10 Parachute Flight Dynamics and Trajectory Simulation Doher

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III <strong>Parachute</strong> Inflation with drasticaly changing drag area C DS(t) Opening Shock F X
Page 1 and 2: Parachute Flight Dynamics and Traje
Page 3 and 4: Questions: - Trajectory Where is th
Page 5 and 6: Why Illusions? 1. Parachutes are St
Page 7 and 8: Example: Cylindrical Payload (L) re
Page 10 and 11: - Rigid body mathematical models ge
Page 13 and 14: System Flight Stages I Payload free
Page 15 and 16: I Payload Free Flight V System Stea
Page 17 and 18: Non-linear algebraic relations: fli
Page 19 and 20: Vertical flight: System decelerates
Page 21 and 22: V / VA 1 0.8 0.6 0.4 0.2 FIG2_2 | 2
Page 23 and 24: V / Ve 5 4 3 2 1 FIG2_4 | 26.4.1997
Page 25 and 26: Task #1: Find suitable parachute -
Page 27: II Parachute Deployment with consta
Page 30: Snatch Force Estimation (SNATCH) co
Page 33 and 34: With potential energy stored in sus
Page 35 and 36: Measured T-10 Snatch Forces (from P
Page 37: Results of SNATCH: Snatch occurs at
Page 41 and 42: We are looking for the maximum of x
Page 44 and 45: Assume polynomial change of the dra
Page 46 and 47: Introduce ballistic parameters A an
Page 48 and 49: If =/ 0, or if V s/V e is small, th
Page 50 and 51: Task # 4: Estimate opening shock (u
Page 52 and 53: IV System Deceleration and Stabilis
Page 54 and 55: 3DoF-equations of motion in traject
Page 56 and 57: Damping and frequency: Conditions f
Page 58 and 59: Results of OSCILALH.BAS in horizont
Page 60 and 61: Stability analysis Case: Vertical f
Page 62 and 63: Task # 5b: Estimate Dynamic Stabili
Page 64 and 65: 10 [deg] 5 0 -5 -10 [deg] V [m/s] F
Page 66 and 67: Drag area model: (C DS) a (C DS) e
Page 68 and 69: system data for stage: System free
Page 70 and 71: system data for stage: parachute in

10 Parachute Flight Dynamics and Trajectory Simulation Doher

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