Week-11 : Discretization of 3D intake manifold using GEM-3D

Aim :To explore the Discretization of 3D intake manifold using gem-3D

Objective

1)To explore tutorial -single cylinder DI add case 2 with discretization length 0.1mm for intake runner ans compare with default case1.

•      Parameters-Torque, BSFC, max cyl pressure
•      Simulation time

       2) To explore tutorial no2(GEM3D)="Building Intake Manifold from STL Model

1. To explore the Tutorial-single cylinder DI

In the first step the descretization length is created as a parameter.

In case-1, the values are set to default i.e  3600 RPM AND 40mm descretization length. In case -2 RPM is set to default but descretization length is set 0.1mm

Engine Geometry

Engine Performance

To explore tutorial NO-2(gGEM 3D)

1)Import 3D file from example section in GT-Suite

Step-2 

In the above geometry both the inlet and outlet caps are closed and those have to be removed by sepeating the curves  to facilitate the flow.

 

step3

Creating plane using 3-point cutting plane

step-4

Converting section into flow component

step-5

Adding custom connections

step-6

Adding sub assembly connection

step-7 

Deviding pipe section with area

 

step-8

Converting the above assembly to flow split

step-9

Cutting the phlenum

step-10

Converting it in to flowsplit

step-11

Descretize whole assembly from 3D to1D.

Seperating shape into section which represents pipes and flowsplits using 3- point cutting plane

Step-2

Inthe above geometry