Add rebar section logic

StructureHelperLogics/Models/Materials/Logics/RebarSectionStrengthLogic.cs

@@ -0,0 +1,41 @@
+using StructureHelperCommon.Infrastructures.Enums;
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StructureHelperLogics.Models.Materials
+{
+    public class RebarSectionStrengthLogic : IRebarSectionStrengthLogic
+    {
+        public double RebarStrengthFactor { get; set; } = 1;
+        public double MaxRebarStrength { get; set; } = double.PositiveInfinity;
+        /// <summary>
+        /// Limit state, default - ULS
+        /// </summary>
+        public LimitStates LimitState { get; set; } = LimitStates.ULS;
+        /// <summary>
+        /// Calc term, default - short term
+        /// </summary>
+        public CalcTerms CalcTerm { get; set; } = CalcTerms.ShortTerm;
+        public IRebarSection RebarSection { get; set; }
+        public IShiftTraceLogger? TraceLogger { get; set; }
+        public double GetRebarMaxTensileForce()
+        {
+            double rebarArea = Math.PI * RebarSection.Diameter * RebarSection.Diameter / 4;
+            TraceLogger?.AddMessage($"Rebar area = {rebarArea}(m2)");
+            double materialStrength = RebarSection.Material.GetStrength(LimitState, CalcTerm).Tensile;
+            TraceLogger?.AddMessage($"Stirrup material strength Rsw = {materialStrength}");
+            double rebarStrength = RebarStrengthFactor * materialStrength;
+            TraceLogger?.AddMessage($"Strength of rebar Rs = {RebarStrengthFactor} * {materialStrength} = {rebarStrength}(Pa)");
+            double minimizedStrength = Math.Min(rebarStrength, MaxRebarStrength);
+            TraceLogger?.AddMessage($"Strength of rebar Rs = Min({rebarStrength}, {MaxRebarStrength})= {minimizedStrength}(Pa)");
+            double rebarForce = minimizedStrength * rebarArea;
+            TraceLogger?.AddMessage($"Force in rebar Ns = {minimizedStrength}(Pa) * {rebarArea}(m2) = {rebarForce}");
+            return rebarForce;
+        }
+    }
+}