/// <summary>
/// Example explaining how to use force modification for beam:
/// additonal minimum bending moment over support M=0.1*Mmax in ULS
/// </summary>
/// <param name="obj">cref="BeamElement" object or cref="ColumnElement" object.</param>
private void ModifySupportForces(ObjectDataBase obj)
{
BeamElement elem = obj as BeamElement;
double maximumM = Double.MinValue;
double maximumL = Double.MinValue;
double minimumL = Double.MaxValue;
int beginIndexSupport = -1;
int endIndexSupport = -1;
int index = 0;
bool isMaximumM = false;
foreach (SectionDataBase sd in elem.ListSectionData)
{
BeamSection sec = sd as BeamSection;
CalcPointLinear calcPoint = sec.CalcPoint as CalcPointLinear;
if (calcPoint != null)
{
if (maximumL < calcPoint.CoordRelative)
{
maximumL = calcPoint.CoordRelative;
endIndexSupport = index;
}
if (minimumL > calcPoint.CoordRelative)
{
minimumL = calcPoint.CoordRelative;
beginIndexSupport = index;
}
}
if (sec != null)
{
foreach (InternalForcesBase forces in sec.ListInternalForces)
{
InternalForcesLinear f = forces as InternalForcesLinear;
if (f != null)
{
if (f.Forces.LimitState == ForceLimitState.Uls)
{
if (maximumM < f.Forces.MomentMy)
{
maximumM = f.Forces.MomentMy;
isMaximumM = true;
}
}
}
}
}
index++;
}
if (isMaximumM)
{
if (beginIndexSupport > -1)
{
BeamSection bs = elem.ListSectionData[beginIndexSupport] as BeamSection;
if (bs != null)
{
InternalForcesLinear f = new InternalForcesLinear();
f.Forces.LimitState = ForceLimitState.Uls;
f.Forces.MomentMy = 0.1 * maximumM;
bs.ListInternalForces.Add(f);
}
}
if (endIndexSupport > -1)
{
BeamSection bs = elem.ListSectionData[endIndexSupport] as BeamSection;
if (bs != null)
{
InternalForcesLinear f = new InternalForcesLinear();
f.Forces.LimitState = ForceLimitState.Uls;
f.Forces.MomentMy = 0.1 * maximumM;
bs.ListInternalForces.Add(f);
}
}
}
}
/// <summary>
/// Gives possibility to read data from Revit data base and puts them into user element's objects and into user section's objects and into user common parameters.
/// </summary>
/// <param name="listElementData">List of user element objects.</param>
/// <param name="parameters">User common parameters.</param>
/// <param name="data">Acces to cref="ServiceData".</param>
public void ReadFromRevitDB(List <ObjectDataBase> listElementData, CommonParametersBase parameters, Autodesk.Revit.DB.CodeChecking.ServiceData data)
{
// read additional information from Revit data and store them in user objects derived from ElementDataBase and listed in listElementData
Autodesk.Revit.DB.CodeChecking.NotificationService.ProgressStart(Resources.ResourceManager.GetString("ReadingGeometry"), listElementData.Count);
ElementAnalyser elementAnalyser = new ElementAnalyser(GetInputDataUnitSystem());
int step = 0;
foreach (ObjectDataBase elemData in listElementData)
{
Element element = data.Document.GetElement(elemData.ElementId);
if (element != null)
{
switch (elemData.Category)
{
default:
break;
case Autodesk.Revit.DB.BuiltInCategory.OST_ColumnAnalytical:
{
ColumnElement elem = elemData as ColumnElement;
if (elem != null && !elem.Status.IsError())
{
elem.Info = elementAnalyser.Analyse(element);
if (elem.Info.Material.Characteristics.YoungModulus.X < Double.Epsilon)
{
elem.Status.AddError(Resources.ResourceManager.GetString("ErrYoungModulus"));
}
MaterialConcreteCharacteristics concrete = (MaterialConcreteCharacteristics)elem.Info.Material.Characteristics.Specific;
if (concrete == null || concrete.Compression < Double.Epsilon)
{
elem.Status.AddError(Resources.ResourceManager.GetString("ErrConcreteCompression"));
}
foreach (SectionDataBase sectionDataBase in elem.ListSectionData)
{
ColumnSection sec = sectionDataBase as ColumnSection;
if (sec != null)
{
sec.Info = elem.Info;
}
}
}
break;
}
case Autodesk.Revit.DB.BuiltInCategory.OST_BeamAnalytical:
{
BeamElement elem = elemData as BeamElement;
if (elem != null && !elem.Status.IsError())
{
elementAnalyser.TSectionAnalysis = false;
LabelBeam labelBeam = elem.Label as LabelBeam;
if (labelBeam != null)
{
elementAnalyser.TSectionAnalysis = labelBeam.SlabBeamInteraction == BeamSectionType.WithSlabBeamInteraction;
}
elem.Info = elementAnalyser.Analyse(element);
if (elem.Info.Material.Characteristics.YoungModulus.X < Double.Epsilon)
{
elem.Status.AddError(Resources.ResourceManager.GetString("ErrYoungModulus"));
}
MaterialConcreteCharacteristics concrete = (MaterialConcreteCharacteristics)elem.Info.Material.Characteristics.Specific;
if (concrete == null || concrete.Compression < Double.Epsilon)
{
elem.Status.AddError(Resources.ResourceManager.GetString("ErrConcreteCompression"));
}
foreach (SectionDataBase sectionDataBase in elem.ListSectionData)
{
BeamSection sec = sectionDataBase as BeamSection;
if (sec != null)
{
sec.Info = elem.Info;
}
}
}
break;
}
}
}
Autodesk.Revit.DB.CodeChecking.NotificationService.ProgressStep(string.Format("{0:d}%", ++step * 100 / listElementData.Count));
if (NotificationService.ProgressBreakInvoked())
{
break;
}
}
}
/// <summary>
/// Runs calculation\operations for cref="BeamElement".
/// </summary>
/// <param name="obj">cref="BeamElement".</param>
/// <returns>Result of calculation.</returns>
public bool Run(ObjectDataBase obj)
{
ElementDataBase elementData = obj as ElementDataBase;
if (obj != null)
{
BeamElement objBeam = obj as BeamElement;
if (objBeam != null)
{
CodeCheckingConcreteExample.Main.ResultBeam res = elementData.Result as CodeCheckingConcreteExample.Main.ResultBeam;
if (res != null)
{
double young = objBeam.Info.Material.Characteristics.YoungModulus.X;
double maxCoef = 0;
double stifCoef = 0.0;
double avrCoef = 0.0;
int sectionNo = 0;
foreach (SectionDataBase sd in elementData.ListSectionData)
{
BeamSection sec = sd as BeamSection;
if (sec != null)
{
if (sec.MinStiffness > Double.Epsilon)
{
CalcPointLinear calcPoint = sec.CalcPoint as CalcPointLinear;
double Iy = sec.Info.SectionsParams.AtThePoint(calcPoint.CoordRelative).Characteristics.Iy;
stifCoef = (Iy * young) / sec.MinStiffness;
}
else
{
stifCoef = 0;
break;
}
++sectionNo;
maxCoef = Math.Max(maxCoef, stifCoef);
avrCoef += stifCoef;
}
}
double finStiffnes = 0;
if (stifCoef > Double.Epsilon)
{
avrCoef /= sectionNo;
finStiffnes = 0.5 * (maxCoef + avrCoef);
}
else
{
objBeam.AddFormatedWarning(new ResultStatusMessage("Calculation of deflections was not performed."));
}
foreach (SectionDataBase sd in elementData.ListSectionData)
{
BeamSection sec = sd as BeamSection;
if (sec != null)
{
sec.StiffnesCoeff = finStiffnes;
}
}
}
}
}
return(true);
}
