5. DATA OUTPUT

FRIC2D can produce three forms of output; the run information, a graphics file and an output file. The output file includes original data and computed results. The first two sections of this chapter discuss the first two types of output while the rest of the chapter explores the information within the output file.

Chapter Contents:

5.1 Run Information

While running Fric2d writes output to the standard output which contains information about the status of the process. The information includes the loading step, the fracture growth increment and the number of convergence iterations.

If tensile stresses develop across the frictional interfaces a warning will be printed with this information. Under tension, the surfaces of the fault elements are no longer in contact and the shear stress becomes zero. Under these conditions it may be difficult for the solution to converge. This is not a problem when only a few elements have tensile stresses but can be a large problem when there are many.

A job may run without ever converging. This happens because several fault elements see-saw smal amonts of slip back and forth between iterations. Under such conditions, it may be neccesary to kill the job. Examination of the run information provides critical information on whether a job is being productive or has stalled because of tensile stresses across several elements and see-sawing slip. Version 2.0 of FRIC2D automatically stops after 100 iterations to prevent run-away jobs.

Here is an example of the run information for the sample data file of figure 4.4. Note: there is no frictional slip along the faults in this example and so the number of iterations is 1. 

The loading step is now 1 out of 2.
   Starting fracture growth increment #1 of 2
      Iteration: 1 

The loading step is now 2 out of 2.
   Starting fracture growth increment #1 of 2
      Iteration: 1

5.2 Graphics File

When given the -g option, FRIC2D will produce a graphics file in SGI Inventor format. On a Silicon Graphics workstations the file can be viewed as follows:

ivview graphicsFile

Boundary lines will be blue, faults are green and fractures are red.

5.3 Original Data

At the beginning of a FRIC2D output file the following data are listed:

  1. problem titles: title1 and title2;
  2. symmetry of the problem;
  3. which iteration of data need to be printed;
  4. whether or not the boundary data, fracture data, fault data, and observation line data need to be printed;
  5. gravity loading conditions;
  6. numbers of straight line boundary segments, fractures, faults and observation lines;
  7. elastic constants: Young's modulus and Poisson's ratio;
  8. fracture toughness and tensile strength
  9. convergence tolerance

The loading step is printed out at the begining of each set of data.

5.4 Boundary Element Data

On the request of the user, i.e. bdata=1, FRIC2D outputs the basic data, and stress and displacement data of individual boundary elements.

5.4.1 Basic Data

Boundary element basic data are those entered by the user. For each boundary element, a line of basic data is given in following order:

  1. element name, Elt, usually in numbers 1, 2, 3, ;
  2. x and y coordinates of the two ends, (X-beg, Y-beg) and (X-end, Y-end);
  3. Length of the boundary element, in meters.
  4. Angle of the boundary element with respect to x-axis, in degrees;
  5. type of boundary conditions, kode (referred to section 4.3);
  6. Static shear and normal components of boundary values, US (uso) or Sig-S (tso), and UN (uno) or Sig-N (tno), in meters for displacements and in MPa for tractions;
  7. Monotonic shear and normal components of boundary values, US (uso) or Sig-S (tso), and UN (uno) or Sig-N (tno), in meters for displacements and in MPa for tractions.

Since the basic data doesn't change for each loading step this data is only printed in the first step. This serves to reduce the file size which could become large if there are hundreds of elements and many loading steps.

5.4.2 Tractions, Displacements and Displacement Discontinuities

Stress and displacement data for each element are listed in a FRIC2D output file in following order:

  1. element name, Elt;
  2. shear component of displacement discontinuity, DS; corresponding displacements on the negative and positive sides of the boundary element, US(-) and US(+) (see Figure 2.8 or section 2.1);
  3. normal component of displacement discontinuity, DN; corresponding displacements on the negative and positive sides of the boundary element, UN(-) and UN(+) (see Figure 2.8 or section 2.1);
  4. shear and normal traction components on the boundary element. (these include gravity stresses)

5.5 Fracture Data

The output of fracture data in a FRIC2D output file is similar to the boundary element data. When the user needs fracture data, i.e. fdata=1, FRIC2D will output the basic data, tractions, displacements and displacement discontinuities of individual fractures.

5.5.1 Basic Data

The output of basic fracture data is similar to that for the boundary element data. For each fracture, a line of basic data are listed in following order:

  1. element number, Elt;
  2. x and y coordinates of the two ends, (xbeg, ybeg) and (xend, yend);
  3. Length of the fracture, in the unit of meter.
  4. Angle of the boundary element with respect to x-axis, in degrees;
  5. type of boundary conditions, kode (referred to section 4.3);
  6. Static shear and normal components of boundary values, US (uso) or Sig-S (tso), and UN (uno) or Sig-N (tno), in meters for displacements and in MPa for tractions;
  7. Monotonic shear and normal components of boundary values, US (uso) or Sig-S (tso), and UN (uno) or Sig-N (tno), in meters for displacements and in MPa for tractions.

5.5.2 Tractions, Displacements and Displacement Discontinuities

FRIC2D outputs stress and displacement data of individual fractures in a similar manner to boundary element data as follows:

  1. element number;
  2. shear components of displacement discontinuity, DS; corresponding displacements on the positive and negative sides of the fracture elements (see Figure 2.8 or section 2.1);
  3. normal components of displacement discontinuity, DN; corresponding displacements on the positive and negative sides of the fracture elements (see Figure 2.8 or section 2.1);
  4. shear and normal traction components on the fracture elements; (these include gravity stresses)

5.6 Fault Data

The output of fault data in a FRIC2D output file is similar to the boundary and fracture element data. When the user needs fault data, i.e. faultData=1, FRIC2D will output the basic data, tractions, displacements and displacement discontinuities of individual faults.

5.4.1 Basic Data

The output of basic frault data is similar to that for the boundary and fracture element data and is only printed in the first loading step. For each fault, a line of basic data are listed in following order:

  1. element number, Elt;
  2. x and y coordinates of the two ends, (xbeg, ybeg) and (xend, yend);
  3. Length of the fracture, in the unit of meter.
  4. Angle of the fracture with respect to x-axis, in the unit of degree;
  5. Shear and Normal stiffness;
  6. cohesion and coefficient of friction.

5.4.2 Tractions, Displacements and Displacement Discontinuities

FRIC2D outputs stress and displacement data of individual fractures in a similar manner to boundary element data as follows:

  1. element number;
  2. shear components of displacement discontinuity, DS; corresponding displacements on the positive and negative sides of the fracture elements (see Figure 2.8 or section 2.1);
  3. normal components of displacement discontinuity, DN; corresponding displacements on the positive and negative sides of the fracture elements (see Figure 2.8 or section 2.1);
  4. shear and normal traction components on the fracture elements; (these include gravity stresses)

5.5 Observation Point Data

Observation points are defined by observation lines. FRIC2D outputs the coordinates, displacements and stress at specified points in following order:

  1. line names;
  2. x and y coordinates of the specified points, (X-coord, Y-coord);
  3. displacement components in the x and y directions, UX (ux) and UY (uy), in meters;
  4. normal and shear stress components with and without gravity, Sigma-XX (sxx), Sigma-YY (syy), and Sigma-XY (sxy), in MPa.

The stresses without gravity are provided to assist with analysis of the just the tectonic stress field in the model.

5.6 List of slipped elements

At the end of each loading step the fault elements that slipped in that loading step are listed. The fault name is given followed by a list of elements on that fault which slipped.

5.7 An Example

The output data from FRIC2D for the problem given in Figure 4.4 is as follows: 

 

***********************************************************************

TITLE1: Splay crack growth along two faults;

TITLE2: with a nearby kinked fracture;


SYMMETRY: none

Data will be written from the following iterations:
    1  

     Boundary Data:..........no
     Fracture Data:..........yes
     Fault Data:.............yes
     Observation Line Data:..yes

     Superpose Gravitational Stresses ....no
        0.250000 = Ratio of horizontal:vertical gravitational stresses
     2600.000000 = Rock Density

           4 = number of straight-line boundary segments
           1 = number of fractures
           2 = number of faults
           5 = number of observation lines

    0.200000 = poisson's ratio
10000.000000 = young's modulus
    2.500000 = Fracture Toughness
   10.000000 = Tensile Strength
    0.001000 = Convergence Tolerance




===============================
DATA FROM LOADING STEP #1 OF 2
===============================


RESULTS AFTER 1 ITERATIONS:
============================
  If 1 = 101 convergence was incomplete and some interface elements
  do not match the solution.   In some cases this may be resolved with a
  lower tolerance.  If some faults are slipping a lot (>0.5m) the
  locally high strains will prevent convergence.  In this case try
  smaller boudary loads/displacements or simpler fault geometry.


=========================
DATA FROM ITERATION #1
=========================


--------------
FRACTURES     
--------------

FRACTURE: crack

												    STATIC 		 MONOTONIC
 Elt        X-beg        Y-beg        X-end        Y-end       Length    Angle kode  US or Sig-S  UN or Sig-N US or Sig-S  UN or Sig-N
---- ------------ ------------ ------------ ------------ ------------ -------- ---- ------------ ------------ ------------ ------------
  61     -5.00000     -5.00000     -4.50000     -4.50000      0.70711   45.000    1  0.00000e+00  0.00000e+00  0.00000e+00  0.00000e+00
  62     -4.50000     -4.50000     -4.00000     -4.00000      0.70711   45.000    1  0.00000e+00  0.00000e+00  0.00000e+00  0.00000e+00
  63     -4.00000     -4.00000     -3.50000     -3.50000      0.70711   45.000    1  0.00000e+00  0.00000e+00  0.00000e+00  0.00000e+00
  64     -3.50000     -3.50000     -3.00000     -3.00000      0.70711   45.000    1  0.00000e+00  0.00000e+00  0.00000e+00  0.00000e+00
  65     -3.00000     -3.00000     -2.50000     -2.50000      0.70711   45.000    1  0.00000e+00  0.00000e+00  0.00000e+00  0.00000e+00
  66     -2.50000     -2.50000     -2.00000     -2.00000      0.70711   45.000    1  0.00000e+00  0.00000e+00  0.00000e+00  0.00000e+00
  67     -2.00000     -2.00000     -1.50000     -1.50000      0.70711   45.000    1  0.00000e+00  0.00000e+00  0.00000e+00  0.00000e+00
  68     -1.50000     -1.50000     -1.00000     -1.00000      0.70711   45.000    1  0.00000e+00  0.00000e+00  0.00000e+00  0.00000e+00
  69     -1.00000     -1.00000     -0.50000     -0.50000      0.70711   45.000    1  0.00000e+00  0.00000e+00  0.00000e+00  0.00000e+00
  70     -0.50000     -0.50000      0.00000      0.00000      0.70711   45.000    1  0.00000e+00  0.00000e+00  0.00000e+00  0.00000e+00
  71      0.00000      0.00000      0.00000      1.00000      1.00000   90.000    1  0.00000e+00  0.00000e+00  0.00000e+00  0.00000e+00
  72      0.00000      1.00000      0.00000      2.00000      1.00000   90.000    1  0.00000e+00  0.00000e+00  0.00000e+00  0.00000e+00
  73      0.00000      2.00000      0.00000      3.00000      1.00000   90.000    1  0.00000e+00  0.00000e+00  0.00000e+00  0.00000e+00
  74      0.00000      3.00000      0.00000      4.00000      1.00000   90.000    1  0.00000e+00  0.00000e+00  0.00000e+00  0.00000e+00
  75      0.00000      4.00000      0.00000      5.00000      1.00000   90.000    1  0.00000e+00  0.00000e+00  0.00000e+00  0.00000e+00

 Elt           DS        US(-)        US(+)           DN        UN(-)        UN(+)      Sigma-S      Sigma-N
---- ------------ ------------ ------------ ------------ ------------ ------------ ------------ ------------
  61  2.17034e-03  9.35274e+09  9.35274e+09  2.33188e-03  1.02280e+10  1.02280e+10  1.22565e-03  1.10826e-03
  62  3.12592e-03  9.35274e+09  9.35274e+09  3.35050e-03  1.02280e+10  1.02280e+10  1.18056e-03  7.43837e-04
  63  3.73883e-03  9.35274e+09  9.35274e+09  3.99422e-03  1.02280e+10  1.02280e+10  1.19001e-03  7.21638e-04
  64  4.15678e-03  9.35274e+09  9.35274e+09  4.42112e-03  1.02280e+10  1.02280e+10  1.13710e-03  4.91849e-04
  65  4.43438e-03  9.35274e+09  9.35274e+09  4.68928e-03  1.02280e+10  1.02280e+10  1.56020e-03  5.64319e-04
  66  4.59665e-03  9.35274e+09  9.35274e+09  4.82518e-03  1.02280e+10  1.02280e+10  6.48130e-04  2.80077e-04
  67  4.65468e-03  9.35274e+09  9.35274e+09  4.84051e-03  1.02280e+10  1.02280e+10  6.21105e-04  4.19245e-04
  68  4.60891e-03  9.35274e+09  9.35274e+09  4.73763e-03  1.02280e+10  1.02280e+10  6.31250e-04  4.38487e-04
  69  4.44449e-03  9.35274e+09  9.35274e+09  4.50887e-03  1.02280e+10  1.02280e+10  1.22451e-03  3.05189e-04
  70  4.09926e-03  9.35274e+09  9.35274e+09  4.12538e-03  1.02280e+10  1.02280e+10  7.24049e-04  4.52643e-04
  71  4.53125e-03  1.38457e+10  1.38457e+10  2.08080e-04  6.18892e+08  6.18892e+08 -1.44649e-04 -2.35186e-04
  72  3.73088e-03  1.38457e+10  1.38457e+10  3.08192e-04  6.18892e+08  6.18892e+08 -2.88236e-05 -3.49146e-04
  73  3.00317e-03  1.38457e+10  1.38457e+10  3.49802e-04  6.18892e+08  6.18892e+08  1.24489e-04 -1.20935e-04
  74  2.27425e-03  1.38457e+10  1.38457e+10  3.34815e-04  6.18892e+08  6.18892e+08 -2.69605e-04 -6.78479e-04
  75  1.44378e-03  1.38457e+10  1.38457e+10  2.53089e-04  6.18892e+08  6.18892e+08 -2.67698e-04 -2.82075e-05


--------------
FAULTS     
--------------

FAULT: first

 Elt        X-beg        Y-beg        X-end        Y-end       Length    Shear Stiff Normal Stiff	cohesion	friction
---- ------------ ------------ ------------ ------------ ------------ --------------- --------------- ------------ ------------
  41    -10.00000    -10.00000     -8.00000    -10.00000      2.00000    0.000  1.00000e+05  1.00000e+05  0.00000e+00  4.00000e-01
  42     -8.00000    -10.00000     -6.00000    -10.00000      2.00000    0.000  1.00000e+05  1.00000e+05  0.00000e+00  4.00000e-01
  43     -6.00000    -10.00000     -4.00000    -10.00000      2.00000    0.000  1.00000e+05  1.00000e+05  0.00000e+00  4.00000e-01
  44     -4.00000    -10.00000     -2.00000    -10.00000      2.00000    0.000  1.00000e+05  1.00000e+05  0.00000e+00  4.00000e-01
  45     -2.00000    -10.00000      0.00000    -10.00000      2.00000    0.000  1.00000e+05  1.00000e+05  0.00000e+00  4.00000e-01
  46      0.00000    -10.00000      2.00000    -10.00000      2.00000    0.000  1.00000e+05  1.00000e+05  0.00000e+00  8.00000e-01
  47      2.00000    -10.00000      4.00000    -10.00000      2.00000    0.000  1.00000e+05  1.00000e+05  0.00000e+00  8.00000e-01
  48      4.00000    -10.00000      6.00000    -10.00000      2.00000    0.000  1.00000e+05  1.00000e+05  0.00000e+00  8.00000e-01
  49      6.00000    -10.00000      8.00000    -10.00000      2.00000    0.000  1.00000e+05  1.00000e+05  0.00000e+00  8.00000e-01
  50      8.00000    -10.00000     10.00000    -10.00000      2.00000    0.000  1.00000e+05  1.00000e+05  0.00000e+00  8.00000e-01

 Elt           DS        US(-)        US(+)           DN        UN(-)        UN(+)      Sigma-S      Sigma-N
---- ------------ ------------ ------------ ------------ ------------ ------------ ------------ ------------
  41 -3.63815e-07 -6.18892e+08 -6.18892e+08  5.72159e-05  1.38457e+10  1.38457e+10  3.61492e-02 -5.72055e+00
  42 -4.36627e-06 -6.18892e+08 -6.18892e+08  5.65908e-05  1.38457e+10  1.38457e+10  4.36546e-01 -5.65856e+00
  43 -7.65592e-06 -6.18892e+08 -6.18892e+08  4.97500e-05  1.38457e+10  1.38457e+10  7.64414e-01 -4.97321e+00
  44 -4.68993e-06 -6.18892e+08 -6.18892e+08  4.18906e-05  1.38457e+10  1.38457e+10  4.69537e-01 -4.18757e+00
  45  5.50650e-07 -6.18892e+08 -6.18892e+08  4.07728e-05  1.38457e+10  1.38457e+10 -5.43024e-02 -4.07522e+00
  46  3.33870e-06 -6.18892e+08 -6.18892e+08  4.39517e-05  1.38457e+10  1.38457e+10 -3.33424e-01 -4.39283e+00
  47  3.71939e-06 -6.18892e+08 -6.18892e+08  4.75888e-05  1.38457e+10  1.38457e+10 -3.71494e-01 -4.75870e+00
  48  2.90886e-06 -6.18892e+08 -6.18892e+08  5.02265e-05  1.38457e+10  1.38457e+10 -2.89944e-01 -5.02299e+00
  49  1.72651e-06 -6.18892e+08 -6.18892e+08  5.17966e-05  1.38457e+10  1.38457e+10 -1.73139e-01 -5.17909e+00
  50  5.72625e-07 -6.18892e+08 -6.18892e+08  5.24966e-05  1.38457e+10  1.38457e+10 -5.60294e-02 -5.24987e+00

FAULT: second

 Elt        X-beg        Y-beg        X-end        Y-end       Length    Shear Stiff Normal Stiff	cohesion	friction
---- ------------ ------------ ------------ ------------ ------------ --------------- --------------- ------------ ------------
  51    -10.00000     10.00000     -8.00000     10.00000      2.00000    0.000  1.00000e+05  1.00000e+05  0.00000e+00  8.00000e-01
  52     -8.00000     10.00000     -6.00000     10.00000      2.00000    0.000  1.00000e+05  1.00000e+05  0.00000e+00  8.00000e-01
  53     -6.00000     10.00000     -4.00000     10.00000      2.00000    0.000  1.00000e+05  1.00000e+05  0.00000e+00  8.00000e-01
  54     -4.00000     10.00000     -2.00000     10.00000      2.00000    0.000  1.00000e+05  1.00000e+05  0.00000e+00  8.00000e-01
  55     -2.00000     10.00000      0.00000     10.00000      2.00000    0.000  1.00000e+05  1.00000e+05  0.00000e+00  8.00000e-01
  56      0.00000     10.00000      2.00000     10.00000      2.00000    0.000  1.00000e+05  1.00000e+05  0.00000e+00  4.00000e-01
  57      2.00000     10.00000      4.00000     10.00000      2.00000    0.000  1.00000e+05  1.00000e+05  0.00000e+00  4.00000e-01
  58      4.00000     10.00000      6.00000     10.00000      2.00000    0.000  1.00000e+05  1.00000e+05  0.00000e+00  4.00000e-01
  59      6.00000     10.00000      8.00000     10.00000      2.00000    0.000  1.00000e+05  1.00000e+05  0.00000e+00  4.00000e-01
  60      8.00000     10.00000     10.00000     10.00000      2.00000    0.000  1.00000e+05  1.00000e+05  0.00000e+00  4.00000e-01

 Elt           DS        US(-)        US(+)           DN        UN(-)        UN(+)      Sigma-S      Sigma-N
---- ------------ ------------ ------------ ------------ ------------ ------------ ------------ ------------
  51  1.82583e-06 -6.18892e+08 -6.18892e+08  4.92102e-05  1.38457e+10  1.38457e+10 -1.82773e-01 -4.91923e+00
  52  1.92135e-06 -6.18892e+08 -6.18892e+08  4.69493e-05  1.38457e+10  1.38457e+10 -1.92655e-01 -4.69276e+00
  53  8.51376e-07 -6.18892e+08 -6.18892e+08  4.45968e-05  1.38457e+10  1.38457e+10 -8.53487e-02 -4.45860e+00
  54 -1.77335e-06 -6.18892e+08 -6.18892e+08  4.36271e-05  1.38457e+10  1.38457e+10  1.78139e-01 -4.36106e+00
  55 -4.94647e-06 -6.18892e+08 -6.18892e+08  4.61731e-05  1.38457e+10  1.38457e+10  4.94853e-01 -4.61528e+00
  56 -5.33009e-06 -6.18892e+08 -6.18892e+08  5.13078e-05  1.38457e+10  1.38457e+10  5.33184e-01 -5.12996e+00
  57 -3.02219e-06 -6.18892e+08 -6.18892e+08  5.41903e-05  1.38457e+10  1.38457e+10  3.02521e-01 -5.41663e+00
  58 -9.31634e-07 -6.18892e+08 -6.18892e+08  5.43490e-05  1.38457e+10  1.38457e+10  9.26389e-02 -5.43418e+00
  59  3.58914e-07 -6.18892e+08 -6.18892e+08  5.36734e-05  1.38457e+10  1.38457e+10 -3.70716e-02 -5.36531e+00
  60  1.21713e-06 -6.18892e+08 -6.18892e+08  5.28952e-05  1.38457e+10  1.38457e+10 -1.22335e-01 -5.28839e+00


-----------------
OBSERVATION LINES
-----------------

DISPLACEMENTS AND STRESSES AT SPECIFIED POINTS IN THE BODY

   X-coord      Y-coord         UX          UY        Sigma-XX     Sigma-YY      Sigma-XY
    -8.00000    -15.00000 -6.18892e+08  1.38457e+10 -5.60448e-02 -5.13749e+00  2.47645e-01 
    -8.00000     -7.50000 -6.18892e+08  1.38457e+10 -3.49879e-01 -6.30017e+00 -1.29867e-01 
    -8.00000     -3.75000 -6.18892e+08  1.38457e+10 -1.09792e+00 -6.27026e+00  4.90622e-01 
    -8.00000      0.00000 -6.18892e+08  1.38457e+10  4.76089e-01 -5.84167e+00  4.78188e-02 
    -8.00000      3.75000 -6.18892e+08  1.38457e+10  4.95877e-01 -5.22350e+00 -2.81623e-01 
    -8.00000      7.50000 -6.18892e+08  1.38457e+10  6.02573e-02 -4.88422e+00 -2.96824e-01 
    -8.00000     15.00000 -6.18892e+08  1.38457e+10 -2.55264e-01 -4.88470e+00 -1.10919e-01 
    -4.00000    -15.00000 -6.18892e+08  1.38457e+10 -2.06309e-01 -4.88254e+00  3.18179e-01 
    -4.00000     -7.50000 -6.18892e+08  1.38457e+10 -6.37589e-01 -3.60640e+00  1.21222e+00 
    -4.00000      0.00000 -6.18892e+08  1.38457e+10  4.26347e-01 -3.61065e+00 -9.14369e-01 
    -4.00000      3.75000 -6.18892e+08  1.38457e+10  5.02783e-01 -3.72173e+00 -5.31690e-01 
    -4.00000      7.50000 -6.18892e+08  1.38457e+10 -2.65957e-01 -4.01991e+00 -2.33786e-01 
    -4.00000     15.00000 -6.18892e+08  1.38457e+10 -2.52566e-01 -4.82099e+00  8.06730e-02 
     0.00000    -15.00000 -6.18892e+08  1.38457e+10 -2.81128e-01 -4.75988e+00  3.73314e-02 
     0.00000     -7.50000 -6.18892e+08  1.38457e+10  1.13936e-01 -3.92807e+00 -6.37664e-01 
     0.00000     -3.75000 -6.18892e+08  1.38457e+10  1.01741e+00 -4.05946e+00 -8.21786e-01 
     0.00000      7.50000 -6.18892e+08  1.38457e+10 -3.71125e-01 -4.83147e+00  1.05085e+00 
     0.00000     15.00000 -6.18892e+08  1.38457e+10 -1.36576e-01 -4.94336e+00  2.57727e-01 
     4.00000    -15.00000 -6.18892e+08  1.38457e+10 -1.86253e-01 -4.89411e+00 -1.77562e-01 
     4.00000     -7.50000 -6.18892e+08  1.38457e+10  3.53279e-01 -5.09540e+00 -3.64097e-01 
     4.00000     -3.75000 -6.18892e+08  1.38457e+10  4.86174e-01 -5.58886e+00  4.53931e-03 
     4.00000      0.00000 -6.18892e+08  1.38457e+10 -4.66760e-01 -5.82406e+00  2.53311e-01 
     4.00000      3.75000 -6.18892e+08  1.38457e+10 -7.43596e-01 -5.95476e+00  1.21020e-01 
     4.00000      7.50000 -6.18892e+08  1.38457e+10 -2.97411e-01 -5.71634e+00  7.01435e-02 
     4.00000     15.00000 -6.18892e+08  1.38457e+10 -1.10219e-02 -5.08305e+00  1.90945e-01 
     8.00000    -15.00000 -6.18892e+08  1.38457e+10 -1.28083e-01 -5.02406e+00 -1.84226e-01 
     8.00000     -7.50000 -6.18892e+08  1.38457e+10  1.58437e-01 -5.38391e+00 -1.51381e-02 
     8.00000     -3.75000 -6.18892e+08  1.38457e+10  8.72804e-02 -5.55317e+00  2.12430e-01 
     8.00000      0.00000 -6.18892e+08  1.38457e+10 -3.02423e-01 -5.52048e+00  2.63399e-01 
     8.00000      3.75000 -6.18892e+08  1.38457e+10 -5.09977e-01 -5.46212e+00  4.99303e-02 
     8.00000      7.50000 -6.18892e+08  1.38457e+10 -3.66816e-01 -5.41219e+00 -9.86546e-02 
     8.00000     15.00000 -6.18892e+08  1.38457e+10 -1.90689e-02 -5.08895e+00  2.84994e-02 



The following frictional elements slipped in this increment:
first:
second:


===============================
DATA FROM LOADING STEP #2 OF 2
===============================


RESULTS AFTER 1 ITERATIONS:
============================
  If 1 = 101 convergence was incomplete and some interface elements
  do not match the solution.   In some cases this may be resolved with a
  lower tolerance.  If some faults are slipping a lot (>0.5m) the
  locally high strains will prevent convergence.  In this case try
  smaller boudary loads/displacements or simpler fault geometry.


=========================
DATA FROM ITERATION #1
=========================


--------------
FRACTURES     
--------------

FRACTURE: crack

												    STATIC 		 MONOTONIC
 Elt        X-beg        Y-beg        X-end        Y-end       Length    Angle kode  US or Sig-S  UN or Sig-N US or Sig-S  UN or Sig-N
---- ------------ ------------ ------------ ------------ ------------ -------- ---- ------------ ------------ ------------ ------------
  76     -4.69558     -5.63822     -5.00000     -5.00000      0.70711  115.500    1  0.00000e+00  0.00000e+00  0.00000e+00  0.00000e+00
  61     -5.00000     -5.00000     -4.50000     -4.50000      0.70711   45.000    1  0.00000e+00  0.00000e+00  0.00000e+00  0.00000e+00
  62     -4.50000     -4.50000     -4.00000     -4.00000      0.70711   45.000    1  0.00000e+00  0.00000e+00  0.00000e+00  0.00000e+00
  63     -4.00000     -4.00000     -3.50000     -3.50000      0.70711   45.000    1  0.00000e+00  0.00000e+00  0.00000e+00  0.00000e+00
  64     -3.50000     -3.50000     -3.00000     -3.00000      0.70711   45.000    1  0.00000e+00  0.00000e+00  0.00000e+00  0.00000e+00
  65     -3.00000     -3.00000     -2.50000     -2.50000      0.70711   45.000    1  0.00000e+00  0.00000e+00  0.00000e+00  0.00000e+00
  66     -2.50000     -2.50000     -2.00000     -2.00000      0.70711   45.000    1  0.00000e+00  0.00000e+00  0.00000e+00  0.00000e+00
  67     -2.00000     -2.00000     -1.50000     -1.50000      0.70711   45.000    1  0.00000e+00  0.00000e+00  0.00000e+00  0.00000e+00
  68     -1.50000     -1.50000     -1.00000     -1.00000      0.70711   45.000    1  0.00000e+00  0.00000e+00  0.00000e+00  0.00000e+00
  69     -1.00000     -1.00000     -0.50000     -0.50000      0.70711   45.000    1  0.00000e+00  0.00000e+00  0.00000e+00  0.00000e+00
  70     -0.50000     -0.50000      0.00000      0.00000      0.70711   45.000    1  0.00000e+00  0.00000e+00  0.00000e+00  0.00000e+00
  71      0.00000      0.00000      0.00000      1.00000      1.00000   90.000    1  0.00000e+00  0.00000e+00  0.00000e+00  0.00000e+00
  72      0.00000      1.00000      0.00000      2.00000      1.00000   90.000    1  0.00000e+00  0.00000e+00  0.00000e+00  0.00000e+00
  73      0.00000      2.00000      0.00000      3.00000      1.00000   90.000    1  0.00000e+00  0.00000e+00  0.00000e+00  0.00000e+00
  74      0.00000      3.00000      0.00000      4.00000      1.00000   90.000    1  0.00000e+00  0.00000e+00  0.00000e+00  0.00000e+00
  75      0.00000      4.00000      0.00000      5.00000      1.00000   90.000    1  0.00000e+00  0.00000e+00  0.00000e+00  0.00000e+00
  77      0.00000      5.00000     -0.94264      5.33381      1.00000  160.500    1  0.00000e+00  0.00000e+00  0.00000e+00  0.00000e+00

 Elt           DS        US(-)        US(+)           DN        UN(-)        UN(+)      Sigma-S      Sigma-N
---- ------------ ------------ ------------ ------------ ------------ ------------ ------------ ------------
  76  1.29990e-03  1.34014e+10  1.34014e+10 -8.59237e-04 -5.63195e+09 -5.63195e+09 -2.56523e-04  2.76312e-03
  61  3.07330e-03  9.78241e+09  9.78241e+09  2.57351e-03  1.07528e+10  1.07528e+10  3.15331e-04  1.57647e-03
  62  3.70774e-03  9.78241e+09  9.78241e+09  3.39652e-03  1.07528e+10  1.07528e+10  2.37309e-04  1.51502e-03
  63  4.16306e-03  9.78241e+09  9.78241e+09  3.98851e-03  1.07528e+10  1.07528e+10  3.29530e-04  1.31313e-03
  64  4.49026e-03  9.78241e+09  9.78241e+09  4.39527e-03  1.07528e+10  1.07528e+10  5.14983e-04  1.08516e-03
  65  4.70730e-03  9.78241e+09  9.78241e+09  4.65248e-03  1.07528e+10  1.07528e+10  8.57309e-04  1.09247e-03
  66  4.82464e-03  9.78241e+09  9.78241e+09  4.78043e-03  1.07528e+10  1.07528e+10  2.41038e-04  1.10669e-03
  67  4.84671e-03  9.78241e+09  9.78241e+09  4.78861e-03  1.07528e+10  1.07528e+10  1.16960e-04  1.36545e-03
  68  4.77050e-03  9.78241e+09  9.78241e+09  4.67835e-03  1.07528e+10  1.07528e+10 -9.86744e-05  1.10304e-03
  69  4.57916e-03  9.78241e+09  9.78241e+09  4.44158e-03  1.07528e+10  1.07528e+10  7.68963e-04  9.75632e-04
  70  4.20842e-03  9.78241e+09  9.78241e+09  4.04952e-03  1.07528e+10  1.07528e+10  1.17000e-05  9.63561e-04
  71  4.52054e-03  1.45206e+10  1.45206e+10  9.65472e-05  6.86154e+08  6.86154e+08 -2.28603e-04  1.08725e-03
  72  3.69749e-03  1.45206e+10  1.45206e+10  2.13662e-04  6.86154e+08  6.86154e+08 -5.37531e-04  7.60728e-04
  73  2.93968e-03  1.45206e+10  1.45206e+10  2.70533e-04  6.86154e+08  6.86154e+08 -8.51366e-05  8.79344e-04
  74  2.16360e-03  1.45206e+10  1.45206e+10  2.65422e-04  6.86154e+08  6.86154e+08 -5.17150e-04  5.52491e-04
  75  1.24615e-03  1.45206e+10  1.45206e+10  1.67308e-04  6.86154e+08  6.86154e+08 -5.11457e-04  1.03395e-03
  77 -2.63081e-04  5.49386e+09  5.49386e+09  2.28323e-04 -1.34586e+10 -1.34586e+10 -5.97939e-05  2.02328e-03


--------------
FAULTS     
--------------

FAULT: first


 Elt           DS        US(-)        US(+)           DN        UN(-)        UN(+)      Sigma-S      Sigma-N
---- ------------ ------------ ------------ ------------ ------------ ------------ ------------ ------------
  41 -1.67721e-07 -6.86154e+08 -6.86154e+08  5.77092e-05  1.45206e+10  1.45206e+10  1.68243e-02 -5.76993e+00
  42 -4.52721e-06 -6.86154e+08 -6.86154e+08  5.72506e-05  1.45206e+10  1.45206e+10  4.52913e-01 -5.72504e+00
  43 -8.35575e-06 -6.86154e+08 -6.86154e+08  4.95079e-05  1.45206e+10  1.45206e+10  8.33082e-01 -4.94964e+00
  44 -4.71094e-06 -6.86154e+08 -6.86154e+08  4.07857e-05  1.45206e+10  1.45206e+10  4.71860e-01 -4.07772e+00
  45  9.65668e-07 -6.86154e+08 -6.86154e+08  4.02648e-05  1.45206e+10  1.45206e+10 -9.51184e-02 -4.02520e+00
  46  3.59733e-06 -6.86154e+08 -6.86154e+08  4.39893e-05  1.45206e+10  1.45206e+10 -3.59489e-01 -4.39695e+00
  47  3.78852e-06 -6.86154e+08 -6.86154e+08  4.78139e-05  1.45206e+10  1.45206e+10 -3.78894e-01 -4.78015e+00
  48  2.87532e-06 -6.86154e+08 -6.86154e+08  5.04657e-05  1.45206e+10  1.45206e+10 -2.86100e-01 -5.04481e+00
  49  1.63005e-06 -6.86154e+08 -6.86154e+08  5.19898e-05  1.45206e+10  1.45206e+10 -1.64537e-01 -5.19645e+00
  50  4.77536e-07 -6.86154e+08 -6.86154e+08  5.26279e-05  1.45206e+10  1.45206e+10 -4.56427e-02 -5.26037e+00

FAULT: second


 Elt           DS        US(-)        US(+)           DN        UN(-)        UN(+)      Sigma-S      Sigma-N
---- ------------ ------------ ------------ ------------ ------------ ------------ ------------ ------------
  51  1.78920e-06 -6.86154e+08 -6.86154e+08  4.92444e-05  1.45206e+10  1.45206e+10 -1.78850e-01 -4.92355e+00
  52  1.87826e-06 -6.86154e+08 -6.86154e+08  4.70161e-05  1.45206e+10  1.45206e+10 -1.88217e-01 -4.70020e+00
  53  8.51757e-07 -6.86154e+08 -6.86154e+08  4.46909e-05  1.45206e+10  1.45206e+10 -8.50640e-02 -4.46764e+00
  54 -1.65020e-06 -6.86154e+08 -6.86154e+08  4.36210e-05  1.45206e+10  1.45206e+10  1.66986e-01 -4.35974e+00
  55 -4.86409e-06 -6.86154e+08 -6.86154e+08  4.58723e-05  1.45206e+10  1.45206e+10  4.87082e-01 -4.58416e+00
  56 -5.48623e-06 -6.86154e+08 -6.86154e+08  5.10347e-05  1.45206e+10  1.45206e+10  5.49108e-01 -5.10111e+00
  57 -3.19116e-06 -6.86154e+08 -6.86154e+08  5.41814e-05  1.45206e+10  1.45206e+10  3.19502e-01 -5.41468e+00
  58 -1.00961e-06 -6.86154e+08 -6.86154e+08  5.44727e-05  1.45206e+10  1.45206e+10  9.97387e-02 -5.44534e+00
  59  3.53687e-07 -6.86154e+08 -6.86154e+08  5.38183e-05  1.45206e+10  1.45206e+10 -3.73827e-02 -5.37922e+00
  60  1.26218e-06 -6.86154e+08 -6.86154e+08  5.30128e-05  1.45206e+10  1.45206e+10 -1.26997e-01 -5.29870e+00


-----------------
OBSERVATION LINES
-----------------

DISPLACEMENTS AND STRESSES AT SPECIFIED POINTS IN THE BODY

   X-coord      Y-coord         UX          UY        Sigma-XX     Sigma-YY      Sigma-XY
    -8.00000    -15.00000 -6.86154e+08  1.45206e+10 -4.34598e-02 -5.14735e+00  2.63522e-01 
    -8.00000     -7.50000 -6.86154e+08  1.45206e+10 -4.00140e-01 -6.36597e+00 -2.04911e-01 
    -8.00000     -3.75000 -6.86154e+08  1.45206e+10 -1.09973e+00 -6.29172e+00  5.18407e-01 
    -8.00000      0.00000 -6.86154e+08  1.45206e+10  4.98280e-01 -5.84077e+00  4.79261e-02 
    -8.00000      3.75000 -6.86154e+08  1.45206e+10  4.98810e-01 -5.21863e+00 -2.82162e-01 
    -8.00000      7.50000 -6.86154e+08  1.45206e+10  6.28665e-02 -4.88618e+00 -2.88249e-01 
    -8.00000     15.00000 -6.86154e+08  1.45206e+10 -2.53029e-01 -4.88700e+00 -1.13134e-01 
    -4.00000    -15.00000 -6.86154e+08  1.45206e+10 -2.03811e-01 -4.87032e+00  3.32349e-01 
    -4.00000     -7.50000 -6.86154e+08  1.45206e+10 -6.18789e-01 -3.18852e+00  1.30613e+00 
    -4.00000      0.00000 -6.86154e+08  1.45206e+10  4.58483e-01 -3.56612e+00 -8.81081e-01 
    -4.00000      3.75000 -6.86154e+08  1.45206e+10  4.94206e-01 -3.72681e+00 -5.33716e-01 
    -4.00000      7.50000 -6.86154e+08  1.45206e+10 -2.42333e-01 -4.04800e+00 -2.14647e-01 
    -4.00000     15.00000 -6.86154e+08  1.45206e+10 -2.51050e-01 -4.81923e+00  7.71826e-02 
     0.00000    -15.00000 -6.86154e+08  1.45206e+10 -2.77478e-01 -4.74813e+00  2.68423e-02 
     0.00000     -7.50000 -6.86154e+08  1.45206e+10  2.25503e-01 -3.96004e+00 -6.42923e-01 
     0.00000     -3.75000 -6.86154e+08  1.45206e+10  8.59885e-01 -4.07266e+00 -8.01708e-01 
     0.00000      7.50000 -6.86154e+08  1.45206e+10 -3.48025e-01 -4.71687e+00  1.08232e+00 
     0.00000     15.00000 -6.86154e+08  1.45206e+10 -1.37396e-01 -4.93500e+00  2.59346e-01 
     4.00000    -15.00000 -6.86154e+08  1.45206e+10 -1.74160e-01 -4.89720e+00 -1.91370e-01 
     4.00000     -7.50000 -6.86154e+08  1.45206e+10  3.80052e-01 -5.12695e+00 -3.40746e-01 
     4.00000     -3.75000 -6.86154e+08  1.45206e+10  4.36370e-01 -5.60622e+00  3.22750e-02 
     4.00000      0.00000 -6.86154e+08  1.45206e+10 -5.31210e-01 -5.85271e+00  2.32964e-01 
     4.00000      3.75000 -6.86154e+08  1.45206e+10 -7.50812e-01 -5.99295e+00  9.32453e-02 
     4.00000      7.50000 -6.86154e+08  1.45206e+10 -2.56840e-01 -5.74157e+00  7.08637e-02 
     4.00000     15.00000 -6.86154e+08  1.45206e+10 -6.46325e-03 -5.08146e+00  1.96705e-01 
     8.00000    -15.00000 -6.86154e+08  1.45206e+10 -1.16595e-01 -5.02752e+00 -1.87321e-01 
     8.00000     -7.50000 -6.86154e+08  1.45206e+10  1.63545e-01 -5.39598e+00  3.77620e-03 
     8.00000     -3.75000 -6.86154e+08  1.45206e+10  6.34613e-02 -5.55705e+00  2.28745e-01 
     8.00000      0.00000 -6.86154e+08  1.45206e+10 -3.34737e-01 -5.52195e+00  2.56809e-01 
     8.00000      3.75000 -6.86154e+08  1.45206e+10 -5.18843e-01 -5.47336e+00  2.91393e-02 
     8.00000      7.50000 -6.86154e+08  1.45206e+10 -3.52333e-01 -5.42744e+00 -1.11019e-01 
     8.00000     15.00000 -6.86154e+08  1.45206e+10 -1.27776e-02 -5.09194e+00  3.35742e-02 



The following frictional elements slipped in this increment:
first:
second:

Go to Chapter 1 , 2 , 3 , or 4