PEMODELAN
PERSIAPAN
DATA
·
Data Propertis Batang
6 cm2 = 6e-4 m2
210 Gpa = 210e9 N/m2
α = 450
Gaya arah Y
Sin 45 = 0,7071
350 x 0,7071 = 247.458 N
Gaya arah X
Cos 45 = 0,7071
350 x 0,7071 = 247.458 N
·
Data Koordinat
No Titik
|
X
|
Y
|
1
|
0
|
0
|
2
|
3.5
|
0
|
3
|
7
|
0
|
4
|
0
|
3.5
|
5
|
3.5
|
3.5
|
6
|
7
|
3.5
|
7
|
10.5
|
3.5
|
·
Data Batang
No.
Batang
|
No.
titik kiri (bawah)
|
No.
titik kanan
(atas) |
No.
Propertis
|
1
|
1
|
2
|
1
|
2
|
2
|
3
|
1
|
3
|
2
|
4
|
1
|
4
|
2
|
5
|
1
|
5
|
2
|
6
|
1
|
6
|
3
|
6
|
1
|
7
|
3
|
7
|
1
|
8
|
4
|
5
|
1
|
9
|
5
|
6
|
1
|
10
|
6
|
7
|
1
|
·
Data Tumpuan
No. Titilk
|
Restrain RX
|
Restrain RY
|
Restrain R
|
1
|
1
|
1
|
1
|
4
|
1
|
1
|
1
|
·
Data Beban Titik
No.
Titik
|
Beban
Fx
|
Beban
Fy
|
Beban
Mz
|
5
|
0
|
-300
|
0
|
6
|
0
|
-200
|
0
|
7
|
247.458
|
-247.458
|
0
|
1. INPUT
DATA
%****RANGKA BATANG
2D---TEKNIK SIPIL UNISSULA SEMARANG----
%****nama file :
soal5Reqsi_s----oleh :ZAITUN ANDARWAN (022113198)----
%****struktur : SOAL2 R.
BATANG
clear all
clc
%****General
Data--------------
type='t2d'
nfile='SOAL2 R. BATANG'
%****Property---i,E,A--------------
prop = [
1 210e9 6e-4
];
%****Coordinates------------
%****--- Joint X
Y ---
coord=[ 1
0 0
2
3.5 0
3
7 0
4
0 3.5
5
3.5 3.5
6
7 3.5
7
10.5 3.5 ];
%****Element
data------------------
%****--- Element J1 J2
No.prop---
element=[ 1 1
2 1
2 2
3 1
3 2
4 1
4 2
5 1
5
2 6 1
6 3
6 1
7 3
7 1
8 4
5 1
9 5
6 1
10 6
7 1 ];
%****Nodal
Restraint----------
%****---- Joint JR1
JR2 --
Support=[ 1 1
1 1
4 1
1 1 ];
%****Joint
Load-------------
%****---Joint FX
FY --
JL=[ 5
0 -300
6
0 -200
7
247.458 -247.458 ];
%****Element Load Data----------------
AML=[ 1
0 0 0
0];
%****Call function for
analysis trs2d 2d--------------------
[dof,index,coord,element]=TRUSS2D_sdata(prop,element,coord,type);
[S,Sm,SmS,Cx,Cy,RT,L,A,Joint,Xj,Xk,Yj,Yk]=...
TRUSS2D_stiff(prop,element,coord,index,nfile);
[IR,IF,Support]=TRUSS2D_ldata(Support,dof);
[DF,AR,AM]=TRUSS2D_analysis_result...
(element,dof,index,IF,IR,S,Sm,JL,AML,RT,Support,type,nfile);
[joint_disp,support_reaction,beam_endforces]=TRUSS2D_print_result...
(JL,AML,dof,Support,element,IF,IR,DF,AR,AM,type,nfile);
%****end
data------------------------------------------------
TRUSS2D_xplot;
%-------------------
2. OUTPUT
DAN CEK
STIFFNESS MATRIX METHOD : PROGRAM TRUSS2D
File Name : SOAL2 R. BATANG_2.txt
Joint Loads :
Joint
Fx Fy
5 0.000 -300.000
6 0.000 -200.000
7 247.458 -247.458
Member Loads :
Member
Fx1 Fy1 Fx2 Fy2
1 0.000 0.000 0.000 0.000
Support Restraints :
Joint
Rx Ry
1 1 1
1 4 1
1 1
Joint Displacements :
Joint
Dx Dy
1 0.0000e+000 0.0000e+000
2 -4.0066e-005 -9.8792e-005
3 -4.6940e-005 -2.3324e-004
4 0.0000e+000 0.0000e+000
5 2.6177e-005 -1.0713e-004
6 5.2354e-005 -2.2637e-004
7 6.6102e-005 -3.6572e-004
Support Reactions :
Joint
Rx Ry
1 1.4424e+003 0.0000e+000
4 -1.6898e+003 7.4746e+002
Member End Forces (axial/normal):
Member
axial force : + tension - compression
1 -1442.374
2 -247.458
3 1057.065
4 -300.000
5 -632.801
6 247.458
7 -349.958
8 942.374
9 942.374
10 494.916
<<< end of file >>>
CEK
KESEIMBANGAN
Support Reactions :
Joint
Rx Ry
1 1.4424e+003 0.0000e+000
4 -1.6898e+003 7.4746e+002
ϵFX
= 0
(1442.4 – 1689.8) + 247.4 = 0 (OKE)
(1442.4 – 1689.8) + 247.4 = 0 (OKE)
ϵFY
= 0
747.4
- ( 300 + 200 + 247.4 ) = 0 (OKE)
FREE
BODY DIAGRAM
1
GAMBAR BIDANG NORMAL
Boleh saya minta file matlab nya untuk pengerjaan soal ini? Terima kasih. Mohon hubungi saya di oktavianywidyawaty@ymail.com
ReplyDeleteBoleh saya minta file matlab nya untuk pengerjaan soal ini? Terima kasih. Mohon hubungi saya di oktavianywidyawaty@ymail.com
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