CN103116683A - Superposition computing method for deformation of absorber annular valve sheet under unevenly distributed pressure - Google Patents

Superposition computing method for deformation of absorber annular valve sheet under unevenly distributed pressure Download PDF

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CN103116683A
CN103116683A CN2013100821282A CN201310082128A CN103116683A CN 103116683 A CN103116683 A CN 103116683A CN 2013100821282 A CN2013100821282 A CN 2013100821282A CN 201310082128 A CN201310082128 A CN 201310082128A CN 103116683 A CN103116683 A CN 103116683A
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valve block
radius
annular valve
distributed pressure
deformation
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周长城
赵雷雷
许英姿
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Shandong University of Technology
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Shandong University of Technology
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Abstract

The invention relates to a superposition computing method for deformation of an absorber annular valve sheet under unevenly distributed pressure, and belongs to the technical field of hydraulic absorbers. A deformation computing method of an emulational valve sheet which meets design and characteristics of an absorber is not put forward at home and abroad. The superposition computing method for deformation of the absorber annular valve sheet under unevenly distributed pressure aims to provide the deformation computing method which is close to the annular valve sheet practical pressure of the absorber and is characterized in that according to the valve sheet thickness h and the maximum even distribution pressure p0, the superposition deformation coefficient Gr (Gr is equal to Gr2 deducted by Gr1) of the deformation coefficient Gr1 and the deformation coefficient Gr2 at any position of radius r under evenly distributed pressure or linear unevenly distributed pressure, the deformation of the absorber annular valve sheet at any position of radius under unevenly distributed pressure is computed. The ANSYS emulation proof result proves that the method is accurate and reliable, so that accurate computing method for deformation of the absorber annular valve sheet under unevenly distributed pressure is provided for creating an accurate absorber design and character emulation model.

Description

The Superposition Calculation Method that vibration damper annular valve block is out of shape under non-uniform distributed pressure
Technical field
The present invention relates to hydraulic buffer, particularly the Superposition Calculation Method that is out of shape of vibration damper annular valve block under non-uniform distributed pressure.
Background technology
The annular valve block of rebuilt valve and compression valve is the precision element of the most key property in vibration damper, valve block distortion in the valve port radial location has material impact to the resistance of shock absorber characteristic, therefore, can realize the accurate Calculation to the valve block distortion, determining to set up accurate shock absorber valve parameter designing and vibration-damper characterist simulation mathematical model, obtain vibration damper throttling valve parameter designing value and device characteristic Simulation value accurately, and determining really to realize modernization CAD design and the computer property emulation of vehicle shock absorber.Existence due to vibration damper throttle hole and throttle chink, the actual suffered pressure of vibration damper annular valve block is not uniform, and actual right and wrong are uniform, although a lot of scholars in home and abroad have carried out large quantity research to this, distortion is calculated and is not also provided so far accurate Analysis calculating formula or the computing method that can satisfy absorber designing and characteristic Simulation for the annular of the vibration damper under non-uniform distributed pressure valve block.Mostly to utilize finite element emulation software at present both at home and abroad, vibration damper under setting pressure annular valve block is carried out numerical simulation by setting up solid model, although can obtain reliable numerical solution, can not provide the requirement of satisfying the accurate design of shock absorber valve parameter and characteristic Simulation.China has obtained important breakthrough in the research aspect vibration damper annular valve block distortion calculating, can the distortion accurate Analysis under well-distributed pressure calculate annular valve block, but because vibration damper annular valve block pressure is non-uniform, therefore, set up accurate absorber designing and characteristic Simulation mathematical model, must solve the distortion accurate Calculation problem of vibration damper annular valve block under non-uniform distributed pressure.along with the fast development of auto industry and improving constantly of Vehicle Speed, absorber designing is had higher requirement, realize vibration damper modernization CAD design and property calculation emulation, must set up the Method for Calculating Deformation of a kind of accurate vibration damper annular valve block under non-uniform distributed pressure, satisfy the requirement of absorber designing and characteristic Simulation Accurate Model, make the Parameters of Dampers design load more accurate, the characteristic Simulation value is more reliable, reduce design and testing expenses, improve absorber designing level and properties of product, satisfy the requirement that the Vehicle Driving Cycle ride comfort improves constantly vibration-damper characterist.
Summary of the invention
For the defective that exists in above-mentioned prior art, technical matters to be solved by this invention is to provide the Superposition Calculation Method that a kind of accurate, reliable vibration damper annular valve block is out of shape under non-uniform distributed pressure, and its calculation process as shown in Figure 1.
In order to solve the problems of the technologies described above, the Superposition Calculation Method that vibration damper annular valve block provided by the present invention is out of shape under non-uniform distributed pressure, wherein, the mechanical model of annular valve block under non-uniform distributed pressure as shown in Figure 2, can be equivalent to mechanical model such as Fig. 3 of well-distributed pressure, with the stack of mechanical model such as Fig. 4 of linear non-uniform distributed pressure, the concrete steps that its technical scheme is implemented are as follows:
(1) determine that valve block under well-distributed pressure is at any radius rPlace's deformation coefficient G r1
Interior garden radius according to annular valve block
Figure 2013100821282100002DEST_PATH_IMAGE002
, outer garden radius
Figure 2013100821282100002DEST_PATH_IMAGE004
, elastic modulus E, Poisson ratio μ, determine the annular valve block meaning radius in office under the well-distributed pressure independent role r( ) deformation coefficient located G r1 , that is:
Figure 2013100821282100002DEST_PATH_IMAGE008
；
In formula, , ,
Figure 2013100821282100002DEST_PATH_IMAGE014
, ,
Figure 2013100821282100002DEST_PATH_IMAGE018
，
Figure 2013100821282100002DEST_PATH_IMAGE020
，
Figure 2013100821282100002DEST_PATH_IMAGE022
， ，
Figure 2013100821282100002DEST_PATH_IMAGE026
，
Figure 2013100821282100002DEST_PATH_IMAGE028
，
Figure 2013100821282100002DEST_PATH_IMAGE030
，
Figure 2013100821282100002DEST_PATH_IMAGE032
；
(2) determine that valve block under linear non-uniform distributed pressure is at any radius rThe deformation coefficient at place G r2
Interior garden radius according to annular valve block , outer garden radius
Figure 129051DEST_PATH_IMAGE004
, the valve port radius r k, elastic modulus EAnd Poisson ratio μ, determine the annular valve block meaning radius in office under linear non-uniform distributed pressure independent role r(
Figure 502263DEST_PATH_IMAGE006
) deformation coefficient located G r2 , that is:
Figure 2013100821282100002DEST_PATH_IMAGE034
；
In formula,
Figure 2013100821282100002DEST_PATH_IMAGE036
Figure 2013100821282100002DEST_PATH_IMAGE038
Figure 2013100821282100002DEST_PATH_IMAGE040
，
Figure 2013100821282100002DEST_PATH_IMAGE042
，
Figure 2013100821282100002DEST_PATH_IMAGE044
Figure 2013100821282100002DEST_PATH_IMAGE046
Figure 2013100821282100002DEST_PATH_IMAGE050
Figure 2013100821282100002DEST_PATH_IMAGE052
Figure 2013100821282100002DEST_PATH_IMAGE054
Figure 2013100821282100002DEST_PATH_IMAGE056
Figure 2013100821282100002DEST_PATH_IMAGE058
Figure 2013100821282100002DEST_PATH_IMAGE060
，
Figure 2013100821282100002DEST_PATH_IMAGE064
Figure 2013100821282100002DEST_PATH_IMAGE066
Figure 2013100821282100002DEST_PATH_IMAGE068
，
Figure 2013100821282100002DEST_PATH_IMAGE070
，
Figure 2013100821282100002DEST_PATH_IMAGE072
Figure 2013100821282100002DEST_PATH_IMAGE074
Figure 2013100821282100002DEST_PATH_IMAGE076
Figure 2013100821282100002DEST_PATH_IMAGE078
，
Figure 2013100821282100002DEST_PATH_IMAGE080
Figure 2013100821282100002DEST_PATH_IMAGE082
Figure 2013100821282100002DEST_PATH_IMAGE084
Figure 2013100821282100002DEST_PATH_IMAGE086
Figure 2013100821282100002DEST_PATH_IMAGE088
Figure 2013100821282100002DEST_PATH_IMAGE090
Figure 2013100821282100002DEST_PATH_IMAGE094
Figure 2013100821282100002DEST_PATH_IMAGE096
，
，
Figure 2013100821282100002DEST_PATH_IMAGE098
；
(3) determine that valve block is at any radius rThe Superposed Deformation coefficient at place G r Calculate:
According in step (1) G r1 And in step (2) G r2 , determine annular valve block meaning radius in office r(
Figure 2013100821282100002DEST_PATH_IMAGE100
) total Superposed Deformation coefficient of locating G r , namely
Figure 2013100821282100002DEST_PATH_IMAGE102
；
(4) vibration damper annular valve block is at any radius rThe Superposed Deformation at place f r Calculate:
Thickness according to annular valve block h, non-uniform distributed pressure
Figure 2013100821282100002DEST_PATH_IMAGE104
Maximum pressure value p 0, and in step (3) G r , to vibration damper annular valve block at radius rTotal Superposed Deformation at place f r Calculate, namely
Figure 2013100821282100002DEST_PATH_IMAGE106
。
The present invention has advantages of than prior art:
Because actual vibration damper annular throttle valve plate pressure is non-uniform, annular valve block Method for Calculating Deformation under previous relevant well-distributed pressure, calculate valve block larger with actual deflection difference at the deflection of valve port radial location, therefore, the absorber designing of setting up and characteristic Simulation model are accurate not, and parameter designing value and characteristic Simulation value are reliable not enough.For the distortion of vibration damper annular valve block under non-uniform distributed pressure, the inside and outside equal nothing of predecessor State provides accurate, the reliable computing method that can be used for absorber designing and characteristic Simulation, mostly to utilize finite element emulation software, valve block under setting pressure is carried out by setting up solid model the numerical solution that numerical simulation obtains being similar to, but the method for finite element modeling emulation can not provide analytical formula and the computing method of the annular valve block distortion of satisfying absorber designing and characteristic Simulation Accurate Model.The Superposition Calculation Method that the vibration damper annular valve block that the present invention sets up is out of shape under non-uniform distributed pressure, with vibration damper annular valve block non-uniform distributed pressure mechanical model, see the stack of well-distributed pressure mechanical model and reverse linear non-uniform distributed pressure mechanical model as, utilize the annular valve block meaning radius in office under well-distributed pressure rThe deformation coefficient of position G r1 , and the annular valve block meaning radius in office under the reverse linear non-uniform distributed pressure rThe deformation coefficient of position G r2 , stack obtains the Superposed Deformation coefficient of annular valve block under non-uniform distributed pressure G r ( G r = G r2 - G r1 ), thereby the stack accurate Calculation that realization is out of shape under non-uniform distributed pressure vibration damper annular valve block.By with the ANSYS simulation results more as can be known, the Superposition Calculation Method that the vibration damper annular valve block of setting up is out of shape under non-uniform distributed pressure accurately, reliably, for set up accurate absorber designing and characteristic Simulation model, the computing method that provide accurate annular valve block to be out of shape under non-uniform distributed pressure.
Be further described below in conjunction with accompanying drawing in order to understand better the present invention.
Fig. 1 is the Superposition Calculation Method process flow diagram that vibration damper annular valve block is out of shape under non-uniform distributed pressure;
Fig. 2 is the mechanical model of vibration damper annular valve block non-uniform distributed pressure;
Fig. 3 is annular valve block well-distributed pressure mechanical model;
Fig. 4 is the reverse linear non-uniform distributed pressure mechanical model that applies on annular valve block;
Fig. 5 is the deformation coefficient of vibration damper annular valve block under well-distributed pressure of embodiment G r1
Fig. 6 is the deformation coefficient of vibration damper annular valve block under linear non-uniform distributed pressure of embodiment G r2
Fig. 7 is total Superposed Deformation coefficient of embodiment vibration damper annular valve block G r
Fig. 8 is that embodiment vibration damper annular valve block exists p 0Distortion under=3.0MPa f r With radius rChange curve;
Fig. 9 is that embodiment vibration damper annular valve block is at different valve port radiuses r kDistortion in situation f r With radius rChange curve;
Figure 10 is that embodiment vibration damper annular valve block is at the valve port radius The distortion at place f rk With maximum non-uniform distributed pressure p 0Change curve;
Figure 11 is that embodiment vibration damper annular valve block is at exradius r bThe maximum distortion at place f rb With maximum non-uniform distributed pressure p 0Change curve;
Figure 12 is that embodiment vibration damper annular valve block is at maximum non-uniform distributed pressure p 0Distortion ANSYS emulation cloud atlas under=3.0MPa.
Specific embodiments
Below by embodiment, the present invention is described in further detail.
Embodiment:The thickness of certain vibration damper annular valve block h=0.3mm, interior garden radius
Figure 374554DEST_PATH_IMAGE002
=5.0mm, outer garden radius
Figure 782402DEST_PATH_IMAGE004
=8.5mm, the valve port radius r k=8.0mm, elastic modulus E=2.0
Figure 2013100821282100002DEST_PATH_IMAGE110
And Poisson ratio μ=0.3; Maximum non-uniform distributed pressure p 0=3.0MPa, wherein, in the interval
Figure 2013100821282100002DEST_PATH_IMAGE112
The pressure that distributes p 0=3.0MPa,
Figure 2013100821282100002DEST_PATH_IMAGE114
The interval pressure that distributes p= MPa.
The computing method of vibration damper that example of the present invention provides annular valve block distortion, calculation process as shown in Figure 1, concrete steps are as follows:
(1) determine that valve block under well-distributed pressure is at any radius rPlace's deformation coefficient G r1 :
Interior garden radius according to annular valve block
Figure 198339DEST_PATH_IMAGE002
=5.0mm, outer garden radius
Figure 58848DEST_PATH_IMAGE004
=8.5mm, elastic modulus E=2.0
Figure 726590DEST_PATH_IMAGE110
And Poisson ratio μ=0.3, the valve block under the calculating well-distributed pressure is at any radius r(
Figure 2013100821282100002DEST_PATH_IMAGE118
) deformation coefficient located G r1 , that is:
Figure 2013100821282100002DEST_PATH_IMAGE120
；
In formula,
Figure 2013100821282100002DEST_PATH_IMAGE122
,
Figure 2013100821282100002DEST_PATH_IMAGE124
,
Figure 2013100821282100002DEST_PATH_IMAGE126
,
Figure 2013100821282100002DEST_PATH_IMAGE128
=
Figure 2013100821282100002DEST_PATH_IMAGE130
；
Figure 644736DEST_PATH_IMAGE018
=，
Figure 231575DEST_PATH_IMAGE020
， ， ，
Figure 777460DEST_PATH_IMAGE026
，
Figure 800780DEST_PATH_IMAGE028
，
Figure 511247DEST_PATH_IMAGE030
，
Figure 379846DEST_PATH_IMAGE032
；
Calculate deformation coefficient G r1 With radius r(
Figure 492158DEST_PATH_IMAGE006
) change curve, as shown in Figure 5;
(2) determine that valve block under linear non-uniform distributed pressure is at any radius rPlace's deformation coefficient G r2
Interior garden radius according to annular valve block
Figure 420800DEST_PATH_IMAGE002
=5.0mm, outer garden radius
Figure 618563DEST_PATH_IMAGE004
=8.5mm, elastic modulus E=2.0
Figure 290853DEST_PATH_IMAGE110
, Poisson ratio μ=0.3, the initiation position radius of non-uniform distributed pressure r k=8.0mm determines that valve block under linear non-uniform distributed pressure is at any radius r( ) deformation coefficient located G r2 , that is:
Figure 2013100821282100002DEST_PATH_IMAGE132
；
In formula,
Figure DEST_PATH_IMAGE134
,
Figure DEST_PATH_IMAGE136
,
Figure DEST_PATH_IMAGE138
,
Figure DEST_PATH_IMAGE140
Figure DEST_PATH_IMAGE142
， ，
Figure DEST_PATH_IMAGE146
，
Figure DEST_PATH_IMAGE148
；
Calculate valve block under linear non-uniform distributed pressure at any radius rPlace's deformation coefficient G r2 With radius r( ) change curve, as shown in Figure 6;
(3) valve block is at any radius rThe Superposed Deformation coefficient at place G r Calculate:
According in step (1) G r1 And in step (2) G r2 , get valve block at any radius by superposition rTotal Superposed Deformation coefficient at place G r With radius r(
Figure 365577DEST_PATH_IMAGE006
) change curve, as shown in Figure 7; Wherein, at the valve port radius
Figure 841558DEST_PATH_IMAGE108
The deformation coefficient at place G rk =
Figure DEST_PATH_IMAGE150
m 6, at exradius
Figure 256359DEST_PATH_IMAGE004
The deformation coefficient at place G rb = m 6
(4) valve block is at any radius rThe Superposed Deformation at place f r Calculate:
ⅰ) valve block is at any radius rThe distortion at place is calculated
Thickness according to valve block h=0.3mm, r a=5.0mm, r b=8.5mm, r k=8.0mm is in the interval Distribution pressure p 0=3.0MPa is in the interval The pressure of distribution p=
Figure DEST_PATH_IMAGE156
MPa, and the total Superposed Deformation coefficient in step (3) G r , to vibration damper annular valve block at any radius rThe distortion at place
Figure DEST_PATH_IMAGE158
Calculate, namely
Figure 823792DEST_PATH_IMAGE106
;
Calculate resulting vibration damper annular valve block deformation curve, as shown in Figure 8;
ⅱ) distortion of the valve block in different pressures distributed area situation is calculated:
Thickness according to annular valve block h=0.3mm, r a=5.0mm, r b=8.5mm is in the interval
Figure 713251DEST_PATH_IMAGE112
Distribution pressure p 0=3.0MPa is in the interval
Figure 779296DEST_PATH_IMAGE154
Pressure p=
Figure 361587DEST_PATH_IMAGE116
MPa is when the valve port radius r k Be respectively r k =7.0mm, r k =7.5mm and r k =8.0mm utilizes the total Superposed Deformation coefficient in step (3) G r , to vibration damper annular valve block at radius rThe distortion at place Calculate, at different valve port radiuses r kThe resulting vibration damper annular of lower calculating valve block deformation curve, as shown in Figure 9;
ⅲ) under the different pressures vibration damper annular valve block at the valve port radius
Figure 573442DEST_PATH_IMAGE108
The distortion at place is calculated:
Thickness according to annular valve block h=0.3mm, and step (3) at the valve port radius
Figure 228415DEST_PATH_IMAGE108
The deformation coefficient at=8.0mm place G rk =
Figure 575082DEST_PATH_IMAGE150
m 6, work as pressure p 0=1.0MPa, p 0=2.0MPa and p 0=3.0MPa, to vibration damper annular valve block at the valve port radius
Figure 987609DEST_PATH_IMAGE108
The distortion at place is calculated, and is respectively
Figure DEST_PATH_IMAGE160
,
Figure DEST_PATH_IMAGE162
,
Figure DEST_PATH_IMAGE164
, wherein, at the valve port radius
Figure 140242DEST_PATH_IMAGE108
The distortion of the annular valve block at place is with the change curve of pressure, as shown in figure 10;
ⅳ) annular valve block radius of circle outside under the different pressures
Figure 790666DEST_PATH_IMAGE004
The maximum distortion at place calculates
Thickness according to annular valve block h=0.3mm, and step (3) at exradius The deformation coefficient at=8.5mm place G rb = m 6, work as pressure p 0=1.0MPa, p 0=2.0MPa and p 0=3.0MPa, to vibration damper annular valve block at exradius
Figure 102065DEST_PATH_IMAGE004
The maximum distortion at place calculates, and is respectively
Figure DEST_PATH_IMAGE166
, ,
Figure DEST_PATH_IMAGE170
, wherein, at exradius
Figure 528367DEST_PATH_IMAGE004
The maximum distortion of the annular valve block at place is with the change curve of pressure, as shown in figure 11.
Interior radius of circle according to vibration damper annular valve block r a=5.0mm, exradius r b=8.5mm, thickness h=0.3mm, elastic model E=200GPa, Poisson ratio μ=0.3, utilize ANSYS to set up realistic model, the grid dividing unit is 0.1mm, in the interval
Figure 951258DEST_PATH_IMAGE112
Distribution pressure p 0=3.0MPa is in the interval The pressure of distribution p=
Figure 770495DEST_PATH_IMAGE156
MPa, the deformation simulation cloud atlas of the resulting vibration damper annular of emulation valve block, as shown in figure 12.
As shown in Figure 12, vibration damper annular valve block maximum distortion simulation value is 0.101281mm, and utilize the deviation between the resulting 0.101257mm of these computing method to be 0.000024mm, relative deviation is only 0.023696%, show that the Superposition Calculation Method that vibration damper annular valve block that the present invention sets up is out of shape is accurate under non-uniform distributed pressure, for setting up accurate vibration damper throttling valve parameter designing and characteristic Simulation mathematical model, provide the Method for Calculating Deformation of the valve block under reliable non-uniform distributed pressure.

Claims (3)

1. the Superposition Calculation Method that is out of shape under non-uniform distributed pressure of vibration damper annular valve block, its concrete steps are as follows:
(1) determine that valve block under well-distributed pressure is at any radius r Place's deformation coefficient G r1 :
Interior garden radius according to annular valve block
Figure 2013100821282100001DEST_PATH_IMAGE001
, outer garden radius
Figure 724101DEST_PATH_IMAGE002
, elastic modulus E, Poisson ratio μ, determine the annular valve block meaning radius in office under the well-distributed pressure independent role r(
Figure 2013100821282100001DEST_PATH_IMAGE003
) deformation coefficient located G r1 , that is:
Figure 882550DEST_PATH_IMAGE004
；
In formula, ,
Figure 656471DEST_PATH_IMAGE006
,
Figure 2013100821282100001DEST_PATH_IMAGE007
, ,
Figure 2013100821282100001DEST_PATH_IMAGE009
， ，
Figure 2013100821282100001DEST_PATH_IMAGE011
，
Figure 442613DEST_PATH_IMAGE012
，
Figure 2013100821282100001DEST_PATH_IMAGE013
，
Figure 754646DEST_PATH_IMAGE014
，
Figure 2013100821282100001DEST_PATH_IMAGE015
，
Figure 802236DEST_PATH_IMAGE016
；
(2) determine that valve block under linear non-uniform distributed pressure is at any radius r The deformation coefficient at place G r2 :
Interior garden radius according to annular valve block
Figure 580836DEST_PATH_IMAGE001
, outer garden radius , the valve port radius r k, elastic modulus EAnd Poisson ratio μ, determine the annular valve block meaning radius in office under linear non-uniform distributed pressure independent role r(
Figure 767284DEST_PATH_IMAGE003
) deformation coefficient located G r2 , that is:
Figure 2013100821282100001DEST_PATH_IMAGE017
；
In formula,
Figure 669381DEST_PATH_IMAGE018
Figure 2013100821282100001DEST_PATH_IMAGE019
Figure 805833DEST_PATH_IMAGE020
，
，
Figure 567116DEST_PATH_IMAGE022
Figure 2013100821282100001DEST_PATH_IMAGE023
Figure 80006DEST_PATH_IMAGE024
Figure 836609DEST_PATH_IMAGE026
Figure 2013100821282100001DEST_PATH_IMAGE027
Figure 550487DEST_PATH_IMAGE028
Figure 658120DEST_PATH_IMAGE030
Figure 2013100821282100001DEST_PATH_IMAGE031
，
Figure 115647DEST_PATH_IMAGE032
Figure 2013100821282100001DEST_PATH_IMAGE033
Figure 726757DEST_PATH_IMAGE034
，
Figure 2013100821282100001DEST_PATH_IMAGE035
，
Figure 877115DEST_PATH_IMAGE036
Figure 2013100821282100001DEST_PATH_IMAGE037
Figure 206465DEST_PATH_IMAGE038
Figure 2013100821282100001DEST_PATH_IMAGE039
，
Figure 936524DEST_PATH_IMAGE040
Figure 2013100821282100001DEST_PATH_IMAGE041
Figure 933299DEST_PATH_IMAGE042
Figure 2013100821282100001DEST_PATH_IMAGE043
Figure 254559DEST_PATH_IMAGE044
Figure 2013100821282100001DEST_PATH_IMAGE045
Figure 2013100821282100001DEST_PATH_IMAGE047
Figure 870534DEST_PATH_IMAGE048
，
，
Figure 2013100821282100001DEST_PATH_IMAGE049
；
(3) determine that valve block is at any radius r The Superposed Deformation coefficient at place G r Calculate:
According in step (1) G r1 And in step (2) G r2 , determine annular valve block meaning radius in office r(
Figure 456236DEST_PATH_IMAGE050
) total Superposed Deformation coefficient of locating G r , namely
Figure 2013100821282100001DEST_PATH_IMAGE051
；
(4) vibration damper annular valve block is at any radius r The Superposed Deformation at place f r Calculate:
According to annular throttle slice thickness h, non-uniform distributed pressure
Figure 948397DEST_PATH_IMAGE052
Maximum pressure value p 0, and in step (3) G r , to vibration damper annular valve block at radius rTotal Superposed Deformation at place f r Calculate, namely
Figure 2013100821282100001DEST_PATH_IMAGE053
。
2. the step (3) in method according to claim 1, is characterized in that: according to the annular valve block deformation coefficient under the well-distributed pressure in step (2) G r1 And the deformation coefficient under the total linear non-uniform distributed pressure of step (2) G r2 , obtaining by superposition, vibration damper annular valve block reality is under non-uniform distributed pressure, at any radius r(
Figure 986760DEST_PATH_IMAGE050
) total Superposed Deformation coefficient of locating G r
3. the step (4) in method according to claim 1, is characterized in that: according to annular throttle slice thickness h, the Superposed Deformation coefficient under non-uniform distributed pressure G r , maximum non-uniform distributed pressure p 0, utilize
Figure 996305DEST_PATH_IMAGE053
To valve block to vibration damper annular valve block under non-uniform distributed pressure at any radius rThe distortion at place
Figure 233251DEST_PATH_IMAGE054
Carry out accurate Calculation.
CN2013100821282A 2013-03-15 2013-03-15 Superposition computing method for deformation of absorber annular valve sheet under unevenly distributed pressure Pending CN103116683A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103246789A (en) * 2013-05-31 2013-08-14 山东理工大学 Computing method of deformation of annular sandwich valve plates of vibration absorber under non-uniform pressure
CN103294919A (en) * 2013-05-31 2013-09-11 山东理工大学 Method for calculating radial stress of annular superposed valve slices of shock absorber under nonuniform pressure
CN103632011A (en) * 2013-12-18 2014-03-12 山东理工大学 Method for calculating deformation of valve plate of shock absorber under arbitrary axisymmetric and non-uniform pressure
CN103678945A (en) * 2014-01-02 2014-03-26 山东理工大学 Method for calculating deformation of non-equal structure superposed valve plates of vehicle shock absorber
CN111259591A (en) * 2020-01-20 2020-06-09 辽宁工业大学 Finite element-based method for analyzing valve plate of electromagnetic valve control damping adjustable shock absorber

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7028817B1 (en) * 2005-06-17 2006-04-18 Randall Charles Anderson Pressure adjustable shock and method

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7028817B1 (en) * 2005-06-17 2006-04-18 Randall Charles Anderson Pressure adjustable shock and method

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
周长城等: "《汽车筒式减振器分段线性特性的建模与仿真》", 《汽车工程》 *
周长城等: "《筒式减振器叠加节流阀片开度与特性试验》", 《机械工程学报》 *
李红艳等: "《非均布压力下的减振器节流阀片应力解析计算》", 《山东理工大学学报（自然科学版）》 *

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103246789A (en) * 2013-05-31 2013-08-14 山东理工大学 Computing method of deformation of annular sandwich valve plates of vibration absorber under non-uniform pressure
CN103294919A (en) * 2013-05-31 2013-09-11 山东理工大学 Method for calculating radial stress of annular superposed valve slices of shock absorber under nonuniform pressure
CN103294919B (en) * 2013-05-31 2016-03-02 山东理工大学 Vibration damper circular sandwich valve plate determines the method for radial stress under non-uniform distributed pressure
CN103632011A (en) * 2013-12-18 2014-03-12 山东理工大学 Method for calculating deformation of valve plate of shock absorber under arbitrary axisymmetric and non-uniform pressure
CN103632011B (en) * 2013-12-18 2017-03-15 山东理工大学 The computational methods of shock absorber valve block deformation arbitrarily under axial symmetry non-uniform distributed pressure
CN103678945A (en) * 2014-01-02 2014-03-26 山东理工大学 Method for calculating deformation of non-equal structure superposed valve plates of vehicle shock absorber
CN103678945B (en) * 2014-01-02 2016-06-15 山东理工大学 The non-defining method waiting the distortion of structure superposition valve block of a kind of vehicle vibration damping device
CN111259591A (en) * 2020-01-20 2020-06-09 辽宁工业大学 Finite element-based method for analyzing valve plate of electromagnetic valve control damping adjustable shock absorber

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Application publication date: 20130522