Ejercicio Matalab
Enviado por elvisrf • 22 de Mayo de 2023 • Exámen • 6.048 Palabras (25 Páginas) • 30 Visitas
[pic 1]
E=2000000;
L1=400*sqrt(2); L2=400; L3=300; L4=L3; L5=500; L6=L5; L7=L2;
A=15;
t1=45; t2=0; t3=t2; t4=90; t5=323; t6=37; t7=t2;
Datos=[E A L1 t1;E A L2 t2;E A L3 t3;E A L4 t4;E A L5 t5;E A L6 t6;E A L7 t7]
Datos =
2e+06 15 424.26 45
2e+06 15 400 0
2e+06 15 300 0
2e+06 15 300 90
2e+06 15 500 323
2e+06 15 500 37
2e+06 15 400 0
Barra1=Datos(1,:)
Barra1 =
2e+06 15 424.26 45
Longitudes=Datos(:,3)
Longitudes =
424.26
400
300
300
500
500
400
k1=[E*A/L1 -E*A/L1;-E*A/L1 E*A/L1]
k1 =
53033 -53033
-53033 53033
k2=[E*A/L2 -E*A/L2;-E*A/L2 E*A/L2]; k3=[E*A/L3 -E*A/L3;-E*A/L3 E*A/L3]; k4=[E*A/L4 -E*A/L4;-E*A/L4 E*A/L4]; k5=[E*A/L5 -E*A/L5;-E*A/L5 E*A/L5]; k6=[E*A/L6 -E*A/L6;-E*A/L6 E*A/L6]; k7=[E*A/L7 -E*A/L7;-E*A/L7 E*A/L7];
r1=[cosd(t1) sind(t1) 0 0;0 0 cosd(t1) sind(t1)]
r1 =
0.70711 0.70711 0 0
0 0 0.70711 0.70711
r2=[cosd(t2) sind(t2) 0 0;0 0 cosd(t2) sind(t2)]; r3=[cosd(t3) sind(t3) 0 0;0 0 cosd(t3) sind(t3)]; r4=[cosd(t4) sind(t4) 0 0;0 0 cosd(t4) sind(t4)]; r5=[cosd(t5) sind(t5) 0 0;0 0 cosd(t5) sind(t5)]; r6=[cosd(t6) sind(t6) 0 0;0 0 cosd(t6) sind(t6)]; r7=[cosd(t7) sind(t7) 0 0;0 0 cosd(t7) sind(t7)];
L1=300*sqrt(2);
k1=[E*A/L1 -E*A/L1;-E*A/L1 E*A/L1]
k1 =
70711 -70711
-70711 70711
K1=r1'*k1*r1
K1 =
35355 35355 -35355 -35355
35355 35355 -35355 -35355
-35355 -35355 35355 35355
-35355 -35355 35355 35355
K2=r2'*k2*r2; K3=r3'*k3*r3; K4=r4'*k4*r4; K5=r5'*k5*r5; K6=r6'*k6*r6; K7=r7'*k7*r7;
KGlobal=zeros(10)
KGlobal =
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
KGlobal(1,1)=K1(1,1)+K3(1,1);
KGlobal
KGlobal =
1.3536e+05 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
KGlobal(2,1)=K1(2,1)+K3(2,1);
KGlobal
KGlobal =
1.3536e+05 0 0 0 0 0 0 0 0 0
35355 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
...