Material Properties Internal Units

Parameter Name in Dialog API Parameter Name Variable Type Internal Database Units Description
Steel / Generic
Behavior Behavior bool Isotropic, Orthotropic Currently exposed for Generic Only
Young Modulus X YoungModulusX double UT_Stress
Young Modulus Y YoungModulusY double UT_Stress
Young Modulus Z YoungModulusZ double UT_Stress
Poisson ratio X PoissonModulusX double UT_Number
Poisson ratio Y PoissonModulusY double UT_Number
Poisson ratio Z PoissonModulusZ double UT_Number
Shear modulus X ShearModulusX double UT_Stress
Shear modulus Y ShearModulusY double UT_Stress
Shear modulus Z ShearModulusZ double UT_Stress
Thermal Expansion coefficient X ThermalExpansionCoefficientX double UT_TemperalExp
Thermal Expansion coefficient Y ThermalExpansionCoefficientY double UT_TemperalExp
Thermal Expansion coefficient Z ThermalExpansionCoefficientZ double UT_TemperalExp
Unit Weight UnitWeight double UT_UnitWeight
Damping ratio DampingRatio double UT_Number
Minimum Yield Stress MinimumYieldStress double UT_Stress Fy in US codes. Also can be considered as the compression stress capacity
Minimum tensile stress MinimumTensileStrength double UT_Stress Only used for steel
Reduction factor for shear ReductionFactor double UT_Number Reduction of Minimum Yield Stress for Shear. Shear Yield Stress = MinimumYieldStress / ReductionFactor
Concrete
Behavior Behavior bool Isotropic, Orthotropic Currently exposed for Generic Only
Young Modulus X YoungModulusX double UT_Stress
Young Modulus Y YoungModulusY double UT_Stress
Young Modulus Z YoungModulusZ double UT_Stress
Poisson ratio X PoissonModulusX double UT_Number
Poisson ratio Y PoissonModulusY double UT_Number
Poisson ratio Z PoissonModulusZ double UT_Number
Shear modulus X ShearModulusX double UT_Stress
Shear modulus Y ShearModulusY double UT_Stress
Shear modulus Z ShearModulusZ double UT_Stress
Thermal Expansion coefficient X ThermalExpansionCoefficientX double UT_TemperalExp
Thermal Expansion coefficient Y ThermalExpansionCoefficientY double UT_TemperalExp
Thermal Expansion coefficient Z ThermalExpansionCoefficientZ double UT_TemperalExp
Unit Weight UnitWeight double UT_UnitWeight
Damping ratio DampingRatio double UT_Number
Concrete compression ConcreteCompression double UT_Stress Concrete compression stress capacity. F'c for US codes.
Lightweight LightWeight Bool If true then lightweight concrete is defined.
Shear strength modification ShearStrengthReduction double UT_Number When Lightweight = True then this value is available. It is the reduction of the concrete compression capacity for shear. Concrete Shear stress Capacity = ConcreteCompression / ShearStrengthReduction
Wood
Young Modulus PoissonModulus double UT_Stress
Poisson ratio ShearModulus double UT_Number
Shear modulus ShearModulus double UT_Stress
Thermal Expansion coefficient ThermalExpansionCoefficient double UT_TemperalExp
Unit Weight UnitWeight double UT_UnitWeight
Species Species AString
Grade Grade AString
Bending Bending double UT_Stress
Compression parallel to grain CompressionParallel double UT_Stress
Compression perpendicular to grain CompressionPerpendicular double UT_Stress
Shear parallel to grain ShearParallel double UT_Stress
Tension perpendicular to grain ShearPerpendicular double UT_Stress
# Unit Dimension Internal Representation
1. UT_Number No dimension Simple number.
2. UT_Stress (Mass)x(Length-1)x(Time-2) Kg(mass)/(FootSec2)
3. UT_TemperalExp (Temperature-1) (1/°C)
4. UT_UnitWeight (Mass)x(Length-2)x(Time-2) Kg(mass)/(Foot2Sec2)