Chapter 1 |
INTRODUCTION |
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Required Files |
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also in millimetres.
Table 1-1 summarises the engine operating conditions and characteristics:
Table 1-1: Summary of Trimming Tutorial Engine
Bore |
90.0 mm |
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Stroke |
68.5 mm |
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Connecting Rod Length (L) |
145.0 mm |
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Piston Pin Offset (P) |
0.0 mm |
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Engine Speed |
3600 rpm |
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Note that the Closed-Cycle, Sector and Two-Stroke tutorials in Chapter 15, Chapter 16 and Chapter 19 use a different engine geometry. An overview of these geometries is provided in the relevant chapters.
Required Files
The STAR-CD installation includes the basic tutorial files needed to begin working through the examples in this manual. These files are summarised below.
Trimming Tutorial files
The files required for the trimming tutorial are shown in Table 1-2 and can be found in the following directory:
$STARDIR/STARCDTUTS/4.20/generic/es-ice/TRIMMING_TUTORIALS
Table 1-2: Summary of Trimming Tutorial files
File Name |
Description |
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Surface of the engine geometry, with different cell |
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geometry.dbs |
types assigned to the combustion dome, piston, cyl- |
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inder wall, each port and valve |
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manifold.dbs |
Volume mesh of the intake and exhaust manifolds, |
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generated using STAR-CCM+ |
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vlift01.dat |
Valve lift profile (in millimetres) as a function of |
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vlift02.dat |
crank angle |
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cylinder-3600.dat |
A table of fluid pressure and temperature as a func- |
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intake-3600.dat |
tion of crank angle. This information is used to set |
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exhaust-3600.dat |
initial and boundary conditions. |
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scalar1.inp |
pro-STAR input files for post-processing the analy- |
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isoTemp.inp |
sis results. |
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scriptScalar1.sh |
Shell scripts for running pro-STAR in batch mode |
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scritIsoTemp.sh |
to generate animations. |
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Version 4.20 |
1-5 |
INTRODUCTION |
Chapter 1 |
Required Files |
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Automatic 2D Tutorial files
The files required for the tutorial on automatic 2D template generation are shown in Table 1-3 and can be found in the following directory:
$STARDIR/STARCDTUTS/4.20/generic/es-ice/AUTO_2D
Table 1-3: Summary of Wall Temperature Tutorial files
File Name |
Description |
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Surface of the engine geometry, with different cell |
geometry.dbs |
types assigned to the combustion dome, piston, cylin- |
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der wall, ports and valves |
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vlift01.dat |
Valve lift profiles (in millimetres) as a function of |
vlift02.dat |
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vlift03.dat |
crank angle |
vlift04.dat |
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Wall Temperature Tutorial files
The files required for the tutorial on mapping wall temperature are shown in Table 1-4 and can be found in the following directory:
$STARDIR/STARCDTUTS/4.20/generic/es-ice/MAPPING_WALL_TEMPERATURE
Table 1-4: Summary of Wall Temperature Tutorial files
File Name |
Description |
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Surface shells of the cylinder liner, dome, piston, |
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cylinder_htx.dbs |
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ports and valves for mapping non-uniform wall tem- |
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valves_htx.dbs |
perature data |
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cylinder_htx.usr |
Temperature data with reference to surface shells in |
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cylinder_htx.usr |
the files above |
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Mesh Replacement Tutorial files
The files required for the mesh replacement tutorial are shown in Table 1-5 and can be found in the following directory:
$STARDIR/STARCDTUTS/4.20/generic/es-ice/MESH_REPLACEMENT
Table 1-5: Summary of Mesh Replacement Tutorial files
File Name |
Description |
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save_es-ice.dense |
es-ice model file containing the dense mesh used |
during the mesh replacement tutorial |
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1-6 |
Version 4.20 |
Chapter 1 |
INTRODUCTION |
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Required Files |
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Multiple Cylinder Tutorial files
The files required for the multiple cylinder tutorial are shown in Table 1-6 and can be found in the following directory:
$STARDIR/STARCDTUTS/4.20/generic/es-ice/MULTIPLE_CYLINDERS
Table 1-6: Summary of Multiple Cylinder Tutorial files
File Name |
Description |
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save_es-ice.mul- |
es-ice model file used as the starting point in the mul- |
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tiCylinder |
tiple cylinder tutorial |
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manifoldTwin.dbs |
Volume mesh of the intake and exhaust manifolds |
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used in the multiple cylinder tutorial |
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Closed-Cycle Tutorial files
The files required for the closed-cycle tutorial are shown in Table 1-7 and can be found in the following directory:
$STARDIR/STARCDTUTS/4.20/generic/es-ice/CLOSED-CYCLE_POLYMESH
Table 1-7: Summary of Closed-Cycle Tutorial files
File Name |
Description |
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closed-cycleD |
Surface mesh representing the cylinder geometry of the |
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iesel.dbs |
closed-cycle diesel engine |
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uisDiesel.dbs |
“User Intermediate Surface” that separates the upper and |
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lower portions of the cylinder |
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injection.tbl |
pro-STAR table file defining the injection mass flow rate |
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as a function of crank angle |
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Sector Tutorial files
The files required for the sector tutorial are shown in Table 1-8 and can be found in the following directory:
$STARDIR/STARCDTUTS/4.20/generic/es-ice/SECTOR_TUTORIALS
Version 4.20 |
1-7 |
INTRODUCTION |
Chapter 1 |
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Required Files |
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Table 1-8: Summary of Sector Tutorial files |
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File Name |
Description |
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bowl.dbs |
Surface of the piston bowl geometry |
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injection.tbl |
pro-STAR table file defining the injection mass |
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flow rate as a function of crank angle |
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droplets.inp |
pro-STAR input files for post-processing results |
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scriptDroplets.sh |
Shell script for running pro-STAR in batch mode |
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to generate animations |
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Two-Stroke Tutorial files
The files required for the two-stroke tutorial are shown in Table 1-9 and can be found in the following directory:
$STARDIR/STARCDTUTS/4.20/generic/es-ice/TWO_STROKE
Table 1-9: Summary of Two-Stroke Tutorial files
File Name |
Description |
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twoStroke- |
Surface mesh representing the cylinder geometry of the |
Cylinder.dbs |
two-stroke engine |
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twoStroke- |
Surface mesh representing the port geometry of the |
Port.dbs |
two-stroke engine |
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Mapping Tutorial files
The files required for the mapping tutorials are shown in Table 1-10 and can be found in the following directory:
$STARDIR/STARCDTUTS/4.20/generic/es-ice/MAPPING_TUTOTRIALS
1-8 |
Version 4.20 |