Ödev4

D
200 mm
400 mm
300 mm
y
A
C
B
ÖDEV NO 4.
A
P
5 mm
400 mm
B
3 mm
x
F2–1
Soru 1. Şekilde verilen
sistemde P kuvveti ABC rijit kolunun A mafsalı etrafında saat
o dönmesine
F2–2. yönünde
If the applied
P causes the
rigid arm
ABC togöre BD 300
0.02force
sebep
olduğuna
ve mm
CE halatlarında oluşan normal birim
rotate clockwise about pin A through an angle of 0.02°,
deformasyonları hesaplayınız.
determine the normal strain developed in wires BD and CE.
C
E
F2–4
The guy wire AB of a building frame is600
originally
mm
D
unstretched. Due to an earthquake,
the two columns of the
P
frame tilt u = 2°. Determine
the
approximate
normal
400 mm
strain in the wire when the frame is in this position.
Assume the columns are rigid and rotate about their lower
supports.A
F2–5. The square plate is deformed into the shape shown
C
B
35.5 in.,
2–10. The corners B and D of the square plate are given
by
the dashed line. Determine the average normal strain
600 mmindicated. Determine
600 mm
when it is
the displacements
the2!shear strains at
u " 2!
u"
along diagonal AC and the shear strain of point E with
A and
$ B.
respect to the x and y axes.
F2–2
2–11. The corners B and D of the square plate are given
F2–3. The rectangular plate is deformed into the shape of a
Soru
2. Şekildeki
levhanın
B the
ve average
D köşelerine
the displacements
indicated.
Determine
normal gösterilen deplasmanlar uygulanmıştır. (a) A ve
B
rhombus shown
by the dashed line. Determine the average
strains
along side AB andkayma
diagonalbirim
DB. deformasyonlarını hesaplayınız. (b) AB kenarı ve DB
B
noktalarındaki
shear strain at corner A with respect to the x and y axes.
ever
e of
rain
hed.
•2–25.
diyagonaliy boyunca ortalama normal birim deformasyonları hesaplayınız.
D
x
y
y
2 mm
3m
D
C
C
A
A
4m
1 m 400 mm
Prob. 2–25
A
E
16 mm
D
3 mm
300 mm
300 mm
B
B
x
4 mm
x
4 mm
A
3 mm
300 mm
B
3 mm
3 mm 16 mm
F2–5
F2–3
2–26. The material distorts into the dashed position
nsists of a shown. Determine (a) the average normal strains along
C
force is sides AC and CD and 16
themm
shear strain g16xymm
at F, and (b) the
the
to
rotate
average normal
strain
along
line
BE.
rain
$
he cable.
Probs.
2–10/11
2–27. The material distorts
into
the dashed position
shown. Determine
the
average
normal
that occurs
the
Soru 3. Şekildeki sistemdestrain
malzeme
deforme olarak kesikli çizgiyle gösterilmiş pozisyona
consists along the diagonals AD and CF.
*2–12.
The
piece
of
rubber
is
originally
rectangular.
gelmektedir.
(a)
AC
ve
CD
kenarları
boyunca
ortalama normal birim deformasyonları ve F
If a force
g
Determine
the
average
shear
strain
at
A
if
the
corners
B
xy
noktasındaki ɣxy değerini hesaplayınız. (b) AD ve CF diyagonallerinde ve BE çizgisi boyunca
causes a
and D are subjected to the displacements that cause the
etermine
ortalama
hesaplayınız.
rubber
to distortnormal
as shownbirim
by the deformasyonları
dashed lines.
cable is
y
the
P
•2–13.
The piece of rubber is originally rectangular and
15 mm
25 mm by the dashed lines.
subjected to the deformation
shown
D
C
Determine the average normal strain along the diagonal
10 mm
DB and side AD.
B
E
y
75 mm
90 mm
3 mm
C
$
D
A
80 mm
400 mm
x
F
Probs. 2–26/27
A
300 mm
Probs. 2–12/13
B
2 mm
x
$29

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