CALCS PROC025
HINGE LUG FORCES

NOTATION

W1 2 width, between outer surfaces of lugs 1 & 2
T1 2 thickness, lugs & 2
theta angle, between axes 1 to 2
Px y z forces, parallel to x y & z axes
Mx y z moments, parallel to x y & z axes
P1r forces, lugs,right
P1l forces, lugs, left
P2r forces, lugs 2,right
P2l forces, lugs 2, left
P1rX Y forces, lugs,right, parallel to X & Y axes
P1lX Y forces, lugs, left, parallel to X & Y axes
P2rx y forces, lugs 2, right, parallel to X & Y axes
P2lx forces, lugs 2, left, parallel to X & Y axes

APPLICATION

Pair of hinges joining two members allowing rotation about one axis only

OUTPUT

Hinge lug forces resolved parallel to the local axes

SEE ALSO

PROC3 & PROC7

THEORY

refs

GUIDANCE

guidance notes

INPUT FORMAT

LET W1=:T1=:W2=:T2=:theta=RAD():Px=:Py=:Pz=:Mx=:My=:PROC025

EXAMPLE

Call Statement

LET W1=210:T1=1.5:W2=234:T2=2.3:theta=35:Px=236:Py=102:Pz=20:Mx=2.3E4:My=3.4E4:PROC025

Output

PROC025 HINGE, LUG FORCES, Rev 270995
P1rX= +Px*COS(theta)/2-Py*SIN(theta)/2+Mx*SIN(theta)/(W1-T1)+My*COS(theta)/(W1-T1)= -279.4
P1rY= -Px*SIN(theta)/2+Py*COS(theta)/2-Mx*COS(theta)/(W1-T1)+My*SIN(theta)/(W1-T1)= 34.3
P1lX= +Px*COS(theta)/2-Py*SIN(theta)/2-Mx*SIN(theta)/(W1-T1)-My*COS(theta)/(W1-T1)= 109.8
P1lY= -Px*SIN(theta)/2+Py*COS(theta)/2+Mx*COS(theta)/(W1-T1)-My*SIN(theta)/(W1-T1)= -25.43
P2rx= +Px/2+My/(W2-T2)= 264.7
P2ry= +Py/2-Mx/(W2-T2)= -48.27
P2lx= +Px/2-My/(W2-T2)= -28.74
P2ly= +Py/2+Mx/(W2-T2)= 150.3
P1r= SQR(P1rX^2+P1rY^2)= 281.5
P1l= SQR(P1lX^2+P1lY^2)= 112.7
P2r= SQR(P2rx^2+P2ry^2)= 269.1
P2l= SQR(P2lx^2+P2ly^2)= 153
END025