Magnus Effect on Balloon Trajectory

Magnus Effect on Balloon Trajectory
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2020-03-21 16:57
This example demonstrates how the Magnus effect influences the trajectory of a balloon. It involves core mathematical concepts such as vectors, function graphs, trigonometry, coordinate geometry, and probability & statistics. Key GeoGebra commands used in construction include Vector, OrthogonalLine, Translate, Segment, Mirror, Line, Intersect, Polygon, Midpoint, Point, Sequence, and CurveCartesian. It is suitable for high school and above students to explore the intersection of fluid dynamics and mathematics.

GeoGebra Commands & Parameters

  1. Vector(B_1, Y) → v
  2. Vector(B_1, X) → u
  3. Vector(B_1, Z) → w
  4. OrthogonalLine(View3D, yAxis) → a
  5. OrthogonalLine(View3D, xAxis) → b
  6. Translate(O, Vector[(8 * v)]) → OO
  7. Segment(O, OO) → d
  8. Translate(O, u) → O'
  9. Mirror(O', O) → O''
  10. Segment(O'', O') → e
  11. Line(OO, e) → h
  12. Line(O'', d) → i
  13. Line(O', d) → j
  14. Intersect(i, h) → A
  15. Intersect(j, h) → B
  16. Mirror(OO, A) → C
  17. Mirror(OO, B) → D
  18. Segment(E, F) → l
  19. Segment(E, A) → m
  20. Segment(F, B) → n
  21. Polygon(C, D, H, G) → poly1, c_1, d_1, h_1, g_1
  22. Mirror(OO, C) → I
  23. Mirror(OO, D) → J
  24. Mirror(OO, I) → K
  25. Mirror(OO, J) → L
  26. Line(L, j) → p
  27. Line(M, h) → q
  28. Line(K, i) → r
  29. Intersect(q, r) → N
  30. Line(P, h) → s
  31. Mirror(L, P) → L'
  32. Intersect(s, r) → Q
  33. Line(L', s) → a_1
  34. Intersect(a_1, r) → R
  35. Polygon(R, N, M, L') → poly2, r_1, n_1, m_1, l'
  36. Midpoint(Q, P) → S_1
  37. Polygon(R, K, L, L') → poly3, r_2, k_2, l_1, l'_1
  38. Line(O', O'') → b_1
  39. Line(V, h) → e_1
  40. Intersect(r_1, e_1) → T
  41. Intersect(m_1, e_1) → U
  42. Segment(T, U) → f_1
  43. Point(f_1) → S
  44. Vector(S, OO) → z
  45. Sequence((x(S), y(S)) + (i / Distance * z) + (w * ((i * tan(α)) - ((0.5 * g / (((v_0 / 10)^(2) * cos(α)^(2)))) * i^(2)))), i, 0, Shoot, 0.1) → liste1
  46. Sequence((x(S), y(S)) + (i / Distance * z) + (w * ((i * tan(α)) - ((0.5 * g / (((v_0 / 10)^(2) * cos(α)^(2)))) * i^(2)))) + (u * ((i * tan(Effet)) - ((0.5 * g / (((v_0 / 10)^(2) * cos(Effet)^(2)))) * i^(2)))), i, 0, Shoot, 0.1) → liste2
  47. Midpoint(h_1) → W
  48. CurveCartesian(x(K + ((0.5 * cos(i)) * u) - ((0.5 * sin(i)) * v)), y(K + ((0.5 * cos(i)) * u) - ((0.5 * sin(i)) * v)), i, 0, 1.5707963267948966) → o
  49. CurveCartesian(x(L - ((0.5 * cos(i)) * u) - ((0.5 * sin(i)) * v)), y(L - ((0.5 * cos(i)) * u) - ((0.5 * sin(i)) * v)), i, 0, 1.5708) → i_1
  50. Line(I, i) → j_1
  51. Line(J, j) → p_1
  52. Line(A_1, k_2) → q_1
  53. Intersect(j_1, q_1) → C_1
  54. Intersect(p_1, q_1) → D_1
  55. Intersect(j_1, f_1) → E_1
  56. Segment(I, C_1) → s_1
  57. Segment(C_1, D_1) → t_1
  58. Segment(D_1, J) → a_2
  59. Midpoint(W, A_1) → F_1
  60. CurveCartesian(x(A_1 + ((1.5 * cos(i)) * u) - (sin(i) * v)), y(A_1 + ((1.5 * cos(i)) * u) - (sin(i) * v)), i, 0, 3.141592653589793) → o_1
  61. CurveCartesian(x(S_1 + ((2.5 * cos(i)) * u) - ((2.5 * sin(i)) * v)), y(S_1 + ((2.5 * cos(i)) * u) - ((2.5 * sin(i)) * v)), i, 0, 6.28319) → u_1
  62. Segment(Q, P) → b_2
  63. Segment(F, K_1) → c_2
  64. Segment(H_1, E) → f_2
  65. Polygon(K_1, I_1, G_1, H_1) → poly4, k_3, i_2, g_2, h_2
  66. Intersect(h_2, k_3) → L_1
  67. Intersect(n, c_1) → M_1
  68. Polygon(L_1, F, M_1, I_1) → poly5, l_2, f_3, m_2, i_3
  69. Intersect(m, c_1) → O_1
  70. Polygon(H_1, E, O_1, G_1) → poly6, d_2, e_2, j_2, n_2
  71. CurveCartesian(x(S + (i / Distance * z) + (w * ((i * tan(α)) - ((0.5 * g / (((v_0 / 10)^(2) * cos(α)^(2)))) * i^(2))))), y(S + (i / Distance * z) + (w * ((i * tan(α)) - ((0.5 * g / (((v_0 / 10)^(2) * cos(α)^(2)))) * i^(2))))), i, 0, Shoot) → v_1
  72. CurveCartesian(x(S + (i / Distance * z) + (w * ((i * tan(α)) - ((0.5 * g / (((v_0 / 10)^(2) * cos(α)^(2)))) * i^(2)))) + (u * ((i * tan(Effet)) - ((0.5 * g / (((v_0 / 10)^(2) * cos(Effet)^(2)))) * i^(2))))), y(S + (i / Distance * z) + (w * ((i * tan(α)) - ((0.5 * g / (((v_0 / 10)^(2) * cos(α)^(2)))) * i^(2)))) + (u * ((i * tan(Effet)) - ((0.5 * g / (((v_0 / 10)^(2) * cos(Effet)^(2)))) * i^(2))))), i, 0, Shoot) → w_1

AI Drawing Prompt Reference

Draw a balloon trajectory diagram showing the Magnus effect. The diagram includes three main parts: the initial velocity vector of the balloon represented by three perpendicular vectors; the balloon's motion trajectory composed of multiple line segments and curves, including the ascending path and the curved path affected by the Magnus effect; and the rotation effect of the balloon achieved through mirroring and line segment connections. The overall presentation shows the balloon's motion trajectory and rotation effect, demonstrating the influence of the Magnus effect on the balloon's movement.
The prompt above was compiled from the original drawing commands and is for reference only.