Numerical simulation of flow past bodies by vortex method Alexey Setukha Lomonosov Moscow State...
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Numerical simulation of flow past bodies by vortex method Alexey Setukha Lomonosov Moscow State University September, 2013
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Transcript of Numerical simulation of flow past bodies by vortex method Alexey Setukha Lomonosov Moscow State...
Numerical simulation of flow past
bodies by vortex method
Alexey Setukha
Lomonosov Moscow State University
September, 2013
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• The idea of a vortex methods
• Mathematical aspects
• The numerical vortex model for the separated flows past bodies
• The tests calculations and examples of Applications
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NUMERICAL SCHEME
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THE PROBLEM
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The tests calculations and
examples of Applications
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MODERN PASSENGER AIRCRAFT MODELING
PERSPECTIVE VIEW
TOP VIEW
SIDE VIEW
AIRCRAFT MAPPING
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MODERN PASSENGER AIRCRAFT MODELING
For angles of attack 0 , 10
For angles of attack 40 ,50 ,60 ,70 ,80
SEPARATION LINES
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MODERN PASSENGER AIRCRAFT MODELING
VORTEX WAKE FOLLOWING AIRCRAFT WHEN 70 .
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MODERN PASSENGER AIRCRAFT MODELING
DISTRIBUTION OF AERODYNAMIC LOAD:
p
p pc
q
at solid fuselage, p
p pc
q
- at wings and fins (thin surfaces), 2 / 2q V .
70
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MODERN PASSENGER AIRCRAFT MODELING
COMPARING CALCULATIONS TO EXPERIMENTAL DATA
-0,8
0
0,8
1,6
2,4
-5 15 35 55 75
Cy
mz
-2,1
-1,4
-0,7
0
0,7
-5 15 35 55 75
NORMAL POWER AND PITCH MOMENT COEFFICIENTS ON VARIOUS ANGLES OF ATTACK
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MODELING FLOWS PAST BUILDINGS AND CONSTRUCTIONS
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MODELING FLOWS PAST BUILDINGS AND CONSTRUCTIONS
VELOCITY FIELD ANALYSIS
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MODELING FLOWS PAST BUILDINGS AND CONSTRUCTIONS
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MODELING FLOWS PAST BUILDINGS AND CONSTRUCTIONS
HOUSE MAPPING. POSITION OF BASE LINE OF PRESSURE COMPARISON.
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MODELING FLOWS PAST BUILDINGS AND CONSTRUCTIONS
THE DISTRIBUTION OF PRESSURE COEFFICIENT OVER HOUSE SURFACE
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MODELING FLOWS PAST BUILDINGS AND CONSTRUCTIONS
THE DISTRIBUTION OF PRESSURE COEFFICIENT IN SECTION A-A
(COMPARISON TO EXPERIMENT).
0 300
line-calculation, points- experiment (K.S. Strelkov, M.S. Komarov, Yu. M. Mulov, Yu.M. Nevezhina Scientific report of NTO STz “TsAGI-TEST” 1998)
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MODELING FLOWS PAST BUILDINGS AND CONSTRUCTIONS
THE DISTRIBUTION OF PRESSURE COEFFICIENT IN SECTION A-A
(COMPARISON TO EXPERIMENT).
0 300
line-calculation, points- experiment (K.S. Strelkov, M.S. Komarov, Yu. M. Mulov, Yu.M. Nevezhina Scientific report of NTO STz “TsAGI-TEST” 1998)
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MODELING PARACHUTES
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MODELING PARACHUTES
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MODELING PARACHUTES
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Parachute Building Institute (Moscow, Russia) Parachute design department (Xianfan, China)
