MATLAB



3.6


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1

= (1,1) = - 22.8591

2

= (2,1) = 1.0959 2

3

= (3,1) = - 59.0041

4

= (4,1) = 9.0752

5

= (5,1) = 10.7927

6

= (6,1) = - 7.2730

7

= (7,1) = - 0.9959

8

= (8,1) = - 9.6477

9

= (9,1) = 20.7927

10

= (10,1) = - 0.9959

11

= (11,1) = - 21.7175

12

= (12,1) = -

0.8570 2

13

= (13,1) = 6.1450

14

= (14,1) = 0.9959

15

= (15,1) = 10.7927

16

= (16,1) = 2.8455 3

17

= (17,1) = -

1.7751 2

18

= (18,1) = 13.7229

19

= (19,1) = - 0.9959

20

= (20,1) = - 21.7175

3.3.2. -

(3.12), (3.13)

0-1

= 0 : 0.001 : 1.0; q = 10.0;

EIv = - (X(2,1)*x - X(4,1)*x.^ 3 / 6 + q*x.^4 / 24);

EIfi

= - (X(2,1) - X(4,1)*x.^ 2 / 2 + q*x.^3 / 6);

Q = X(4,1) - q*x; M = X(4,1)*x - q*x.^ 2 / 2;

subplot (2,2,1), plot (x, EIv); axis

([0 1 - 0.4 0.4]); grid on

subplot (2,2,2), plot (x, EIfi); axis ([0 1 - 2 2]); grid on

subplot (2,2,3), plot (x, Q); axis

([0 1 - 10 10]); grid on

subplot (2,2,4), plot (x, M); axis

([0 1 - 5 5 ]); grid on

1-2

= 0 : 0.001 : 1.0; q = 10.0;

EIv = - (X(17,1)*x - X(8,1)*x.^ 2 / 2- X(9,1)*x.^ 3 / 6 + q*x.^4 / 24);

EIfi

= - (X(17,1) - X(8,1)*x- X(9,1)*x.^ 2 / 2 + q*x.^3 / 6);

Q = X(9,1) - q*x; M = X(8,1) + X(9,1)*x - q*x.^ 2 / 2;

subplot (2,2,1), plot (x, EIv); axis

([0 1 - 0.4 0.4]); grid on

subplot (2,2,2), plot (x, EIfi); axis ([0 1 - 2 2]); grid on

subplot (2,2,3), plot (x, Q); axis

([0 1 - 22 22]); grid on

subplot (2,2,4), plot (x, M); axis

([0 1 - 10 10]); grid on

1-3

). (0;

) .

= 0 : 0.001 : 0.75;