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Thesis - Leigh Moody.pdf - Bad Request - Cranfield University

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Appendix I / Utilities / Point Mass Kinematics<br />

_ _<br />

A<br />

a, b<br />

+ P&<br />

&<br />

b,<br />

p<br />

+ ω<br />

A,<br />

B<br />

× V<br />

a,<br />

b<br />

p<br />

Z A<br />

a<br />

+ 2 ⋅ ω<br />

Z B<br />

A,<br />

B<br />

P XB<br />

bp<br />

A<br />

22.5-3<br />

a, p<br />

× P&<br />

: =<br />

b,<br />

p<br />

Y B<br />

P XR<br />

ab<br />

+ ω&<br />

Y A<br />

A,<br />

B<br />

× P<br />

X B<br />

b,<br />

p<br />

b<br />

X A<br />

+ ω<br />

Figure 22-7 : Dynamics of a Point in E 3<br />

A,<br />

B<br />

× ω<br />

If point (p) is stationary with respect to frame (B) then (k = 1) and,<br />

a, p<br />

a, b<br />

V : = V + ω ×<br />

a, p<br />

A,<br />

B<br />

a,<br />

b<br />

a, b<br />

A,<br />

B<br />

A,<br />

B<br />

A : = V&<br />

+ ω × V + ω&<br />

× P + ω × ω ×<br />

b,<br />

p<br />

P<br />

b,<br />

p<br />

A,<br />

B<br />

A,<br />

B<br />

× P<br />

b,<br />

p<br />

Equation 22.5-16<br />

Equation 22.5-17<br />

A,<br />

B<br />

P<br />

b,<br />

p<br />

Equation 22.5-18<br />

Expanding the acceleration equation assuming that points (b) and (p) are<br />

fixed in a rigid body, expressing the result in frame (B),

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