101年度-北科大-有限元素法期中考題

解：

1. Discrefize fhe problem info nodes and elemenls.

Element	Node i	Node j	L(m)	θ
(1)	1	2	4	0
(2)	2	4	2	90
(3)	1	4	4.47	26.57
(4)	3	4	4	0

2. Assume a solution that approximates the behavior of an element.

 

3. Develop equations for elements

 

 

 

 

  

 

 

4. Assemble elements.

 

       

 

 

 

 

 

5. Apply the boundary conditions and loads.

 

 

 

7. Obtain other information.