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1、FIELDSFIELDSTypes: Tabular, FEM or PCLFields are used to define variation in:Load / Boundary ConditionsMaterial PropertiesElement PropertiesThere are three types of Fields:Spatial FieldsMaterial Property FieldsNon-Spatial FieldsMATERIAL PROPERTY FIELDSMaterial Property Fields Describe variation with

2、 respect to:Temperature, Strain, Strain Rate, Time and FrequencyUser-defined mix of allowable Independent variables and compiled PCL functionsNON-SPATIAL FIELDSNon-Spatial Fields Variation of the Field with respect to:TimeFrequencyUser-defined mix of allowable independent variables and compiled PCL

3、functionsSPATIAL FIELD EXAMPLEPCL / SCALAR / REAL SPACEDescribe a variable thickness for a plate model using PCLThickness varies:0.2 at the leading edge (T=0)0.6 at the trailing edge (T=1.57)As a function of SIN, where Theta varies from 0 to 90 degreesThick = 0.2+0.4SINR(T)200*R*2 P*3200r2 - 3 Spher

4、ical10.0*C1 20.8*C210.01 20.82 Parametric0.35*R+0.08*T*acosr(25.6*Z)0.35r+ 0.08acos(25.6z) Cylindrical0.1*X 0.3*Y0.1x - 0.35y RectangularPCL ExpressionMathematical ExpressionC1 C2 C3ParametricR T PSphericalfFrequencyR T ZCylindricaltTimeX Y ZRectangularCoord Frame:Non-SpatialSpatialPCL expressions c

5、an be defined with up to 3 spatial variablesSPATIAL FIELD PCL INPUT The following variables are recognized as part of your PCL function: Variables are case sensitive Precede all variables with a single () quote not back quotePCL MATH FUNCTIONSSIND (angle)SQRT (n)SINR (angle)LN (n)ASIND (n)EXP (n)ASI

6、NR (n)LOG (n)COSD (n)ABS (n)COSR (n)SIGN (n)ACOSD (n)NINT (n)ACOSR (n)MAX (n1, n2, )TAND (angle)MIN (n1, n2, )TANR (angle)ATAND (n)ATANR (n)ATAN2D (y, x)ATAN2R (y, x)Note: T and P are in radians for cylindrical and spherical coordinate systems (e.g use SINR(T)Where: R = angle specified in radiansSPATIAL FIELD EXAMPLETabular Input/Parametric Space/Endpoints Only OffDefine a piecewise linearly varying filed in Parametric Space to represent thickness of Su