luke/magic
1
0
Fork 0
mirror of https://github.com/RTimothyEdwards/magic.git synced 2026-10-06 09:53:00 +02:00
Code Issues Packages Projects Releases Wiki Activity

A couple of corrections to the last commit, where the equation for

Browse Source 
computing the amount of fringe shielding was wrong.  This fixes
one of my example cases, but not the other one, so I still need to
pin down a condition that can result in negative capacitance.
This commit is contained in:
Tim Edwards
2023-03-17 20:47:08 -04:00
parent edb05fb3d1
commit ca0cb1322a
2 changed files with 4 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files
commands/CmdE.c
+2 -2
View File
@@ -1085,9 +1085,9 @@ CmdExtract(w, cmd)
/* argv[2] is a halo distance */
dist = cmdParseCoord(w, argv[2], TRUE, TRUE);
if (dist <= 0)
if (dist < 0)
{
TxError("Bad halo distance. Halo must be strictly positive.");
TxError("Bad halo distance. Halo must be non-negative.");
return;
}
else
extract/ExtCouple.c
+2 -2
View File
@@ -1180,7 +1180,7 @@ extSideOverlapHalo(tp, esws)
}
if (rtp != rbp)
{
efflength = (cfrac * (double)length) * (1.0 - sov.so_coupfrac);
efflength = (cfrac - sov.so_coupfrac) * (double)length;
cap += e->ec_cap * efflength;
subfrac += sov.so_subfrac; /* Just add the shielded fraction */
@@ -1209,7 +1209,7 @@ extSideOverlapHalo(tp, esws)
if (DBIsContact(outtype))
outtype = DBPlaneToResidue(outtype, esws->plane_of_boundary);
efflength = (sfrac * (double)length) * (1.0 - subfrac);
efflength = (sfrac - subfrac) * (double)length;
subcap = ExtCurStyle->exts_perimCap[ta][0] * efflength;
rbp->nreg_cap -= subcap;
/* Ignore residual error at ~zero zeptoFarads. Probably */