequin. Can you explain a bit more about the below: "I tend to avoid moment restraint for the supports as find it difficult to justify. And get used to springs (and selecting their right stiffness!)" I assume you design the structure as pin-ended but how do you choose the right value...
  11. FB6917

    Structural Engineer role in subsea pipeline installation company

    Hi everyone, This is my very first post in this wondeful forum.So,please let me know if I've made any mistakes or breached any rules! After couple of years working in Oil/Gas industry (onshore),I've made my big move to offshore industry and got a job offer from one of the famous subsea pipeline...

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