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------------------------------------------------------------------------------- ------------------------------------------------------------------------------- Program S P E C F E M : start ------------------------------------------------------------------------------- ------------------------------------------------------------------------------- Layered medium example 1 ------------------------------------------------------------------------------- ------------------------------------------------------------------------------- D a t e : 30 - 05 - 2007 T i m e : 15:24:52 ------------------------------------------------------------------------------- ------------------------------------------------------------------------------- E c h o S e t t i n g s ========================= Echo during input phase. . . . . . . . . . . (Verbose(1)) = T Echo during init phase . . . . . . . . . . . (Verbose(2)) = T Echo during check phase. . . . . . . . . . . (Verbose(3)) = T Echo during run phase. . . . . . . . . . . . (Verbose(4)) = T Display frequency . . . . . . . . . . . . .(ItSnapshots) = 500 First display. . . . . . . . . . . . . . . .(ItSnapshot1) = 0 Basic info output frequency. . . . . . . . . . . (ItInfo) = 500 G e n e r a l P a r a m e t e r s =================================== Execution mode . . . . . . . . . . . . . . . (iexec) = check Number of nodes per edge . . . . . . . . . . .(ngll) = 9 Number of d.o.f per node . . . . . . . . . . .(ndof) = 2 Highest frequency to be resolved . . . . . . .(fmax) = 250.000E+00 M e s h G e n e r a t i o n ============================= Method. . . . . . . . . . . . . . . . .(method) = LAYERED Minimum X . . . . . . . . . . . . . . (xlim(1)) = -100.000E+00 Maximum X . . . . . . . . . . . . . . (xlim(2)) = 300.000E+00 Minimum Z . . . . . . . . . . . . . . . .(zmin) = -250.000E+00 Number of elements along X. . . . . . . . .(nx) = 40 Number of layers. . . . . . . . . . . .(nlayer) = 2 Layer number. . . . . . . . . . . . . . . (tag) = 1 Number of elements along Z. . . . . . . . .(nz) = 20 Z of top surface from 1D distribution . (ztopH) = SPLINE Layer number. . . . . . . . . . . . . . . (tag) = 2 Number of elements along Z. . . . . . . . .(nz) = 11 Z of top surface from 1D distribution . (ztopH) = LINEAR Number of elements along X. . . . . . . . .(nx) = 31 Element type. . . . . . . . . . . . . . . . . . = Q9 T i me i n t e g r a t i o n ============================== Scheme. . . . . . . . . . . . . .(kind) = leapfrog Number of time steps. . . . . (NbSteps) = 12000 Time step increment . . . . . . . .(Dt) = 25.000E-06 Total simulation duration . (TotalTime) = 300.000E-03 M a t e r i a l s e t s : 2 D e l a s t i c i t y ====================================================== Number of material sets . . . . . . . . . = 2 ------------------------ Material set number . . . . . . . . . . . = 1 -- Isotropic material -- P-wave velocity. . . . . . . . . . . (cp) = 3.700E+03 S-wave velocity. . . . . . . . . . . (cs) = 1.820E+03 Mass density. . . . . . . . . . . (denst) = 920.000E+00 Poisson's ratio . . . . . . . . . (poiss) = 340.406E-03 First Lame parameter Lambda. . . . (alam) = 6.500E+09 Second Lame parameter Mu. . . . . . (amu) = 3.047E+09 Bulk modulus K . . . . . . . . . . (Kvol) = 8.532E+09 Young's modulus E . . . . . . . . (young) = 8.170E+09 ------------------------ Material set number . . . . . . . . . . . = 2 -- Isotropic material -- P-wave velocity. . . . . . . . . . . (cp) = 5.100E+03 S-wave velocity. . . . . . . . . . . (cs) = 2.900E+03 Mass density. . . . . . . . . . . (denst) = 2.000E+03 Poisson's ratio . . . . . . . . . (poiss) = 261.080E-03 First Lame parameter Lambda. . . . (alam) = 18.380E+09 Second Lame parameter Mu. . . . . . (amu) = 16.820E+09 Bulk modulus K . . . . . . . . . . (Kvol) = 29.593E+09 Young's modulus E . . . . . . . . (young) = 42.423E+09 B o u n d a r y C o n d i t i o n s ===================================== Boundary Tag = 1 Type = Absorbing boundary Stacey Periodic =F Boundary Tag = 2 Type = Absorbing boundary Stacey Periodic =F Boundary Tag = 4 Type = Absorbing boundary Stacey Periodic =F S o u r c e F u n c t i o n s ============================== X-position (meters). . . . . . . . . . = 0.000E+00 Y-position (meters). . . . . . . . . . = -150.000E+00 Function Type. . . . . . . . . . . . . = Ricker Fundamental frequency (Hz) . . . . . . = 100.000E+00 Time delay (s) . . . . . . . . . . . . = 11.000E-03 Multiplying factor . . . . . . . . . . = 1.000E+00 Source Type. . . . . . . . . . . . . . = Collocated Force If P-SV: counterclockwise angle / up . =0.00 R e c e i v e r s ================= Number of receivers . . . . . . . . . . . . (number) = 21 Subsampling for seismograms recording . . . .(isamp) = 40 Field recorded. . . . . . . . . . . . . . . .(field) = V Axis of the seismogram plot . . . . . . . . .(irepr) = D S n a p s h o t O u t p u t s =============================== Save results in PS file or not . . . . .(postscript) = T Save results in AVS file or not. . . . . . . . (avs) = F Save results in Visual3 file or not. . . . (visual3) = F Save results in binary file or not . . . . . . (bin) = T Selected fields : Displacement . . . . . . . . . . . . . . . . . . . = F Velocity . . . . . . . . . . . . . . . . . . . . . = T Acceleration . . . . . . . . . . . . . . . . . . . = F Strain . . . . . . . . . . . . . . . . . . . . . . = F Stress . . . . . . . . . . . . . . . . . . . . . . = F Selected components for PostScript snapshots : X . . . . . . . . . . . . . . . . . . . . . . . . = F Y . . . . . . . . . . . . . . . . . . . . . . . . = F Z . . . . . . . . . . . . . . . . . . . . . . . . = F Amplitude . . . . . . . . . . . . . . . . . . . . = T P o s t S c r i p t O u t p u t s =================================== Plot mesh . . . . . . . . . . . . . . . . . . (mesh) = F Numbered mesh . . . . . . . . . . . . . . .(numbers) = F Background fill . . . . . . . . . . . . (background) = none Subsampling for velocity model display . (isubsamp) = 3 Color display . . . . . . . . . . . . . . . .(color) = T Plot boundaries . . . . . . . . . . . . (boundaries) = T Plot symbols . . . . . . . . . . . . . . .(symbols) = T Write legends . . . . . . . . . . . . . . . (legend) = T Plot vector fields . . . . . . . . . . . .(vectors) = F Amplitude-Scaling . . . . . . . . . . . (ScaleField) = 0.00 Interpolate vector field . . . . . . . . (interpol) = T Points per edge for interpolation . . . (DisplayPts) = 3 Defining the FEM mesh ...... [OK] Defining the SEM mesh ... G L L g r i d =============== Numbering GLL points ... ... [OK] Nodes of the global mesh . . . . = 79929 Interior points . . . . . . . . . = 60760 Edge points (without corners) . . = 17857 Corner points . . . . . . . . . . = 1312 Saving node index table (ibool) in a binary file ...... [OK] Defining nodes coordinates ...... [OK] Saving the grid coordinates (coord) in a text file... ...... [OK] Saving the grid coordinates (coord) in a binary file... ...... [OK]... [OK] Translating input velocity model ...... [OK] Defining elasticity work arrays ...... [OK] Exporting model ...... [OK] Checking mesh ...... [OK] ==================================================== Mesh properties checkboard ==================================================== Max mesh size = 2.968E+00 Min mesh size = 208.008E-03 Ratio max/min = 14.271E+00 RESOLUTION: nodes per min wavelength = 5.578E+00 Dump PostScript Resolution_sem2d.ps ...... [OK]Dump PostScript Stability_sem2d.ps ...... [OK] ==================================================== Time solver settings ==================================================== Time step (secs) = 25.000E-06 Number of time steps = 12000 Total duration (secs) = 300.000E-03 Courant number = 466.371E-03 STABILITY: CFL number = 466.371E-03 Initializing kinematic fields ...... [OK] Max displ = 0.000E+00 Max veloc = 0.000E+00 Building the mass matrix ...... [OK] Defining boundary conditions ...... [OK] Initializing receivers ... =================================================== = R e c e i v e r s r e a l p o s i t i o n s = =================================================== Receiver x-asked z-asked x-obtain z-obtain dist 1 100.000E+00 100.000E+00 101.614E+00 -163.084E-03 100.176E+00 2 110.000E+00 100.000E+00 110.501E+00 -40.636E-03 100.042E+00 3 120.000E+00 100.000E+00 120.000E+00 -3.066E-03 100.003E+00 4 130.000E+00 100.000E+00 130.501E+00 43.813E-03 99.957E+00 5 140.000E+00 100.000E+00 143.184E+00 296.731E-03 99.754E+00 6 150.000E+00 100.000E+00 158.386E+00 1.185E+00 99.170E+00 7 160.000E+00 100.000E+00 171.614E+00 2.553E+00 98.137E+00 8 170.000E+00 100.000E+00 185.000E+00 4.401E+00 96.769E+00 9 180.000E+00 100.000E+00 196.816E+00 6.338E+00 95.160E+00 10 190.000E+00 100.000E+00 206.816E+00 8.142E+00 93.384E+00 11 200.000E+00 100.000E+00 216.816E+00 9.988E+00 91.569E+00 12 210.000E+00 100.000E+00 225.000E+00 11.432E+00 89.829E+00 13 220.000E+00 100.000E+00 233.184E+00 12.729E+00 88.261E+00 14 230.000E+00 100.000E+00 240.501E+00 13.700E+00 86.937E+00 15 240.000E+00 100.000E+00 246.816E+00 14.349E+00 85.922E+00 16 250.000E+00 100.000E+00 253.184E+00 14.792E+00 85.267E+00 17 260.000E+00 100.000E+00 260.501E+00 15.031E+00 84.971E+00 18 270.000E+00 100.000E+00 268.386E+00 15.003E+00 85.013E+00 19 280.000E+00 100.000E+00 275.000E+00 14.780E+00 85.366E+00 20 290.000E+00 100.000E+00 283.184E+00 14.299E+00 85.971E+00 21 300.000E+00 100.000E+00 291.614E+00 13.615E+00 86.791E+00 Maximum distance between asked and real = 100.176E+00 Sampling rate (Hz) = 1.000E+03 Sampling timestep (secs) = 1.000E-03 Total number of samples = 301 Number of receivers = 21 ... [OK] Initializing sources ...... [OK]Dump PostScript va_test_sem2d.ps ...... [OK] ========================================== = T i m e e v o l u t i o n l o o p = ==========================================--- CPU TIME ESTIMATES (in seconds) : CPU time for initialization . . 1.424E+00 CPU time per timestep . . . . . 60.004E-03 Total solver CPU time . . . . . 720.048E+00 (mins) . . . . 12.001E+00 (hours). . . . 200.013E-03 ********************************** * Aborting, data check mode only * ********************************** ------------------------------------------------------------------------------- ------------------------------------------------------------------------------- Program S P E C F E M : end ------------------------------------------------------------------------------- ------------------------------------------------------------------------------- Layered medium example 1 ------------------------------------------------------------------------------- ------------------------------------------------------------------------------- D a t e : 30 - 05 - 2007 T i m e : 15:24:54 ------------------------------------------------------------------------------- -------------------------------------------------------------------------------⌨️ 快捷键说明
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