public UniformLoadForPlanarElements(double ux, double uy, double uz, LoadCase lc)
: base(lc)
{
_ux = ux;
_uy = uy;
_uz = uz;
}
/// <summary>
/// Gets the total displacement vector for whole structure for specified <see cref="cse"/>
/// </summary>
/// <param name="cse">The cse.</param>
/// <param name="map">The map.</param>
/// <remarks>
/// This is not used for finding unknown displacements (like displacement of free DoFs).
/// Just is used for known displacements (like settlements and only for settlement).
/// </remarks>
/// <returns></returns>
private double[] GetTotalDispVector(LoadCase cse, DofMappingManager map)
{
//displacement vector. free part can be assume zero however didn't touch that
var n = parent.Nodes.Count;
var buf = new double[6 * n];
if (parent.SettlementLoadCase != cse)
{
return(buf);
}
var nodes = parent.Nodes;
for (var i = 0; i < n; i++)
{
var disp = nodes[i].Settlements;
buf[6 * i + 0] = disp.DX;
buf[6 * i + 1] = disp.DY;
buf[6 * i + 2] = disp.DZ;
buf[6 * i + 3] = disp.RX;
buf[6 * i + 4] = disp.RY;
buf[6 * i + 5] = disp.RZ;
}
return(buf);
}
/// <summary>
/// Gets the nodal displacement regarding defined load case
/// </summary>
/// <param name="cse">load case</param>
/// <returns></returns>
public Displacement GetNodalDisplacement(LoadCase cse)
{
parent.LastResult.AddAnalysisResultIfNotExists(cse);
var disps = parent.LastResult.Displacements[cse];
var buf = Displacement.FromVector(disps, this.Index * 6);
return(buf);
}
/// <summary>
/// Gets the total elements equivalent nodal force vector.
/// </summary>
/// <param name="cse">The load case.</param>
/// <param name="map">The map.</param>
/// <returns></returns>
private double[] GetTotalElementsForceVector(LoadCase cse)
{
//force vector for both free and fixed dof
var n = parent.Nodes.Count;
var loads = new Force[n]; //loads from connected element to node is stored in this array instead of Node.ElementLoads.
for (int i = 0; i < n; i++) //re indexing
{
parent.Nodes[i].Index = i;
}
#region adding element loads
foreach (var elm in parent.Elements)
{
var nc = elm.Nodes.Length;
foreach (var ld in elm.Loads)
{
if (ld.Case != cse)
{
continue;
}
var frcs =
elm.GetGlobalEquivalentNodalLoads(ld);
//ld.GetGlobalEquivalentNodalLoads(elm);
for (var i = 0; i < nc; i++)
{
var nde = elm.Nodes[i];
loads[nde.Index] += frcs[i];
}
}
}
#endregion
var buf = new double[6 * n];
for (int i = 0; i < n; i++)
{
var force = loads[i];
buf[6 * i + 0] = force.Fx;
buf[6 * i + 1] = force.Fy;
buf[6 * i + 2] = force.Fz;
buf[6 * i + 3] = force.Mx;
buf[6 * i + 4] = force.My;
buf[6 * i + 5] = force.Mz;
}
return(buf);
}
public static int[] GetMasterMapping(Model model, LoadCase cse, out bool[] hinged)
{
for (int i = 0; i < model.Nodes.Count; i++)
{
model.Nodes[i].Index = i;
}
var n = model.Nodes.Count;
var masters = new int[n];
hinged = new bool[n];
for (var i = 0; i < n; i++)
{
masters[i] = i;
}
var masterCount = 0;
#region filling the masters
var distinctElements = GetDistinctRigidElements(model, cse);
var centralNodePrefreation = new bool[n];
foreach (var elm in model.RigidElements)
{
if (elm.CentralNode != null)
{
centralNodePrefreation[elm.CentralNode.Index] = true;
}
}
foreach (var elm in distinctElements)
{
if (elm.Count == 0)
{
continue;
}
var elmMasterIndex = GetMasterNodeIndex(model, elm, centralNodePrefreation);
for (var i = 0; i < elm.Count; i++)
{
masters[elm[i]] = elmMasterIndex;
}
}
#endregion
return(masters);
}
private Model(SerializationInfo info, StreamingContext context)
{
elements = (ElementCollection)info.GetValue("elements", typeof(ElementCollection));
mpcElements = (MpcElementCollection)info.GetValue("mpcElements", typeof(MpcElementCollection));
rigidElements = (RigidElementCollection)info.GetValue("rigidElements", typeof(RigidElementCollection));
telepathyLinks = (TelepathyLinkCollection)info.GetValue("telepathyLinks", typeof(TelepathyLinkCollection));
nodes = (NodeCollection)info.GetValue("nodes", typeof(NodeCollection));
settlementLoadCase = (LoadCase)info.GetValue("settlementLoadCase", typeof(LoadCase));
}
public static CCS GetReducedFreeFreeStiffnessMatrix(this Model model,
LoadCase lc)
{
var fullst = MatrixAssemblerUtil.AssembleFullStiffnessMatrix(model);
var mgr = DofMappingManager.Create(model, lc);
var dvd = CalcUtil.GetReducedZoneDividedMatrix(fullst, mgr);
return(dvd.ReleasedReleasedPart);
}
/// Gets the sum of external applying forces (including exnternal nodal loads + Equivalent nodal loads of elemental loads)
/// </summary>
/// <param name="loadCase">the load case</param>
/// <returns></returns>
public Force GetTotalApplyingForces(LoadCase loadCase)
{
parent.LastResult.AddAnalysisResultIfNotExists(loadCase);
var cs = Force.FromVector(parent.LastResult.ConcentratedForces[loadCase], 6 * Index);
var es = Force.FromVector(parent.LastResult.ElementForces[loadCase], 6 * Index);
var buf = -cs - es;
return(buf);
}
/// <summary>
/// Determines whether the <see cref="Model"/> Needs the permutation for defined <see cref="loadCase"/> or not. (i.e. should model consider any <see cref="RigidElement"/> while analyzing the <see cref="loadCase"/> or not.)
/// </summary>
/// <param name="model">The model.</param>
/// <param name="loadCase">The load case.</param>
/// <returns>true, if need to consider any <see cref="RigidElement"/>; false, otherwise</returns>
public static bool NeedPermutation(Model model, LoadCase loadCase)
{
foreach (var elm in model.RigidElements)
{
if (IsAppliableRigidElement(elm, loadCase))
{
return(true);
}
}
return(false);
}
/// <summary>
/// Gets the sum of external forces (including support reaction + exnternal nodal loads + Equivalent nodal loads of elemental loads)
/// </summary>
/// <param name="loadCase">the load case</param>
/// <returns></returns>
public Force GetTotalExternalForces(LoadCase loadCase)
{
parent.LastResult.AddAnalysisResultIfNotExists(loadCase);
var cs = Force.FromVector(parent.LastResult.ConcentratedForces[loadCase], 6 * Index);
var es = Force.FromVector(parent.LastResult.ElementForces[loadCase], 6 * Index);
var ss = Force.FromVector(parent.LastResult.SupportReactions[loadCase], 6 * Index);
var buf = ss - cs - es;
return(buf);
}
public void AddAnalysisResultIfNotExists_MPC(LoadCase cse)
{
var f1 = _displacements.ContainsKey(cse);
var f2 = _forces.ContainsKey(cse);
if (f1 || f2)
{
return;
}
AddAnalysisResult_MPC(cse);
}
protected Model(SerializationInfo info, StreamingContext context)
{
Elements = (ElementCollection)info.GetValue("elements", typeof(ElementCollection));
MpcElements = (MpcElementCollection)info.GetValue("mpcElements", typeof(MpcElementCollection));
rigidElements = (RigidElementCollection)info.GetValue("rigidElements", typeof(RigidElementCollection));
//telepathyLinks = (TelepathyLinkCollection)info.GetValue("telepathyLinks", typeof(TelepathyLinkCollection));
Nodes = (NodeCollection)info.GetValue("nodes", typeof(NodeCollection));
settlementLoadCase = (LoadCase)info.GetValue("settlementLoadCase", typeof(LoadCase));
InitPool();
}
/// <summary>
/// Gets the nodal displacement regarding defined load case
/// </summary>
/// <param name="cse">load case</param>
/// <returns></returns>
internal void SetNodalDisplacement(LoadCase cse, Displacement disp)
{
if (parent.LastResult == null)
{
throw new Exception();
}
var disps = parent.LastResult.Displacements[cse];
var vect = Displacement.ToVector(disp);
Array.Copy(vect, 0, disps, this.Index * 6, 6);
}
/// <summary>
/// Gets the total displacements with specified <see cref="loadCase"/>
/// </summary>
/// <param name="loadCase">the load case</param>
/// <returns></returns>
public Displacement GetTotalSettlementAmount(LoadCase loadCase)
{
var buf = new Displacement();
foreach (var st in settlements)
{
if (st.LoadCase == loadCase)
{
buf += st.Displacement;
}
}
return(buf);
}
/// <summary>
/// Analyses the stiffness matrix for warnings.
/// </summary>
/// <param name="mtx">The MTX.</param>
/// <param name="map">The map.</param>
/// <param name="currentCase">The current load case which error is with it.</param>
/// <remarks>
/// Only searches for zero elements on matrix diagonal
/// </remarks>
private void AnalyseStiffnessMatrixForWarnings(ZoneDevidedMatrix mtx, DofMappingManager map,
LoadCase currentCase)
{
var cs = mtx.ReleasedReleasedPart;
var n = cs.ColumnCount;
var t = new bool[n]; //true if i'th diagonal member nonzero, false if diagonal member zero!
for (var i = 0; i < n; i++)
{
var st = cs.ColumnPointers[i];
var en = cs.ColumnPointers[i + 1];
var col = i;
for (var j = st; j < en; j++)
{
var row = cs.RowIndices[j];
//var val = cs.Values[j];
if (row == col)
{
t[row] = true;
}
}
}
for (var i = 0; i < n; i++)
{
if (t[i])
{
continue;
}
var globalDofNum = map.RMap1[map.RMap2[i]];
var nodeNum = globalDofNum / 6;
var dof = (DoF)(globalDofNum % 6);
var rec = TraceRecords.GetRecord(30000, parent.Nodes[nodeNum].Label);
rec.TargetIdentifier = string.Format(
"{0} DoF on node #{1} for load case with [name = '{2}'] and [nature = {3}]", dof, nodeNum,
currentCase.CaseName, currentCase.LoadType);
parent.Trace.Write(rec);
}
}
/// <summary>
/// Gets the total concentrated forces on loads vector.
/// </summary>
/// <param name="cse">The load case.</param>
/// <param name="map">The map.</param>
/// <returns></returns>
private double[] GetTotalConcentratedForceVector(LoadCase cse)
{
//force vector for both free and fixed dof
var n = parent.Nodes.Count;
var loads = new Force[n]; //loads from connected element to node is stored in this array instead of Node.ElementLoads.
for (int i = 0; i < n; i++) //re indexing
{
parent.Nodes[i].Index = i;
}
#region adding concentrated nodal loads
for (int i = 0; i < n; i++)
{
foreach (var load in parent.Nodes[i].Loads)
{
if (load.Case != cse)
{
continue;
}
loads[parent.Nodes[i].Index] += load.Force;
}
}
#endregion
var buf = new double[6 * n];
for (int i = 0; i < n; i++)
{
var force = loads[i];
buf[6 * i + 0] = force.Fx;
buf[6 * i + 1] = force.Fy;
buf[6 * i + 2] = force.Fz;
buf[6 * i + 3] = force.Mx;
buf[6 * i + 4] = force.My;
buf[6 * i + 5] = force.Mz;
}
return(buf);
}
/// <summary>
/// Generates the permutation for delta for specified model in specified loadCase.
/// Note that delta permutation = P_delta in reduction process
/// </summary>
/// <param name="target">The target.</param>
/// <param name="loadCase">The load case.</param>
/// <returns>delta permutation</returns>
public static CCS GenerateP_Delta(Model target, LoadCase loadCase)
{
throw new NotImplementedException();
target.ReIndexNodes();
var buf = new CoordinateStorage <double>(target.Nodes.Count * 6, target.Nodes.Count * 6, 1);
#region rigid elements
foreach (var elm in target.RigidElements)
{
var centralNode = elm.Nodes[0];
var masterIdx = centralNode.Index;
for (var i = 1; i < elm.Nodes.Count; i++)
{
var slaveIdx = elm.Nodes[i].Index;
var d = centralNode.Location - elm.Nodes[i].Location;
//buf[0, 4] = -(buf[1, 3] = d.Z);
//buf[2, 3] = -(buf[0, 5] = d.Y);
//buf[1, 5] = -(buf[2, 4] = d.X);
buf.At(6 * slaveIdx + 0, 6 * masterIdx + 0, 1);
buf.At(6 * slaveIdx + 1, 6 * masterIdx + 1, 1);
buf.At(6 * slaveIdx + 2, 6 * masterIdx + 2, 1);
buf.At(6 * slaveIdx + 1, 6 * masterIdx + 3, d.Z);
buf.At(6 * slaveIdx + 0, 6 * masterIdx + 4, -d.Z);
buf.At(6 * slaveIdx + 0, 6 * masterIdx + 5, d.Y);
buf.At(6 * slaveIdx + 2, 6 * masterIdx + 3, -d.Y); //
buf.At(6 * slaveIdx + 2, 6 * masterIdx + 4, d.X); //
buf.At(6 * slaveIdx + 1, 6 * masterIdx + 5, -d.X);
}
//add to buf
}
#endregion
throw new NotImplementedException();
return(buf.ToCCs());
}
/// <summary>
/// Adds the analysis result if not exists.
/// </summary>
/// <param name="cse">The load case.</param>
/// <remarks>If current instance do not contains the results related to <see cref="cse"/>, then this method will add result related to <see cref="cse"/> using <see cref="StaticLinearAnalysisResult.AddAnalResult"/> method</remarks>
public void AddAnalysisResultIfNotExists(LoadCase cse)
{
var f1 = displacements.ContainsKey(cse);
var f2 = forces.ContainsKey(cse);
if (f1 != f2)
{
throw new Exception("!");
}
if (f1)
{
return;
}
AddAnalysisResult(cse);
}
/// <summary>
/// Gets the supports reaction that is from load cse which are applying to this <see cref="Node"/> from supports.
/// </summary>
/// <param name="cse">The loadCase.</param>
/// <returns></returns>
public Force GetSupportReaction(LoadCase cse)
{
if (constraints == Constraint.Released)
{
return(new Force());
}
parent.LastResult.AddAnalysisResultIfNotExists(cse);
var cs = Force.FromVector(parent.LastResult.ConcentratedForces[cse], 6 * Index);
var es = Force.FromVector(parent.LastResult.ElementForces[cse], 6 * Index);
var ss = Force.FromVector(parent.LastResult.SupportReactions[cse], 6 * Index);
var buf = ss - cs - es;
if (constraints.DX == DofConstraint.Released)
{
buf.Fx = 0;
}
if (constraints.DY == DofConstraint.Released)
{
buf.Fy = 0;
}
if (constraints.DZ == DofConstraint.Released)
{
buf.Fz = 0;
}
if (constraints.RX == DofConstraint.Released)
{
buf.Mx = 0;
}
if (constraints.RY == DofConstraint.Released)
{
buf.My = 0;
}
if (constraints.RZ == DofConstraint.Released)
{
buf.Mz = 0;
}
return(buf);
}
public static bool IsInStaticEquilibrium(StaticLinearAnalysisResult res, LoadCase cse)
{
var allForces = new Force[res.Parent.Nodes.Count];
var forceVec = res.Forces[cse];
for (int i = 0; i < allForces.Length; i++)
{
var force = Force.FromVector(forceVec, 6 * i);
allForces[i] = force;
}
var ft = allForces.Select((i, j) => i.Move(res.Parent.Nodes[j].Location, new Point())).Sum();
throw new NotImplementedException();
}
private static bool IsAppliableRigidElement(RigidElement elm, LoadCase loadCase)
{
if (elm.UseForAllLoads)
{
return(true);
}
if (elm.AppliedLoadTypes.Contains(loadCase.LoadType))
{
return(true);
}
if (elm.AppliedLoadCases.Contains(loadCase))
{
return(true);
}
return(false);
}
public bool AppliesForLoadCase(LoadCase lc)
{
if (_useForAllLoads)
{
return(true);
}
if (AppliedLoadCases.Contains(lc))
{
return(true);
}
if (_appliedLoadTypes.Contains(lc.LoadType))
{
return(true);
}
return(false);
}
private static List <List <int> > GetDistinctRigidElements(Model model, LoadCase loadCase)
{
for (int i = 0; i < model.Nodes.Count; i++)
{
model.Nodes[i].Index = i;
}
var n = model.Nodes.Count;
var ecrd = new CoordinateStorage <double>(n, n, 1); //for storing existence of rigid elements
var crd = new CoordinateStorage <double>(n, n, 1); //for storing hinged connection of rigid elements
for (int ii = 0; ii < model.RigidElements.Count; ii++)
{
var elm = model.RigidElements[ii];
if (IsAppliableRigidElement(elm, loadCase))
{
for (var i = 0; i < elm.Nodes.Count; i++)
{
ecrd.At(elm.Nodes[i].Index, elm.Nodes[i].Index, 1.0);
}
for (var i = 0; i < elm.Nodes.Count - 1; i++)
{
ecrd.At(elm.Nodes[i].Index, elm.Nodes[i + 1].Index, 1.0);
ecrd.At(elm.Nodes[i + 1].Index, elm.Nodes[i].Index, 1.0);
}
}
}
var graph = Converter.ToCompressedColumnStorage(ecrd);
var buf = CalcUtil.EnumerateGraphParts(graph);
return(buf);
}
/// <summary>
/// Determines whether the specified <see cref="rigidElement"/> should be considered with defined <see cref="loadCase"/> or not.
/// </summary>
/// <param name="rigidElement">The rigidElement.</param>
/// <param name="loadCase">The load case.</param>
/// <returns></returns>
private static bool IsAppliableRigidElement(RigidElement rigidElement, LoadCase loadCase)
{
return(true);
if (rigidElement.UseForAllLoads)
{
return(true);
}
foreach (var lCase in rigidElement.AppliedLoadCases)
{
if (lCase.LoadType == loadCase.LoadType)
{
return(true);
}
if (lCase.Equals(loadCase))
{
return(true);
}
}
return(false);
}
/// <summary>
/// Initializes a new instance of the <see cref="LoadCase"/> struct.
/// </summary>
/// <param name="loadCase">load case of settlement.</param>
/// <param name="displacement">amount of settlement.</param>
public Settlement(LoadCase loadCase, Displacement displacement)
{
this.loadCase = loadCase;
this.displacement = displacement;
}
/// <summary>
/// Initializes a new instance of the <see cref="LoadCase"/> struct. for ISerialable.
/// </summary>
/// <param name="info">The information.</param>
/// <param name="context">The context.</param>
private Settlement(SerializationInfo info, StreamingContext context)
{
loadCase = info.GetValue <LoadCase>("caseName");
displacement = info.GetValue <Displacement>("loadType");
}
/// <summary>
/// Gets the permutation matrix for defined <see cref="model" /> for applying the defined <see cref="RigidElement"/>s in <see cref="model"/> in defined <see cref="loadCase"/>.
/// </summary>
/// <param name="model">The model.</param>
/// <param name="loadCase">The load case.</param>
/// <returns>The permutation matrix</returns>
public CompressedColumnStorage <double> GetPermutationMatrix(Model model, LoadCase loadCase)
{
for (int i = 0; i < model.Nodes.Count; i++)
{
model.Nodes[i].Index = i;
}
var n = model.Nodes.Count;
var masters = new int[n];
for (var i = 0; i < n; i++)
{
masters[i] = i;
}
var masterCount = 0;
#region filling the masters
var distinctElements = GetDistinctRigidElements(model, loadCase);
foreach (var elm in distinctElements)
{
if (elm.Count == 0)
{
continue;
}
var elmMasterIndex = GetMasterNodeIndex(model, elm);
for (var i = 0; i < elm.Count; i++)
{
masters[elm[i]] = elmMasterIndex;
}
}
#endregion
for (var i = 0; i < n; i++)
{
if (masters[i] == i)
{
masterCount++;
}
}
var rMaster = new int[n];
var cnt = 0;
for (var i = 0; i < masters.Length; i++)
{
if (masters[i] == i)
{
rMaster[i] = cnt++;
}
else
{
rMaster[i] = -1;
}
}
var buf = new CoordinateStorage <double>(6 * n, 6 * masterCount, 1);
for (var i = 0; i < n; i++)
{
if (masters[i] == i)
{
InsertPij(Matrix.Eye(6), rMaster[i], i, buf);
}
else
{
var j = masters[i];
var pij = GetPij(model, j, i);
InsertPij(pij, rMaster[j], i, buf);
}
}
return(Converter.ToCompressedColumnStorage(buf));
}
public CompressedColumnStorage <double> GetInvertPermutationMatrix(Model model, LoadCase loadCase)
{
var n = model.Nodes.Count;
var masters = new int[n];
for (var i = 0; i < n; i++)
{
masters[i] = i;
}
#region filling the masters
foreach (var elm in model.RigidElements)
{
var apply = false;
if (elm.UseForAllLoads)
{
apply = true;
}
else
{
foreach (var cse in elm.AppliedLoadCases)
{
if (cse.Equals(loadCase))
{
apply = true;
break;
}
}
}
if (apply)
{
if (elm.Nodes.Count == 0)
{
continue;
}
var elmMasterIndex = elm.Nodes[0].Index;
for (var i = 0; i < elm.Nodes.Count; i++)
{
masters[elm.Nodes[i].Index] = elmMasterIndex;
}
}
}
#endregion
var masterCount = 0;
for (var i = 0; i < n; i++)
{
if (masters[i] == i)
{
masterCount++;
}
}
var buf = new CoordinateStorage <double>(6 * n, masterCount, masterCount);
for (var i = 0; i < n; i++)
{
if (masters[i] == i)
{
InsertPij(Matrix.Eye(6), i, i, buf);
}
}
return(Converter.ToCompressedColumnStorage(buf).Transpose());
}
/// <summary>
/// Initializes a new instance of the <see cref="UniformLoad1D"/> class.
/// </summary>
/// <param name="magnitude">The magnitude of load.</param>
/// <param name="direction">The direction of load.</param>
/// <param name="sys">The coordination system type.</param>
/// <param name="cse">The load case.</param>
public UniformLoad1D(double magnitude, LoadDirection direction, CoordinationSystem sys, LoadCase cse)
{
this.magnitude = magnitude;
this.coordinationSystem = sys;
this.direction = direction;
this.Case = cse;
}
/// <summary>
/// Initializes a new instance of the <see cref="LoadCase"/> struct. for ISerialable.
/// </summary>
/// <param name="info">The information.</param>
/// <param name="context">The context.</param>
private Settlement(SerializationInfo info, StreamingContext context)
{
loadCase = (LoadCase)info.GetValue("caseName", typeof(LoadCase));
displacement = (Displacement)info.GetValue("loadType", typeof(Displacement));
}
