private static void GenerateGroundSpring(ModelSetting sett, SingleRingResult result)
{
double r = sett.outerRadius - sett.thickness / 2; // radius of the model
double pi = Math.PI;
int count = result.elements[1].Count;
int ground_radius_ID = 2;
int ground_tangential_ID = 3;
if (!result.elements.ContainsKey(ground_radius_ID))
result.elements[ground_radius_ID] = new List<Element>();
if (!result.elements.ContainsKey(ground_tangential_ID))
result.elements[ground_tangential_ID] = new List<Element>();
for (int i = 0; i < sett.num_node_ring; i++)
{
count++;
ElementLink spring = new ElementLink(count, ground_radius_ID,
i + 1, i + 1 + sett.num_node_ring);
result.elements[ground_radius_ID].Add(spring);
count++;
spring = new ElementLink(count, ground_tangential_ID,
i + 1, i + 1 + 2 * sett.num_node_ring);
result.elements[ground_tangential_ID].Add(spring);
}
}
//you don't need to assign modelSetting.axis as it won't be used
public static void BuildStraightModel(ModelSetting modelSetting, Model model)
{
SingleRingResult ringResult = new SingleRingResult();
GenerateNodes.GenerateSingleRingNode(modelSetting, ringResult);
GenerateElements.GenerateSingleRingElement(modelSetting, ringResult);
//generate all nodes
for(int i = 0; i < modelSetting.num_ring; i++)
{
for(int j = 0; j < modelSetting.num_node_all; j++)
{
Node node = ringResult.nodes[j];
Node newNode = new Node(node.nid + i * modelSetting.num_node_all,
node.x, node.y, node.z + modelSetting.width * i);
model.AddNode(newNode);
}
}
int elemenCount = 0;
//generate all shells
for (int i = 0; i < modelSetting.num_ring; i++)
{
foreach (Element element in ringResult.elements[1])
{
elemenCount++;
ElementShell shell = element as ElementShell;
ElementShell newShell = new ElementShell(elemenCount,
shell.pid, shell.n1 + modelSetting.num_node_all * i, shell.n2 + modelSetting.num_node_all * i,
shell.n3 + modelSetting.num_node_all * i, shell.n4 + modelSetting.num_node_all * i);
model.AddElement(newShell);
}
}
//generate radial ground spring
for (int i = 0; i < modelSetting.num_ring; i++)
{
foreach (Element element in ringResult.elements[2])
{
elemenCount++;
ElementLink link = element as ElementLink;
ElementLink newLink = new ElementLink(elemenCount,
link.pid, link.n1 + modelSetting.num_node_all * i, link.n2 + modelSetting.num_node_all * i);
model.AddElement(newLink);
}
}
//generate tangential ground spring
for (int i = 0; i < modelSetting.num_ring; i++)
{
foreach (Element element in ringResult.elements[3])
{
elemenCount++;
ElementLink link = element as ElementLink;
ElementLink newLink = new ElementLink(elemenCount,
link.pid, link.n1 + modelSetting.num_node_all * i, link.n2 + modelSetting.num_node_all * i);
model.AddElement(newLink);
}
}
//generate the longitudinal joint spring
for (int i = 0; i < modelSetting.num_ring; i++)
{
for (int j = 0; j <= modelSetting.num_longit; j++)
{
for (int k = 0; k < modelSetting.pos_joint.Count; k++)
{
elemenCount++;
ElementCombin combinZ = new ElementCombin(elemenCount, 5,
modelSetting.pos_joint[k] + 1 + j * modelSetting.num_node_face + i * modelSetting.num_node_all,
k + 1 + modelSetting.num_circum + j * modelSetting.num_node_face + i * modelSetting.num_node_all);
model.AddElement(combinZ);
}
}
}
//generate circumferential joint spring
for (int i = 1; i < modelSetting.num_ring; i++)
{
for (int j = 0; j < modelSetting.num_node_face; j++ )
{
elemenCount++;
ElementCombin combinCircumZ = new ElementCombin(elemenCount, 4,
j + 1 + (i - 1) * modelSetting.num_node_all + modelSetting.num_node_face * modelSetting.num_longit,
j + 1 + i * modelSetting.num_node_all);
elemenCount++;
ElementCombin combinCircumX = new ElementCombin(elemenCount, 6,
j + 1 + (i - 1) * modelSetting.num_node_all + modelSetting.num_node_face * modelSetting.num_longit,
j + 1 + i * modelSetting.num_node_all);
elemenCount++;
ElementCombin combinCircumY = new ElementCombin(elemenCount, 7,
j + 1 + (i - 1) * modelSetting.num_node_all + modelSetting.num_node_face * modelSetting.num_longit,
j + 1 + i * modelSetting.num_node_all);
model.AddElement(combinCircumZ);
model.AddElement(combinCircumX);
model.AddElement(combinCircumY);
}
}
//add longitudinal joint nodes couple-constrain
for (int i = 0; i < modelSetting.num_ring; i++)
{
for (int j = 0; j <= modelSetting.num_longit; j++)
{
for (int k = 0; k < modelSetting.pos_joint.Count; k++)
{
ConstrainedNodes constrain = new ConstrainedNodes();
constrain.nodes.Add(model.nodes[modelSetting.pos_joint[k] + 1 + j * modelSetting.num_node_face + i * modelSetting.num_node_all]);
constrain.nodes.Add(model.nodes[k + 1 + modelSetting.num_circum + j * modelSetting.num_node_face + i * modelSetting.num_node_all]);
constrain.ux = 1;
constrain.uy = 1;
model.AddConstrained(constrain);
}
}
}
//add boundary
for (int i = 0; i < modelSetting.num_node_face; i++)
{
BoundaryNode boundary = new BoundaryNode();
boundary.node = model.nodes[i + 1];
boundary.ux = 1;
boundary.uy = 1;
boundary.uz = 1;
boundary.rx = 1;
boundary.ry = 1;
boundary.rz = 1;
model.AddBoundary(boundary);
}
for (int i = 0; i < modelSetting.num_node_face; i++)
{
BoundaryNode boundary = new BoundaryNode();
boundary.node = model.nodes[i + 1 + modelSetting.num_node_all * (modelSetting.num_ring - 1)
+ modelSetting.num_longit * modelSetting.num_node_face];
boundary.ux = 1;
boundary.uy = 1;
boundary.uz = 1;
boundary.rx = 1;
boundary.ry = 1;
boundary.rz = 1;
model.AddBoundary(boundary);
}
//apply load
}
private static void GetGroundElements(int ringNo, ModelSetting modelSetting, SingleRingResult ringResult, ShieldTunnel3DResult result)
{
if (!result.PreElements.ContainsKey(2))
result.PreElements[2] = new List<Element>();
//generate radial ground spring
foreach (Element element in ringResult.elements[2])
{
ElementLink link = element as ElementLink;
ElementLink newLink = new ElementLink(1,
link.pid, link.n1 + modelSetting.num_node_all * ringNo, link.n2 + modelSetting.num_node_all * ringNo);
result.PreElements[2].Add(newLink);
}
if (!result.PreElements.ContainsKey(3))
result.PreElements[3] = new List<Element>();
//generate tangential ground spring
foreach (Element element in ringResult.elements[3])
{
ElementLink link = element as ElementLink;
ElementLink newLink = new ElementLink(1,
link.pid, link.n1 + modelSetting.num_node_all * ringNo, link.n2 + modelSetting.num_node_all * ringNo);
result.PreElements[3].Add(newLink);
}
}
