:ά̬ṹԪ

ʽ:
[Node1,Element1,n,ErText]=SimulationFEM2D(Node,Element,Load,IsStress,h)
[Node1,Element1,n,ErText]=SimulationFEM2D(Node,Element,Load,IsStress)
[Node1,Element1,n,ErText]=SimulationFEM2D(Node,Element,Load)

Node:洢ڵľ,˾Ϊ3еľ,1д洢ڵ(Ŵ1ʼ),2ΪӦڵx,3ΪӦڵyꡣ˱Ϊű,űʾ洢ڵļ·,ļͬΪ3,ÿһеԶŷָ,ÿһд;
Element:洢ıεԪľ,˾Ϊ7еľ,1д洢Ԫ(Ŵ1ʼ),2-5δ洢ıεԪӦĽڵ,6д洢Ԫĵģ,7д洢ԪĲɱȡ˱Ϊű,űʾ洢ڵļ·,ļͬΪ7,ÿһеԶŷָ,ÿһд;
Load:洢߽/λƼصľ,˾Ϊ5еľ,1д洢,Ϊ0ʱʾ,Ϊ1ʱʾλƼ;2д洢ָĽڵ;3д洢صķ,Ϊ0ʱʾx,Ϊ1ʱʾy;4д洢ĴС˱Ϊű,űʾ洢ڵļ·,ļͬΪ4,ÿһеԶŷָ,ÿһд;
IsStress:ʾģǷƽӦ,ֵΪ0ʾƽӦ,ʾƽӦĬϴֵΪ0
h:ʾƽģͺ,ĬΪ1

Node1:ɹĽڵӵеıֵ,Ϊһ5еľ,ÿһзֱڵxԭꡢyԭꡢxλơyλ
Element1:ɹĵԪӵеıֵ,Ϊһ12еľ,ÿһзֱԪԪ1ڵԪ2ڵԪ3ڵԪ4ڵģɱȡxӦyӦxyӦxӦ䡢yӦ䡢xyӦ䡢MissesӦӦӦӦ
n:ɹı־1ʾɹ0ʧܣ-1ڵϢ󣬷-2ԪϢ󣬷-4
ErText:ֻڼʧʱ˲ŷֵ,ɷؾĴϢ

ע:Ѿڡ㡿Ҽṹ桿

:
//ͼƽӦģ,ڽڵ151518ֱܵλƼԼ,ģÿԪĵģΪ3.8e5,ɱΪ0.3,ϵͳα
{<http://img2.ph.126.net/XD8bk04z3xZagp80pIZVvg==/6630079304747201834.png>}

node=[1,0,0
2,1,0
3,2,0
4,3,0
5,4,0
6,0,1
7,1,1
8,2,1
9,3,1
10,4,1
11,0,2
12,1,2
13,2,2
14,3,2
15,4,2
16,0,3
17,1,3
18,2,3
19,3,3
20,4,3];

elem=[1,1,2,7,6,3.8e5,0.3
2,2,3,8,7,3.8e5,0.3
3,3,4,9,8,3.8e5,0.3
4,4,5,10,9,3.8e5,0.3
5,6,7,12,11,3.8e5,0.3
6,7,8,13,12,3.8e5,0.3
7,8,9,14,13,3.8e5,0.3
8,9,10,15,14,3.8e5,0.3
9,11,12,17,16,3.8e5,0.3
10,12,13,18,17,3.8e5,0.3
11,13,14,19,18,3.8e5,0.3
12,14,15,20,19,3.8e5,0.3];

load=[1,1,0,0
1,1,1,0
1,5,0,0
1,5,1,0
1,15,0,-0.05
1,18,1,-0.9];

//ınodeelemloadΪģ͵Ĳ
[n1,e1]=SimulationFEM2D(node,elem,load,0,1)//ģͺΪ1,ִбسɵõn1,e1