analyses of triangular die with a hole tonicadd-fnalby praveen reddy and meung kim me, niu

Analyses of Triangular Die Analyses of Triangular Die with a Holewith a Hole

ToToNICADD-FNALNICADD-FNAL

ByByPraveen Reddy and Meung KimPraveen Reddy and Meung Kim

ME, NIUME, NIU

Model Domains with a 1.4 mm Model Domains with a 1.4 mm HoleHole

Half Domain

Full Domain

Isothermal Cases of Half Isothermal Cases of Half DomainDomain

withwith67206720 Elements Elements

and and 11324 Elements11324 Elements

6720 Elements6720 Elements

Results: VelocityResults: Velocity

Results: PressureResults: Pressure

Results: Front ViewResults: Front View

Mirrored For View

11324 Elements11324 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 convergence for isothermal case of 1.4 hole diameter (half section)

-0.005

0

0.005

0.01

0.015

0.02

0 0.005 0.01 0.015 0.02 0.025

Width

Hei

gh

t

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)

6732 Eleme

nts0.0001335701 0.000135701 0.000139557

11324 Eleme

nts0.0001334148 0.0001334148 0.0001394999

Average

velocity (m/s)

6732 Eleme

nts0.06884649 0.05897557 0.04977727

11324 Eleme

nts0.06888787 0.0599783 0.04955373

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

withwith6096 Elements 6096 Elements

and and 10632 Elements10632 Elements

8064 Elements8064 Elements

Front view of the Mesh

Results: VelocityResults: Velocity

Results: PressureResults: Pressure

Results: Front ViewResults: Front View

Mirrored For View

10632 Elements10632 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 Convergence in non-isothermal case for 1.4 hole diameter (Half Section)

-0.005

0

0.005

0.01

0.015

0.02

0 0.005 0.01 0.015 0.02

Width

Hei

gh

t

10632

6096

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)

6732 Eleme

nts0.0001304626 0.0001304626 0.0001394999

11324 Eleme

nts0.0001308048 0.0001308048 0.000139557

Average

velocity (m/s)

6732 Eleme

nts0.07003363 0.0600918 0.04946035

11324 Eleme

nts0.07005769 0.06012193 0.04965074

Isothermal Cases of Full Isothermal Cases of Full Domain with a 1.4 mm Hole Domain with a 1.4 mm Hole

12120 Elements12120 Elements

Front view of the Mesh

Results: VelocityResults: Velocity

Results: PressureResults: Pressure

Results: Front ViewResults: Front View

19656 Elements19656 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.

Comparison of convergence for 1.4 Iso- Thermal (Full Domain)

-0.005

0

0.005

0.01

0.015

0.02

-0.03 -0.02 -0.01 0 0.01 0.02 0.03

Width

Height 12120

19656

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)

12120Eleme

nts0.0002672051 0.0002672051 0.0002791141

19656Eleme

nts0.0002668402 0.0002668402 0.000278999

Average

velocity (m/s)

12120 Eleme

nts0.06905492 0.05917417 0.0499262

19656Eleme

nts0.06903166 0.05913879 0.04973161

Non-Isothermal Cases of Non-Isothermal Cases of Full Domain with a 1.4 mm Full Domain with a 1.4 mm

Hole Hole

9038 Elements9038 Elements

Front view of the Mesh

Results: VelocityResults: Velocity

Results: PressureResults: Pressure

Results: Front ViewResults: Front View

12210 Elements12210 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.

Comparison for convergence of 1.4 Non-isothermal (Full Domain)

-0.005

0

0.005

0.01

0.015

0.02

-0.03 -0.02 -0.01 0 0.01 0.02 0.03

Width

Height 12120

19656

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)

9038Eleme

nts0.0002528425 0.0002528425 0.0002728523

12210Eleme

nts0.0002515342 0.0002515342 0.0002784568

Average

velocity (m/s)

9038Eleme

nts0.07113245 0.06079988 0.05012821

12210Eleme

nts0.07141531 0.06109561 0.05036212

Analyses of Triangular Die Analyses of Triangular Die with a 1.7 mm Holewith a 1.7 mm Hole

The results are very similar to the cases of 1.4 mm holes and the details are shown in the detailed report.