CN107748812A - A kind of honeycomb fashion anti-creep energy absorber collision simulation method and system - Google Patents
A kind of honeycomb fashion anti-creep energy absorber collision simulation method and system Download PDFInfo
- Publication number
- CN107748812A CN107748812A CN201710884125.9A CN201710884125A CN107748812A CN 107748812 A CN107748812 A CN 107748812A CN 201710884125 A CN201710884125 A CN 201710884125A CN 107748812 A CN107748812 A CN 107748812A
- Authority
- CN
- China
- Prior art keywords
- energy absorber
- honeycomb fashion
- creep energy
- creep
- geometrical model
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
- G06F30/23—Design optimisation, verification or simulation using finite element methods [FEM] or finite difference methods [FDM]
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
- G06T17/20—Finite element generation, e.g. wire-frame surface description, tesselation
Abstract
The invention discloses a kind of honeycomb fashion anti-creep energy absorber collision simulation method and system, apply in rail traffic vehicles energy absorbing component impact test, simulation modeling is carried out respectively using honeycomb fashion anti-creep energy absorber of the computer to chassis and on the chassis, collided for analog orbit vehicular traffic, simulation modeling process comprises the following steps：S1, foundation and processing geometrical model, geometrical model is established for the chassis and honeycomb fashion anti-creep energy absorber respectively；S2, mesh generation, mesh generation is carried out for the geometrical model；S3, feature configuration is carried out to the geometrical model；S4, control card is set, control parameter is set for modeling process.The honeycomb fashion anti-creep energy absorber collision simulation method can replace partial repeatability to test, and save design cost and cycle；By the way that analysis result is calculated, for instructing correlation test and being analyzed with test data；And laid the foundation for follow-up structure optimization finite element analysis.
Description
Technical field
The invention belongs to rolling stock field, specifically, is related to a kind of honeycomb fashion anti-creep energy absorber collision simulation method
And system.
Background technology
In recent years, the urban rail transit construction such as the high ferro in China and subway achieves great-leap-forward development, to national economy, life
Bring great convenience.Rail traffic vehicles can be caused due to large conveying quantity, high speed, its security incident that once collides simultaneously
Greatly harm.
Honeycomb fashion anti-creep energy absorber uses metal honeycomb material, has that density is small, rigidity is low, strong shock resistance and compression
The advantages that controllable is deformed, is preferable buffering energy-absorbing material.As a kind of typical rail traffic vehicles passive security energy-absorbing portion
Part, the energy during train collision, protection occupant's personal safety and reduction property loss can be effectively absorbed, is to arrange at a high speed
The important component of car passive security guard technology.Honeycomb fashion anti-creep energy absorber is mostly installed at head or the train of train
Between, a kind of important component of passive security protection is carried out to train and passenger in the case of train generation accident collision.
Need to carry out substantial amounts of impact test to improve the structural behaviour of honeycomb fashion anti-creep energy absorber device, to examine honeycomb fashion
The energy-absorbing effect of anti-creep energy absorber.Such experimentation can expend substantial amounts of human and material resources, cause R＆D cycle length, research and development
It is costly.Therefore in order to meet the design requirement of honeycomb fashion anti-creep energy absorber, can be carried out using the method for Computer Simulation
Related simulated experiment, that is, establish using emulation modelling method the geometrical model of honeycomb fashion anti-creep energy absorber, using having
Limit first simulation calculation to test instead of partial repeatability, the cost of design can be effectively saved, so as to improve rail traffic vehicles
Passive security performance.
In view of this it is special to propose the present invention.
The content of the invention
The technical problem to be solved in the present invention is overcome the deficiencies in the prior art, there is provided a kind of honeycomb fashion anti-creep energy absorber
Collision simulation method and system, the present invention can replace partial repeatability to test, save design cost and cycle；By calculating
Go out analysis result, for instructing correlation test and being analyzed with test data；It is and limited for follow-up structure optimization
Meta analysis lays the foundation.
In order to realize the purpose, the present invention adopts the following technical scheme that：
A kind of honeycomb fashion anti-creep energy absorber collision simulation method, apply in rail traffic vehicles energy absorbing component impact test,
Simulation modeling is carried out respectively using honeycomb fashion anti-creep energy absorber of the computer to chassis and on the chassis, for simulating
Rail traffic vehicles collide, and simulation modeling process comprises the following steps：
S1, foundation and processing geometrical model, geometrical model is established for the chassis and honeycomb fashion anti-creep energy absorber respectively；
S2, mesh generation, mesh generation is carried out for the geometrical model；
S3, feature configuration is carried out to the geometrical model；
S4, control card is set, control parameter is set for modeling process.
Further, the step S1 in addition to for the geometrical model carry out GTD model；The GTD model be by
The feature small to simulation result contribution amount is deleted in the geometrical model.
Further, in the step S2, the mesh generation carried out to geometrical model is built according to collision finite element
The division that mould knowledge and experiment experience are carried out；
Preferably, the cell type of each grid divides shell unit and hexahedral element.
Further, also the annexation of each several part in geometrical model is defined in the step S2；
Preferably, the annexation include conode, be rigidly connected, turning joint and binding contact.
Further, also comprise the following steps in the step S3：
S31, assign material and defined attribute；Specific material is assigned respectively for the geometrical model, and is defined several for characterizing
What model whether be entity attributes；
S32, contact relation is set, the contact that the contact relation is used to characterize rail traffic vehicles collision rift each several part is closed
System；
S33, operating loading is set.
Further, in the step S31, it is that the geometrical model of chassis assigns rigid material and/or elastic-plastic material, is
The geometrical model of honeycomb fashion anti-creep energy absorber assigns elastic-plastic material and/or cellular material.
Further, attribute described in the step S31 includes two kinds of housing and entity.
Further, in the step S4, control card include time step, and/or deadline, and/or hourglass and/
Or housing, and/or entity, and/or contact and/or output.
Further, when carrying out simulation modeling to chassis, after completing step S32, also need to carry out step S32 ', the step
S32 ' is the quality and barycenter for adjusting chassis.
A kind of honeycomb fashion anti-creep energy absorber collision simulation system, touched using any of the above-described described honeycomb fashion anti-creep energy absorber
Emulation mode is hit, the honeycomb fashion anti-creep energy absorber collision simulation system includes chassis simulation model and honeycomb fashion anti-creep energy absorber
Simulation model, the honeycomb fashion anti-creep energy absorber simulation model include：Installing plate, and/or gusset, and/or guide beam, and/or
Anti- climbing tooth, and/or outside jacket plates, and/or decorative panel, and/or anti-climbing tooth installing plate, and/or liner plate and/or honeycomb aluminum emulation mould
Type.
After adopting the above technical scheme, the present invention has the advantages that compared with prior art.
A kind of honeycomb fashion anti-creep energy absorber collision simulation method and system of the present invention, using computer respectively to chassis and
Establish geometrical model with honeycomb fashion anti-creep energy absorber, can according to the different performance of chassis and honeycomb fashion anti-creep energy absorber requirement come
Different geometrical models is established by different modeling procedure and method, established geometrical model is more pressed close to application real
Border, more can accurate simulation reality collision situation, reach expected impact simulation effect.In the build process of geometrical model according to
Accurately grid is divided according to collision finite element modeling knowledge and experiment experience, carried out sufficiently for follow-up finite element analysis
Prepare, and the specific requirement according to distinct device and characteristic accurately carry out feature configuration, so as to establish accurate complete chassis and
The simulation model of honeycomb fashion anti-creep energy absorber.
The present invention is also to the annexation of each several part in the geometrical model of chassis and honeycomb fashion anti-creep energy absorber, material
Material, contact relation and operating loading are explicitly defined, and reach the effect accurately emulated.It is provided with specifically for the process of modeling
Control card, to ensure the accuracy of modeling process.Adjustment is also add in modeling process for the particular/special requirement of chassis
The step of quality and barycenter of chassis.And for honeycomb fashion anti-creep energy absorber simulation model then according to the specific knot of its all parts
Structure, simulation model is established respectively.
The present invention can replace partial repeatability to test, and save design cost and cycle；By the way that analysis result is calculated,
For instructing correlation test and being analyzed with test data；And establish base for follow-up structure optimization finite element analysis
Plinth.
The embodiment of the present invention is described in further detail below in conjunction with the accompanying drawings.
Brief description of the drawings
A part of the accompanying drawing as the present invention, for providing further understanding of the invention, of the invention is schematic
Embodiment and its illustrate to be used to explain the present invention, but do not form inappropriate limitation of the present invention.Obviously, drawings in the following description
Only some embodiments, to those skilled in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.In the accompanying drawings：
Fig. 1 is the step that a kind of honeycomb fashion anti-creep energy absorber collision simulation method and system of the present invention are emulated to chassis
Rapid schematic diagram；
Fig. 2 is a kind of honeycomb fashion anti-creep energy absorber collision simulation method and system of the present invention to honeycomb fashion anti-creep energy absorber
The step schematic diagram emulated.
It should be noted that these accompanying drawings and word description are not intended as the design model limiting the invention in any way
Enclose, but be that those skilled in the art illustrate idea of the invention by reference to specific embodiment.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in embodiment is clearly and completely described, following examples be used for illustrate the present invention, but
It is not limited to the scope of the present invention.
It is term " on ", " under ", "front", "rear", "left", "right", " perpendicular in the description of the invention, it is necessary to explanation
Directly ", the orientation of the instruction such as " interior ", " outer " or position relationship are based on orientation shown in the drawings or position relationship, merely to just
In the description present invention and simplify description, rather than instruction or imply signified device or element must have specific orientation, with
Specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary.For this
For the those of ordinary skill in field, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
As illustrated in fig. 1 and 2, the invention discloses a kind of honeycomb fashion anti-creep energy absorber collision simulation method and system, application
In rail traffic vehicles energy absorbing component impact test, honeycomb fashion anti-creep of the computer to chassis and on the chassis is used
Energy absorber carries out simulation modeling respectively, is collided for analog orbit vehicular traffic, and simulation modeling process comprises the following steps：S1、
Geometrical model is established and handled, geometrical model is established respectively for the chassis and honeycomb fashion anti-creep energy absorber；S2, mesh generation,
Mesh generation is carried out for the geometrical model；S3, feature configuration is carried out to the geometrical model；S4, control card is set, to build
Mold process sets control parameter.The honeycomb fashion anti-creep energy absorber collision simulation method can replace partial repeatability to test, and save
Design cost and cycle；By the way that analysis result is calculated, for instructing correlation test and being carried out with test data to score
Analysis；And laid the foundation for follow-up structure optimization finite element analysis.
Embodiment 1
Such as Fig. 1 and Fig. 2, a kind of honeycomb fashion anti-creep energy absorber collision simulation method is disclosed in the present embodiment.This method should
Used in rail traffic vehicles energy absorbing component impact test, prevented using honeycomb fashion of the computer to chassis and on the chassis
Climb energy absorber and carry out simulation modeling respectively, collided for analog orbit vehicular traffic.The honeycomb fashion anti-creep energy absorber includes installation
Plate, gusset, guide beam, anti-climbing tooth, outside jacket plates, decorative panel, anti-climbing tooth installation version, liner plate and honeycomb aluminum.The honeycomb fashion anticreeper
Collision simulation modeling method, by finite element stimulation, realize malformation in rail traffic vehicles anticreeper collision process
The acquisition of the data informations such as pattern, impact force and energy absorption, laid the foundation for the optimization of follow-up anticreeper structural behaviour.
In the present embodiment, for chassis and its simulation modeling process of the two different equipment of honeycomb fashion anti-creep energy absorber from
All comprise the following steps on the whole：
S1, foundation and processing geometrical model, geometrical model is established for the chassis and honeycomb fashion anti-creep energy absorber respectively；
S2, mesh generation, mesh generation is carried out for the geometrical model；
S3, feature configuration is carried out to the geometrical model；
S4, control card is set, control parameter is set for modeling process.
Also include carrying out GTD model for the geometrical model in the step S1.In this process by step S1 institutes
The chassis or the 3-D geometric model of honeycomb fashion anti-creep energy absorber set up import finite element pre-processing software Hypermesh
In, necessary GTD model is carried out, facilitates subsequent meshes to divide.During GTD model by the geometrical model to emulation
The small feature of result of calculation contribution amount is deleted.Namely some should not feature delete, such as some unwanted faces, one
A little small chamferings and other griddings are not easy the small feature drawn, and the face that some are not closed is closed, and some are certainly
Fallen by side pressure, etc..Model after GTD model is in follow-up mesh generation, it is possible to when avoiding performing automatic division
Number of grid is more, and ropy problem.
In the step S2, to geometrical model carry out the mesh generation be according to collision finite element modeling knowledge and
The division that experiment experience is carried out, and the annexation of each several part in geometrical model is defined.In the present embodiment either
The cell type of each grid of chassis or anti-creep energy absorber is all divided into shell unit and hexahedral element.And according to its actual feelings
Condition, the annexation is designed as including conode, is rigidly connected, the form such as turning joint and binding contact.
For step S3, chassis model and honeycomb fashion anti-creep energy absorber have some difference, specific as follows：
As shown in Fig. 2 for honeycomb fashion anti-creep energy absorber, step S3 also comprises the following steps：
S31, assign material and defined attribute；Specific material is assigned respectively for the geometrical model, and is defined several for characterizing
What model whether be entity attributes；
S32, contact relation is set, the contact that the contact relation is used to characterize rail traffic vehicles collision rift each several part is closed
System；
S33, operating loading is set.
Because honeycomb fashion anti-creep energy absorber has a variety of parts, and it is each in order to reach optimal energy-absorbing effect
The material of part suffers from strict regulation and differentiation, and different combinations of materials can obtain different simulated effects, therefore described
It is that the geometrical model of honeycomb fashion anti-creep energy absorber assigns elastic-plastic material and/or cellular material in step S31.Anticreeper model
The main MATL26 material moulds that Hypermesh is used using elastic-plastic material Q235, Q345, Q450, SUS304 and cellular material
Type.Attribute described in step S31 includes two kinds of housing and entity
Contact relation is set in the step S32, and the contact relation is used to characterize each portion of rail traffic vehicles collision rift
The contact relation divided is included from contact, face contacts with face, face contacts with face binding, point is contacted with face binding and rigid wall contacts.
And for chassis, as shown in figure 1, in the modeling process of chassis, step S3 comprises the following steps：
S31, assign material and defined attribute；Specific material is assigned respectively for the geometrical model, and is defined several for characterizing
What model whether be entity attributes；
S32, contact relation is set, the contact that the contact relation is used to characterize rail traffic vehicles collision rift each several part is closed
System；
S32 ', the quality and barycenter for adjusting chassis；
S33, operating loading is set.
It is that the geometrical model of chassis assigns rigid material and/or elastic-plastic material in the step S31.Chassis model master
To use the MATL26 material models using rigid material Hypermesh, and elastic-plastic material Q450.Belong to described in step S31
Property includes two kinds of housing and entity.It is similar with anti-creep energy absorber, contact relation, the contact are set in the step S32
The contact relation that relation is used to characterize rail traffic vehicles collision rift each several part is included from contact, face is contacted with face, face and face are tied up
Fixed contact, point is contacted with face binding and rigid wall contacts.But the difference of the size and load due to chassis is for analysis result
Influence it is very big, therefore when carrying out simulation modeling to chassis, after completing step S32, also need to carry out step S32 ', the step
S32 ' is the quality and barycenter for adjusting chassis.
In the step S4, control card is set, control card include time step, and/or deadline, and/or hourglass,
And/or housing, and/or entity, and/or contact and/or output.
In the present embodiment, also simultaneously to track carry out simulation modeling, because the structure of track is relatively easy, thus using and
The identical step of above-mentioned chassis is modeled, and is repeated no more here.
Complete the above-mentioned modeling procedure in the present embodiment, it is possible to after checking and changing model, export calculation document, enter
Row simulation calculation.Optimization can be designed to honeycomb fashion anti-creep energy absorber model according to simulation result, it will also be appreciated that
Follow-up impact test and progress emulation experiment contrast etc..
Embodiment 2
The present embodiment discloses a kind of honeycomb fashion anti-creep energy absorber collision simulation system, using any described in above-described embodiment
Honeycomb fashion anti-creep energy absorber collision simulation method, the honeycomb fashion anti-creep energy absorber collision simulation system include chassis emulation mould
Type and honeycomb fashion anti-creep energy absorber simulation model.
The honeycomb fashion anti-creep energy absorber simulation model includes：Installing plate, and/or gusset, and/or guide beam, and/or anti-
Climbing tooth, and/or outside jacket plates, and/or decorative panel, and/or anti-climbing tooth installing plate, and/or liner plate and/or honeycomb aluminum simulation model..
Described above is only presently preferred embodiments of the present invention, not makees any formal limitation to the present invention, though
So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any technology people for being familiar with this patent
Member without departing from the scope of the present invention, when the technology contents using above-mentioned prompting make it is a little change or be modified to
The equivalent embodiment of equivalent variations, as long as being the content without departing from technical solution of the present invention, the technical spirit pair according to the present invention
Any simple modification, equivalent change and modification that above example is made, in the range of still falling within the present invention program.
Claims (10)
1. a kind of honeycomb fashion anti-creep energy absorber collision simulation method, apply in rail traffic vehicles energy absorbing component impact test, its
It is characterised by, carrying out emulation respectively using honeycomb fashion anti-creep energy absorber of the computer to chassis and on the chassis builds
Mould, is collided for analog orbit vehicular traffic, and simulation modeling process comprises the following steps：
S1, foundation and processing geometrical model, geometrical model is established for the chassis and honeycomb fashion anti-creep energy absorber respectively；
S2, mesh generation, mesh generation is carried out for the geometrical model；
S3, feature configuration is carried out to the geometrical model；
S4, control card is set, control parameter is set for modeling process.
2. honeycomb fashion anti-creep energy absorber collision simulation method according to claim 1, it is characterised in that the step S1,
Also include carrying out GTD model for the geometrical model；The GTD model be by the geometrical model to simulation result
The small feature of contribution amount is deleted.
3. honeycomb fashion anti-creep energy absorber collision simulation method according to claim 1, it is characterised in that the step S2
In, the mesh generation carried out to geometrical model is the division carried out according to collision finite element modeling knowledge and experiment experience；
Preferably, the cell type of each grid divides shell unit and hexahedral element.
4. honeycomb fashion anti-creep energy absorber collision simulation method according to claim 3, it is characterised in that in the step S2
Also the annexation of each several part in geometrical model is defined；
Preferably, the annexation include conode, be rigidly connected, turning joint and binding contact.
5. honeycomb fashion anti-creep energy absorber collision simulation method according to claim 1, it is characterised in that in the step S3
Also comprise the following steps：
S31, assign material and defined attribute；Specific material is assigned respectively for the geometrical model, and is defined for characterizing geometry mould
Whether type is entity attributes；
S32, contact relation is set, the contact relation is used for the contact relation for characterizing rail traffic vehicles collision rift each several part；
S33, operating loading is set.
6. honeycomb fashion anti-creep energy absorber collision simulation method according to claim 5, it is characterised in that the step S31
In, it is that the geometrical model of chassis assigns rigid material and/or elastic-plastic material, is that the geometrical model of honeycomb fashion anti-creep energy absorber is assigned
Give elastic-plastic material and/or cellular material.
7. honeycomb fashion anti-creep energy absorber collision simulation method according to claim 5, it is characterised in that the step S31
Described in attribute include two kinds of housing and entity.
8. honeycomb fashion anti-creep energy absorber collision simulation method according to claim 1, it is characterised in that the step S4
In, control card includes time step, and/or deadline, and/or hourglass, and/or housing, and/or entity, and/or contact
And/or output.
9. honeycomb fashion anti-creep energy absorber collision simulation method according to claim 5, it is characterised in that imitate chassis
During true modeling, after completing step S32, it is the quality and barycenter for adjusting chassis also to need to carry out step S32 ', the step S32 '.
A kind of 10. honeycomb fashion anti-creep energy absorber collision simulation system, using any described honeycomb fashion anti-creep of claim 1 to 9
Energy absorber collision simulation method, it is characterised in that the honeycomb fashion anti-creep energy absorber collision simulation system includes chassis emulation mould
Type and honeycomb fashion anti-creep energy absorber simulation model, the honeycomb fashion anti-creep energy absorber simulation model include：Installing plate, and/or muscle
Plate, and/or guide beam, and/or anti-climbing tooth, and/or outside jacket plates, and/or decorative panel, and/or anti-climbing tooth installing plate, and/or lining
Plate and/or honeycomb aluminum simulation model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710884125.9A CN107748812A (en) | 2017-09-26 | 2017-09-26 | A kind of honeycomb fashion anti-creep energy absorber collision simulation method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710884125.9A CN107748812A (en) | 2017-09-26 | 2017-09-26 | A kind of honeycomb fashion anti-creep energy absorber collision simulation method and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107748812A true CN107748812A (en) | 2018-03-02 |
Family
ID=61255983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710884125.9A Pending CN107748812A (en) | 2017-09-26 | 2017-09-26 | A kind of honeycomb fashion anti-creep energy absorber collision simulation method and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107748812A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109374251A (en) * | 2018-10-25 | 2019-02-22 | 安徽江淮汽车集团股份有限公司 | The collision simulation test method of collision prevention girders |
| CN109543274A (en) * | 2018-11-15 | 2019-03-29 | 上海微小卫星工程中心 | A kind of method of the padding scheme of determining satellite cellular plate |
| CN110598341A (en) * | 2019-09-18 | 2019-12-20 | 西南交通大学 | Design method of induced energy absorption device |
| CN112765835A (en) * | 2021-03-12 | 2021-05-07 | 中车青岛四方机车车辆股份有限公司 | Aluminum honeycomb test piece collision simulation and test benchmarking method and device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102339350A (en) * | 2011-09-16 | 2012-02-01 | 南京航空航天大学 | Complete automobile collision simulation method on basis of parameterization design |
| CN102358319A (en) * | 2011-09-22 | 2012-02-22 | 同济大学 | Energy-absorbing anticreeper of urban railway train |
| US20120325108A1 (en) * | 2010-02-11 | 2012-12-27 | Richard Graf | Crash module for a rail vehicle |
| US20140020596A1 (en) * | 2011-04-04 | 2014-01-23 | Richard Graf | Rail vehicle having an attached deformation zone |
-
2017
- 2017-09-26 CN CN201710884125.9A patent/CN107748812A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120325108A1 (en) * | 2010-02-11 | 2012-12-27 | Richard Graf | Crash module for a rail vehicle |
| US20140020596A1 (en) * | 2011-04-04 | 2014-01-23 | Richard Graf | Rail vehicle having an attached deformation zone |
| CN102339350A (en) * | 2011-09-16 | 2012-02-01 | 南京航空航天大学 | Complete automobile collision simulation method on basis of parameterization design |
| CN102358319A (en) * | 2011-09-22 | 2012-02-22 | 同济大学 | Energy-absorbing anticreeper of urban railway train |
Non-Patent Citations (2)
| Title |
|---|
| 刘彬 等: "一种双级式列车吸能防爬装置耐撞性分析", 《电力机车与城轨车辆》 * |
| 李本怀: "轨道客车车体碰撞吸能研究", 《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109374251A (en) * | 2018-10-25 | 2019-02-22 | 安徽江淮汽车集团股份有限公司 | The collision simulation test method of collision prevention girders |
| CN109543274A (en) * | 2018-11-15 | 2019-03-29 | 上海微小卫星工程中心 | A kind of method of the padding scheme of determining satellite cellular plate |
| CN110598341A (en) * | 2019-09-18 | 2019-12-20 | 西南交通大学 | Design method of induced energy absorption device |
| CN110598341B (en) * | 2019-09-18 | 2022-08-05 | 西南交通大学 | Design method of induced energy absorption device |
| CN112765835A (en) * | 2021-03-12 | 2021-05-07 | 中车青岛四方机车车辆股份有限公司 | Aluminum honeycomb test piece collision simulation and test benchmarking method and device |
| CN112765835B (en) * | 2021-03-12 | 2022-04-22 | 中车青岛四方机车车辆股份有限公司 | Aluminum honeycomb test piece collision simulation and test benchmarking method and device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107748812A (en) | A kind of honeycomb fashion anti-creep energy absorber collision simulation method and system | |
| CN107256289A (en) | The method for building up of car crass reduced parameter FEM model | |
| CN107169164B (en) | Consider the simplified model modeling method suitable for automobile Earlier designs of collision operating condition | |
| CN105183976B (en) | A kind of method that finite element analysis is carried out to vehicle-mounted cabinet | |
| CN108595898A (en) | Finite element modeling method based on vehicle collision simulation and system | |
| CN106053092B (en) | A kind of the sled test method and trolley of simulated automotive head-on crash | |
| CN102968516B (en) | A kind of brake control Fatigue Strength Analysis method based on finite element | |
| CN109002642A (en) | The quick design optimization method of vehicle body of railway vehicle chassis front end endergonic structure | |
| CN102542102A (en) | Method for rapidly analyzing energy distribution of train | |
| CN101625285A (en) | Virtual car crash detecting system and construction method thereof | |
| CN107729657A (en) | A kind of battery flat collision prevention girders Topology Optimization Method based on Equivalent Static load method | |
| CN107818231A (en) | A kind of welding structure crash-worthiness appraisal procedure based on explicit implicit continuous solving | |
| Lu et al. | A force/stiffness equivalence method for the scaled modelling of a high-speed train head car | |
| CN107766665A (en) | A kind of automobile side crash tests dummy breast structure fast modeling method | |
| CN111062158B (en) | Guardrail safety comprehensive evaluation system and method based on computer simulation technology | |
| CN103559354A (en) | Simplified analysis method for collision bending of thin-wall curved beam of automotive body | |
| CN103177165A (en) | Coach body structure design system, coach side overturning simulation test system and method | |
| CN207095870U (en) | A kind of crash tests equipment | |
| CN106055849A (en) | Suction and energy-storage anti-collision negative poisson's ratio structure automobile frame and design method | |
| Tahan et al. | Sensitivity study of vehicle rollovers to various initial conditions–finite element model based analysis | |
| CN109374251A (en) | The collision simulation test method of collision prevention girders | |
| CN114444316A (en) | Simulation test method for collision between automobile and rigid heightened guardrail | |
| CN109145450A (en) | A kind of battery pack collision safety analysis method and device | |
| CN105701301B (en) | Automobile positive crash tests method and device | |
| Wu et al. | Optimal Control Method for Side Impact Safety of Vehicle Frame Structure. |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180302 |