Applied Software

• MONSTR-2.2 - structural & aeroelastic analysis (finite element code)
• PARAD-2.2 - aerodynamic analysis (mesh-based code)
• DVM-2 aerodynamic analysis (vortex-based code)
• EXPRESS - aerodynamic analysis of high-speed parachute in turbulent forebody wake
• Download Page
  

Typical meshes

• 2D fragment of 3D aerodynamic mesh around a parachute canopy
• The finite element mesh simulating Ring+ConicSkirt parachute
• Computed shapes of 8 decelerators

RING parachute

• Ring parachute shape predicted (zero pitch angle).
• Velocity field around Ring parachute (zero pitch angle)
• Velocity field around Ring parachute (pitch angle = 15 degrees)
• Ring parachute shape predicted (pitch angle=45 degrees, close to collapse)
• Pressure coefficient difference along Ring parachute surface (pitch angle=0 and 15 degrees)
• The main pitch-dependent performances of imporous Ring parachute
• Pressure isolines around imporous ring parachute for pitch angle 0 degrees
• Pressure isolines around imporous ring parachute for pitch angle 15 degrees
• Structural analysis of large circular parachute (100 sq.m., 40 gores)
• Comparison of full scale and numerical results for circular parachute (100 sq.m., 40 gores)

RING + ConicSkirt parachute

• Pressure isolines around Ring +ConicSkirt parachute for pitch angle 0 degrees
• Ring +ConicSkirt parachute shape predicted (pitch angle=0 degrees)
• Ring +ConicSkirt parachute shape predicted (pitch angle= 35 degrees)
• Flow around Ring +ConicSkirt parachute for pitch angle 0 degrees
• The main pitch-dependent performances of imporous Ring+ConicSkirt parachute

Ring+Band+ConicSkirt supersonic parachute

• Flow around parachute-forebody system. Density field (isolines). Mach=2.
• Flow around parachute-forebody system. Velocity vector field. Mach=2.
• Parachute inflation sequence

CONIC SOLID parachute

• Conic parachute shape prediction
• Coninc parachute with steering vents

CONIC RIBBON parachute

• Ribbon 12-gore parachute shape predicted. Side view.
• Ribbon 12-gore parachute shape predicted. Isometric view.

BICONIC parachute

• Biconic parachute. Inflation, maximum load phase. Structural analysis

DISK-GAP-BAND (DGB) parachute

• 12-gore DGB parachute shape predicted (side view)
• 24-gore DGB parachute shape predicted (side view)
• 24-gore DGB parachute shape predicted (ismetric view)
• Radial tensions in 24-gore DGB parachute canopy

HEMISPHERIC parachute

• The shape in flight (side view)
• The sahpe during inflation (side view, max. load phase)
• Tension in carcass (tapes/cords)
• Tension in ripstop fabric along warp direction
• Tension in ripstop fabric along warp direction (rainbow shadow palette)
• Tension in ripstop fabric along weft direction

RINGSAIL parachute

• RingSail parachute: the shape predicted (side view)
• RingSail parachute: the shape predicted (isometric view)

SQUARE parachute with RADIAL carcass

• The shape predicted (side view)
• The shape predicted (top view)
• The shape predicted (isometric view)
• Canopy radial tensions predicted (along fabric warp direction)

SQUARE parachute with RECTANGULAR carcass

• The shape predicted (side view)
• The shape predicted (top view)
• The shape predicted (isometric view)

CROSS parachute

• The shape of cross parachute (zero pitch angle)
• The shape of cross parachute ( pitch angle = 30 degrees, isometric)
• The shape of cross parachute ( pitch angle = 30 degrees, side view)
• Pressure difference distribution along the blades central section
• Flow around cross parachute (section along blades)
• Flow around cross parachute (section across blades)
• Pressure isolines around imporous cross parachute in subsonic flow (Mach=0.1) for pitch angle 0 degrees
• The main pitch-dependent performances of imporous cross parachute
• Cross parachute with 4 slots. Structural analysis.
• Cross parachute inflation sequence

ROTATING parachute (aka: ROTOR, ROTOCHUTE)

• The shape predicted of 10-gore ROTOR (top view)
• The shape predicted of 10-gore ROTOR (isometric view)

PARAWING (one-keel gliding parachute)

• The shape predicted (side view)
• The shape predicted (top view)
• The shape predicted (isometric view)

GLIDING parachute (slotted ring canopy + stabilization panels: "Para-Commander MARK II")

• The shape predicted (side view)
• The shape predicted (isometric view)

Ram-air parachute AIRFOIL design

• Rigid rib chosen from DVM-2 analysis
• Flexible rib distorted without reinforcements
• Warp turned by 45° can slightly improve rib form
• Reinforcement maintains good rib form in flight
• Reinforced rib keeps good form after cutting out 3 holes

PARAFOIL

• High-end presentation picture for the parafoil shape predicted and exported to CAD system (created by I.Petrov)
• The parafoil shape predicted. Free flight regime. View 1
• The parafoil shape predicted. Free flight regime. View 2
• Tensions in parafoil rib along warp direction
• Tensions in parafoil rib along weft direction
• Free flight. Tension in parafoil along warp direction.
• Free flight. Tension in parafoil along weft direction.
• Pressure difference on the lower parafoil surface (right wing visible)
• Pressure difference on the upper parafoil surface (right wing visible)
• Parafoil reefing by slider. The shape predicted. Picture 1
• Parafoil reefing by slider. The shape predicted. Picture 2
• Reefing by slider. Tensions along warp direction. Lower surface.
• Reefing by slider. Tensions along weft direction. Lower surface.
• Reefing by slider. Tensions along warp direction. Upper surface.
• Reefing by slider. Tensions along weft direction. Upper surface.
• Brake regime. Parafoil shape predicted. Top view
• Brake regime. Parafoil shape predicted. Side view
• Brake regime. Parafoil shape predicted. Isometric view 1
• Brake regime. Parafoil shape predicted. Isometric view 2
• Brake regime. Parafoil shape predicted. Front view
• Optimizing of paraglider (choice of airfoil shaped rib, position of intake, canopy planform, best angle of attack to reach max. Lift/Drag ratio, etc.)

BALLUTE = BALLoon + parachUTE decelerator

• Ballute shape predicted in subsonic flow (Mach=0.1)
• Pressure coefficient (experimental and predicted) along the ballute outer surface in subsonic flow (Mach=0.1)
• Pressure isolines around the ballute in subsonic flow (Mach=0.1) for pitch angle 20 degrees
• Velocity vector field around the ballute in subsonic flow (Mach=0.1) for pitch angle 20 degrees
• The main pitch-dependent performances of the ballute in subsonic flow
• Flow around ballute-forebody system. Density field. Mach number =2
• 8-gore ballute inflation sequence

INFLATION PROCESS

• Supersonic "Disk-Band-Cone" parachute inflation in forebody wake. Mach=2.
• Supersonic cross parachute inflation in forebody wake. Mach=2.
• Ballute inflation in undisturbed flow. Mach=2.