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REQUIRE "basemodel.a4l"; |
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(* => basemodel.a4l *) |
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PROVIDE "ivpsystem.a4l"; |
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PROVIDE "system.a4l"; |
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(* |
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* ivpsystem.a4l |
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* by Benjamin A. Allan, Jennifer Stokes |
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* Part of the ASCEND Library |
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* $Date: 1998/06/17 19:09:35 $ |
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* $Revision: 1.7 $ |
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* $Author: mthomas $ |
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* $Source: /afs/cs.cmu.edu/project/ascend/Repository/models/ivpsystem.a4l,v $ |
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* |
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* This file is part of the ASCEND Modeling Library. |
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* |
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* Copyright (C) 1994 - 1998 Carnegie Mellon University |
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* |
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* The ASCEND Modeling Library is free software; you can redistribute |
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* it and/or modify it under the terms of the GNU General Public |
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* License as published by the Free Software Foundation; either |
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* version 2 of the License, or (at your option) any later version. |
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* |
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* The ASCEND Modeling Library is distributed in hope that it |
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* will be useful, but WITHOUT ANY WARRANTY; without even the implied |
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* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
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* See the GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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*) |
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(*============================================================================* |
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I V P S Y S T E M . A 4 L |
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----------------------------- |
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AUTHOR: Benjamin A. Allan |
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DATES: 06/94 - Original Code (system.a4l) |
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02/95 - Definitions for discrete variables added by |
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Craig Schmidt (CWS). (system.a4l) |
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08/95 Jennifer Stokes extensions for ODE solvers. |
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04/96 - Modified for the use of constants |
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03/98 - Added messages. |
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CONTENTS: Basic definitions for relation, solver_var, |
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and generic_real. This file is necessary for all |
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other ASCEND models to work on ASCEND3C with the |
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blsode DAE interface. For strictly algebraic |
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modeling, the other system.a4l should be used and |
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will give rather smaller (memorywise) solver_var. |
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*============================================================================*) |
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DEFINITION relation |
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included IS_A boolean; |
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message IS_A symbol; |
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included := TRUE; |
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message := 'none'; |
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END relation; |
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DEFINITION logic_relation |
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included IS_A boolean; |
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included := TRUE; |
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message IS_A symbol; |
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message := 'none'; |
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END logic_relation; |
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ATOM boolean_var REFINES boolean |
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DEFAULT TRUE; |
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fixed IS_A boolean; |
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fixed := FALSE; |
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END boolean_var; |
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ATOM solver_var REFINES real |
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DEFAULT 0.5 {?}; |
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lower_bound IS_A real; |
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upper_bound IS_A real; |
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nominal IS_A real; |
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fixed IS_A boolean; |
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message IS_A symbol; |
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ode_type IS_A integer; |
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ode_id IS_A integer; |
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obs_id IS_A integer; |
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ode_atol IS_A real; |
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ode_rtol IS_A real; |
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fixed := FALSE; |
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lower_bound := -1e20 {?}; |
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upper_bound := 1e20 {?}; |
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nominal := 0.5 {?}; |
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message := 'none'; |
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ode_type := 0; |
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ode_atol := 1e-4 {?}; |
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ode_rtol := 1e-8 {?}; |
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END solver_var; |
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ATOM generic_real REFINES solver_var |
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DIMENSIONLESS |
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DEFAULT 0.5; |
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lower_bound := -1e20; |
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upper_bound := 1e20; |
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nominal := 0.5; |
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END generic_real; |
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(*============================================================================* |
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Modified by CWS, 2/95 |
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solver_int is an integer variable for an MILP solver |
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lower bound almost always 0 |
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relaxed indicates if the var should be treated as a normal solver_var |
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solver_binary is a binary variable for a MILP solver |
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lower bound must be 0, and upper bound must be 1 |
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solver_semi is a semicontinous variable for use in SCICONIC |
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this var can have a value between 1 and the arbitrary upper bound, or 0. |
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(note that SCICONIC requires the lower bound to be 1) |
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if is_zero = true, then the current value is taken as 0 |
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*===========================================================================*) |
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ATOM solver_int REFINES solver_var |
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DIMENSIONLESS |
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DEFAULT 0.0; |
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relaxed IS_A boolean; |
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lower_bound := 0.0; |
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upper_bound := 1000000.0; |
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nominal := 0.5; |
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END solver_int; |
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ATOM solver_binary REFINES solver_int |
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DIMENSIONLESS |
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DEFAULT 0.0; |
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lower_bound := 0.0; |
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upper_bound := 1.0; |
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nominal := 0.5; |
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END solver_binary; |
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ATOM solver_semi REFINES solver_var |
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DEFAULT 1.0 {?}; |
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is_zero IS_A boolean; |
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relaxed IS_A boolean; |
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lower_bound := 1 {?}; |
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upper_bound := 1e20 {?}; |
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nominal := 1.0 {?}; |
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END solver_semi; |