Exemplo n.º 1
0
        public static void RunExample()
        {
            IAssembly elementsAssembly = CreateAssembly();

            elementsAssembly.CreateElementsAssembly();
            elementsAssembly.ActivateBoundaryConditions = true;


            InitialConditions initialValues = new InitialConditions();

            initialValues.InitialAccelerationVector    = new double[1];
            initialValues.InitialDisplacementVector    = new double[1];
            initialValues.InitialDisplacementVector[0] = 0.2146;
            initialValues.InitialVelocityVector        = new double[1];
            initialValues.InitialTime = 0.0;

            ExplicitSolver newSolver = new ExplicitSolver(1.0, 10);

            newSolver.Assembler = elementsAssembly;

            newSolver.InitialValues             = initialValues;
            newSolver.ExternalForcesVector      = new double[] { 0.0 };
            newSolver.LinearSolver              = new LUFactorization();
            newSolver.ActivateNonLinearSolution = true;
            newSolver.SolveExplicit();
            newSolver.PrintExplicitSolution();
        }
Exemplo n.º 2
0
        public static void SolveNewmarkExample()
        {
            double[,] M = new double[, ]
            {
                { 2.0, 0.0 },
                { 0.0, 1.0 }
            };

            double[,] K = new double[, ]
            {
                { 6.0, -2.0 },
                { -2.0, 4.0 }
            };

            double[] F = new double[] { 0.0, 10.0 };

            InitialConditions initialValues = new InitialConditions();

            initialValues.InitialAccelerationVector = new double[] { 0.0, 10.0 };
            initialValues.InitialDisplacementVector = new double[] { 0.0, 0.0 };
            initialValues.InitialVelocityVector     = new double[] { 0.0, 0.0 };
            initialValues.InitialTime = 0.0;

            ExplicitSolver solver = new ExplicitSolver(2.8, 10);

            solver.InitialValues             = initialValues;
            solver.CustomMassMatrix          = M;
            solver.CustomStiffnessMatrix     = K;
            solver.CustomDampingMatrix       = new double[2, 2];
            solver.ExternalForcesVector      = F;
            solver.ActivateNonLinearSolution = false;
            solver.LinearSolver = new LUFactorization();
            solver.SolveNewmark();
            solver.PrintExplicitSolution();
        }
Exemplo n.º 3
0
        public static void RunExample()
        {
            IAssembly elementsAssembly = CreateAssembly();

            elementsAssembly.CreateElementsAssembly();
            elementsAssembly.ActivateBoundaryConditions = true;


            InitialConditions initialValues = new InitialConditions();

            initialValues.InitialAccelerationVector = new double[40];
            initialValues.InitialDisplacementVector = new double[40];
            initialValues.InitialVelocityVector     = new double[40];
            initialValues.InitialTime = 0.0;

            ExplicitSolver newSolver = new ExplicitSolver(1.0, 100);

            newSolver.Assembler = elementsAssembly;

            Dictionary <int, double> externalLoads = new Dictionary <int, double>()
            {
                { 34, -50000.0 },
                { 39, 500000.0 }
            };

            newSolver.InitialValues             = initialValues;
            newSolver.ExternalForcesVector      = CreateExternalForcesVector(externalLoads);
            newSolver.LinearSolver              = new LUFactorization();
            newSolver.ActivateNonLinearSolution = false;
            newSolver.SolveExplicit();
            newSolver.PrintExplicitSolution();
        }
Exemplo n.º 4
0
        public static Results RunExample()
        {
            IAssembly elementsAssembly = CreateAssembly();

            elementsAssembly.CreateElementsAssembly();
            elementsAssembly.ActivateBoundaryConditions = true;


            InitialConditions initialValues = new InitialConditions();

            initialValues.InitialAccelerationVector = new double[] { 0.0, 10.0 };
            initialValues.InitialDisplacementVector = new double[] { 0.0, 0.0 };
            initialValues.InitialVelocityVector     = new double[] { 0.0, 0.0 };
            initialValues.InitialTime = 0.0;

            ExplicitSolver newSolver = new ExplicitSolver(1.0, 10);

            newSolver.Assembler = elementsAssembly;

            newSolver.InitialValues             = initialValues;
            newSolver.ExternalForcesVector      = new double[] { 50.0, 0 };
            newSolver.LinearSolver              = new LUFactorization();
            newSolver.ActivateNonLinearSolution = true;
            newSolver.SolveExplicit();
            newSolver.PrintExplicitSolution();
            Results finalResults = new Results()
            {
                DynamicSolution = newSolver.explicitSolution, TimeSteps = newSolver.TimeAtEachStep, SelectedDOF = 1, SelectedInterval = 1, SolutionType = "Dynamic"
            };

            return(finalResults);
        }
Exemplo n.º 5
0
        public static void RunDynamicExample()
        {
            IAssembly elementsAssembly = CreateAssembly();

            InitialConditions initialValues = new InitialConditions();

            initialValues.InitialAccelerationVector = new double[60];
            initialValues.InitialDisplacementVector = new double[60];
            initialValues.InitialVelocityVector     = new double[60];
            initialValues.InitialTime = 0.0;

            ExplicitSolver newSolver = new ExplicitSolver(1.0, 100);

            newSolver.Assembler = elementsAssembly;

            double[] externalForces = new double[60];
            externalForces[28] = -5000.0;

            newSolver.InitialValues             = initialValues;
            newSolver.ExternalForcesVector      = externalForces;
            newSolver.LinearSolver              = new LUFactorization();
            newSolver.ActivateNonLinearSolution = true;
            newSolver.SolveExplicit();
            newSolver.PrintExplicitSolution();
        }