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Chapter 1

INTRODUCTION

 

 

Required Files

 

 

 

 

 

Table 1-10: Summary of Mapping Tutorial files

 

 

 

 

 

File Name

Description

 

 

 

 

 

 

 

Surface of the engine geometry, with different cell

 

 

geometry.dbs

types assigned to the combustion dome, piston,

 

 

 

cylinder wall, each port and valve

 

 

 

 

 

 

exhaust.dbs

Volume mesh of the exhaust port, generated using

 

 

the pro-STAR AutoMesh module

 

 

 

 

 

 

 

 

 

vlift01.dat

Valve lift profile (in millimetres) as a function of

 

 

vlift02.dat

crank angle

 

 

 

 

 

 

cylinder-3600.dat

A table of fluid pressure and temperature as a

 

 

intake-3600.dat

function of crank angle. This information is used

 

 

exhaust-3600.dat

to set initial and boundary conditions.

 

 

 

 

 

ELSA Tutorial files

The files required for the ELSA tutorial are shown in Table 1-11 and can be found in the following directory:

$STARDIR/STARCDTUTS/4.20/generic/es-ice/ELSA

Table 1-11: Summary of Mapping Tutorial files

File Name

Description

 

 

bowl.dbs

Surface of the piston bowl geometry

 

 

injection.tbl

pro-STAR table file defining the injection mass

flow rate as a function of crank angle

 

 

 

injector_hole.spl

Spline defining the position and dimensions of the

injector hole

 

 

ufile/dropro.f

User coding defining droplet properties

 

 

Records showing progress thorough each tutorial in this volume are saved intermittently to es-ice model files. These files are available from the Product Updates section of the CD-adapco User Services site, should you wish to validate your progress or skip chapters. The start of each chapter also lists all files required to complete that chapter.

A description of the steps needed to generate the volume mesh for the exhaust port or the manifolds is not included in the Tutorial or User Guide volumes. It is assumed that you have enough experience in using pro-STAR or STAR-CCM+ to perform these operations.

Version 4.20

1-9

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