Example #1
0
        /// <summary>
        /// Case 17: Calculation of capacity state in symmetric section for fixed moment
        /// </summary>
        public void Case17()
        {
            // Case 17a
            // geometry definition
            Geometry geometry = new Geometry();

            geometry.Add(0.0, 0.0);
            geometry.Add(0.0, 0.6);
            geometry.Add(0.3, 0.6);
            geometry.Add(0.3, 0.0);
            // rebars definition
            List <Rebar> rebars    = new List <Rebar>();
            double       rebarArea = 0.040 * 0.040 * Math.PI / 4.0;

            rebars.Add(new Rebar(0.03, 0.03, rebarArea));
            rebars.Add(new Rebar(0.03, 0.57, rebarArea));
            rebars.Add(new Rebar(0.27, 0.57, rebarArea));
            rebars.Add(new Rebar(0.27, 0.03, rebarArea));
            // concrete parameters
            Concrete concrete = new Concrete();

            concrete.SetStrainStressModelRectangular(17.12e6, 0.0035, 32e9, 0.8);
            // steel parameters
            Steel steel = new Steel();

            steel.SetModelIdealElastoPlastic(310e6, 0.025, 200e9);
            // solver creation and parameterization
            RCSolver solver = RCSolver.CreateNewSolver(geometry);

            solver.SetRebars(rebars);
            solver.SetConcrete(concrete);
            solver.SetSteel(steel);
            //calulation
            solver.SolveResistanceF(184.9E3, Axis.x, true);
            // result for rebars
            SetOfForces forcesRebar = solver.GetInternalForces(ResultType.Rebars);
            // result for concrete
            SetOfForces forcesConcrete = solver.GetInternalForces(ResultType.Concrete);
            Point2D     Gcc            = solver.GetStressGravityCenter(ResultType.Concrete);
            double      Acc            = solver.GetConcreteStressArea();
            // result for RC section
            SetOfForces forces = solver.GetInternalForces(ResultType.Section);
            double      angle  = solver.GetNeutralAxisAngle();
            double      dist   = solver.GetNeutralAxisDistance();

            // result presentation
            sb.AppendLine();
            sb.AppendLine(decoration);
            sb.AppendLine("Case 17a: Calculation of capacity state in symmetric section for fixed moment");
            sb.AppendLine(decoration);
            sb.AppendLine(FormatOutput("Ns", forcesRebar.AxialForce, 6));
            sb.AppendLine(FormatOutput("Mxs", forcesRebar.MomentX, 6));
            sb.AppendLine(FormatOutput("Mys", forcesRebar.MomentY, 6));
            sb.AppendLine(FormatOutput("Ac", Acc, 6));
            sb.AppendLine(FormatOutput("Gcx", Gcc.X, 6));
            sb.AppendLine(FormatOutput("Gcy", Gcc.Y, 6));
            sb.AppendLine(FormatOutput("Nc", forcesConcrete.AxialForce, 6));
            sb.AppendLine(FormatOutput("Mxc", forcesConcrete.MomentX, 6));
            sb.AppendLine(FormatOutput("Myc", forcesConcrete.MomentY, 6));
            sb.AppendLine(FormatOutput("N", forces.AxialForce, 6));
            sb.AppendLine(FormatOutput("Mx", forces.MomentX, 6));
            sb.AppendLine(FormatOutput("My", forces.MomentY, 6));
            sb.AppendLine(FormatOutput("dist", dist, 6));
            sb.AppendLine(FormatOutput("angle", angle, 6));

            // Case 17b
            // rebars definition
            rebars.Clear();
            rebarArea = 0.032 * 0.032 * Math.PI / 4.0;
            rebars.Add(new Rebar(0.03, 0.03, rebarArea));
            rebars.Add(new Rebar(0.03, 0.57, rebarArea));
            rebars.Add(new Rebar(0.27, 0.57, rebarArea));
            rebars.Add(new Rebar(0.27, 0.03, rebarArea));
            solver.SetRebars(rebars);
            //calulation
            solver.SolveResistanceF(138.67E3, Axis.y, true);
            // result for rebars
            forcesRebar = solver.GetInternalForces(ResultType.Rebars);
            // result for concrete
            forcesConcrete = solver.GetInternalForces(ResultType.Concrete);
            Gcc            = solver.GetStressGravityCenter(ResultType.Concrete);
            Acc            = solver.GetConcreteStressArea();
            // result for RC section
            forces = solver.GetInternalForces(ResultType.Section);
            angle  = solver.GetNeutralAxisAngle();
            dist   = solver.GetNeutralAxisDistance();
            // result presentation
            sb.AppendLine();
            sb.AppendLine(decoration);
            sb.AppendLine("Case 17b: Calculation of capacity state in symmetric section for fixed moment");
            sb.AppendLine(decoration);
            sb.AppendLine(FormatOutput("Ns", forcesRebar.AxialForce, 6));
            sb.AppendLine(FormatOutput("Mxs", forcesRebar.MomentX, 6));
            sb.AppendLine(FormatOutput("Mys", forcesRebar.MomentY, 6));
            sb.AppendLine(FormatOutput("Ac", Acc, 6));
            sb.AppendLine(FormatOutput("Gcx", Gcc.X, 6));
            sb.AppendLine(FormatOutput("Gcy", Gcc.Y, 6));
            sb.AppendLine(FormatOutput("Nc", forcesConcrete.AxialForce, 6));
            sb.AppendLine(FormatOutput("Mxc", forcesConcrete.MomentX, 6));
            sb.AppendLine(FormatOutput("Myc", forcesConcrete.MomentY, 6));
            sb.AppendLine(FormatOutput("N", forces.AxialForce, 6));
            sb.AppendLine(FormatOutput("Mx", forces.MomentX, 6));
            sb.AppendLine(FormatOutput("My", forces.MomentY, 6));
            sb.AppendLine(FormatOutput("dist", dist, 6));
            sb.AppendLine(FormatOutput("angle", angle, 6));
        }