Vibration absorber
7 1)
.
Undamped vibration alsober
Crider machine
samp . Which suffer from resonance card
↳
if neither excitation
freq .
Mor
System eigenfreq .
Con be altered
=> Vibration abarber
might solvs the
problem !
beal addition alsobe main
↳
of spring-man-damper syst =
Energy system
_
_
wint =
main system In
A (w) s
alarar
品品 "
Coorroat =nwt =
vilratim ↳p no
* undamped alsaber damping , amplif (A) -- x
9
=
1
能州僑 )
- 1)
→
_
enga
Ma
Jaws .
spring-mass
ska , mal
compound system
When
~ We are interested in
long
term beh .
system is excited with a harmonic load :
fit to sim
=
we
^
mc2+ k
-e
+ ka
=>
freq Respons
.
motic = 611 =
(Mr + k =
) .
Ka Ba
1
?
Ba-Mal
1
ka
6 ljw ) 1
= Ba k Ka-mwL
+
I
↳
det /k MW2) -
= (k ka mwh/ka mawh BG
+ - - -
= mma wa WhRam Mak Bal) -
+ + +
—
( 以 ()
=
mmo
-
= introduce some dimensimless param
'
。
wnEV; We EV; N #
支μ
, >
- Rewrite I DA/W4
=
=
/W" -
(We We wall w waw)
+ + +
= lot- will I wa Will -
power w
↳ ?
Compound System - > 2
eigenfreg. We and Wa result
from s = 0
Hotel stWRI = -
powd wit to and swe =- pur =
=> whewawae wa
ka-Maw foeirWat.
{
&
behaviour be written
=>
of both qp and
g
con as :
R
9 = es1w6 formnt =wasetwas fo im we
=Vme
sif w war
=
=
↳ vil
of main
syst disappears
.
=
q
= 0 =
fit) in concelled
by counteraction
of auilliary system .
=
q
=
- ein wo
daubock
go trough
to
↳ You need
first resonance ?
Add dampen ·
=
anti-resonance created
a main
syst
.
Wr
7 1)
.
Undamped vibration alsober
Crider machine
samp . Which suffer from resonance card
↳
if neither excitation
freq .
Mor
System eigenfreq .
Con be altered
=> Vibration abarber
might solvs the
problem !
beal addition alsobe main
↳
of spring-man-damper syst =
Energy system
_
_
wint =
main system In
A (w) s
alarar
品品 "
Coorroat =nwt =
vilratim ↳p no
* undamped alsaber damping , amplif (A) -- x
9
=
1
能州僑 )
- 1)
→
_
enga
Ma
Jaws .
spring-mass
ska , mal
compound system
When
~ We are interested in
long
term beh .
system is excited with a harmonic load :
fit to sim
=
we
^
mc2+ k
-e
+ ka
=>
freq Respons
.
motic = 611 =
(Mr + k =
) .
Ka Ba
1
?
Ba-Mal
1
ka
6 ljw ) 1
= Ba k Ka-mwL
+
I
↳
det /k MW2) -
= (k ka mwh/ka mawh BG
+ - - -
= mma wa WhRam Mak Bal) -
+ + +
—
( 以 ()
=
mmo
-
= introduce some dimensimless param
'
。
wnEV; We EV; N #
支μ
, >
- Rewrite I DA/W4
=
=
/W" -
(We We wall w waw)
+ + +
= lot- will I wa Will -
power w
↳ ?
Compound System - > 2
eigenfreg. We and Wa result
from s = 0
Hotel stWRI = -
powd wit to and swe =- pur =
=> whewawae wa
ka-Maw foeirWat.
{
&
behaviour be written
=>
of both qp and
g
con as :
R
9 = es1w6 formnt =wasetwas fo im we
=Vme
sif w war
=
=
↳ vil
of main
syst disappears
.
=
q
= 0 =
fit) in concelled
by counteraction
of auilliary system .
=
q
=
- ein wo
daubock
go trough
to
↳ You need
first resonance ?
Add dampen ·
=
anti-resonance created
a main
syst
.
Wr
