Exemple #1
0
 /// <summary>
 /// Class constructor.
 /// </summary>
 /// <param name="geometricProperty"></param>
 /// <param name="mappingResolver"></param>
 /// <param name="profileValidator"></param>
 /// <param name="time"></param>
 /// <param name="naturalFrequency"></param>
 /// <param name="mainMatrix"></param>
 public CalculateRectangularBeamWithPiezoelectricVibration(
     IRectangularGeometricProperty geometricProperty,
     IMappingResolver mappingResolver,
     IRectangularProfileValidator profileValidator,
     ITime time,
     INaturalFrequency naturalFrequency,
     IRectangularBeamWithPiezoelectricMainMatrix mainMatrix)
     : base(geometricProperty, mappingResolver, profileValidator, time, naturalFrequency, mainMatrix)
 {
 }
Exemple #2
0
        public CalculateRectangularBeamWithPiezoelectricVibrationTest()
        {
            this._precision = 1e-16;

            this._beamProfile = new RectangularProfile
            {
                Height = 3e-3,
                Width  = 25e-3
            };

            this._piezoelectricProfile = new RectangularProfile
            {
                Height = 0.267e-3,
                Width  = 25e-3
            };

            this._numberOfPiezoelectricsPerElement = 2;
            // Area and Moment of Inertia to piezoelectric were calculate manualy.
            this._piezoelectricArea            = this._numberOfPiezoelectricsPerElement * 6.675E-6;
            this._piezoelectricMomentOfInertia = 3.5701411E-11;

            this._arrayOperation    = new ArrayOperation();
            this._auxiliarOperation = new AuxiliarOperation();

            this._newmarkMethod = new NewmarkMethod(
                this._arrayOperation,
                this._auxiliarOperation);

            this._mappingResolver  = new MappingResolver();
            this._profileValidator = new RectangularProfileValidator();

            this._calculateGeometricProperty = new GeometricProperty();

            this._piezoelectricProfileMapper = new PiezoelectricRectangularProfileMapper(
                this._arrayOperation,
                this._calculateGeometricProperty);

            this._profileMapper = new RectangularProfileMapper(
                this._arrayOperation,
                this._calculateGeometricProperty);

            this._mainMatrix = new RectangularBeamWithPiezoelectricMainMatrix(this._arrayOperation);

            this._operation = new CalculateRectangularBeamWithPiezoelectricVibration(
                this._newmarkMethod,
                this._mappingResolver,
                this._profileValidator,
                this._auxiliarOperation,
                this._profileMapper,
                this._piezoelectricProfileMapper,
                this._mainMatrix,
                this._arrayOperation);

            this._methodParameter = new NewmarkMethodParameter
            {
                InitialTime             = 0,
                PeriodDivision          = 100,
                NumberOfPeriods         = 30,
                InitialAngularFrequency = 0.5
            };

            this._request = new BeamWithPiezoelectricRequest <RectangularProfile>
            {
                Author   = "Teste",
                BeamData = new PiezoelectricRequestData <RectangularProfile>
                {
                    DielectricConstant        = 7.33e-9,
                    DielectricPermissiveness  = 30.705,
                    ElasticityConstant        = 1.076e11,
                    ElectricalCharges         = new List <ElectricalCharge>(),
                    ElementsWithPiezoelectric = new uint[] { 2 },
                    FirstFastening            = "Pinned",
                    Forces = new List <Force> {
                        new Force
                        {
                            NodePosition = 1,
                            Value        = 100
                        }
                    },
                    LastFastening             = "Pinned",
                    Length                    = elementLength * numberOfElements,
                    Material                  = "Steel4130",
                    NumberOfElements          = numberOfElements,
                    PiezoelectricConstant     = 190e-12,
                    PiezoelectricPosition     = "Up and down",
                    PiezoelectricProfile      = this._piezoelectricProfile,
                    PiezoelectricSpecificMass = 7650,
                    PiezoelectricYoungModulus = 63e9,
                    Profile                   = this._beamProfile
                },
                MethodParameterData = this._methodParameter
            };

            this._beamWithPiezoelectic = new BeamWithPiezoelectric <RectangularProfile>()
            {
                DielectricConstant       = 7.33e-9,
                DielectricPermissiveness = 30.705,
                ElasticityConstant       = 1.076e11,
                ElectricalCharge         = new double[piezoelectricDegreesFreedomMaximum] {
                    0, 0, 0
                },
                ElementsWithPiezoelectric = new uint[numberOfElementsWithPiezoelectrics] {
                    2
                },
                FirstFastening = new Pinned(),
                Forces         = new double[degreesFreedomMaximum] {
                    0, 0, 100, 0, 0, 0
                },
                GeometricProperty = new GeometricProperty
                {
                    // Beam profile: height = 3e-3, width = 25e-3.
                    Area = new double[numberOfElements] {
                        7.5E-05, 7.5E-05
                    },
                    MomentOfInertia = new double[numberOfElements] {
                        5.625E-11, 5.625E-11
                    }
                },
                LastFastening    = new Pinned(),
                Length           = elementLength * numberOfElements,
                Material         = new Steel4130(),
                NumberOfElements = numberOfElements,
                NumberOfPiezoelectricPerElements = this._numberOfPiezoelectricsPerElement,
                PiezoelectricConstant            = 190e-12,
                PiezoelectricGeometricProperty   = new GeometricProperty
                {
                    // Piezoelectric profile:  height = 0.267e-3, width = 25e-3.
                    Area = new double[numberOfElements] {
                        0, this._piezoelectricArea
                    },
                    MomentOfInertia = new double[numberOfElements] {
                        0, this._piezoelectricMomentOfInertia
                    }
                },
                PiezoelectricProfile      = this._piezoelectricProfile,
                PiezoelectricSpecificMass = 7650,
                Profile = this._beamProfile,
                PiezoelectricYoungModulus = 63e9
            };

            this._equivalentForce = new double[numberOfBoundaryConditionsTrue] {
                0, 100, 0, 0, 0, 0
            };

            this._mass = new double[numberOfBoundaryConditionsTrue, numberOfBoundaryConditionsTrue]
            {
                { 0.000700893, 0.0045558, -0.00052567, 0, 0, 0 },
                { 0.0045558, 0.237645, 0.00133738, -0.00534608, 0, 0 },
                { -0.00052567, 0.00133738, 0.00152337, -0.000616855, 0, 0 },
                { 0, -0.00534608, -0.000616855, 0.000822473, 0, 0 },
                { 0, 0, 0, 0, 0, 0 },
                { 0, 0, 0, 0, 0, 0 }
            };

            this._stiffness = new double[numberOfBoundaryConditionsTrue, numberOfBoundaryConditionsTrue]
            {
                { 90, -270, 45, 0, 0, 0 },
                { -270, 2528.78, 92.1953, 362.195, 0, 0 },
                { 45, 92.1953, 210.732, 60.3659, 1.60557e-07, -1.60557e-07 },
                { 0, 362.195, 60.3659, 120.732, -1.60557e-07, 1.60557e-07 },
                { 0, 0, 1.60557e-07, -1.60557e-07, -6.8633e-07, 6.8633e-07 },
                { 0, 0, -1.60557e-07, 1.60557e-07, 6.8633e-07, -6.8633e-07 }
            };

            this._damping = new double[numberOfBoundaryConditionsTrue, numberOfBoundaryConditionsTrue]
            {
                { 9e-05, -0.00027, 4.5e-05, 0, 0, 0 },
                { -0.00027, 0.00252878, 9.21953e-05, 0.000362195, 0, 0 },
                { 4.5e-05, 9.21953e-05, 0.000210732, 6.03659e-05, 1.60557e-13, -1.60557e-13 },
                { 0, 0.000362195, 6.03659e-05, 0.000120732, -1.60557e-13, 1.60557e-13 },
                { 0, 0, 1.60557e-13, -1.60557e-13, -6.8633e-13, 6.8633e-13 },
                { 0, 0, -1.60557e-13, 1.60557e-13, 6.8633e-13, -6.8633e-13 }
            };

            this._newmarkMethodInput = new NewmarkMethodInput
            {
                Parameter = this._methodParameter,
                NumberOfTrueBoundaryConditions = numberOfBoundaryConditionsTrue,
                Force     = this._equivalentForce,
                Mass      = this._mass,
                Stiffness = this._stiffness,
                Damping   = this._damping
            };
        }