上传 AMESim 参考资料
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/* Submodel PNL00R skeleton created by AME Submodel editing utility
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ven. 5. août 14:34:41 2016 */
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#include <math.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include "ameutils.h"
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/* *******************************************************************************
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TITLE : PNL00R
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------------------------------------------------------------------------------
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DESCRIPTION :
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PNL00R is a submodel of a pneumatic pipe with only friction effects.
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Pipe friction is taken into account using a friction factor based on
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the Reynolds number and the relative roughness.
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------------------------------------------------------------------------------
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USAGE :
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Use this submodel to simulate a pneumatic pipe with friction effects,
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when the Mach number is low, ie gas velocity < 0.3 * speed of sound .
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The submodels PNGD001 or PNGD002 should be included in your circuit to
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define the characteristics of the gas.
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------------------------------------------------------------------------------
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PARAMETER SETTINGS :
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------------------------------------------------------------------------------
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DATE OF CREATION / AUTHOR :
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2002 FS from PNL0R SN
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------------------------------------------------------------------------------
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REVISIONS :
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------------------------------------------------------------------------------
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LIST OF FUNCTIONS USED :
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pn2pipefr_() : frictional coefficient in pneumatic pipes
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pn2getatp_() : get atmospheric pressure
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------------------------------------------------------------------------------
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SOURCE :
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This material contains trade secrets or otherwise confidential
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information owned by Siemens Industry Software Inc. or its
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affiliates (collectively, "Siemens"), or its licensors. Access to
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and use of this information is strictly limited as set forth in the
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Customer's applicable agreements with Siemens.
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Unpublished work. Copyright 2023 Siemens
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******************************************************************************* */
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#define _SUBMODELNAME_ "PNL00R"
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/* >>>>>>>>>>>>Insert Private Code Here. */
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#define TABFR 0 /* real store 0, 1 & 2 are used by pn2pipefr */
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#define PATM 3
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#define AREA 4
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#define SPL_FR 0
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/* <<<<<<<<<<<<End of Private Code. */
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/* There are 3 real parameters:
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diam diameter of pipe [mm -> m]
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le pipe length [m]
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rr relative roughness [null]
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*/
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/* There is 1 integer parameter:
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gi gas type index
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*/
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void pnl00rin_(int *n, double rp[3], int ip[1], double c[5], int ic[1])
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{
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int loop, error;
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/* >>>>>>>>>>>>Extra Initialization Function Declarations Here. */
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/* <<<<<<<<<<<<End of Extra Initialization declarations. */
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int gi;
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double diam, le, rr;
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gi = ip[0];
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diam = rp[0];
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le = rp[1];
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rr = rp[2];
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loop = 0;
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error = 0;
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/*
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If necessary, check values of the following:
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rp[0..2]
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*/
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/* >>>>>>>>>>>>Initialization Function Check Statements. */
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pn2_valid_gas_(&gi, &error);
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if (diam <= 0.0)
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{
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error = 2;
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amefprintf(stderr, "\nDiameter of pipe should be > 0 [mm].\n");
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}
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if (le <= 0.0)
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{
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error = 2;
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amefprintf(stderr, "\nPipe length should be > 0 [m].\n");
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}
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if (rr < 0.0)
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{
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error = 2;
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amefprintf(stderr, "\nRelative roughness should be >= 0.\n");
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}
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/* <<<<<<<<<<<<End of Initialization Check Statements. */
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/* Integer parameter checking: */
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if (gi < 1 || gi > 99)
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{
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amefprintf(stderr, "\ngas type index must be in range [1..99].\n");
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error = 2;
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}
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SUBMODEL_HANDLE_AND_RESET_ERROR(_SUBMODELNAME_, n, error)
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/* Common -> SI units conversions. */
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rp[0] *= 1.00000000000000e-003;
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diam = rp[0];
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/* >>>>>>>>>>>>Initialization Function Executable Statements. */
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c[PATM] = pn2getatp_();
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/* Compute the cross-sectional area of pipe. */
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c[AREA] = M_PI * (diam) * (diam) / 4.0;
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/* <<<<<<<<<<<<End of Initialization Executable Statements. */
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}
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/* There are 2 ports.
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Port 1 has 4 variables:
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1 dh1 duplicate of dh2 (sign reversed)
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2 dm1 duplicate of dm2 (sign reversed)
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3 t1 temperature at port 1 [K] basic variable input
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4 p1 pressure at port 1 [Pa] basic variable input
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Port 2 has 4 variables:
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1 dh2 enthalpy flow rate at port 2 [J/s -> W] basic variable output
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2 dm2 mass flow rate at port 2 [g/s -> kg/s] basic variable output
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3 t2 temperature at port 2 [K] basic variable input
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4 p2 pressure at port 2 [Pa] basic variable input
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*/
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/* There are 4 internal variables.
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1 re Reynolds number [null] basic variable
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2 cm mass flow parameter (cm) [(kg*K/J)**(1/2)] basic variable
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3 v mean gas velocity [m/s] basic variable
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4 ff friction factor [null] basic variable
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*/
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void pnl00r_(int *n, double *t1, double *p1, double *dh2, double *dm2
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, double *t2, double *p2, double *re, double *cm, double *v
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, double *ff, double rp[3], int ip[1], double c[5], int ic[1])
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{
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int loop;
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/* >>>>>>>>>>>>Extra Calculation Function Declarations Here. */
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double pa1, pa2;
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double dh1loc, dm1loc;
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int dummyreg;
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/* <<<<<<<<<<<<End of Extra Calculation declarations. */
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int gi;
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double diam, le, rr;
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gi = ip[0];
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diam = rp[0];
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le = rp[1];
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rr = rp[2];
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loop = 0;
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/*
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Set all submodel outputs below:
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*dh2 = ??;
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*dm2 = ??;
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*re = ??;
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*cm = ??;
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*v = ??;
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*ff = ??;
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*/
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/* >>>>>>>>>>>>Calculation Function Executable Statements. */
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/* set absolute pressure */
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pa1 = *p1 + c[PATM];
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pa2 = *p2 + c[PATM];
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/* Compute flow through the pipe */
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pn2pipefr_(&pa2, t2, &pa1, t1, &diam, &rr, &le, &c[AREA], re, v, ff,
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dh2, dm2, &dh1loc, &dm1loc, cm, &c[TABFR], &gi, &ic[SPL_FR], &dummyreg);
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/* <<<<<<<<<<<<End of Calculation Executable Statements. */
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/* SI -> Common units conversions. */
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*dm2 /= 1.00000000000000e-003;
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}
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