isow

阐述了建立物质本构关系时应满足的基本公理, 较详细地推导了各种类型粘 弹性物质的本构关系, 论述了变率理论与泛函理论之间的关系, 推导了对于粘弹性问题 求解具有实用意义的对应定理, 并以简单的例子

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    Program name (sun4):  /home/dcorriga/sun4/exe/isow
    Program name (sun5):  /home/dcorriga/sun5/exe/isow

    Purpose:    Synthetic seismograms for the problem of a
                water layer over a layered half space in
                which each layer is elastic

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Card #1   Columns   Definition
          -------   ----------
            1-4     'ISOW'
             15        'N'
           21-70    Output SEGY data set name

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Card #2   Columns   Definition
          -------   ----------
            1-60    Identifying Text

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Card #3   Columns   Definition
          -------   ----------
            1-10    Receiver geometry:
                    = 0: Conventional streamer: output P
                    = 1: Bottom cable: output (P,Uz)
                    = 2: Bottom cable: output (Ux,Uz)
           11-20    Source radius (must be > 0)
           21-30    Source depth (must be > 0)
           31-40    Receiver depth (must be > 0)
           41-50    Spreading model: 
                    = 0: 2D propagation
                    = 1: 3D propagation
           51-60    Direct arrival/free surface options:

                    Option   Free Surface  Direct Arrival
                    ------   ------------  --------------
                       0        Yes           Yes
                       1        No            Yes
                       2        Yes           No 
                       3        No            Nos

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Card #4   Columns   Definition
          -------   ----------
            1-10    Low cut frequency
           11-20    Low pass frequency
           21-30    High pass frequency
           31-40    High cut frequency

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Card #5   Columns   Definition
          -------   ----------
            1-10    Sample rate (ms)
           11-20    Record length (ms)
           21-30    First offset
           31-40    Offset increment
           41-50    Number of offsets

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Card #6   Columns   Definition
          -------   ----------
            1-10    Number of layers
           11-20    Minimum velocity for computation
           21-30    Number of ray parameters (max = 1200)
           31-40    Percent taper in wavenumber

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Card #7   Columns   Definition
          -------   ----------
            1-10    Water layer velocity
           11-20    Not used
           21-30    Water density
           31-40    Q-value for water
           41-50    Not used
           51-60    Water thickness

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         For each layer:

Card #8   Columns   Definition
          -------   ----------
            1-10    Vertical P-wave velocity
           11-20    Vertical S-wave velocity
           21-30    Density
           31-40    P-wave Q-value 
           41-50    S-wave Q-value
           51-60    Layer thickness

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     Typical run:

          /home/dcorriga/sun5/exe/isow < celt01.p > celt01.d &

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     Sample cards in file:

           /home/dcorriga/run/msyn/isow/celt01.p


ISOW          N     /local1/msyn/tissal3.segy
 SAN SALVADOR ISO MODEL 03 / NK 800 / no free surface /
         0         2         6         8         1         3
         3         6        48        64  
         4      3000      12.5      12.5       240
         9      1400       800        10
      1480                1.00       300                 100
      1844       590      2.12        60        40       343
      2476      1033      2.28        80        60       290
      2588      1034      2.30       100        80       476
      2700      1200      2.32       120       100       750
      2844      1292      2.35       120       100       800
      2933      1832      2.00       120       100        49
      3203      1760      2.28       120       100        14
      2844      1292      2.35       120       100         0
----+----1----+----2----+----3----+----4----+----5----+----6----+----7