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FIX: raise error if receiver located on the interface where liquid exist #39

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merged 1 commit into from
Jun 26, 2025
Merged

FIX: raise error if receiver located on the interface where liquid exist #39

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20 changes: 18 additions & 2 deletions pygrt/C_extension/src/common/model.c
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Original file line number Diff line number Diff line change
Expand Up @@ -308,8 +308,13 @@ PYMODEL1D * read_pymod_from_file(const char *command, const char *modelpath, dou
return NULL;
}

if(!allowLiquid && vb <=0){
fprintf(stderr, "[%s] " BOLD_RED "In model file, line %d, nonpositive Vs is not supported.\n" DEFAULT_RESTORE, command, iline);
if(vb < 0.0){
fprintf(stderr, "[%s] " BOLD_RED "In model file, line %d, negative Vs is not supported.\n" DEFAULT_RESTORE, command, iline);
return NULL;
}

if(!allowLiquid && vb == 0.0){
fprintf(stderr, "[%s] " BOLD_RED "In model file, line %d, Vs==0.0 is not supported.\n" DEFAULT_RESTORE, command, iline);
return NULL;
}

Expand Down Expand Up @@ -392,6 +397,17 @@ PYMODEL1D * read_pymod_from_file(const char *command, const char *modelpath, dou
pymod->depsrc = depsrc;
pymod->deprcv = deprcv;

// 检查，接收点不能位于液-液、固-液界面
if(isrc < nlay-1 && pymod->Thk[ircv] == 0.0 && pymod->Vb[ircv]*pymod->Vb[ircv+1] == 0.0){
fprintf(stderr,
"[%s] " BOLD_RED "The receiver is located on the interface where there is liquid on one side. "
"Due to the discontinuity of the tangential displacement on this interface, "
"to reduce ambiguity, it is recommended that you add a small offset to the receiver depth, "
"thereby explicitly placing the receiver within a specific layer. \n"
DEFAULT_RESTORE, command);
return NULL;
}

fclose(fp);
free(modarr);

Expand Down