trunk/models/vesselNotes.a4c

REQUIRE "atoms.a4l";
(* => atoms.a4l, measures.a4l, system.a4l, basemodel.a4l *)
PROVIDE "vesselNotes.a4c";
(*
 * This file is part of the ASCEND Modeling Library and is released
 * under the GNU Public License as described at the end of this file.
 *)

MODEL vessel;
    NOTES
	'author' SELF {Arthur W. Westerberg}
	'creation date' SELF {May, 1998}
    END NOTES;

	(* variables *)
	side_area	"the area of the cylindrical side wall of the vessel",
	end_area	"the area of the flat ends of the vessel"
		IS_A area;

	vessel_vol	"the volume contained within the cylindrical vessel",
	wall_vol	"the volume of the walls for the vessel"
		IS_A volume;

	wall_thickness	"the thickness of all of the vessel walls",
	H		"the vessel height (of the cylindrical side walls)",
	D		"the vessel diameter"
		IS_A distance;

	H_to_D_ratio	"the ratio of vessel height to diameter"
		IS_A factor;

	metal_density	"density of the metal from which the vessel
			 is constructed"
		IS_A mass_density;

	metal_mass	"the mass of the metal in the walls of the vessel"
		IS_A mass;

	(* equations *)
FlatEnds:	end_area = 1{PI} * D^2 / 4;
Sides:		side_area = 1{PI} * D * H;
Cylinder:	vessel_vol = end_area * H;
Metal_volume:	(side_area + 2 * end_area) * wall_thickness = wall_vol;
HD_definition:	D * H_to_D_ratio = H;
VesselMass:	metal_mass = metal_density * wall_vol;
END vessel;

ADD NOTES IN vessel;
'description' SELF {This model relates the dimensions of a
	   cylindrical vessel -- e.g., diameter, height and wall thickness
	   to the volume of metal in the walls.  It uses a thin wall
	   assumption -- i.e., that the volume of metal is the area of
	   the vessel times the wall thickness.}
'purpose' SELF {to illustrate the insertion of notes into a model}
END NOTES;


(*
 *  vesselNotes.a4c
 *  by Arthur W. Westerberg
 *  Part of the ASCEND Library
 *  $Date: 1998/06/17 19:35:04 $
 *  $Revision: 1.2 $
 *  $Author: mthomas $
 *  $Source: /afs/cs.cmu.edu/project/ascend/Repository/models/vesselNotes.a4c,v $
 *
 *  This file is part of the ASCEND Modeling Library.
 *
 *  Copyright (C) 1998  Carnegie Mellon University
 *
 *  The ASCEND Modeling Library is free software; you can redistribute
 *  it and/or modify it under the terms of the GNU General Public
 *  License as published by the Free Software Foundation; either
 *  version 2 of the License, or (at your option) any later version.
 *
 *  The ASCEND Modeling Library is distributed in hope that it will be
 *  useful, but WITHOUT ANY WARRANTY; without even the implied
 *  warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 *  See the GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with the program; if not, write to the Free Software
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139 USA.  Check
 *  the file named COPYING.
 *)
1	REQUIRE "atoms.a4l";
2	(* => atoms.a4l, measures.a4l, system.a4l, basemodel.a4l *)
3	PROVIDE "vesselNotes.a4c";
4	(*
5	* This file is part of the ASCEND Modeling Library and is released
6	* under the GNU Public License as described at the end of this file.
7	*)
8
9	MODEL vessel;
10	NOTES
11	'author' SELF {Arthur W. Westerberg}
12	'creation date' SELF {May, 1998}
13	END NOTES;
14
15	(* variables *)
16	side_area "the area of the cylindrical side wall of the vessel",
17	end_area "the area of the flat ends of the vessel"
18	IS_A area;
19
20	vessel_vol "the volume contained within the cylindrical vessel",
21	wall_vol "the volume of the walls for the vessel"
22	IS_A volume;
23
24	wall_thickness "the thickness of all of the vessel walls",
25	H "the vessel height (of the cylindrical side walls)",
26	D "the vessel diameter"
27	IS_A distance;
28
29	H_to_D_ratio "the ratio of vessel height to diameter"
30	IS_A factor;
31
32	metal_density "density of the metal from which the vessel
33	is constructed"
34	IS_A mass_density;
35
36	metal_mass "the mass of the metal in the walls of the vessel"
37	IS_A mass;
38
39	(* equations *)
40	FlatEnds: end_area = 1{PI} * D^2 / 4;
41	Sides: side_area = 1{PI} * D * H;
42	Cylinder: vessel_vol = end_area * H;
43	Metal_volume: (side_area + 2 * end_area) * wall_thickness = wall_vol;
44	HD_definition: D * H_to_D_ratio = H;
45	VesselMass: metal_mass = metal_density * wall_vol;
46	END vessel;
47
48	ADD NOTES IN vessel;
49	'description' SELF {This model relates the dimensions of a
50	cylindrical vessel -- e.g., diameter, height and wall thickness
51	to the volume of metal in the walls. It uses a thin wall
52	assumption -- i.e., that the volume of metal is the area of
53	the vessel times the wall thickness.}
54	'purpose' SELF {to illustrate the insertion of notes into a model}
55	END NOTES;
56
57
58	(*
59	* vesselNotes.a4c
60	* by Arthur W. Westerberg
61	* Part of the ASCEND Library
62	* $Date: 1998/06/17 19:35:04 $
63	* $Revision: 1.2 $
64	* $Author: mthomas $
65	* $Source: /afs/cs.cmu.edu/project/ascend/Repository/models/vesselNotes.a4c,v $
66	*
67	* This file is part of the ASCEND Modeling Library.
68	*
69	* Copyright (C) 1998 Carnegie Mellon University
70	*
71	* The ASCEND Modeling Library is free software; you can redistribute
72	* it and/or modify it under the terms of the GNU General Public
73	* License as published by the Free Software Foundation; either
74	* version 2 of the License, or (at your option) any later version.
75	*
76	* The ASCEND Modeling Library is distributed in hope that it will be
77	* useful, but WITHOUT ANY WARRANTY; without even the implied
78	* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
79	* See the GNU General Public License for more details.
80	*
81	* You should have received a copy of the GNU General Public License
82	* along with the program; if not, write to the Free Software
83	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139 USA. Check
84	* the file named COPYING.
85	*)