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IDEA Steel connections presentation 2016

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IDEA StatiCa Steel Connections v6.3
Introductie in onze IDEA rekensoftware voor
Staalverbindingen en CBFEM
Jo Gijbels
IDEA...
3
This is David, a structural engineer…
4
Can David design these?

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IDEA Steel connections presentation 2016

Presentatie IDEA Staalverbindingen van het introseminar in Genk en Kortrijk in mei 2016. Deze presentatie geeft een overzicht van de CBFEM en EC3 methodes alsook onze BIM links worden besproken.

Presentatie IDEA Staalverbindingen van het introseminar in Genk en Kortrijk in mei 2016. Deze presentatie geeft een overzicht van de CBFEM en EC3 methodes alsook onze BIM links worden besproken.

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IDEA Steel connections presentation 2016

  1. 1. IDEA StatiCa Steel Connections v6.3 Introductie in onze IDEA rekensoftware voor Staalverbindingen en CBFEM Jo Gijbels IDEA België www.idea-rs.be www.staalverbindingen.be info@idea-rs.be Introductie Seminar 24/25 mei 2016 C-mine Genk / D-Hotel Kortrijk Introductie IDEA Steel Connections & CBFEM
  2. 2. 3 This is David, a structural engineer…
  3. 3. 4 Can David design these?
  4. 4. What is the problem? Connection designed, laboriously. What if topology changes a little bit? Start over from scratch… 5 David did not find a verified example like this Can David put together an advanced FEA model? Can David do code-checks with FEA results? No Connection cannot be designed A new approach is needed Yes Yes No
  5. 5. IDEA Connect 6 Resulteert in CB-EEM: + snelle invoer én + ‘onbeperkte’ mogelijkheden geometrie verbinding Unieke & gepatenteerde oplossing voor modelsamenstellingen Traditionele EC3 Componenten methode: + snel in te voeren en te rekenen - beperkt in type verbindingen Eindige Elementen Berekening + ‘onbeperkt’ in types verbindingen - tijds- en arbeidsintensief
  6. 6. 7 David meets IDEA RS IDEA RS based in Brno, Czech Republic, est. 2009 22 people Product = IDEA StatiCa Steel, Concrete and Prestressing Desktop: 800 licenses, 30 countries Cloud (beta): 3000 users, worldwide IDEA StatiCa Connection IDEA StatiCa Steel FEA links CAD links other modules Track record of our leaders Leading development teams since 1986 The first Windows based software for structural analysis in Europe back in the 90’s Development director in Nemetschek SCIA Programs: ESA Prima Win, SCIA Engineer
  7. 7. 8 David meets IDEA BNL IDEA BNL based in Genk (B) and Dorwerth (NL), est. 2012 5 people (sales, 1st line support, translations) Products = IDEA StatiCa Steel, Concrete and Prestressing, RFEM, RSTAB, AxisVM IDEA StatiCa Connection IDEA StatiCa Steel FEA links CAD links other modules Track record of our leaders in Benelux Support and development since 2000 As Product Managers in Nemetschek SCIA Programs: ESA Prima Win, SCIA Engineer
  8. 8. IDEA Connect Events 2015 9 Events on IDEA Steel Connections 2015 Jo Gijbels - IDEA België Emiel Peltenburg - IDEA Nederland
  9. 9. 10 Partnerships
  10. 10. Design with IDEA StatiCa Connection 11 Based on a new method - Component Based Finite Element Model (CBFEM) Synergy of standard Component method and Finite Element Analysis Unique patented solution
  11. 11. Simplify and automate 12 Know what code requires from engineers every day (Green line) Create analysis model automatically Do all checks right away Provide clear pass/fail results Keep the the whole process in minutes Any topology, any loading, in minutes
  12. 12. Designed by IDEA StatiCa Connection 13 Equivalent plastic strain 12% 4,5% 0,5% Haunch or widener added
  13. 13. Simple topologies 14 CBFEM gives results according to AISC/Eurocode Cap plate connection of CHS profileSingle plate shear connection
  14. 14. Simple topologies 15 CBFEM gives results according to AISC/Eurocode Pipe – Shear lag connection in bracing Splice connections of flange of I-beam
  15. 15. Simple topologies 16 Flush Moment End-Plate connection Extended Moment End-Plate connection Flush Moment connection CBFEM gives results according to AISC/Eurocode
  16. 16. Cooperation with universities = Verified solution 17
  17. 17. What about complex topologies? 18 … in 10 minutes
  18. 18. 19 Load = 25% Eps = 0,1%
  19. 19. 20 Load = 38% Eps = 0,2%
  20. 20. 21 Load = 50% Eps = 0,3%
  21. 21. 22 Load = 63% Eps = 0,4%
  22. 22. 23 Load = 75% Eps = 0,6%
  23. 23. 24 Load = 88% Eps = 0,7%
  24. 24. 25 Load = 100% Eps = 1,5%
  25. 25. 26 Load = 113% Eps = 3,2%
  26. 26. 27 Load = 119% Eps = 5,8%
  27. 27. 28 Load = 121% Eps = 8,4%
  28. 28. 29 Load = 125% Eps = 16,5%
  29. 29. Component Based Finite Element Model (CBFEM) 30 The weak point of standard Component method / Design guides is that the topology is limited We use finite elements to model stress and strain Standard checks are then applied Any topology, any loading, in minutes
  30. 30. Innovative features 31 Plates meshed independently, Contact stress
  31. 31. Innovative features 32 Bolts in shear, Bolts in tension, Plates in contact
  32. 32. Innovative features 33 Manufacturing operations
  33. 33. Our vision of a structural engineering office IDEA Connection – Solution 34
  34. 34. BIM interface - FEA programs 35 Robot Structural Analysis, SCIA Engineer, AxisVM, RFEM, RSTAB
  35. 35. IDEA Connect Link IDEA Connect met uw andere software 36 IDEA BIM importeert krachten en staven vanuit andere rekensoftware in IDEA Connect BIM
  36. 36. Our vision of a structural engineering office IDEA Connection – Solution 37 BIM
  37. 37. BIM interface – CAD programs 38 Links already developed for Advance Steel and Tekla Structures
  38. 38. IDEA Connect BIM Link IDEA Connect met Tekla Structures 39 IDEA BIM importeert de staalverbinding vanuit Tekla in IDEA Connect BIM
  39. 39. 400 Steel licenses in 25 countries 40
  40. 40. Customer examples – fin plate on weak axis of column 41 Bigger plate Web doubler Stiffeners Collapse of column web. Equivalent strain is 15%.
  41. 41. Customer examples – crossing of diagonals in bracing 42 Ovalization of CHS. Stiffness perpendicular to CHS is weaker. All CHS are welded to one plate. Stiffness is 10x higher.
  42. 42. Customer examples – tower mast 43 Huge normal force loads the group of bolts eccentrically. Bolts cannot take this. Rearranging of bolts solved the problem.
  43. 43. Customer examples – service bridge steel truss 44 Connection was not designable with the suggested prescribed EC3 requirements and a more generic analysis approach had to be adopted.
  44. 44. 45 Design of steel connections - IDEA StatiCa Connection Hand calculations Excel spreadsheets Advanced scientific models Any topology, any loading, in minutes Pass/fail checks EN/AISC Standalone, linked to CAD/FEA Verified results by universities Unique patented technology
  45. 45. 46 Remember these?
  46. 46. 47 David can calculate yesterday‘s estimates
  47. 47. 48 Try it yourself at www.idea-rs.com
  48. 48. Online of Offline Proeflicenties? Vraag uw triallicentie bij ons vandaag aan via info@idea-rs.be en test vandaag Jo Gijbels IDEA België www.idea-rs.be info@idea-rs.be

Editor's Notes

  • Let me introduce you David. Maybe you know him, he is a structural engineer from your neighborhood who is dealing with steel structures. And as you know steel structures are also about connections which are very important part of the design.
  • So let me ask you. Can David design connections like these?
  • Usually, for standard connections he can find a verified example or a guideline provided by a code. But what about real-life complex joints?
    There are no verified guidelines.
    Of course there is a solution to model that in an advance FEA application like Ansys or Abaqus, but can David do that?
    And can he spend hours or days with modelling of one joint?
    And finally if he can make complex fine element model with nonlinearities, contacts, springs. Can he do code checks of all connection parts?

    As you see David has quite hard life and we have decided to help him.
  • So let me introduce us…
    Our company IDEA RS develops software for engineers who deal with structural analysis and design of members and details and our product called IDEA StatiCa and is used to design bridges, residential, civil and industrial structures.
  • So let me introduce us…
    Our company IDEA RS develops software for engineers who deal with structural analysis and design of members and details and our product called IDEA StatiCa and is used to design bridges, residential, civil and industrial structures.
  • And let me also mention our important partners. Especially if we talk about steel connection I would like to mention companies Autodesk and Trimble. We have implemented link with both of them so we can import connectionmodel into our IDEA StatiCa and finish design of that.
  • Let‘s summarize our new solution. It is called Component based finite element model.
    It is a synergy of standard Component method and Finite Element Analysis.
    This method is general, we can do stress analysis, buckling analysis and also investigate stiffness. All of this is combined into a reliable overall check of the connection.
    It was quite hard to put all pieces of this solution together so we are protecting our method with a patent, both on a national and international level.
  • Let‘s go back to connections design. If we want to calculate them properly, we need to use plastic non-linear analysis.
    In our solution we use this ideal plastic material model(in green) with elastic part and plastic part which is required by Eurocode. This model is for engineers, not for scientists.
  • When we take this into account, we get much better and understandable results. We can see where the problem is in the connection and what to do with it. Well-placed small haunch or widener can do a lot and decrease elastic-plastic strain.

  • We have also spent a lot of time with verifications and checking of our solution in collaboration with universities.
  • All verifications and benchmars were put into a book which will be released in the summer.

  • We can also show you quite unique pictures where you see the real behavior of the joint and relation between load level on moment/rotation diagram and plastification of the joint.
  • Current component method is a valid tool for engineers and gives reliable results for many connections engineers deal with. But we are showing weak point of component method – that is the model needed for calculation of internal forces and stresses in the connection. For each topology of the joint, specific model needs to be derived. When we know forces, the specific checks according to design code for bolts, welds and other components can be applied.
  • Now let me mention some our innovative features.
    We can create the mesh independently for all plates and keep it simple and well shaped. Next we can model and check contact between base plate and concrete block.
  • And also let me show you our unique model of bolts in tension and shear.
  • And finally I would like to mention our manufacturing operations which enables modelling of a complex joint in a very simple way as the real manufacturing project goes.
  • Another important part of our solutions are links with other applications. We can import structure from a FEA programs.
  • Vložit obrázek detailu s plasticitou
  • Live demo:
    RFEM voorbeeld tonen
    Import in IDEA BIM Designer
    IDEA BIM Designer uitleggen
    Export naar IDEA Connect
    Uitwerken verbindingen in IDEA Connect
  • And as well from CAD programs - Advance Steel and Tekla Structures.
  • Vložit obrázek detailu s plasticitou
  • Our customers include a lot of key companies in engineering and manufacturing of steel structures around the world.
  • Now I would like to show you examples from our customers. First is from a Czech engineer who took over a project after another engineer. He looked on this member and said: „This can‘t be right“
    So we checked it with IDEA Connection and as you can see there is plastification in the wall of this column and the wall collapsed because of this. Strain was really high
    There are several ways how to fix this „ugly connection“.
  • Another example is a joint with crossing of two bracing diagonals.
    One diagonal is continuous and gusset plates are welded to this tube.
    It is from a client in Slovakia , wall bracing in a steel warehouse.
    We calculated it and you can see that there is plasticization but the design is safe. But if we show the deformation, we see there is ovalization of this tube.
    From the point of stress – good. From the point of stiffness – not sufficient.
    If you divide all diagonals and weld them to the plate, plasticization is not there anymore and stiffness is 10 times higher.
  • Another example of a bad example is a tower mast from Poland. One engineering company contacted us asking if we are able to calculate this connection.
    We modeled it and found out a looming disaster. We proposed to make the plate bigger, shuffled the bolts a little bit and it was OK. Structural defect avoided.
  • And finally I would like to mention a connection of a steel truss structure made of hollow sections which is located at the Heathrow airport and designed by Ellis & Moore Consulting Engineers.
  • I believe that now you see that IDEA StatiCa Connection is a tool for daily work of structural engineers and it can replace hand calculation, Excel spreadsheets and advanced scientific models.
  • And do you remember these David‘s connections?
  • We know that he can design them.

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