Science China Technological Sciences

, Volume 55, Issue 11, pp 3131–3141 | Cite as

Numerical simulation of parachute Fluid-Structure Interaction in terminal descent

  • YiHua Cao
  • Kan Wan
  • QianFu Song
  • John Sheridan


A numerical simulation method for parachute Fluid-Structure Interaction (FSI) problem using Semi-Implicit Method for Pressure-Linked Equations (SIMPLE) algorithm is proposed. This method could be used in both coupling computation of parachute FSI and flow field analysis. Both flat circular parachute and conical parachute are modeled and simulated by this new method. Flow field characteristics at various angles of attack are further simulated for the conical parachute model. Comparison with the space-time FSI technique shows that this method also provides similar and reasonable results.


parachute Fluid-Structure Interaction (FSI) Semi-Implicit Method for Pressure-Linked Equations (SIMPLE) algorithm vortex structure flowfield topological analysis 



angle of attack


air density




velocity at the inflow boundary


generalized diffusion coefficient


generalized source term


static pressure


pressure at the inflow boundary


molecular viscosity coefficient


equivalent viscosity coefficient


pressure coefficient


the pressure coefficient difference between the inner and outer canopy


turbulent fluctuation kinetic energy


turbulent energy dissipation rate


Reynolds number


an angle between the canopy axis and the normal line of meridian


apex angle of conical parachute


the half angle between two contiguous planes E

ν, β, θ

angles (see Figure 5)


dimensionless length of apex point of the cord line to the point on itself in unstretched gore state

σm*, σu*

dimensionless stress in canopy fabric in the longitudinal and latitudinal direction


shrink factor of canopy material


dimensionless bulge radius of the canopy


dimensionless force in cord line

xf*, zf*

dimensionless x and z coordinates of cord line in cylindrical coordinates

Eb, Ef

dimensionless elasticity modulus of canopy fabric and cord line


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Copyright information

© Science China Press and Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  • YiHua Cao
    • 1
  • Kan Wan
    • 1
  • QianFu Song
    • 1
  • John Sheridan
    • 2
  1. 1.School of Aeronautical Science and EngineeringBeihang UniversityBeijingChina
  2. 2.Department of Mechanical and Aerospace Engineering, Faculty of EngineeringMonash UniversityMelbourneAustralia

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