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