[{"data":1,"prerenderedAt":417},["ShallowReactive",2],{"copy:tools-common:en":3,"copy:tools-product:en":64,"copy:tools-xfem4u:en":262},{"software":4,"breadcrumb":5,"priceList":6,"exVat":7,"fig":8,"fromManual":9,"slides":10,"english":17,"download":18,"explore":19,"opensNewTab":20,"tiers":21,"materials":25,"annexNames":31,"licence":39,"mobileBar":61},"Software","Breadcrumb","Price list {month}","excl. VAT","Fig.","Screenshot from the manual.",{"carousel":11,"prev":12,"next":13,"pause":14,"play":15,"position":16},"carousel","Previous picture","Next picture","Pause the slideshow","Play the slideshow","Picture {n} of {total}","(English)","Download","Explore","opens in a new tab",{"basic2d":22,"advanced":23,"premium":24},"Basic 2D","Advanced 2D + 3D","Premium",{"steel":26,"concrete":27,"timber":28,"masonry":29,"geo":30},"Steel","Concrete","Timber","Masonry","Geotechnics",{"nl":32,"be":33,"uk":34,"de":35,"it":36,"es":37,"pt":38},"Netherlands","Belgium","United Kingdom","Germany","Italy","Spain","Portugal",{"title":40,"ppu":41,"perHour":42,"perYear":43,"billed":44,"or":45,"included":46,"note2d":47,"note3d":48,"premium":49,"wordAddIn":50,"welcome":51,"compare":52,"spreadsheetTitle":53,"spreadsheetFree":54,"spreadsheetRuns":55,"spreadsheetTier":56,"premiumIn":57,"premiumNote":58,"ppuIncluded":59,"ppuRuns":60},"Licence","pay-per-use","\u002Fhour","\u002Fyear","Billed per minute. Never more than {cap} per computer per calendar year, all programs together.","or","Included in {tier}","Single user, on up to 2 workstations. Also in Advanced and Premium.","Single user. Includes XBeam2D, XFrame2D, XConstruct and XSpreadsheets.","Premium ({premium}\u002Fyear) adds IDEA StatiCa export, Tekla import, DXF export and Python, plus priority support. Pay-per-use includes those features too.","The Word add-in is included, with pay-per-use and with every licence.","Download free. Register in the program and get {credit} of pay-per-use credit as a welcome gift.","Compare pay-per-use and licences","Price","Free download","The models run in XFrame2D ({hourly2d}\u002Fhour) or XFEM4U ({hourly3d}\u002Fhour) on pay-per-use, billed per minute.","Or in your licence: XSpreadsheets counts in the 2D tier, from Basic 2D at {basic}\u002Fyear.","Included in Premium 2D + 3D","Single user, on up to 2 workstations. Everything in Advanced 2D + 3D, plus IDEA StatiCa export, Tekla import, DXF export and priority support.","Included with pay-per-use","You pay for the program that calculates the model: XFEM4U at {hourly3d}\u002Fhour or XFrame2D at {hourly2d}\u002Fhour, billed per minute.",{"download":62,"pricing":63},"Download free","Pricing",{"nav":65,"sections":75,"proof":80,"meta":82,"jobsTitle":89,"jobsLead":90,"manualLink":91,"capabilitiesTitle":92,"tabs":93,"tabsLabel":68,"matrix":99,"codeTopics":110,"output":121,"limitsLead":125,"limitsTable":126,"askFirst":139,"worksWith":140,"learn":172,"news":183,"faqTitle":187,"cta":188,"modules":191,"schemaHourly":260,"schemaAnnual":261},{"label":66,"overview":67,"capabilities":68,"codes":69,"output":70,"limits":71,"worksWith":72,"learn":73,"faq":74},"On this page","Overview","Capabilities","Codes","Output","Limits","Works with","Learn","FAQ",{"jobs":76,"capabilities":68,"output":70,"limits":71,"worksWith":72,"learn":73,"news":77,"faq":74,"modules":78,"proof":79},"Jobs","What's new","Modules","Users",{"title":81},"In a user’s words",{"label":83,"version":84,"versionValue":85,"system":86,"systemValue":87,"languages":88},"At a glance","Version","{version}, {date}","System","Windows 10 and 11, 64-bit · installer {mb} MB","Interface","The jobs it does","What engineers use it for, day to day.","In the manual","What it does, tab by tab",{"input":94,"analysis":95,"checks":96,"codes":97,"interfaces":98},"Model","Analysis","Design checks","Codes and annexes","Interfaces",{"caption":100,"code":101,"scope":102,"yes":103,"no":104,"na":105,"legend":106,"note":107,"aisc":108,"aci":109},"Design codes and national annexes","Code","Used for","included","not included","not applicable: a Dutch standard","✓ included · ✗ not included · – Dutch standard, other countries not applicable","The national annex is chosen per calculation, in the calculation settings. Source: the program documentation, September 2026.","Also: steel design to ANSI\u002FAISC 360-16, with the Direct Analysis Method.","Also: concrete design to ANSI\u002FACI 318-19.",{"en1990":111,"en1991":112,"en1992":27,"en1992-1-2":113,"en1993-1-1":114,"en1993-1-2":115,"en1993-1-8":116,"en1995":28,"en1996":29,"npr9998":117,"nen8700":118,"nen9997":119,"npr9096":120},"Basis of design, load combinations","Snow and wind loads (load generator)","Concrete, fire","Steel members","Steel, fire","Steel joints","Earthquake (Groningen)","Existing structures: partial factors","Geotechnics: pile bearing capacity","Masonry cavity walls under wind",{"pageOf":122,"formats":123,"samples":124},"page {page} of {pages}","Reports as RTF, PDF or DOCX, in the language set in the program: {languages}. The output selection decides what goes in.","Sample reports","Stated plainly, so you can decide before you start.",{"caption":127,"item":128,"limit":129,"labels":130},"Fixed limits per model","Item","Maximum",{"nodes":131,"beams":132,"members":133,"profiles":134,"connections":135,"loadCases":136,"casesPerCombination":137,"combinations":138},"Highest node number","Highest beam number","Highest member number","Profiles","Connections","Load cases","Load cases per combination","Load combinations","Check with us first",{"title":72,"lead":141,"ours":142,"theirs":143,"premium":144,"more":145,"items":146,"names":161},"The other Struct4U programs, your Word report and the software around you.","Struct4U","Other software","Premium or pay-per-use","All integrations",{"xfem4u":147,"xframe2d":147,"xbeam2d":148,"xconstruct":149,"xspreadsheets":150,"aiAssistant":151,"word":152,"ifc":153,"tekla":154,"idea":155,"excel":156,"dxf":157,"python":158,"xml":159,"directCommands":160},"Exchange models through XML.","Single beams from the frame, in steel, concrete or timber.","Connections, column bases, sections and details.","Parametric models from Excel that open in the program.","Answers from the XFEM4U manual, with the page.","The report in your own Word document, kept up to date.","Export the model for BIM.","Import (Premium or pay-per-use) and export, as XML.","Export geometry and all ULS forces.","Send model data to Excel and read it back.","Import as underlay or beams; export incl. reinforcement drawings (Premium or pay-per-use).","Build a parametric model from a script.","Import and export, also to and from XFEM4U.","Drive the program from a spreadsheet.",{"word":162,"aiAssistant":163,"ifc":164,"tekla":165,"idea":166,"excel":167,"dxf":168,"python":169,"xml":170,"directCommands":171},"Word add-in","AI Assistant","IFC","Tekla Structures","IDEA StatiCa","Excel","DXF","Python","XML","Excel DirectCommands",{"title":173,"manual":91,"manualAll":174,"videos":175,"videoLang":176,"notes":179,"releaseNotes":180,"ai":181,"aiLink":182},"Learn it","The whole manual","Videos",{"en":177,"nl":178},"English","Dutch","Release notes","Release notes (PDF)","Stuck on a menu or a setting?","Ask the AI Assistant",{"title":184,"current":185,"notes":186},"Recent releases","Current version {version}, released {date}.","All changes are in the release notes.","Questions",{"engineer":189,"pricing":190},"Talk to an engineer","See pricing",{"title":192,"lead":193,"material":194,"check":195,"all":196,"count":197,"none":198,"reset":199,"manual":200,"notes":179,"since":201,"checks":202,"materials":209,"names":210,"texts":235},"{count} modules. Filter by material or by what they check.","Every module uses the Dutch national annex. Modules marked “Manual” have a page in the manual; the others are described in the release notes.","Material","Checks","All","{shown} of {total} modules","No module matches both filters.","Show all modules","Manual","since {version}",{"connection":135,"member":203,"section":204,"wall":205,"detail":206,"foundation":207,"fire":208},"Members","Sections","Walls","Details","Foundations","Fire",{"steel":26,"concrete":27,"timber":28,"masonry":29,"geo":30},{"momentConnection":211,"columnBase":212,"shearConnection":213,"braceConnection":214,"pinConnection":215,"filletWeld":216,"bolt":217,"steelColumn":218,"builtUpSection":219,"steelFire":220,"concreteSection":221,"concreteColumn":222,"punching":223,"creep":224,"anchorage":225,"pileCap":226,"floorJoists":227,"purlin":228,"timberColumn":229,"timberFrameWall":230,"masonryWall":231,"masonryBearing":232,"cavityWall":233,"pileBearing":234},"Moment connection","Column base plate","Shear connection","Brace connection","Pin connection","Fillet welds","Single bolt","Steel column","Built-up section","Fire resistance, steel","Concrete section","Concrete column","Punching shear","Creep coefficient","Anchorage length","Pile cap on two piles","Timber floor joists","Timber purlin","Timber column","Timber-frame wall","Load-bearing masonry wall","Bearing on masonry","Cavity wall under wind","Pile bearing capacity",{"momentConnection":236,"columnBase":237,"shearConnection":238,"braceConnection":239,"pinConnection":240,"filletWeld":241,"bolt":242,"steelColumn":243,"builtUpSection":244,"steelFire":245,"concreteSection":246,"concreteColumn":247,"punching":248,"creep":249,"anchorage":250,"pileCap":251,"floorJoists":252,"purlin":253,"timberColumn":254,"timberFrameWall":255,"masonryWall":256,"masonryBearing":257,"cavityWall":258,"pileBearing":259},"Bolted or welded beam-to-column joint: M_{j,Rd} with redistribution over the bolt rows, stiffness, M-φ diagram and classification.","Concrete bearing, anchors, base plate and welds, edge effects and stiffness, after CUR\u002FBmS report 10.","Hinged connection with a fin plate, a short end plate or angle cleats.","A bracing member of an angle or a strip, with its bolted connection.","Geometry to table 3.9, resistance to table 3.10, and the contact pressure.","Check or design the throat thickness for three forces and three moments.","The resistances of one bolt, from its grade, position, spacing and plate.","Flexural and lateral-torsional buckling with end moments and a transverse load; cross-section class.","Properties of sections built from 2,700+ steel profiles, timber and basic shapes: class and A_{m}\u002FV included.","Tension members and beams that don’t buckle: section factor, clad or unclad, steel temperature over time.","M, N, V and T in ULS and SLS, reinforcement in layers, and the M-N-κ diagram.","Rectangular or circular, nominal curvature, biaxial bending, and fire by the 500 °C isotherm.","Column anywhere under the slab, enlarged heads, and an eccentric punching force.","From concrete and cement class, humidity, age at loading and notional size.","The anchorage length of a reinforcing bar.","A reinforced concrete cap on two piles.","Floor joists, with partitions as permanent or variable load.","Double bending on a sloping roof, with snow and wind.","A timber column to Eurocode 5.","Racking by method A (§9.2.4.2): sheathing buckling, end studs, compression perpendicular to the grain.","Walls supported on two or more sides, under vertical load.","A concentrated load on a masonry wall.","Walls with openings under wind; figures 17 and 18 of the NPR digitised.","From CPTs (GEF import or digitised): concrete, steel or timber piles, settlement and spring values.","Pay-per-use, per hour, billed per minute","{tier} licence, single user, per year",{"seo":263,"kicker":266,"h1":267,"lead":268,"hero":269,"jobs":281,"tabs":294,"codesIntro":344,"output":345,"limits":364,"learn":374,"releases":387,"faq":391,"close":410,"notes":413},{"title":264,"description":265},"XFEM4U: 3D FEM for frames, plates and walls · Struct4U","3D frames, plates and walls in steel, concrete and timber to Eurocode. Frames second-order, full reports. {hourly3d}\u002Fh pay-per-use or {advanced}\u002Fyr.","3D FEM · steel, concrete, timber","XFEM4U: 3D frames, plates and walls","One 3D model for the whole structure. With the Eurocode checks on, frames are analysed second-order with imperfections; plates are analysed linearly. Every check goes into the report with its formula, values and clause.",{"caption":270,"pictures":271},"A model made with XFEM4U.",{"xfem4u-01":272,"xfem4u-02":273,"xfem4u-03":274,"xfem4u-04":275,"xfem4u-05":276,"xfem4u-06":277,"xfem4u-07":278,"xfem4u-08":279,"xfem4u-09":280},"3D model of a large steel hall in XFEM4U","Concrete beam grid on piles in XFEM4U, with the pile reactions and a reinforcement drawing","Steel trusses and columns of a building in XFEM4U, coloured by displacement","Bending moments in a concrete floor slab on columns in XFEM4U","Steel roof beams and trusses in XFEM4U, coloured by displacement","Two crossing steel beams on a column in XFEM4U, coloured by displacement","3D model of a polygonal steel and timber canopy in XFEM4U","3D model of a timber barn frame in XFEM4U","3D model of a timber roof with rafters in XFEM4U",{"hall":282,"slab":285,"grid":288,"quake":291},{"title":283,"text":284},"Steel halls and buildings","Frames, bracing and purlins in one 3D model. The load generator adds wind and snow to EN 1991 and builds all load combinations.",{"title":286,"text":287},"Concrete floors and walls","Plates with holes, hinged edges or an elastic bed. Reinforcement from the three-layer model of Blaauwendraad and Braam, shear reinforcement included.",{"title":289,"text":290},"Beam grids on piles","Pile reactions, longitudinal reinforcement and stirrups for shear and torsion, and the reinforcement drawing as DXF (Premium licence, or included with pay-per-use).",{"title":292,"text":293},"Earthquake to NPR 9998","The response spectrum from the natural frequencies (Rayleigh). Seismic load cases in x and y and their combinations are generated. Dutch guideline.",{"input":295,"analysis":307,"checks":319,"interfaces":332},{"intro":296,"items":297,"fig":304},"Beams, plates and walls in one model, drawn, imported or generated.",[298,299,300,301,302,303],"Beams in steel, concrete and timber: tapered, built-up, dummy beams, rigid links, releases and hinges, insertion points, tension-only members, beams on elastic soil.","Plates, slabs and walls with automatic meshing, holes, hinged plate connections, orthotropic slabs and elastic soil.","Supports in any combination, with springs, compression-only supports and local axes.","Node, beam and surface loads, load panels and prescribed displacements; load cases, combinations and combination sequences.","A 3D wind and snow generator to EN 1991, a hall wizard, grid lines, levels, layers and a section box.","User-defined materials in the material editor.",{"alt":305,"caption":306},"A 3D steel hall of portal frames generated by the XFEM4U hall wizard.","A hall made with the wizard: frames, purlins and supports in one step.",{"items":308,"fig":316},[309,310,311,312,313,314,315],"First order (GL) or geometrically non-linear (GNL). With the Eurocode steel or timber checks on, the analysis is always GNL.","Global sway imperfections to EN 1993-1-1 §5.3.2(3)a are applied automatically, in +dx and −dx: every ULS combination is calculated twice.","Member imperfections (§5.3.2(3)b) are not modelled. Members are checked to §6.3 with the buckling length equal to the member length (§5.2.2(7)b).","Plates are analysed geometrically linear; the second-order effects apply to the beams.","Water accumulation (ponding) on roofs.","Earthquake to NPR 9998: a response spectrum from the natural frequencies, found with the Rayleigh method.","Fire: the steel temperature of each member over time, unclad or clad, against its critical temperature.",{"alt":317,"caption":318},"The XFEM4U calculation settings dialog: analysis type, national annex, NEN 8700, consequence class, imperfections and the steel, concrete and timber codes.","Calculation settings: analysis type, national annex, NEN 8700, consequence class and the code per material.",{"items":320,"fig":329},[321,322,323,324,325,326,327,328],"Steel members to EN 1993-1-1, lateral-torsional buckling included, with k_{c} after Serna et al. (§6.3.2.3, table 6.6).","Semi-rigid moment joints to EN 1993-1-8: the load-dependent stiffness S_{j} with a trilinear M-φ curve goes into the analysis.","Fire resistance of steel members to EN 1993-1-2.","Concrete to EN 1992-1-1: beam grids on piles (longitudinal reinforcement, stirrups for shear and torsion) and plate reinforcement with the three-layer model.","Timber members to EN 1995-1-1.","Steel to ANSI\u002FAISC 360-16 with the Direct Analysis Method.","Concrete to ANSI\u002FACI 318-19.","A steel optimiser that proposes lighter profiles.",{"alt":330,"caption":331},"XFEM4U beam-to-column joint dialog with the connection drawing and, on the right, the calculation to NEN-EN 1993-1-8 written out.","A beam-to-column joint: the drawing and, beside it, the calculation to NEN-EN 1993-1-8 as it runs.",{"items":333,"fig":341},[334,335,336,337,338,339,340],"Excel: send nodes, beams, load cases, combinations and loads to Excel, edit them there and read them back.","Tekla Structures: import (Premium licence, or included with pay-per-use) and export, through an XML tool made by Tekniq Solution.","IDEA StatiCa: export of the geometry and all ULS forces (Premium licence, or included with pay-per-use).","IFC export for BIM.","DXF: import as an underlay or as beams (DWG is not read); export of the reinforcement of beam grids (Premium licence, or included with pay-per-use).","SDNF import, XML import and export, TXT export.","[Python](page:tools-python): build a parametric model from a script (Premium licence, or included with pay-per-use).",{"alt":342,"caption":343},"A beam grid reinforcement drawing exported from XFEM4U as DXF and opened in AutoCAD.","The reinforcement drawing of a beam grid, exported as DXF and opened in AutoCAD.","Eurocodes with five national annexes, plus the Dutch guidelines for earthquake and existing structures.",{"title":346,"lead":347,"notes":348,"fig":361},"Every formula, every value, every clause.","The report writes each check out: the clause, the formula, the values that went in and the unity check. Your reviewer can follow it, and you can recheck any line with a pocket calculator.",[349,352,355,358],{"title":350,"text":351},"Clause","Each check names its article: EN 1993-1-1 §6.2.5.",{"title":353,"text":354},"Formula with the values","W_{pl,z} · f_{y} \u002F γ_{M0} = 270616 × 235 \u002F 1.00.",{"title":356,"text":357},"Equation number","(6.13) and (6.12), as numbered in the code.",{"title":359,"text":360},"Unity check","0.35 \u003C 1.0, with the load combination and position.",{"alt":362,"caption":363},"Page 84 of an XFEM4U report in Dutch: bending moment and shear checks to EN 1993-1-1 articles 6.2.5 and 6.2.6, each formula with its values filled in.","Page {page} of {pages} of the XFEM4U sample report, in Dutch (version {version}, November 2022).",{"title":365,"items":366},"Where XFEM4U stops",[367,368,369,370,371,372,373],"Plates are analysed geometrically linear. Second-order effects are calculated for beams only.","Member imperfections are not modelled: members are checked to EN 1993-1-1 §6.3 with the buckling length equal to the member length.","Earthquake: NPR 9998 only, the Dutch guideline.","Model size has no fixed limit. Memory and the bandwidth of the stiffness matrix decide how big a model can get.","CAD exchange is through DXF; DWG files are not read.","Windows 10 and 11 only (64-bit), on .NET 10. The installer is {mb} MB ({date}).","Not in XFEM4U: modal analysis beyond the natural frequency, eigenvalue buckling, cracked (physically non-linear) concrete in 3D, construction stages and moving loads.",{"manual":375,"videos":382},{"settings":376,"loadGenerator":377,"slabs":378,"fire":379,"excel":380,"aisc":381},"Calculation settings","Load generator: wind and snow","Slabs and plates","Fire data of a beam","Send and retrieve Excel","Steel design to ANSI\u002FAISC 360-16",{"Dh4v5oTb1b0":383,"qPw7qTc_HcA":384,"EnBObwNFRTQ":385,"qjxjBpYj6x8":386},"Quickstart 1.1: unbraced steel structure","Quickstart 1.2: concrete foundation","Quickstart 1.3: concrete floor","Fire resistance of a steel structure",[388,389,390],"Fire resistance of steel structures. IFC export for BIM. k_{c} for lateral-torsional buckling after Serna et al.","Send and retrieve model data with Excel. Export to Tekla Structures.","Output as a Word document (.docx), with the formulas as Word equations.",[392,395,398,401,404,407],{"q":393,"a":394},"Is the analysis second-order?","For frames, yes. With the Eurocode steel or timber checks on, XFEM4U always calculates geometrically non-linear, with the global imperfections applied automatically. Plates are calculated linearly.",{"q":396,"a":397},"Which national annexes are included?","The Dutch, Belgian, British, German and Italian annexes, chosen per calculation. Steel can also be designed to ANSI\u002FAISC 360-16, and concrete to ANSI\u002FACI 318-19. There is no Spanish or Portuguese annex.",{"q":399,"a":400},"What does an hour of XFEM4U cost?","{hourly3d} per hour on pay-per-use, billed per minute and capped at {cap} per computer per calendar year for all programs together. Or take the Advanced licence at {advanced} per year.",{"q":402,"a":403},"Which features need Premium?","IDEA StatiCa export, Tekla import, DXF export and Python. They come with the Premium licence, {premium} per year for a single user, which also brings priority support. Pay-per-use includes these features as well.",{"q":405,"a":406},"Can I bring in a model from Tekla, AutoCAD or Excel?","Yes: Tekla import (Premium licence, or included with pay-per-use), DXF as an underlay or as beams, SDNF and XML import, and Excel for nodes, beams, loads and combinations.",{"q":408,"a":409},"Does XFEM4U run on a Mac?","No. XFEM4U is a Windows program (64-bit).",{"title":411,"text":412},"Model your next structure in XFEM4U.","Download free and register in the program: you get {credit} of pay-per-use credit as a welcome gift.",{"capabilities":414,"output":415,"limits":416},"Global imperfections to EN 1993-1-1 §5.3.2(3)a are applied automatically when the checks are on.","From the sample report of November 2022 (version 2023.1).","Source: the XFEM4U manual (References › Limitations; Calculation settings) and the release notes.",1793818601745]