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OUTPUT_DEBUG

Output

Beta command

This command is in the beta stage and the format may change over time.

*OUTPUT_DEBUG
message

Parameter definition

Variable
Description
message
Debug message

Description

This command is used to debug and to identify mistakes in command files. It outputs user-defined debug messages to impetus.info, together with current repeat loop variables, INCLUDE offsets and coordinate transformation parameters. A debug message is limited to 80 characters.

The coordinate transformation is presented in the format:

$\displaystyle{ \bar{\mathbf x} = {\mathbf A} {\mathbf x} + {\mathbf x}_0}$

where ${\mathbf x}$ is the original coordinate, $\bar{\mathbf x}$ is the transformed coordinate, ${\mathbf A}$ is a rotation/scaling matrix and ${\mathbf x}_0$ represents a translation. ${\mathbf A}$ and ${\mathbf x}_0$ can be the result of multiple layers of INCLUDE with different translations, scalings ans rotations.

Example

User-defined debug information

A number of cubes are generated with COMPONENT_BOX and with the ~repeat command. There is maximum allowed coordinate $x0=1.8$. A debug command is added to warn if this limit is exceeded.

*UNIT_SYSTEM SI *PARAMETER %id = 0, "index" %Nx = 10, "number of boxes in x-direction" %Ny = 5, "number of boxes in y-direction" %L = 0.01, "box size" # # --- MESH --- # ~repeat [%Nx] ~repeat [%Ny] *PARAMETER %id = %id + 1 %x0 = 0.1*r1 + 0.2*r2 %y0 = 0.2*r1 + 0.1*r2 *COMPONENT_BOX [%id], 1, 1, 1, 1 [%x0], [%y0], 0, [%x0+%L], [%y0+%L], [%L] ~if %x0 > 1.8 *OUTPUT_DEBUG "Too large coordinate x0 =[%x0]" ~end_if ~end_repeat ~end_repeat # # --- MATERIAL --- # *MAT_RIGID "boxes" 1, 1000.0 # # --- PART --- # *PART "boxes" 1, 1 *END

A debug section is added to the impetus.info file. In this specific case, with the information:

[ OUTPUT DEBUG ] . DEBUG MESSAGE "Too large coordinate x0 = 0.190E+01" File name main.k Line number 19 Repeat cycle r1 9 Repeat cycle r2 5 Repeat cycle r3 0 nid_offset 0 eid_offset 0 pid_offset 0 mid_offset 0 gid_offset 0 x0(:) 0.000E+00 0.000E+00 0.000E+00 A(1,:) 1.000E+00 0.000E+00 0.000E+00 A(2,:) 0.000E+00 1.000E+00 0.000E+00 A(3,:) 0.000E+00 0.000E+00 1.000E+00 . DEBUG MESSAGE "Too large coordinate x0 = 2" File name main.k Line number 19 Repeat cycle r1 10 Repeat cycle r2 5 Repeat cycle r3 0 nid_offset 0 eid_offset 0 pid_offset 0 mid_offset 0 gid_offset 0 x0(:) 0.000E+00 0.000E+00 0.000E+00 A(1,:) 1.000E+00 0.000E+00 0.000E+00 A(2,:) 0.000E+00 1.000E+00 0.000E+00 A(3,:) 0.000E+00 0.000E+00 1.000E+00