**impose_nodal_dof_file

Description

This boundary condition allows to define the nodal degrees of freedom (DOF) using values from an ascii file.

Syntax

**impose_nodal_dof_file [ *dtime ] \(~\,~\,\) time  file  file_name [ scale ]

where

dtime

define increments of time instead of default total time.

time

time at which is precised the values of the DOFs of each node.

file_name

name of the file in which is precised the values of the DOF of each node.

scale

a factor multiplied by the values of the DOFs of the file_name.

Note

Values at zero time are assumed to be null

Example

This example can be found in $Z7PATH/TESTS/Static_test/INP/cube_file_bc1.inp.

***bc
 **fix_all_dof
   x=0
   x=1/2
   x=1

 **impose_nodal_dof_file
   % vals at zero time are assumed to be null
   5.0  file  cube_file_bc1.disp1  0.5
   20.0 file  cube_file_bc1.disp2  1.0

The ascii files in which are defined the values of DOF of each node :

=====================
 cube_file_bc1.disp1
=====================
% x=1/2
5      U1  0.005
7      U1  0.005
13     U1  0.005
15     U1  0.005

% x=1
2        U1  0.01
3        U1  0.01
6        U1  0.01
10       U1  0.01
11       U1  0.01
14       U1  0.01
18       U1  0.01
19       U1  0.01

=====================
 cube_file_bc1.disp2
=====================
% x=1/2
5      U1  0.01
7      U1  0.01
13     U1  0.01
15     U1  0.01

% x=1
2        U1  0.02
3        U1  0.02
6        U1  0.02
10       U1  0.02
11       U1  0.02
14       U1  0.02
18       U1  0.02
19       U1  0.02