Term
|
Definition
Centroid (x,y)= (2r/π, 2r/π)
MOI= πr/2 |
|
|
Term
|
Definition
Centroid (x,y)= (0, 2r/π)
MOI= πr |
|
|
Term
|
Definition
Centroid (x,y)= (rsinα/α,0)
MOI= 2αr |
|
|
Term
|
Definition
Centroid (x,y)= (0,h/3)
MOI= bh/3 |
|
|
Term
|
Definition
Centroid (x,y)= (4r/3π, 4r/3π)
MOI= πr²/2 |
|
|
Term
|
Definition
Centroid (x,y)= (4a/3π, 4b/3π)
MOI= πab/4 |
|
|
Term
|
Definition
Centroid (x,y)= (0, 4b/3π)
MOI= πab/2 |
|
|
Term
| Parabolic spandrel (y=kx²) |
|
Definition
Centroid (x,y)= (3a/4, 3h/10)
MOI= ah/3 |
|
|
Term
| General spandrel (y=kx^n) |
|
Definition
Centroid (x,y)= ([n+1)/(n+2)]a,[(n+1)/(4n+2)]h)
MOI= ah/n+1 |
|
|
Term
|
Definition
Centroid (x,y)= (2rsinα/3α,0)
MOI= αr² |
|
|
Term
|
Definition
MOI about centroidal axis(Ix'x',Iy'y')= bh³/12, b³h/12
MOI about axes (Ixx,Iyy)= bh³/3, b³h/3
Polar moment of inertia= Ixx+Iyy |
|
|
Term
|
Definition
|
|
Term
|
Definition
Ixx= Iyy= πR^4/4
Jo= πR^4/2 |
|
|
Term
|
Definition
Ixx= Iyy= πR64/8
Jo= πR^4/2
Ix'x'= 0.11R64 |
|
|
Term
|
Definition
Ixx= Iyy= πR^4/16
Jo= πR^4/8 |
|
|
Term
|
Definition
Ixx= πab³/4
Iyy= πa³b/4
Jo= πab/4(a²+b²) |
|
|
