protected override void SolveInstance(IGH_DataAccess DA)
{
//
string filePath = null;
List <string> bscPath = new List <string>();
// get data
if (!DA.GetData(0, ref filePath))
{
return;
}
if (!DA.GetDataList(1, bscPath))
{
// pass
}
else
{
if (bscPath.Count == 0)
{
bscPath = null;
}
}
if (filePath == null)
{
return;
}
//
FemDesign.Calculate.FdScript fdScript = FemDesign.Calculate.FdScript.ReadStr(filePath, bscPath);
FemDesign.Calculate.Application app = new FemDesign.Calculate.Application();
bool hasExited = app.RunFdScript(fdScript, false, true, false);
//
if (hasExited)
{
DA.SetData(0, FemDesign.Model.DeserializeFromFilePath(fdScript.StruxmlPath));
DA.SetData(1, hasExited);
}
else
{
return;
}
}
static void Main()
{
// EXAMPLE 9: READ RESULTS
// This example will show you how to model a simple supported beam,
// and read some of the results.
// This example was last updated 2022-07-01, using the ver. 21.2.0 FEM-Design API.
#region DEFINE GEOMETRY
// 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
};
#endregion
#region DEFINE SUPPORTS
// 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
};
#endregion
#region DEFINE LOAD CASES/COMBINATIONS
// 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
};
#endregion
#region ASSEMBLE
// Add to model
Model model = new Model(Country.S);
model.AddElements(elements);
model.AddSupports(supports);
model.AddLoadCases(loadcases);
model.AddLoadCombinations(loadCombinations);
model.AddLoads(loads);
#endregion
#region SETTINGS
// define the file name
string fileName = "SimpleBeam.struxml";
fileName = Path.GetFullPath(fileName);
// Define the Units
// it is an optional operation and it can be omitted
// Default Units can be seen looking at FemDesign.Results.UnitResults.Default()
var units = new FemDesign.Results.UnitResults(Results.Length.m, Results.Angle.deg, Results.SectionalData.mm, Results.Force.daN, Results.Mass.kg, Results.Displacement.cm, Results.Stress.MPa);
// Select the results to extract
var resultTypes = new List <Results.ResultType>
{
Results.ResultType.PointSupportReaction,
Results.ResultType.NodalDisplacement
};
var bscPathsFromResultTypes = Calculate.Bsc.BscPathFromResultTypes(resultTypes, fileName, units);
#endregion
#region ANALYSIS
// Running the analysis
FemDesign.Calculate.Analysis analysisSettings = new FemDesign.Calculate.Analysis(null, null, null, null, calcCase: true, false, false, calcComb: true, false, false, false, false, false, false, false, false, false);
var fdScript = FemDesign.Calculate.FdScript.Analysis(fileName, analysisSettings, bscPathsFromResultTypes, null, true);
var app = new FemDesign.Calculate.Application();
app.RunFdScript(fdScript, false, true);
model.SerializeModel(fileName);
// Read model and results
model = Model.DeserializeFromFilePath(fdScript.StruxmlPath);
#endregion
#region EXTRACT RESULTS
IEnumerable <Results.IResult> results = Enumerable.Empty <Results.IResult>();
foreach (var cmd in fdScript.CmdListGen)
{
string path = cmd.OutFile;
var _results = Results.ResultsReader.Parse(path);
results = results.Concat(_results);
}
#endregion
#region DO SOMETHING WITH RESULTS
// Display Results on Screen
// The results are grouped by their type
var resultGroups = results.GroupBy(t => t.GetType()).ToList();
foreach (var resultGroup in resultGroups)
{
Console.WriteLine(resultGroup.Key.Name);
Console.WriteLine();
foreach (var result in resultGroup)
{
Console.WriteLine(result);
}
Console.WriteLine();
Console.WriteLine();
}
// Select a specific result
Console.WriteLine("Vertical Reaction Forces");
var zReactions = results.Where(t => t.GetType() == typeof(Results.PointSupportReaction)).Cast <Results.PointSupportReaction>();
foreach (var zReaction in zReactions)
{
Console.WriteLine($"Node {zReaction.Id}: {zReaction.Fz} {units.Force}");
}
#endregion
// ENDING THE PROGRAM
Console.WriteLine("\nPress any key to close console.");
Console.ReadKey();
}
static void Main()
{
// PRACTICAL EXAMPLE: MESH SIZE CONVERGENCE STUDY
// In this example, we will analyse the mesh size convergence for a model, to allow for
// an optimal analysis setting. The program will output files to \bin\Debug\Output.
// This example was last updated 2022-04-27, using the ver. 21.1.0 FEM-Design API.
// INPUTS:
// All inputs used in the program.
string modelPath = "Model with labelled sections.struxml";
double maxAllowedDeviation = 0.02;
string labeledSectionIdentifier = "LS.1";
List <double> meshSizes = new List <double> {
2.0, 1.0, 0.5, 0.25, 0.15, 0.10
};
int forceIdIndex = 2;
// The force index stem from the .bsc file made from FEM-Design, where they are ordered like this:
// ID Mx' My' Mx'y' Nx' Ny' Nx'y' Tx'z' Ty'z' Comb.
// Index [2] [3] [4] [5] [6] [7] [8] [9] [10]
// PREPARATIONS:
// Some setup necessary to run the analysis and save the results.
string fileName = Path.GetFileName(modelPath);
FemDesign.Calculate.Analysis analysisSettings = new FemDesign.Calculate.Analysis(null, null, null, null, calcCase: true, false, false, calcComb: true, false, false, false, false, false, false, false, false, false);
Model model = Model.DeserializeFromFilePath(modelPath);
Dictionary <double, List <double> > allForces = new Dictionary <double, List <double> >()
{
};
// RUNNING THE ANALYSIS FOR EACH MESH SIZE
foreach (double size in meshSizes)
{
model.Entities.Slabs[0].SlabPart.MeshSize = size;
// Serializing new model
string currentPath = Path.GetFullPath(Path.Combine(fileName.Replace(".struxml", $"_{size.ToString(System.Globalization.CultureInfo.InvariantCulture)}.struxml")));
model.SerializeModel(currentPath);
// Readying the .bsc script
string bscPath = Path.Combine(fileName.Replace(".struxml", $" - LabelledSectionsInternalForcesLoadCombination.bsc"));
var bsc = new FemDesign.Calculate.Bsc(FemDesign.Calculate.ListProc.LabelledSectionsInternalForcesLoadCombination, bscPath);
// Running the analysis
FemDesign.Calculate.FdScript fdScript = FemDesign.Calculate.FdScript.Analysis(currentPath, analysisSettings, new List <string> {
bsc
}, null, true);
var app = new FemDesign.Calculate.Application();
app.RunFdScript(fdScript, false, true, true);
// Preprarations
//string csvPath = bscPath.Replace(".bsc", ".csv");
string csvPath = fdScript.CmdListGen[0].OutFile;
List <double> currentForces = new List <double>();
List <string> L = new List <string>();
// Reading results
using (var reader = new StreamReader(csvPath))
{
while (!reader.EndOfStream)
{
var line = reader.ReadLine();
var values = line.Split('\t');
if (values[0] == labeledSectionIdentifier)
{
L.Add(values[1]);
currentForces.Add(double.Parse(values[forceIdIndex], System.Globalization.CultureInfo.InvariantCulture));
}
}
}
// Printing results
Console.WriteLine($"\nMesh size: {size:##0.00}\n" + $"{"x:",6} | {"Mx':",6}");
Console.WriteLine($"{"[m]",6} | {"[kNm/m]",6}");
for (int i = 0; i < currentForces.Count; i++)
{
Console.WriteLine($"{L[i],6:##0.0} | {currentForces[i]/1000,6:##0.0}");
}
allForces.Add(size, currentForces);
}
// PREPARATIONS
// Variables needed for the convergence calculation.
int counter = 0;
string critMet = "false";
List <double> totalForce = new List <double>();
List <double> previousForces = new List <double>();
List <double> totalDeviation = new List <double>();
List <double> deviationCalculation = new List <double>();
List <double> deviationPercentage = new List <double>();
// Results header
Console.WriteLine("\nRESULTS:");
Console.WriteLine($"{"Mesh size", 10} | {"Mx' tot.",10} | {"Dev.tot.",10} | {"Dev %",10} | Meets crit.");
Console.WriteLine($"{"[m]",10} | {"[kNm/m]",10} | {"[kNm/m]",10} | {"[-]",10} | {"[-]",10}");
// CONVERGENCE CALCULATION LOOP
foreach (var forcesList in allForces)
{
// Calculate deviation between last and current forces
if (counter > 0)
{
for (int i = 0; i < forcesList.Value.Count; i++)
{
deviationCalculation.Add(Math.Abs(forcesList.Value[i] - previousForces[i]));
}
totalDeviation.Add(deviationCalculation.Sum());
deviationCalculation.Clear();
}
else
{
totalDeviation.Add(0.000);
}
// Calculate the relation between the force and deviation totals
totalForce.Add(forcesList.Value.Sum());
deviationPercentage.Add(totalDeviation[counter] / totalForce[counter]);
// Check if our criteria is met
if (counter > 0 & deviationPercentage[counter] <= maxAllowedDeviation)
{
critMet = "true";
}
// Display results
Console.WriteLine($"{forcesList.Key,10} | {totalForce[counter] / 1000,10:##0.0} | {totalDeviation[counter] / 1000,10:##0.0} | {deviationPercentage[counter]*100,10:##0.0} | {critMet, 10}");
// Setup for next loop
previousForces.Clear();
previousForces.AddRange(forcesList.Value);
counter++;
}
// ENDING THE PROGRAM
Console.WriteLine("\nPress any key to close console.");
Console.ReadKey();
}
protected override void SolveInstance(IGH_DataAccess DA)
{
// Get input
string filePath = null;
List <string> resultTypes = new List <string>();
Results.FDfea fdFeaModel = null;
DA.GetData("StrPath", ref filePath);
if (filePath == null)
{
return;
}
DA.GetDataList("ResultTypes", resultTypes);
bool runNode = true;
if (!DA.GetData("RunNode", ref runNode))
{
// pass
}
// Units
var units = Results.UnitResults.Default();
DA.GetData("Units", ref units);
// RunNode
if (runNode)
{
// It needs to check if model has been runned
// Always Return the FeaNode Result
resultTypes.Insert(0, "FeaNode");
resultTypes.Insert(1, "FeaBar");
resultTypes.Insert(2, "FeaShell");
var _resultTypes = resultTypes.Select(r => GenericClasses.EnumParser.Parse <Results.ResultType>(r));
// Create Bsc files from resultTypes
var bscPathsFromResultTypes = Calculate.Bsc.BscPathFromResultTypes(_resultTypes, filePath, units);
// Create FdScript
var fdScript = FemDesign.Calculate.FdScript.ReadStr(filePath, bscPathsFromResultTypes);
// Run FdScript
var app = new FemDesign.Calculate.Application();
bool hasExited = app.RunFdScript(fdScript, false, true, false);
// Read model and results
var model = Model.DeserializeFromFilePath(fdScript.StruxmlPath);
IEnumerable <Results.IResult> results = Enumerable.Empty <Results.IResult>();
List <Results.FeaNode> feaNodeRes = new List <Results.FeaNode>();
List <Results.FeaBar> feaBarRes = new List <Results.FeaBar>();
List <Results.FeaShell> feaShellRes = new List <Results.FeaShell>();
if (resultTypes != null && resultTypes.Any())
{
foreach (var cmd in fdScript.CmdListGen)
{
string path = cmd.OutFile;
try
{
if (path.Contains("FeaNode"))
{
feaNodeRes = Results.ResultsReader.Parse(path).Cast <Results.FeaNode>().ToList();
}
else if (path.Contains("FeaBar"))
{
feaBarRes = Results.ResultsReader.Parse(path).Cast <Results.FeaBar>().ToList();
}
else if (path.Contains("FeaShell"))
{
feaShellRes = Results.ResultsReader.Parse(path).Cast <Results.FeaShell>().ToList();
}
else
{
var _results = Results.ResultsReader.Parse(path);
results = results.Concat(_results);
}
}
catch (Exception e)
{
throw new Exception(e.InnerException.Message);
}
}
}
fdFeaModel = new FemDesign.Results.FDfea(feaNodeRes, feaBarRes, feaShellRes);
var resultGroups = results.GroupBy(t => t.GetType()).ToList();
// Convert Data in DataTree structure
var resultsTree = new DataTree <object>();
var i = 0;
foreach (var resGroup in resultGroups)
{
resultsTree.AddRange(resGroup.AsEnumerable(), new GH_Path(i));
i++;
}
// Set output
DA.SetData("FdModel", model);
DA.SetData("FdFeaModel", fdFeaModel);
DA.SetDataTree(2, resultsTree);
}
else
{
this.AddRuntimeMessage(GH_RuntimeMessageLevel.Warning, "RunNode is set to false!");
}
}
public static Dictionary <string, object> ReadStr(string strPath, List <Results.ResultType> resultTypes, Results.UnitResults units)
{
Results.FDfea fdFeaModel = null;
// It needs to check if model has been runned
// Always Return the FeaNode Result
resultTypes.Insert(0, Results.ResultType.FeaNode);
resultTypes.Insert(1, Results.ResultType.FeaBar);
resultTypes.Insert(2, Results.ResultType.FeaShell);
// Create Bsc files from resultTypes
var bscPathsFromResultTypes = Calculate.Bsc.BscPathFromResultTypes(resultTypes, strPath, units);
// Create FdScript
var fdScript = FemDesign.Calculate.FdScript.ReadStr(strPath, bscPathsFromResultTypes);
// Run FdScript
var app = new FemDesign.Calculate.Application();
bool hasExited = app.RunFdScript(fdScript, false, true, false);
// Read model and results
var model = Model.DeserializeFromFilePath(fdScript.StruxmlPath);
IEnumerable <Results.IResult> results = Enumerable.Empty <Results.IResult>();
List <Results.FeaNode> feaNodeRes = new List <Results.FeaNode>();
List <Results.FeaBar> feaBarRes = new List <Results.FeaBar>();
List <Results.FeaShell> feaShellRes = new List <Results.FeaShell>();
if (resultTypes != null && resultTypes.Any())
{
foreach (var cmd in fdScript.CmdListGen)
{
string path = cmd.OutFile;
try
{
if (path.Contains("FeaNode"))
{
feaNodeRes = Results.ResultsReader.Parse(path).Cast <Results.FeaNode>().ToList();
}
else if (path.Contains("FeaBar"))
{
feaBarRes = Results.ResultsReader.Parse(path).Cast <Results.FeaBar>().ToList();
}
else if (path.Contains("FeaShell"))
{
feaShellRes = Results.ResultsReader.Parse(path).Cast <Results.FeaShell>().ToList();
}
else
{
var _results = Results.ResultsReader.Parse(path);
results = results.Concat(_results);
}
}
catch (Exception e)
{
throw new Exception(e.InnerException.Message);
}
}
}
fdFeaModel = new FemDesign.Results.FDfea(feaNodeRes, feaBarRes, feaShellRes);
var resultGroups = results.GroupBy(t => t.GetType()).ToList();
// Convert Data in DataTree structure
var resultsTree = new List <List <Results.IResult> >();
var i = 0;
foreach (var resGroup in resultGroups)
{
resultsTree.Add(resGroup.ToList());
i++;
}
// Output
return(new Dictionary <string, object>
{
{ "Model", model },
{ "FdFeaModel", fdFeaModel },
{ "Results", results }
});
}
