/LOAD/PCYL

Block Format Keyword Defines a pressure load in a cylindrical system on a surface as a function of radius, time and angle of incidence.

Format


(1)	(2)	(3)	(5)	(7)
/LOAD/PCYL/`pload_ID`/`unit_ID`
`pload_title`
`surf_ID`	`sens_ID`	`frame_ID`
`table_ID`		`Ascale_r`	`Ascale_t`	`Fscale_p`

Definition


Field	Contents	SI Unit Example
`pload_ID`	Pressure load block identifier. (Integer, maximum 10 digits)
`unit_ID`	(Optional) Unit identifier. (Integer, maximum 10 digits)
`pload_title`	Pressure load block title. (Character, maximum 100 characters)
`surf_ID`	Surface identifier. (Integer)
`sens_ID`	Sensor identifier. ≠ 0 The pressure load is applied after sensor activation (the time function is shifted in time). (Integer)
`frame_ID`	Local frame /FRAME/MOV identifier to define the axis of cylindrical system. The local direction X (`node_ID`₁, `node_ID`₂) defines cylindrical axis. (Integer)
`table_ID`	Two dimensions table identifier defining the pressure function of the radius and time. (Integer)
`Ascale_r`	Radius scale factor. Default = 1.0 (Real)	$[m]$
`Ascale_t`	Time scale factor. Default = 1.0 (Real)	$[s]$
`Fscale_p`	Ordinate scale factor. Default = 1.0 (Real)	$[Pa]$

Example

#RADIOSS STARTER
#---1----|----2----|----3----|----4----|----5----|----6----|----7----|----8----|----9----|---10----|
/UNIT/1
Unit for load
#              MUNIT               LUNIT               TUNIT
                   g                  mm                  ms
#---1----|----2----|----3----|----4----|----5----|----6----|----7----|----8----|----9----|---10----|
/LOAD/PCYL/12/1
laser beam
#  surf_ID   sens_ID  frame_ID
         1         0         1
# table_ID            xscale_r            xscale_t              yscale
         1                   0                   0                -0.1
/TABLE/1/1
pressure distribution function of radius and time
#DIMENSION
         2
#   FCT_ID                          Time                                                      Yscale
         2                           0.0                                                         0.0
         2                          0.02                                                      1200.0
         2                          0.04                                                      2500.0
         2                          0.06                                                      2700.0
         2                          0.08                                                      2500.0
         2                          0.09                                                      1200.0
         2                          0.11                                                       900.0
         2                          0.15                                                       400.0
         2                          0.24                                                       200.0
         2                          0.31                                                       150.0
#---1----|----2----|----3----|----4----|----5----|----6----|----7----|----8----|----9----|---10----|
/FUNCT/2
Pressure distribution according radius
                   0                  1
                  .5                  1
                   1                 .5
                   2                 .1
#---1----|----2----|----3----|----4----|----5----|----6----|----7----|----8----|----9----|---10----|
#enddata
/END
#---1----|----2----|----3----|----4----|----5----|----6----|----7----|----8----|----9----|---10----|

Comments

This pressure load can be used only for 3D analysis.
The pressure value is defined with:
$P (r, t) = \sin (α) \cdot F s c a l e_p \cdot T a b l e_I D (r \cdot A s c a l e_r, \frac{t}{A s c a l e_t})$
Where,

$r$

Radius from the cylinder axis.

$t$

Current time.

$α$

Angle between the surface and the cylinder axis.

Figure 1.
The pressure values are not extrapolated beyond the last radius abscissa. The pressure is null outside of the cylinder.