Format

LINSPL(x,z,id) or LINSPL(x,0,id,n)

Description

Returns the interpolated value or n-th derivative of the interpolated value of Reference_Spline element.

Example

<Force_Scalar_TwoBody

     id             = "301001"    

     type           = "Force"

     i_marker_id    = "10506"

     j_marker_id    = "10706"

     val_expression = "LINSPL(DM(10503,10703),0,301002)"

/>

<Reference_Spline

     id             = "301002"

     num_xy_pair    = "5"

     linear_extrap  = "FALSE">

         0.0000000E+00  -2.2000000E+02

         2.0000000E+02  -2.2000000E+02

         2.3000000E+02  -2.2000000E+02

         3.7322400E+02  -1.1000000E+02

         5.0000000E+02  -1.1000000E+02

</Reference_Spline>

Arguments

x

The independent variable of the curve.

z

The independent variable z of the surface. Use z=0 if only one curve is being defined.

id

The ID of the Reference_Spline element.

n

The order of the derivative desired. Not applicable with surfaces. Must lie between 0 and 2.