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Tolerate floating-point rounding in friction pressure-drop assert #3

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Tolerate floating-point rounding in friction pressure-drop assert #3

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4859031
Tolerate floating-point rounding in friction pressure-drop assert
MatthiasBSchaefer Jul 13, 2026
ea178d7
Fix spacing in pressureDrop calculations
MatthiasBSchaefer Jul 22, 2026
8bad774
Remove irrelevant remark from ModelicaMatIO.c
MatthiasBSchaefer Jul 22, 2026
de19205
Update remark in ModelicaMatIO.c
MatthiasBSchaefer Jul 23, 2026
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4 changes: 2 additions & 2 deletions Modelica/Thermal/FluidHeatFlow/BaseClasses/SimpleFriction.mo
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Original file line number Diff line number Diff line change
Expand Up @@ -24,8 +24,8 @@ protected
initial algorithm
assert(V_flowNominal>V_flowLaminar,
"SimpleFriction: V_flowNominal has to be > V_flowLaminar!");
assert(dpNominal>=dpNomMin,
"SimpleFriction: dpNominal has to be > dpLaminar/V_flowLaminar*V_flowNominal!");
assert(dpNominal>=dpNomMin*(1 - 100*Modelica.Constants.eps),
"SimpleFriction: dpNominal has to be >= dpLaminar/V_flowLaminar*V_flowNominal!");
k:=(dpNominal - dpNomMin)/(V_flowNominal - V_flowLaminar)^2;
equation
if volumeFlow > +V_flowLaminar then
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