static void Main() { // PRACTICAL EXAMPLE: SETTING UP LOAD GROUPS // This example shows the core steps of creating load groups for a model. // This example was last updated 2022-04-06, using the ver. 21.1.0 FEM-Design API. // CREATING LOAD CASES LoadCase deadLoad1 = new LoadCase("Deadload1", LoadCaseType.DeadLoad, LoadCaseDuration.Permanent); LoadCase deadLoad2 = new LoadCase("Deadload2", LoadCaseType.DeadLoad, LoadCaseDuration.Permanent); LoadCase liveLoad1 = new LoadCase("Liveload1", LoadCaseType.Static, LoadCaseDuration.Permanent); LoadCase liveLoad2 = new LoadCase("Liveload2", LoadCaseType.Static, LoadCaseDuration.Permanent); List <LoadCase> loadCasesDeadLoads = new List <LoadCase>() { deadLoad1, deadLoad2 }; List <LoadCase> loadCaseLiveLoads = new List <LoadCase>() { liveLoad1, liveLoad2 }; // FETCHING LOAD CATEGORY DATABASE var loadCategoryDatabase = LoadCategoryDatabase.GetDefault(); LoadCategory loadCategory = loadCategoryDatabase.LoadCategoryByName("A"); // CREATING LOAD GROUPS var LG1 = new ModelGeneralLoadGroup(new LoadGroupPermanent(1, 1.35, 1, 1, loadCasesDeadLoads, ELoadGroupRelationship.Simultaneous, 0.89, "LG1")); var LG2 = new ModelGeneralLoadGroup(new LoadGroupTemporary(1.5, loadCategory.Psi0, loadCategory.Psi1, loadCategory.Psi2, true, loadCaseLiveLoads, ELoadGroupRelationship.Alternative, "LG2")); var loadGroups = new List <ModelGeneralLoadGroup>() { LG1, LG2 }; // CREATING AND OPENING NEW MODEL var model2 = new Model(Country.S, null, null, loadCasesDeadLoads.Concat(loadCaseLiveLoads).ToList(), null, loadGroups); string path = Path.GetFullPath("output/LoadGroups.struxml"); if (!Directory.Exists("output")) { Directory.CreateDirectory("output"); } model2.SerializeModel(path); var app = new Calculate.Application(); app.OpenStruxml(path, true); }
static void Main() { // PRACTICAL EXAMPLE: COMBINING LOAD GROUPS // This example shows the steps for creating a complete set of load combination, // combining existing load groups. In addition to the main program, there are two // public functions at the bottom - CombineULS and CombineSLS. // This example was last updated 2022-04-06, using the ver. 21.1.0 FEM-Design API. // Create load cases LoadCase deadLoad1 = new LoadCase("Deadload1", LoadCaseType.DeadLoad, LoadCaseDuration.Permanent); LoadCase deadLoad2 = new LoadCase("Deadload2", LoadCaseType.DeadLoad, LoadCaseDuration.Permanent); LoadCase liveLoad1 = new LoadCase("Liveload1", LoadCaseType.Static, LoadCaseDuration.Permanent); LoadCase liveLoad2 = new LoadCase("Liveload2", LoadCaseType.Static, LoadCaseDuration.Permanent); LoadCase windLoad1 = new LoadCase("Windload1", LoadCaseType.Static, LoadCaseDuration.Permanent); LoadCase windLoad2 = new LoadCase("Windload2", LoadCaseType.Static, LoadCaseDuration.Permanent); List <LoadCase> loadCasesDeadLoads = new List <LoadCase>() { deadLoad1, deadLoad2 }; List <LoadCase> loadCaseCategoryA = new List <LoadCase>() { liveLoad1, liveLoad2 }; List <LoadCase> loadCaseCategoryWind = new List <LoadCase>() { windLoad1, windLoad2 }; List <LoadCase> loadCases = loadCasesDeadLoads.Concat(loadCaseCategoryA).Concat(loadCaseCategoryWind).ToList(); // Get the load categories that hold the coefficients var loadCategoryDatabase = LoadCategoryDatabase.GetDefault(); LoadCategory loadCategoryA = loadCategoryDatabase.LoadCategoryByName("A"); LoadCategory loadCategoryWind = loadCategoryDatabase.LoadCategoryByName("Wind"); // Create load groups var LGPermanent = new LoadGroupPermanent(1, 1.35, 1, 1, loadCasesDeadLoads, ELoadGroupRelationship.Entire, 0.89, "LGPermanent"); var LGA = new LoadGroupTemporary(1.5, loadCategoryA.Psi0, loadCategoryA.Psi1, loadCategoryA.Psi2, true, loadCaseCategoryA, ELoadGroupRelationship.Alternative, "LGCategoryA"); var LGWind = new LoadGroupTemporary(1.5, loadCategoryWind.Psi0, loadCategoryWind.Psi1, loadCategoryWind.Psi2, true, loadCaseCategoryWind, ELoadGroupRelationship.Alternative, "LGCategoryWind"); var loadGroups = new List <LoadGroupBase>() { LGPermanent, LGA, LGWind }; // Wrap the load groups so that they can be added to the load group table var generalLoadGroups = new List <ModelGeneralLoadGroup>() { new ModelGeneralLoadGroup(LGPermanent), new ModelGeneralLoadGroup(LGA), new ModelGeneralLoadGroup(LGWind) }; // Generate ULS and SLS Combinations List <LoadCombination> loadCombinations; LoadCombinationTable loadCombinationTable = new LoadCombinationTable(); CombineULS(loadGroups, loadCombinationTable); CombineSLS(loadGroups, loadCombinationTable); loadCombinations = loadCombinationTable.LoadCombinations; // Create model and open file in FEM design var model2 = new Model(Country.S, null, null, loadCases, loadCombinations, generalLoadGroups); string path = Path.GetFullPath("output/LoadGroupsAndCombinations.struxml"); if (!Directory.Exists("output")) { Directory.CreateDirectory("output"); } model2.SerializeModel(path); var app = new Calculate.Application(); app.OpenStruxml(path, true); }
static void Main() { // EXAMPLE 4: EDITING AN EXISTING MODEL // In this example, we will edit an existing model by isolating a floor and replacing supporting // walls and pillars with appropriate supports. Using height as a point of comparison we can find // which elements to reuse from the old model, and create a new model with our selected elements. // This example was last updated 2022-04-13, using the ver. 21.1.0 FEM-Design API. // READ THE MODEL: // Deserialize the current model to access all the data in the .struxml file. FemDesign.Model model = FemDesign.Model.DeserializeFromFilePath("Example 4 - model.struxml"); // ISOLATE A FLOOR: // Choose which floor will be singled out. int floor = 3; FemDesign.StructureGrid.Storey storey = model.Entities.Storeys.Storey[floor]; List <GenericClasses.IStructureElement> storeyAsList = new List <GenericClasses.IStructureElement> { storey }; double zCoord = storey.Origo.Z; // POINT SUPPORTS: // Find all pillars supporting the chosen floor, and place point supports in their place. // We can use the fact that point [1] of any pillar is always the highest one. var supports = new List <GenericClasses.ISupportElement>(); for (int i = 0; i < model.Entities.Bars.Count; i++) { Bars.Bar tempBar = model.Entities.Bars[i]; if (tempBar.BarPart.Type != Bars.BarType.Column) { continue; } if (Math.Abs(tempBar.BarPart.Edge.Points[1].Z - zCoord) < Tolerance.LengthComparison) { var tempSupport = new Supports.PointSupport( point: new Geometry.FdPoint3d(tempBar.BarPart.Edge.Points[1].X, tempBar.BarPart.Edge.Points[1].Y, zCoord), motions: Releases.Motions.RigidPoint(), rotations: Releases.Rotations.Free() ); supports.Add(tempSupport); } } // ELEMENTS: // The model only contains plates and walls, so we will not be looking for beams etc. // We are looking for the floor plate at the right height, and the walls below it to // replace them with line supports. var elements = new List <GenericClasses.IStructureElement>(); // TESTING SLABS: // Slabs have a property which indicates if they are floors (plate) or walls (wall). // Based on this, we can sort out if we want to use them as an element or place a // line support in their stead. for (int i = 0; i < model.Entities.Slabs.Count; i++) { Shells.Slab tempSlab = model.Entities.Slabs[i]; if (tempSlab.Type == Shells.SlabType.Plate && Math.Abs(tempSlab.SlabPart.LocalPos.Z - zCoord) < Tolerance.LengthComparison) { elements.Add(tempSlab); } else if (tempSlab.Type == Shells.SlabType.Wall) { if (Math.Abs(tempSlab.SlabPart.Region.Contours[0].Edges[2].Points[0].Z - zCoord) < Tolerance.LengthComparison) { // Creating supports with translational stiffnes in the Z direction only. var tempSupport = new Supports.LineSupport( edge: tempSlab.SlabPart.Region.Contours[0].Edges[2], motions: new Releases.Motions(0, 0, 0, 0, 10E7, 10E7), rotations: new Releases.Rotations(0, 0, 0, 0, 0, 0), movingLocal: true ); supports.Add(tempSupport); } } } // TESTING PANELS: // Panels do not have the same property as slabs. Instead, we compare the height of all the // edge curves of the panel to discern if it is horizontal or not. for (int i = 0; i < model.Entities.Panels.Count; i++) { Shells.Panel tempPanel = model.Entities.Panels[i]; bool isSlab = true; for (int j = 0; j < tempPanel.Region.Contours[0].Edges.Count; j++) { if (tempPanel.Region.Contours[0].Edges[j].Points[0].Z != tempPanel.Region.Contours[0].Edges[j].Points[1].Z) { isSlab = false; break; } } if (isSlab && Math.Abs(tempPanel.Region.Contours[0].Edges[0].Points[0].Z - zCoord) < Tolerance.LengthComparison) { elements.Add(tempPanel); } else if (!isSlab && Math.Abs(tempPanel.Region.Contours[0].Edges[2].Points[0].Z - zCoord) < Tolerance.LengthComparison) { // Creating supports with translational stiffnes in the Z direction only. var tempSupport = new Supports.LineSupport( edge: tempPanel.Region.Contours[0].Edges[2], motions: new Releases.Motions(0, 0, 0, 0, 10E7, 10E7), rotations: new Releases.Rotations(0, 0, 0, 0, 0, 0), movingLocal: true ); supports.Add(tempSupport); } } // LOADS: // Similar to supports and elements, we will reuse loads from the model if they are on the correct height var loads = new List <GenericClasses.ILoadElement>(); for (int i = 0; i < model.Entities.Loads.LineLoads.Count; i++) { if (Math.Abs(model.Entities.Loads.LineLoads[i].Edge.XAxis.Z - zCoord) < Tolerance.LengthComparison) { loads.Add(model.Entities.Loads.LineLoads[i]); } } for (int i = 0; i < model.Entities.Loads.SurfaceLoads.Count; i++) { Loads.SurfaceLoad tempLoad = model.Entities.Loads.SurfaceLoads[i]; if (Math.Abs(tempLoad.Region.Contours[0].Edges[0].Points[0].Z - zCoord) < Tolerance.LengthComparison) { loads.Add(tempLoad); } } // CREATE NEW MODEL: // With a new model, we can add all our gathered elements to it. We can also take load cases, // load combinations, and the storey marker directly from the old model. FemDesign.Model newModel = new FemDesign.Model(Country.S); newModel.AddElements(elements); newModel.AddSupports(supports); newModel.AddLoads(loads); newModel.AddLoadCases(model.Entities.Loads.LoadCases); newModel.AddLoadCombinations(model.Entities.Loads.LoadCombinations); newModel.AddElements(storeyAsList); // SAVE AND RUN: // Create a file path for the new model, serialize it, and run the script! string path = Path.GetFullPath("output/edited_model.struxml"); if (!Directory.Exists("output")) { Directory.CreateDirectory("output"); } newModel.SerializeModel(path); Console.WriteLine($"Opening file at {path}"); var app = new Calculate.Application(); app.OpenStruxml(path, false); }
static void Main() { // PRACTICAL EXAMPLE: CREATE POST-TENSIONED CABLES // This example will show you how to add post-tensioned cables to your concrete beam. // This example was last updated 2022-05-03, using the ver. 21.1.0 FEM-Design API. // DEFINE GEOMETRY var p1 = new Geometry.FdPoint3d(0.0, 2.0, 0); var p2 = new Geometry.FdPoint3d(10, 2.0, 0); var edge = new Geometry.Edge(p1, p2, Geometry.FdVector3d.UnitY()); // CREATE BEAM Materials.MaterialDatabase materialsDB = Materials.MaterialDatabase.DeserializeStruxml("materials.struxml"); Sections.SectionDatabase sectionsDB = Sections.SectionDatabase.DeserializeStruxml("sections.struxml"); var material = materialsDB.MaterialByName("C35/45"); var section = sectionsDB.SectionByName("Concrete sections, Rectangle, 300x900"); var bar = new Bars.Bar( edge, Bars.BarType.Beam, material, sections: new Sections.Section[] { section }, connectivities: new Bars.Connectivity[] { Bars.Connectivity.GetRigid() }, eccentricities: new Bars.Eccentricity[] { Bars.Eccentricity.GetDefault() }, identifier: "B"); // CREATE POST-TENSIONED CABLE var shape = new Reinforcement.PtcShapeType( start: new Reinforcement.PtcShapeStart(0.0, 0.0), intermediates: new List <Reinforcement.PtcShapeInner>() { new Reinforcement.PtcShapeInner(0.4, -0.20, 0.0, 0.1), new Reinforcement.PtcShapeInner(0.6, -0.20, 0.0), }, end: new Reinforcement.PtcShapeEnd(0.0, 0.0, 0.9) ); var losses = new Reinforcement.PtcLosses( curvatureCoefficient: 0.05, wobbleCoefficient: 0.007, anchorageSetSlip: 0.0, elasticShortening: 0.0, creepStress: 0.0, shrinkageStress: 0.0, relaxationStress: 0.0); var manufacturing = new Reinforcement.PtcManufacturingType( positions: new List <double>() { 0.3, 0.7 }, shiftX: 0.0, shiftZ: 0.1); var strandData = new Reinforcement.PtcStrandLibType( name: "Custom ptc material", f_pk: 1860.0, a_p: 150.0, e_p: 195000.0, rho: 7.810, relaxationClass: 2, rho_1000: 0.1); var ptc = new Reinforcement.Ptc( bar, shape, losses, manufacturing, strandData, jackingSide: Reinforcement.JackingSide.Start, jackingStress: 1000.0, numberOfStrands: 3, identifier: "PTC"); var elements = new List <GenericClasses.IStructureElement>() { bar, ptc }; // CREATE AND OPEN MODEL Model model = new Model(Country.S, elements); string path = "output/post_tensioned_cable.struxml"; if (!Directory.Exists("output")) { Directory.CreateDirectory("output"); } model.SerializeModel(path); var app = new Calculate.Application(); app.OpenStruxml(Path.GetFullPath(path), false); }
static void Main() { // EXAMPLE 1: CREATING A SIMPLE BEAM // This example will show you how to model a simple supported beam, // and how to save it for export to FEM-Design.Before running, // make sure you have a window with FEM-Design open. // This example was last updated 2022-04-27, using the ver. 21.1.0 FEM-Design API. // Define geometry var p1 = new Geometry.FdPoint3d(2.0, 2.0, 0); var p2 = new Geometry.FdPoint3d(10, 2.0, 0); var mid = p1 + (p2 - p1) * 0.5; // Create elements var edge = new Geometry.Edge(p1, p2, Geometry.FdVector3d.UnitZ()); Materials.MaterialDatabase materialsDB = Materials.MaterialDatabase.DeserializeStruxml("materials.struxml"); Sections.SectionDatabase sectionsDB = Sections.SectionDatabase.DeserializeStruxml("sections.struxml"); var material = materialsDB.MaterialByName("C35/45"); var section = sectionsDB.SectionByName("Concrete sections, Rectangle, 300x900"); var bar = new Bars.Bar( edge, Bars.BarType.Beam, material, sections: new Sections.Section[] { section }, connectivities: new Bars.Connectivity[] { Bars.Connectivity.GetRigid() }, eccentricities: new Bars.Eccentricity[] { Bars.Eccentricity.GetDefault() }, identifier: "B"); bar.BarPart.LocalY = Geometry.FdVector3d.UnitY(); var elements = new List <GenericClasses.IStructureElement>() { bar }; // Create supports var s1 = new Supports.PointSupport( point: p1, motions: Releases.Motions.RigidPoint(), rotations: Releases.Rotations.Free() ); var s2 = new Supports.PointSupport( point: p2, motions: new Releases.Motions(yNeg: 1e10, yPos: 1e10, zNeg: 1e10, zPos: 1e10), rotations: Releases.Rotations.Free() ); var supports = new List <GenericClasses.ISupportElement>() { s1, s2 }; // Create load cases var deadload = new Loads.LoadCase("Deadload", Loads.LoadCaseType.DeadLoad, Loads.LoadCaseDuration.Permanent); var liveload = new Loads.LoadCase("Liveload", Loads.LoadCaseType.Static, Loads.LoadCaseDuration.Permanent); var loadcases = new List <Loads.LoadCase>() { deadload, liveload }; // Create load combinations var slsFactors = new List <double>() { 1.0, 1.0 }; var SLS = new Loads.LoadCombination("SLS", Loads.LoadCombType.ServiceabilityCharacteristic, loadcases, slsFactors); var ulsFactors = new List <double>() { 1.35, 1.5 }; var ULS = new Loads.LoadCombination("ULS", Loads.LoadCombType.UltimateOrdinary, loadcases, ulsFactors); var loadCombinations = new List <Loads.LoadCombination>() { SLS, ULS }; // Create loads var pointForce = new Loads.PointLoad(mid, new Geometry.FdVector3d(0.0, 0.0, -5.0), liveload, null, Loads.ForceLoadType.Force); var pointMoment = new Loads.PointLoad(p2, new Geometry.FdVector3d(0.0, 5.0, 0.0), liveload, null, Loads.ForceLoadType.Moment); var lineLoadStart = new Geometry.FdVector3d(0.0, 0.0, -2.0); var lineLoadEnd = new Geometry.FdVector3d(0.0, 0.0, -4.0); var lineLoad = new Loads.LineLoad(edge, lineLoadStart, lineLoadEnd, liveload, Loads.ForceLoadType.Force, "", constLoadDir: true, loadProjection: true); var loads = new List <GenericClasses.ILoadElement>() { pointForce, pointMoment, lineLoad }; // Add to model Model model = new Model(Country.S); model.AddElements(elements); model.AddSupports(supports); model.AddLoadCases(loadcases); model.AddLoadCombinations(loadCombinations); model.AddLoads(loads); // Save model then open in FEM-Design string path = System.IO.Path.GetFullPath("simple_model.struxml"); model.SerializeModel(path); var app = new Calculate.Application(); app.OpenStruxml(path, true); }