Triangular Die Analyses ToNICADD-FNALBy Praveen Reddy and Meung Kim ME, NIU.

Triangular Die AnalysesTriangular Die Analyses

ToToNICADD-FNALNICADD-FNAL

ByByPraveen Reddy and Meung KimPraveen Reddy and Meung Kim

ME, NIUME, NIU

Model Domains without a HoleModel Domains without a Hole

Half Domain

Full Domain

Isothermal Cases of Half Isothermal Cases of Half DomainDomain

withwith8064 Elements 8064 Elements

and and 11160 Elements11160 Elements

8064 Elements8064 Elements

8064 Elements

Front view of the Mesh

Results: VelocityResults: Velocity

Results: PressureResults: Pressure

Results: Front ViewResults: Front View

Mirrored For View

11160 Elements11160 Elements

1116011160 Elements

Front view of the Mesh

Results: VelocityResults: Velocity

Results: PressureResults: Pressure

Results: Front ViewResults: Front View

Mirrored For View

Comparison of Results for Comparison of Results for ConvergenceConvergence

Comparison of Die lip shape in Isothermal Case

-0.005

0

0.005

0.01

0.015

0.02

0 0.005 0.01 0.015 0.02 0.025

Width

He

igh

t

8064 Elements

11160 Elements

The comparison shows excellent agreement for convergence check.

Comparison of Results for Comparison of Results for ConvergenceConvergence

ParameterBoundary

surface at inlet

Boundary surface at

intersection of two sub domains

Boundary surface at

outlet

Area (m3)

8064 Elements

0.0001317917 0.0001317917 0.00014025

11160 Elements

0.000131445 0.000131445 0.00014025

Average

velocity (m/s)

8064 Elements

0.05049129 0.05083907 0.04942765

11160 Elements

0.05064496 0.05101249 0.04929253

Non-Isothermal Cases of Half Non-Isothermal Cases of Half Domain Domain

withwith8064 Elements 8064 Elements

and and 11160 Elements11160 Elements

8064 Elements8064 Elements

8064 Elements

Front view of the Mesh

Results: VelocityResults: Velocity

Results: PressureResults: Pressure

Results: Front ViewResults: Front View

Mirrored For View

11160 Elements11160 Elements

1116011160 Elements

Front view of the Mesh

Results: VelocityResults: Velocity

Results: PressureResults: Pressure

Results: Front ViewResults: Front View

Mirrored For View

Comparison of Results for Comparison of Results for ConvergenceConvergence

The comparison shows excellent agreement for convergence check.

Comparison of Die lip shape in Non-Isothermal Case

-0.005

0

0.005

0.01

0.015

0.02

0 0.005 0.01 0.015 0.02

8064 elements

11160 elements

Comparison of Results for Comparison of Results for ConvergenceConvergence

ParameterBoundary

surface at inlet

Boundary surface at

intersection of two sub domains

Boundary surface at outlet

Area (m3)

8064 Elemen

ts0.0001283078 0.0001283078 0.00014025

11160 Elemen

ts0.0001322504 0.0001322504 0.00014025

Average

velocity (m/s)

8064 Elemen

ts0.05186172 0.05225217 0.04928673

11160 Elemen

ts0.05027157 0.05071832 0.04637691

Isothermal Cases of Full Isothermal Cases of Full Domain Domain

withwith1161611616 Elements Elements

and and 1680016800 Elements Elements

11616 Elements11616 Elements

11616 Elements

Front view of the Mesh

Results: VelocityResults: Velocity

Results: PressureResults: Pressure

Results: Front ViewResults: Front View

16800 Elements16800 Elements

1680016800 Elements

Front view of the Mesh

Results: VelocityResults: Velocity

Results: PressureResults: Pressure

Results: Front ViewResults: Front View

Comparison of Results for Comparison of Results for ConvergenceConvergence

The comparison shows excellent agreement for convergence check.

-0.005

0

0.005

0.01

0.015

0.02

-0.01 0 0.01 0.02 0.03 0.04

Mesh Size 11616

MEsh Size 16800

Comparison of Results for Comparison of Results for ConvergenceConvergence

ParameterBoundary

surface at inlet

Boundary surface at

intersection of two sub domains

Boundary surface at

outlet

Area (m3)

11616 Eleme

nts0.0002647907 0.0002647907 0.0002805

16800 Eleme

nts0.0002635021 0.0002635021 0.00014025

Average

velocity (m/s)

11616 Eleme

nts0.05023042 0.05055439 0.0002805

16800Eleme

nts0.05050621 0.05085717 0.04942027

Comparison of Results for Comparison of Results for Half and Full Domains Half and Full Domains

(Isothermal Case)(Isothermal Case)

Comparison of Results for Half and Comparison of Results for Half and Full DomainsFull Domains

ParameterBoundary

surface at inlet

Boundary surface at

intersection of two sub domains

Boundary surface at

outlet

Area (m3)

Half Domai

n

0.000131445 x 2 =

0.000262890.0002647907

0.00014025 x 2 =

0.0002805

Full Domai

n0.0002635021 0.0002635021 0.0002805

Average

velocity (m/s)

Half Domai

n0.05064496 0.05101249 0.04929253

Full Domai

n0.05050621 0.05085717 0.04942027

The numerical results for half and full domains show excellent The numerical results for half and full domains show excellent agreementsagreements