CN102279126A - Method for determining material performance parameter by combination of testing and CAE simulation - Google Patents
Method for determining material performance parameter by combination of testing and CAE simulation Download PDFInfo
- Publication number
- CN102279126A CN102279126A CN2011101822334A CN201110182233A CN102279126A CN 102279126 A CN102279126 A CN 102279126A CN 2011101822334 A CN2011101822334 A CN 2011101822334A CN 201110182233 A CN201110182233 A CN 201110182233A CN 102279126 A CN102279126 A CN 102279126A
- Authority
- CN
- China
- Prior art keywords
- structural member
- model
- test
- dimensional
- simulation
- 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.)
- Granted
Links
Images
Landscapes
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
A method for determining a material performance parameter by the combination of testing and CAE simulation comprises the following steps: step A, performing modal analysis of a structural part by CAE software to obtain a simulation value of a modal parameter; step B, establishing test boundary conditions consistent with simulation boundary conditions, testing the structural part to obtain a test value of the modal parameter; and step C, comparing the simulation value with the test value to determine whether the material performance parameter meets requirements, wherein if yes, the simulation value is the performance parameter of the structural part, and otherwise, obtaining the performance parameter of the structural part based on simulation optimization. The method of the invention not only can decrease testing cost and increase testing efficiency, but also can control the final material performance of the part.
Description
Technical field
The present invention relates to the method for testing of structural member, particularly relate to the method for testing of the material property parameter of mechanical component.
Background technology
The machining precision of the workpieces such as mechanical component that lathe is used comprises the dimensional accuracy and the accuracy of form and position, is the key point that guarantees machine tool capability, and this point is known together by people.Yet the otherness of part material performance is to machine tool capability, and especially the influence of dynamic property is not generally paid attention to by people.
Reality is very big in engineering circle raw-material otherness of the same race, and the otherness of natural material such as granite and the common metal material that adopts is then especially outstanding: very big change can take place in the metal material of process heat treatment process performance sometimes.For the high-speed mechanism precision machine tool, the otherness of material property also is the key factor that influences machine tool capability.
In order to determine material property parameter, existing a kind of conventional method is that rapidoprint is done conventional detection and check, it need dispose the staff and the multiple instrument and equipment of specialty, with high costs, and be merely able to control the performance parameter of rapidoprint, can not control the material property of final part.Existing another kind of conventional method is the performance parameter test that the mechanical component that process is carried out entity, owing to needs making exemplar and to damaging property of exemplar, for complex structure, the higher situation of cost, there is the high problem of testing cost equally, and this method of testing, its efficient is also lower.
Summary of the invention
The technical problem to be solved in the present invention is to overcome above-mentioned the deficiencies in the prior art, and proposes a kind of method of definite material property parameter newly, not only can reduce testing cost, improves testing efficiency, and can control the material property of final part.
The technical scheme that the present invention solves the problems of the technologies described above employing comprises, proposes combine with the CAE emulation method of definite material property parameter of a kind of test, may further comprise the steps:
Steps A: with CAE software structural member is carried out model analysis, obtain the simulation value of modal parameter;
Step B: set up the test boundary condition consistent, structural member is tested, obtain the test value of modal parameter with the emulation boundary condition; And
Step C: this simulation value and test value are compared, to determine whether material property parameter meets the requirements, and is that then simulation value is the performance parameter of structural member, otherwise obtains the performance parameter of structural member according to simulation optimization.
Model analysis described in the steps A is that a three-dimensional entity model at this structural member carries out; Structural member is tested described in the step B utilizes a three dimensional taest model that this structural member is tested.
This steps A specifically comprises:
In CAE software, make up a three-dimensional entity model;
The simulation value of the modal parameter of this three-dimensional entity model of simulation calculation.
Describedly in CAE software, make up a three-dimensional entity model and specifically comprise:
Set up the three-dimensional entity model of structural member at CAD software;
This three-dimensional entity model conversion is imported in the CAE software.
Before the simulation value of the modal parameter of simulation calculation three-dimensional entity model, also comprise, carry out the setting of mode simulation process at this three-dimensional entity model, this setting comprises: definition material parameter attribute, establishment entity, defined analysis step, interpolation boundary condition, grid dividing and submission analysis.
This step B specifically comprises:
Set up a three dimensional taest model of this structural member;
Utilize this three dimensional taest model that this structural member is tested, obtain the test value of modal parameter.
The described process of setting up a three dimensional taest model of this structural member specifically comprises: choose suitable energisation mode and arrange suitable response point on this structural member, according to the shape of this structural member and the response point of layout, in software, set up this three dimensional taest model, probably to depict the profile of this structural member by the form of input coordinate.
The described process of utilizing this three dimensional taest model that this structural member is tested specifically comprises: the position in the test point on this structural member is corresponding with the point on this three dimensional taest model of setting up, and the direction of test is also consistent with this three dimensional taest model direction of coordinate system in software.
Describedly utilize this three dimensional taest model that this structural member is tested specifically to comprise:
Set up the test boundary condition consistent with the emulation boundary condition, the constant excitation point is adopted in firmly hammer excitation, and the method for mobile test point is tested; Content measurement to each test point is excitation and vibration acceleration response, utilizes the modal parameter estimation approach to draw the test value of modal parameter.
The process that this simulation value and test value are compared among the described step C specifically comprises:
Natural frequency and Mode Shape contrast with the structural member of emulation and test.
Compared with prior art, test of the present invention combines with CAE emulation and determines the method for material property parameter, obtain the simulation value of modal parameter by software emulation, by structural member being tested the test value that obtains modal parameter, and by two class values being compared to determine material property parameter, not only can reduce testing cost, improve testing efficiency, can also control the material property of final part.
Description of drawings
The principle of work of the method that Fig. 1 determines material property parameter for test of the present invention combines with CAE emulation.
Fig. 2 is the structure contrast of workpiece and the simplified model thereof of the inventive method embodiment.
Fig. 3 is the flow process signal of the inventive method embodiment.
Fig. 4 is the test of the inventive method embodiment and the comparison of simulation architecture.
Embodiment
Below as the example of structural member, the most preferred embodiment shown in is described in further detail in conjunction with the accompanying drawings with the base plate (being called Z axle base plate) of PCB rig processing axle.
Combine with the CAE emulation principle of work of the method for determining material property parameter of test of the present invention as shown in Figure 1 is: with finite element software the 3D model of structural member is carried out the Free Modal analysis, obtain the simulation value of modal parameter; The entity of structural member is tested and carried out model analysis with vibration measurement instrument, obtain the test value of modal parameter; This simulation value and test value are analyzed.
In order to improve testing efficiency, above-mentioned test is to adopt a three dimensional taest model to assist the test of structural member.Referring to Fig. 2 as can be known, this three dimensional taest model will be simplified much than the structure of structural member.The process of setting up of this three dimensional taest model roughly comprises: at first choose suitable energisation mode and arrange suitable response point on entity, in software, set up the three dimensional taest model according to the shape of entity and the response point that we arrange then, probably depict the profile of entity by the form of input coordinate.When adopting the test of auxiliary this structural member of this three dimensional taest model, the position of test point is corresponding with the point of the three dimensional taest model of setting up on this structural member, the direction of test is also consistent with three dimensional taest model direction of coordinate system in software, in other words be exactly after setting up the three dimensional taest model, according to the position of putting on the model and in software the direction of coordinate system, corresponding point of test and direction thereof on this structural member.
The flow process signal of inventive method embodiment of the present invention, as shown in Figure 3.Roughly comprise:
Choose the structural member of to be analyzed/test, in CAD software Solid works, set up its three-dimensional entity model, its modeling shape is shown in the part drawing that is positioned at the top among Fig. 1, then the three-dimensional entity model conversion is imported in the CAE software Abaqus finite element, in the definition material parameter, define the cross section attribute, analysis step is set, adds after boundary condition, grid dividing, submission analysis, the aftertreatment etc., carry out Free Modal emulation, obtain the Free Modal parameter, just obtained the simulation value of one group of modal parameter;
Structural member is carried out test modal analysis,, utilize the Geometry module of the Test.Lab software of LMS company to obtain the three dimensional taest Model Design of structural member, and go out the three dimensional taest model of an entity according to this design construction at structural member.Consistent with the emulation boundary condition, to support with flexible suspension, the constant excitation point is adopted in firmly hammer excitation, and the method for mobile test point is tested.Utilize the Impact Testing module of Test.Lab software to carry out the hammering modal test, according to its vibration acceleration response of three dimensional taest model pointwise test of setting up, obtain the frequency response function function of each point by testing tools such as vibration measurement instrument and acceleration transducers.Then, utilize the PolymMAX technology of Modal Analysis module, extract each rank mode, obtain model frequency and Mode Shape.Come test result is carried out the mode modelling verification with Modal Validation module again, guarantee precision of test result;
With test result and simulation result comparative analysis, judge whether material property meets the requirements.
Referring to the listed a kind of test situation of Fig. 4 as can be known, the structural member test is all very similar with Mode Shape to the natural frequency of emulation, difference each other is less, can think the requirement that meets material property, need not carry out simulation optimization, the material property parameter of emulation is the real material parameter of structural member.
Compared with prior art, test of the present invention combines with CAE emulation and determines the method for material property parameter, and emulation is combined with test, and not only cost is lower, and accomplishes the essential laws of the problem that discloses easily; The method that adopts the mode test to combine with mode emulation can accurately be judged the performance difference of part material, mainly comprises: elasticity modulus of materials, Poisson ratio, energy dissipation capability damping value, design of part natural frequency etc.; Have and do not destroy part, do not need to make exemplar, can monitor the process problem and the testing efficiency advantages of higher of part itself.
Claims (10)
1. a test combines with CAE emulation and determines the method for material property parameter, it is characterized in that, may further comprise the steps:
Steps A: with CAE software structural member is carried out model analysis, obtain the simulation value of modal parameter;
Step B: set up the test boundary condition consistent, structural member is tested, obtain the test value of modal parameter with the emulation boundary condition; And
Step C: this simulation value and test value are compared, to determine whether material property parameter meets the requirements, and is that then simulation value is the performance parameter of structural member, otherwise obtains the performance parameter of structural member according to simulation optimization.
2. the method for claim 1 is characterized in that, the model analysis described in the steps A is that a three-dimensional entity model at this structural member carries out; Structural member is tested described in the step B utilizes a three dimensional taest model that this structural member is tested.
3. method as claimed in claim 2 is characterized in that, this steps A specifically comprises:
In CAE software, make up a three-dimensional entity model;
The simulation value of the modal parameter of this three-dimensional entity model of simulation calculation.
4. method as claimed in claim 3 is characterized in that, describedly makes up a three-dimensional entity model specifically comprise in CAE software:
Set up the three-dimensional entity model of structural member at CAD software;
This three-dimensional entity model conversion is imported in the CAE software.
5. method as claimed in claim 3, it is characterized in that, before the simulation value of the modal parameter of simulation calculation three-dimensional entity model, also comprise, carry out the setting of mode simulation process at this three-dimensional entity model, this setting comprises: definition material parameter attribute, establishment entity, defined analysis step, interpolation boundary condition, grid dividing and submission analysis.
6. method as claimed in claim 2 is characterized in that, this step B specifically comprises:
Set up a three dimensional taest model of this structural member;
Utilize this three dimensional taest model that this structural member is tested, obtain the test value of modal parameter.
7. method as claimed in claim 6, it is characterized in that, the described process of setting up a three dimensional taest model of this structural member specifically comprises: choose suitable energisation mode and arrange suitable response point on this structural member, according to the shape of this structural member and the response point of layout, in software, set up this three dimensional taest model, probably to depict the profile of this structural member by the form of input coordinate.
8. method as claimed in claim 6, it is characterized in that, the described process of utilizing this three dimensional taest model that this structural member is tested specifically comprises: the position in the test point on this structural member is corresponding with the point on this three dimensional taest model of setting up, and the direction of test is also consistent with this three dimensional taest model direction of coordinate system in software.
9. method as claimed in claim 6 is characterized in that, describedly utilizes this three dimensional taest model that this structural member is tested specifically to comprise:
Set up the test boundary condition consistent with the emulation boundary condition, the constant excitation point is adopted in firmly hammer excitation, and the method for mobile test point is tested;
Content measurement to each test point is excitation and vibration acceleration response, utilizes the modal parameter estimation approach to draw the test value of modal parameter.
10. as each described method of claim 1 to 9, it is characterized in that the process that this simulation value and test value are compared among the described step C specifically comprises:
Natural frequency and Mode Shape contrast with the structural member of emulation and test.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110182233 CN102279126B (en) | 2011-06-30 | 2011-06-30 | Method for determining material performance parameter by combination of testing and CAE simulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110182233 CN102279126B (en) | 2011-06-30 | 2011-06-30 | Method for determining material performance parameter by combination of testing and CAE simulation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102279126A true CN102279126A (en) | 2011-12-14 |
| CN102279126B CN102279126B (en) | 2013-04-17 |
Family
ID=45104697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110182233 Active CN102279126B (en) | 2011-06-30 | 2011-06-30 | Method for determining material performance parameter by combination of testing and CAE simulation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102279126B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102930099A (en) * | 2012-10-31 | 2013-02-13 | 中国运载火箭技术研究院 | Contrast verification system of virtual and solid modals |
| CN103177165A (en) * | 2013-04-15 | 2013-06-26 | 帝特汽车技术(上海)有限公司 | Coach body structure design system, coach side overturning simulation test system and method |
| CN103278387A (en) * | 2013-06-03 | 2013-09-04 | 哈尔滨工业大学 | Method for measuring parameters of flexible composite material combining finite element software simulation and experiment |
| CN103954494A (en) * | 2014-05-12 | 2014-07-30 | 暨南大学 | Mechanical performance testing method of oblique-coil springs |
| CN105571796A (en) * | 2014-10-14 | 2016-05-11 | 大族激光科技产业集团股份有限公司 | Modal testing method for small component in working condition |
| CN109543306A (en) * | 2018-11-23 | 2019-03-29 | 中航锂电技术研究院有限公司 | A kind of test method of the battery case cover plate assembly welding internal resistance based on emulation testing |
| CN112685889A (en) * | 2020-12-24 | 2021-04-20 | 武汉大学 | Simplified test structure design method for detecting system defects |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020188375A1 (en) * | 2001-06-11 | 2002-12-12 | Takayoshi Shioiri | Molding-condition setting method for an injection molding machine |
| CN101000636A (en) * | 2006-01-11 | 2007-07-18 | 财团法人工业技术研究院 | System for auxiliary designing bicycle fitting and its method |
| CN201071063Y (en) * | 2007-06-29 | 2008-06-11 | 上海华普汽车有限公司 | Front beam of vehicle engine and vehicle |
| CN101916322A (en) * | 2010-09-07 | 2010-12-15 | 上海奕代汽车技术有限公司 | Optimization design method for sagging problem of car door based on CAE (Computer Aided Engineering) structural analysis |
-
2011
- 2011-06-30 CN CN 201110182233 patent/CN102279126B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020188375A1 (en) * | 2001-06-11 | 2002-12-12 | Takayoshi Shioiri | Molding-condition setting method for an injection molding machine |
| CN101000636A (en) * | 2006-01-11 | 2007-07-18 | 财团法人工业技术研究院 | System for auxiliary designing bicycle fitting and its method |
| CN201071063Y (en) * | 2007-06-29 | 2008-06-11 | 上海华普汽车有限公司 | Front beam of vehicle engine and vehicle |
| CN101916322A (en) * | 2010-09-07 | 2010-12-15 | 上海奕代汽车技术有限公司 | Optimization design method for sagging problem of car door based on CAE (Computer Aided Engineering) structural analysis |
Non-Patent Citations (3)
| Title |
|---|
| 宋福民 等: "贴片机x-y运动横梁结构设计研究", 《电子工业专用设备》 * |
| 肖永山 等: "全自动贴片机横梁设计与动力学仿真", 《计算机辅助工程》 * |
| 肖永山 等: "基于有限元方法的贴片机整机模态研究", 《机械设计与研究》 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102930099A (en) * | 2012-10-31 | 2013-02-13 | 中国运载火箭技术研究院 | Contrast verification system of virtual and solid modals |
| CN102930099B (en) * | 2012-10-31 | 2015-11-25 | 中国运载火箭技术研究院 | A kind of actual situation mode contrast verification system |
| CN103177165A (en) * | 2013-04-15 | 2013-06-26 | 帝特汽车技术(上海)有限公司 | Coach body structure design system, coach side overturning simulation test system and method |
| CN103278387A (en) * | 2013-06-03 | 2013-09-04 | 哈尔滨工业大学 | Method for measuring parameters of flexible composite material combining finite element software simulation and experiment |
| CN103954494A (en) * | 2014-05-12 | 2014-07-30 | 暨南大学 | Mechanical performance testing method of oblique-coil springs |
| CN103954494B (en) * | 2014-05-12 | 2016-04-13 | 暨南大学 | A kind of canted coil spring mechanic property test method |
| CN105571796A (en) * | 2014-10-14 | 2016-05-11 | 大族激光科技产业集团股份有限公司 | Modal testing method for small component in working condition |
| CN105571796B (en) * | 2014-10-14 | 2018-02-02 | 大族激光科技产业集团股份有限公司 | A kind of mode testing method under micro-element operating mode |
| CN109543306A (en) * | 2018-11-23 | 2019-03-29 | 中航锂电技术研究院有限公司 | A kind of test method of the battery case cover plate assembly welding internal resistance based on emulation testing |
| CN112685889A (en) * | 2020-12-24 | 2021-04-20 | 武汉大学 | Simplified test structure design method for detecting system defects |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102279126B (en) | 2013-04-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102279126B (en) | Method for determining material performance parameter by combination of testing and CAE simulation | |
| CN103267507B (en) | The method of the flatness error of mechanical structural plan is extracted based on finite element analysis | |
| CN103528779B (en) | The pilot system of a kind of vibration characteristic of overall base of motor and test method | |
| Montevecchi et al. | Improved RCSA technique for efficient tool-tip dynamics prediction | |
| CN106354955A (en) | Sliding bearing rigidity recognition method based on mill vibration mode parameters | |
| CN102567578B (en) | Spacecraft vibration test fixture evaluation system | |
| CN103995937A (en) | Precision machine tool mass matching design method based on response surface and genetic algorithm | |
| CN103246786A (en) | Method for building lubricating oil film model after thermal mechanical coupling deformation of hydrostatic thrust bearing | |
| Wu et al. | Investigate on computer-aided fixture design and evaluation algorithm for near-net-shaped jet engine blade | |
| CN112924065A (en) | Measuring method for measuring residual stress of curved surface based on blind hole method | |
| CN104050317A (en) | Method for obtaining dynamic accuracy of machine tool | |
| Liu et al. | Machined surface error analysis—a face milling approach | |
| CN109614748B (en) | Structure optimization method for improving dynamic characteristics of machine tool by combining test and simulation technology | |
| CN112464401A (en) | Accurate modeling method for metal material welding spot | |
| CN108776746B (en) | Dynamic stiffness optimization method for improving dynamic characteristics of machine tool | |
| CN101639868B (en) | Method for designing counterweight by simulation analysis of computer | |
| CN102419784B (en) | Design method of multiple-spindle cascading structure of PCB (printed circuit board) drilling machine | |
| Wąsik et al. | Model‐Based Dynamic Structural Modification of Machine Tools | |
| Eguia et al. | Analysis, optimization and accuracy assessment of special-purpose portable machines by virtual techniques | |
| CN109117547B (en) | Method for optimizing dynamic characteristics of large part structure of machine tool | |
| CN109324570B (en) | Machine tool design optimization method based on machining appearance pre-configuration | |
| Chan et al. | Optimized design and performance study of high speed five-axis machine tools | |
| Wang et al. | Structural Design Optimization of Movable-column Horizontal Machining Center Based on Integral Stiffness Analysis and Sensor Measurement. | |
| Fuzhong | CNC milling machine spindle characteristics analysis by FEM | |
| Chan et al. | Study on Kinematic Structure Performance and Machining Characteristics of Machine Tools |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518020 No. 9 West West Road, Nanshan District hi tech park, Shenzhen, Guangdong Co-patentee after: HAN'S CNC SCIENCE AND TECHNOLOGY Co.,Ltd. Patentee after: HAN'S LASER TECHNOLOGY INDUSTRY GROUP Co.,Ltd. Address before: 518020 No. 9 West West Road, Nanshan District hi tech park, Shenzhen, Guangdong Co-patentee before: HAN'S CNC SCIENCE AND TECHNOLOGY Co.,Ltd. Patentee before: Han's Laser Technology Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200630 Address after: 518000 workshop 5 / F, 1 / 2 / F, 14 / F, 17 / F, antuoshan hi tech Industrial Park, Xinsha Road, Shajing street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: HAN'S CNC SCIENCE AND TECHNOLOGY Co.,Ltd. Address before: 518020 No. 9 West West Road, Nanshan District hi tech park, Shenzhen, Guangdong Co-patentee before: HAN'S CNC SCIENCE AND TECHNOLOGY Co.,Ltd. Patentee before: HAN'S LASER TECHNOLOGY INDUSTRY GROUP Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518000 5 / F, 1 / 2 / F, 14 / F, 17 / F, No.3 Factory building, antuoshan hi tech Industrial Park, Xinsha Road, Shajing street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Han's CNC Technology Co.,Ltd. Address before: 518000 5 / F, 1 / 2 / F, 14 / F, 17 / F, No.3 Factory building, antuoshan hi tech Industrial Park, Xinsha Road, Shajing street, Bao'an District, Shenzhen City, Guangdong Province Patentee before: HAN'S CNC SCIENCE AND TECHNOLOGY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |