private List <LoadCombination> CreateLoadCombinations()
{
// 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
};
// Generate ULS and SLS Combinations
LoadCombinationTable loadCombinationTable = new LoadCombinationTable();
Program.CombineULS(loadGroups, loadCombinationTable);
Program.CombineSLS(loadGroups, loadCombinationTable);
return(loadCombinationTable.LoadCombinations);
}
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);
}
