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Revise status test for full/empty tanks

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Simplifies status check for links connected to full/empty tanks and now includes case where link connects two tanks.
This commit is contained in:
Lew Rossman
2023-02-03 11:29:05 -05:00
parent 4986ec83e7
commit 869e441fe8
1 changed files with 17 additions and 41 deletions
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48
src/hydstatus.c
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@@ -7,7 +7,7 @@ Description: updates hydraulic status of network elements
Authors: see AUTHORS
Copyright: see AUTHORS
License: see LICENSE
Last Updated: 08/08/2022
Last Updated: 02/03/2023
******************************************************************************
*/
@@ -27,7 +27,7 @@ static StatusType pumpstatus(Project *, int, double);
static StatusType prvstatus(Project *, int, StatusType, double, double, double);
static StatusType psvstatus(Project *, int, StatusType, double, double, double);
static StatusType fcvstatus(Project *, int, StatusType, double, double);
static void tankstatus(Project *, int, int, int);
static void tankstatus(Project *, int, int, double);
int valvestatus(Project *pr)
@@ -155,10 +155,8 @@ int linkstatus(Project *pr)
}
// Check for flow into (out of) full (empty) tanks
if (n1 > net->Njuncs || n2 > net->Njuncs)
{
tankstatus(pr, k, n1, n2);
}
if (n1 > net->Njuncs) tankstatus(pr, k, n1, hyd->LinkFlow[k]);
if (n2 > net->Njuncs) tankstatus(pr, k, n2, -hyd->LinkFlow[k]);
// Note any change in link status; do not revise link flow
if (status != hyd->LinkStatus[k])
@@ -224,6 +222,7 @@ StatusType pumpstatus(Project *pr, int k, double dh)
{
// Use huge value for constant HP pump
hmax = BIG;
if (hyd->LinkFlow[k] < TINY) return TEMPCLOSED;
}
else
{
@@ -407,12 +406,12 @@ StatusType fcvstatus(Project *pr, int k, StatusType s, double h1, double h2)
}
void tankstatus(Project *pr, int k, int n1, int n2)
void tankstatus(Project *pr, int k, int n, double q)
/*
**----------------------------------------------------------------
** Input: k = link index
** n1 = start node of link
** n2 = end node of link
** n = tank node index
** q = link flow rate out of (+) or into (-) tank
** Output: none
** Purpose: closes link flowing into full or out of empty tank
**----------------------------------------------------------------
@@ -421,46 +420,23 @@ void tankstatus(Project *pr, int k, int n1, int n2)
Network *net = &pr->network;
Hydraul *hyd = &pr->hydraul;
int i, n;
double q;
int i;
Stank *tank;
Slink *link = &net->Link[k];
// Return if link is closed
if (hyd->LinkStatus[k] <= CLOSED) return;
// Make node n1 be the tank, reversing flow (q) if need be
q = hyd->LinkFlow[k];
i = n1 - net->Njuncs;
if (i <= 0)
{
i = n2 - net->Njuncs;
if (i <= 0) return;
n = n1;
n1 = n2;
n2 = n;
q = -q;
}
// Ignore reservoirs
i = n - net->Njuncs;
tank = &net->Tank[i];
if (tank->A == 0.0) return;
// Can't add flow to a full tank
if (hyd->NodeHead[n1] >= tank->Hmax && !tank->CanOverflow)
{
if (link->Type == PUMP && link->N2 == n1)
if (hyd->NodeHead[n] >= tank->Hmax && !tank->CanOverflow && q < TINY)
hyd->LinkStatus[k] = TEMPCLOSED;
else if (q < 0.0)
hyd->LinkStatus[k] = TEMPCLOSED;
}
// Can't remove flow from an empty tank
if (hyd->NodeHead[n1] <= tank->Hmin)
{
if (link->Type == PUMP && link->N1 == n1)
else if (hyd->NodeHead[n] <= tank->Hmin && q > -TINY)
hyd->LinkStatus[k] = TEMPCLOSED;
else if (q > 0.0)
hyd->LinkStatus[k] = TEMPCLOSED;
}
}