CN103116672A - Method of utilizing finite element modeling to judge whether turntable bearing meets requirements - Google Patents
Method of utilizing finite element modeling to judge whether turntable bearing meets requirements Download PDFInfo
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- CN103116672A CN103116672A CN2013100354726A CN201310035472A CN103116672A CN 103116672 A CN103116672 A CN 103116672A CN 2013100354726 A CN2013100354726 A CN 2013100354726A CN 201310035472 A CN201310035472 A CN 201310035472A CN 103116672 A CN103116672 A CN 103116672A
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Abstract
Provided is a method of utilizing finite element modeling to judge whether a turntable bearing meets requirements. A turntable bearing model is established in ANSYS according to a structure parameter of the turntable bearing. Total freedom constraints are imposed on a lower end face of an outer ring of the turntable bearing model, and a radial load, an axial load and an overturning moment load are imposed on an inner ring. Load data of a rolling body is solved and obtained. The security coefficient of the bearing is calculated by utilizing the maximum rolling body load data, and whether the security coefficient meets the requirements. According to the method of utilizing the finite element modeling to judge whether the turntable bearing meets the requirements, the ANSYS is utilized to establish a 'rod-entity' hybrid finite element model of the turntable bearing, and a contact model between an entity rolling body and an entity rolling path is dispensed. The finite element model obviously lowers requirements to computer resources, and the calculation time is greatly shortened.
Description
Technical field
The invention belongs to turntable bearing and check field, utilize specifically finite element modeling to judge the method whether turntable bearing meets the demands.
Background technology
Turntable bearing is the bearing that a class can be born radial load, axial load and the symphyogenetic special construction of upsetting moment load simultaneously, is widely used in the slew gear of the mechanical systems such as crane, excavator, shield machine, stacker, aerogenerator, medical CT machine, radar antenna and astronomical telescope.Analytical calculation is carried out in rolling body load distribution to turntable bearing, and further calculates the safety coefficient of bearing, is the foundation of this class bearing selection and Application and structural design, and wherein most critical is the calculating of the rolling body load distribution of turntable bearing.
The computing method that the rolling body load of turntable bearing distributes have two kinds: analytical method and finite element method.Analytical method need to first be set up the mathematical model of bearing, and the recycling computer programming language is programmed mathematical model, utilizes computer program to be solved, and this has relatively high expectations to the technician's, and engineering technical personnel are difficult to grasp use in practice.Finite element method need to utilize finite element analysis software to set up the finite element model of bearing, then is solved calculating.In the classic method of utilizing finite element software calculating turntable bearing rolling body load to distribute, first lasso and rolling body are carried out to solid modelling, and adopt tetrahedron element SOLID92 grid division.In addition, in the contact site of rolling body and raceway, also will create osculating element CONTACT174 at the surface in contact of rolling body, at the surface in contact establishment object element TARGET170 of raceway, model carries out derivation after having built.The computer resource that this finite element model takies is very large, high to the configuration requirement of computing machine, computing time long (being about a couple of days), especially often runs into not convergence problem and causes calculating unsuccessfully.
Summary of the invention
Exist when solving the first calculation bearing rolling body load of existing finite element method and then utilizing this load data computationally secure coefficient allocation of computer is required is high, computing time is long and easily cause calculating failed problem, the invention provides a kind of finite element modeling that utilizes and judge the method whether turntable bearing meets the demands, the method adopts finite element software to carry out the modeling of turntable bearing, then imposed load solve the load of the rolling body that obtains the stand under load maximum, and apply mechanically on this basis formula and calculate safety coefficient, then judge whether this safety coefficient meets the demands.
The present invention solves the problems of the technologies described above the technical scheme of employing to be: utilize finite element modeling to judge the method whether turntable bearing meets the demands, set up the model of turntable bearing in the ANSYS finite element software, then apply full degree of freedom constraint on the lower surface, outer ring of the turntable bearing model of setting up, apply on axial load and upsetting moment load and the internal diameter face of cylinder at inner ring and apply radial load in the upper surface of inner ring, then solve the load data of all rolling bodys in obtaining turntable bearing under above stress condition, use load data maximum in all rolling body load datas to calculate the Maximum Contact stress between rolling body and raceway, the allowable contact stress that recycles this Maximum Contact stress and given material calculates the safety coefficient f of raceway
s, by the safety coefficient f of raceway
swith will be satisfied safety coefficient f
s` compares, if f
s>f
s`, this turntable bearing meets the demands,
Comprising the steps: of the described model of setting up turntable bearing
1) set up inner ring entity and the outer ring entity of turntable bearing according to the structural parameters of turntable bearing in the ANSYS finite element software;
2) on the basis of step 1), create respectively a key point at the active position of each rolling body and two raceways, every a pair of key point is connected and obtains line segment to replace a rolling body;
3) in step 2) basis on utilize the tetrahedron element SOLID92 in the ANSYS database to carry out the grid division to inner ring and outer ring entity, utilize the bar unit LINK10 in the ANSYS database to carry out the grid division to the line segment that represents rolling body, complete modeling process.
The inner ring entity of described turntable bearing model and outer ring entity, its foundation comprises the following steps:
At first, according to the structural parameters of turntable bearing, set up the key point on turntable bearing axial cross section profile in the ANSYS finite element software, then connect the outline line that the key point of setting up generates the turntable bearing axial cross section;
Secondly, utilize on the basis of the above the parameter of turntable bearing to set up the cross section of turntable bearing inner ring and outer ring, then interior ring cross-section is rotated and scans 360 ° of generation inner ring entities around bearing axis, outer ring cross-section is rotated and scans 360 ° of generation outer ring entities around bearing axis.
Beneficial effect: the present invention has following superiority than prior art:
1) the present invention utilizes the interface advantage of finite element software ANSYS man-machine interactive operation, and the analytical method of passing through mathematical modeling and Program calculating with respect to traditional, reduced the requirement to the user of service;
2) the present invention utilizes finite element analysis software ANSYS to set up " bar-entity " hybrid finite element model of turntable bearing, saved contact model between entity rolling body and entity raceway, this finite element model has significantly reduced the requirement to computer resource, and greatly shortened computing time;
3) finite element model that the present invention sets up, the nonlinear contact of having saved between entity rolling body and entity raceway is calculated, and will shorten to for tens seconds computing time, has avoided the not convergence problem calculated.
The accompanying drawing explanation
Fig. 1 is three-row cylinder roller Tumbler disc bearing structure schematic diagram;
Fig. 2 is turntable bearing lasso axial cross section outline line schematic diagram;
The unit grid schematic diagram that Fig. 3 is the turntable bearing lasso;
The cell type schematic diagram that Fig. 4 is the turntable bearing finite element model;
The boundary constraint that Fig. 5 is the turntable bearing finite element model and loading schematic diagram;
The rolling body load distribution schematic diagram that Fig. 6 is the turntable bearing that uses the inventive method to calculate;
Fig. 7 is for being used the result of calculation of the inventive method;
Fig. 8 is for being used the result of calculation of traditional analytic method;
Reference numeral: 1, inner ring, 2, inner ring, 3, rolling body, 4, spacing block, 5, O-ring seal, 6, O-ring seal, 7, rolling body, 8, retainer, 9, rolling body, 10, retainer, 11, O-ring seal, 12, outer ring.
Embodiment
For a more clear understanding of the present invention, below in conjunction with accompanying drawing and embodiment, the present invention is described in further detail.
As the version of turntable bearing that certain main frame is used is the three-row roller turntable bearing, as shown in Figure 1, mainly by inner ring (1,2), rolling body (3,7,9), retainer (8,10), spacing block (4), O-ring seal (5,6,11), outer ring (12) form, wherein, upper row's rolling body is the main thrust roller, lower row's rolling body is auxiliary thrust roller, and middle row's rolling body is radial roller.The main structure parameters of bearing is as follows: main thrust roller centre circular diameter is 5796 mm, and the main thrust roller diameter is 50 mm, and the main thrust roller length is 50 mm, and main thrust roller quantity is 294; Auxiliary thrust roller center circle diameter is 5790 mm, and auxiliary thrust roller diameter is 40 mm, and auxiliary thrust roller length is 40 mm, and auxiliary thrust roller quantity is 354; The radial roller center circle diameter is 5706 mm, and the radial roller diameter is 30mm, and radial roller length is 30mm, and radial roller quantity is 448.Bearing bearing load when work is as follows: radial load is 1000kN, and axial load is 800 kN, and upsetting moment is 10000kN.m.Can it be 2.5 that main frame requires the safety coefficient of bearing, require the safety coefficient of calculation bearing meet the demands.
Utilize finite element modeling to judge the method whether turntable bearing meets the demands, comprise the following steps:
1) set up the key point of turntable bearing axial cross section according to the structural parameters of turntable bearing in the ANSYS finite element software, then connect the outline line that the key point of setting up generates the turntable bearing axial cross section;
At first, turntable bearing finite element model of the present invention two kinds of cell types used are set: tetrahedron element SOLID92 and bar unit LINK10;
Concrete operations are as follows: in the interface of ANSYS software, by operation " Main Menu(master menu) → the Preprocessor(front processor) → Element Type(cell type) → increase/editor of Add/Edit/Delete(/ delete) ", eject " Element Types " dialog box, add SOLID92 and two kinds of cell types of LINK10 in dialog box;
Secondly, in the axial cross section of bearing, the closed region that the cross section of lasso is comprised of some line segments, set up key point at the end points of these line segments, as, the intersection point of intersection point, outer ring external cylindrical surface and the lower surface of intersection point, upper surface, outer ring and the external cylindrical surface of row raceway and upper surface etc. on outer ring;
Concrete operations are as follows: in the interface of ANSYS software, by operation " Main Menu(master menu) → the Preprocessor(front processor) → the Modeling(modeling) → Creat(creates) → the Keypoints(key point) → In Active CS(is in moving coordinate system) ", then eject dialog box, numbering and the coordinate figure of input key point in dialog box.Create according to the method all key points;
Finally, in the axial cross section of bearing, connect the outline line that defined adjacent key point obtains cross section;
Concrete operations are as follows: in the interface of ANSYS software, by operation " Main Menu(master menu) → the Preprocessor(front processor) → the Modeling(modeling) → Creat(creates) → the Line(line) → Lines(creates line) → In Active CS(is in moving coordinate system) ", then eject dialog box, with mouse, choose successively two key points to generate line segment, create according to the method all line segments, these line segments form the cross section profile of lasso, as shown in Figure 2;
2) on the basis of step 1), utilize the parameter of turntable bearing to set up the cross section of turntable bearing inner ring and outer ring, then interior ring cross-section is rotated and scans 360 ° of generation inner ring entities around bearing axis, outer ring cross-section is rotated and scans 360 ° of generation outer ring entities around bearing axis;
At first, in the axial cross section of bearing, generated the cross section of inner ring and outer ring by the cross section contour of defined lasso;
Concrete operations are as follows: in the interface of ANSYS software, by operation " Main Menu(master menu) → the Preprocessor(front processor) → the Modeling(modeling) → Creat(creates) → the Area(face) → the Arbitrary(arbitrary shape) → By Lines(passes through line) ", then eject dialog box, select successively the cross section contour of inner ring with mouse, click the cross section that " OK " button obtains inner ring.Obtain again according to the method the cross section of outer ring;
Secondly, interior ring cross-section is rotated and scans 360 ° of generation inner ring entities around bearing axis; Outer ring cross-section is rotated and scans 360 ° of generation outer ring entities around bearing axis;
Concrete operations are as follows: in the interface of ANSYS software, by operation " Main Menu(master menu) → the Preprocessor(front processor) → the Modeling(modeling) → Operate(operation) → Extrude(stretches) → the Areas(face) → About Axis(is about axle) ", then eject dialog box, select the cross section of inner ring with mouse, click " OK " button; Eject again dialog box, with mouse, select two key points on rotation, click " OK " button; Eject " Sweep Areas about Axis " dialog box, in dialog box, the input anglec of rotation is 360 °, generates the inner ring entity; Regeneration outer ring entity according to the method;
3) in step 2) basis on, create respectively a key point at the active position of each rolling body and two raceways, every a pair of key point is connected and obtains line segment to replace a rolling body;
Concrete operations are as follows: in the interface of ANSYS software, by operation " Main Menu(master menu) → the Preprocessor(front processor) → the Modeling(modeling) → Creat(creates) → the Keypoints(key point) → In Active CS(is in moving coordinate system) ", then eject dialog box, in dialog box, numbering and the coordinate figure of input key point, create all key points according to the method;
In the interface of ANSYS software, by operation " Main Menu(master menu) → the Preprocessor(front processor) → the Modeling(modeling) → Creat(creates) → the Line(line) → Lines(creates line) → In Active CS(is in moving coordinate system) ", then eject dialog box, with mouse, choose successively two key points to generate line segment; Create according to the method all line segments, with each line segment, replace a rolling body;
4) on the basis of step 3), to inner ring entity, outer ring entity and represent that the line segment of rolling body carries out the grid division;
At first, utilize tetrahedron element SOLID92 to inner ring and outer ring entity division grid;
Concrete operations are as follows: in the interface of ANSYS software, by the operation " Main Menu(master menu) → the Preprocessor(front processor) → the Meshing(grid) → Mesh Attributes(grid property) → all bodies of All Volumes() ", then eject " Volume Attributes " dialog box, the type of setting unit is " SOLID92 ";
In the interface of ANSYS software, by operation " Main Menu(master menu) → the Preprocessor(front processor) → the Meshing(grid) → the Mesh(grid division) → the Volumes(body) → Free(freely divides) ", then eject " Mesh Volume " dialog box, choose inner ring and the outer ring solid model of bearing with mouse, click " OK " button and carry out the grid division, as shown in Figure 3;
Secondly, utilize bar unit LINK10 to carry out the grid division to the line segment that represents rolling body;
Concrete operations are as follows: in the interface of ANSYS software, by operation " Main Menu(master menu) → the Preprocessor(front processor) → the Meshing(grid) → Mesh Attributes(grid property) → All Lines(institute is wired) ", then eject " Line Attributes " dialog box, the type of setting unit is " Link10 ";
In the interface of ANSYS software, by operation " Main Menu(master menu) → the Preprocessor(front processor) → the Meshing(grid) → the Mesh(grid division) → the Lines(line); then eject " Mesh Line " dialog box; with mouse, choose one by one each root to represent the line segment of each rolling body; click " OK " button and carry out the grid division, as shown in Figure 4;
Apply full degree of freedom constraint on the lower surface, outer ring of the turntable bearing model of 5) setting up in step 4), in the upper surface of inner ring, apply on axial load and upsetting moment load, the internal diameter face of cylinder at inner ring and apply radial load;
At first, the lower surface, outer ring of turntable bearing model is applied the constraint of all degree of freedom;
Concrete operations are as follows: in the interface of ANSYS software, by operation " Main Menu(master menu) → Solution(solves) → Define Loads(define load) → the Apply(loading) → the Structural(structure) → the Displacement(displacement) → On Areas(on the whole) ", then eject " Apply U, ROT on Areas " dialog box, choose the bottom surface of bearing outer ring with mouse, click " OK " button, eject " Apply U, ROT on Areas " dialog box, in dialog box, arrange " ALL DOF ", click again " OK " button, the constraint that the lower surface, outer ring of bearing is applied to all degree of freedom (comprises along X, Y, Z translation of axes degree of freedom and around X, Y, the rotary freedom of Z coordinate axis), as shown in Figure 5,
Secondly, apply respectively axial load, upsetting moment load and apply radial load on the inner ring of bearing on the internal diameter face of cylinder at inner ring;
Concrete operations are as follows: in the interface of ANSYS software, by operation " Main Menu(master menu) → Solution(solves) → Define Loads(define load) → the Apply(loading) → the Structural(structure) → Pressure(pressure) → On Areas(on the whole) ", then eject " Apply PRES on Areas " dialog box, choose the upper surface of bearing inner race with mouse, click " OK " button, eject " Apply PRES on Areas " dialog box, the numerical value of " Load PRES value " is set in dialog box, click again " OK " button, complete the axial loading of bearing.In this way, choose the inner cylinder face of bearing inner race with mouse, complete the radial loaded of bearing;
In the interface of ANSYS software, by operation " Main Menu(master menu) → Solution(solves) → Define Loads(define load) → the Apply(loading) → the Structural(structure) → Force/Moment(power/moment) → On Nodes(is on node) ", then eject " Apply F/M on Nodes " dialog box, choose the upper surface of bearing inner race with mouse, click " OK " button, eject " Apply F/M on Nodes " dialog box, direction and the numerical value of load are set in dialog box, then click " OK " button.After the same method, in the upper surface of bearing inner race, the corresponding radial position of load applies the load of an equal and opposite in direction and opposite direction therewith, realizes that the moment of bearing loads, as shown in Figure 5;
6) set up turntable bearing model is solved under the stress condition of step 5), obtained the load data of all rolling bodys of turntable bearing;
Concrete operations are as follows: in the interface of ANSYS software, by operation " Main Menu(master menu) → Solution(solves) → Solve(solves) → Current LS(solves current load step) ", click " OK " button and carry out solving of finite element model;
After ANSYS has solved, in interface, pass through to operate " Main Menu(master menu) → the general preprocessor of GeneralPostproc() → List Results(list demonstration result) → Nodal Loads(panel load) ", eject " List Nodal Loads " dialog box, choose " All items " in dialog box, click " OK " button and carry out the output of solving result;
7) the maximum load data of utilizing rolling body to be subject to are carried out the safety coefficient of bearing and are calculated
By the calculating that solves to finite element model, obtain all rolling body load datas, the safety coefficient of utilizing these data can carry out bearing is calculated.The rolling body load that accompanying drawing 6 is depicted as the turntable bearing that utilizes the inventive method to calculate distributes, and from figure, data can obtain maximum rolling body load Q
max, according to formula σ
max=190.6 (Q
max∑ ρ/l
w)
0.5can calculate the Maximum Contact stress σ between rolling body and raceway
max.Allowable contact stress [the σ of given turntable bearing material
max]=4000MPa, recycling formula f
s=([σ
max]/σ
max)
2can calculate the safety coefficient of calculating every row's raceway.The implication that in described formula, the parameters symbol means is as follows:
∑ ρ---principal curvatures and function
L
w---roller length
The result of calculation of the inventive method and traditional analytic method is respectively as shown in accompanying drawing 7 and accompanying drawing 8;
By accompanying drawing 7 and accompanying drawing 8, can be drawn, the result that the result of utilizing method provided by the invention to calculate and traditional analytic method calculate is very approaching, and the turntable bearing finite element model of the simplification that this explanation the present invention sets up is rational.
Result of calculation according to the inventive method, the safety coefficient of bearing is the minimum value in safety coefficient in table 1: 16.661, using this coefficient as the bearing type selecting and design the basis for estimation whether met the demands: this bearing safety coefficient is much larger than main frame desired 2.5, can meet the main frame requirement, and comparatively more than needed, this turntable bearing meets the demands.
Claims (2)
1. utilize finite element modeling to judge the method whether turntable bearing meets the demands, set up the model of turntable bearing in the ANSYS finite element software, then apply full degree of freedom constraint on the lower surface, outer ring of the turntable bearing model of setting up, apply on axial load and upsetting moment load and the internal diameter face of cylinder at inner ring and apply radial load in the upper surface of inner ring, then solve the load data of all rolling bodys in obtaining turntable bearing under above stress condition, use load data maximum in all rolling body load datas to calculate the Maximum Contact stress between rolling body and raceway, the allowable contact stress that recycles this Maximum Contact stress and given material calculates the safety coefficient f of raceway
s, by the safety coefficient f of raceway
swith will be satisfied safety coefficient f
s` compares, if f
s>f
s`, this turntable bearing meets the demands,
It is characterized in that: the comprising the steps: of the described model of setting up turntable bearing
1) set up inner ring entity and the outer ring entity of turntable bearing according to the structural parameters of turntable bearing in the ANSYS finite element software;
2) on the basis of step 1), create respectively a key point at the active position of each rolling body and two raceways, every a pair of key point is connected and obtains line segment to replace a rolling body;
3) in step 2) basis on utilize the tetrahedron element SOLID92 in the ANSYS database to carry out the grid division to inner ring and outer ring entity, utilize the bar unit LINK10 in the ANSYS database to carry out the grid division to the line segment that represents rolling body, complete modeling process.
2. the finite element modeling that utilizes according to claim 1 judges the method whether turntable bearing meets the demands, and it is characterized in that: described turntable bearing model inner ring entity and outer ring entity, and its foundation comprises the following steps:
1) set up the key point of turntable bearing axial cross section according to the structural parameters of turntable bearing in the ANSYS finite element software, then connect the outline line that the key point of setting up generates the turntable bearing axial cross section;
2) on the basis of step 1), utilize the parameter of turntable bearing to set up the cross section of turntable bearing inner ring and outer ring, then interior ring cross-section is rotated and scans 360 ° of generation inner ring entities around bearing axis, outer ring cross-section is rotated and scans 360 ° of generation outer ring entities around bearing axis.
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Cited By (9)
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| CN103761350A (en) * | 2013-10-09 | 2014-04-30 | 合肥工业大学 | High speed railway bearing kinetic analysis method |
| CN104732020A (en) * | 2015-03-13 | 2015-06-24 | 河南科技大学 | Check method for six-row-roller turntable bearing of kiloton-grade all-terrain crane |
| CN106560815A (en) * | 2016-02-02 | 2017-04-12 | 梁明轩 | Ball bearing reliability design method |
| CN107239624A (en) * | 2017-06-07 | 2017-10-10 | 重庆大学 | A kind of three-dimensional Atlas Method for studying digger operating device stress characteristics |
| CN107729597A (en) * | 2017-08-29 | 2018-02-23 | 明阳智慧能源集团股份公司 | A kind of main shaft bearing raceway checks instrument |
| CN109033492A (en) * | 2018-05-31 | 2018-12-18 | 辽宁三三工业有限公司 | Shield body Finite Element Simulation Analysis method based on foundation's modulus boundary condition |
| CN109492242A (en) * | 2018-08-30 | 2019-03-19 | 中国船舶重工集团公司第七〇五研究所 | A kind of remote polar coordinates constrained finite element analysis method |
| CN113312823A (en) * | 2021-06-08 | 2021-08-27 | 广州颖力土木科技有限公司 | Finite element post-processing data processing method, system, equipment and storage medium |
| WO2022011723A1 (en) * | 2020-07-17 | 2022-01-20 | 天华化工机械及自动化研究设计院有限公司 | Ansys-based multi-field coupling stress distribution simulation method for high temperature carbonization furnace |
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| CN103761350A (en) * | 2013-10-09 | 2014-04-30 | 合肥工业大学 | High speed railway bearing kinetic analysis method |
| CN104732020A (en) * | 2015-03-13 | 2015-06-24 | 河南科技大学 | Check method for six-row-roller turntable bearing of kiloton-grade all-terrain crane |
| CN104732020B (en) * | 2015-03-13 | 2018-02-02 | 河南科技大学 | The check method of six row roller turntable bearings of kiloton the full Terrain Cranes |
| CN106560815A (en) * | 2016-02-02 | 2017-04-12 | 梁明轩 | Ball bearing reliability design method |
| CN107239624B (en) * | 2017-06-07 | 2020-07-03 | 重庆大学 | Three-dimensional map method for researching stress characteristics of working device of excavator |
| CN107239624A (en) * | 2017-06-07 | 2017-10-10 | 重庆大学 | A kind of three-dimensional Atlas Method for studying digger operating device stress characteristics |
| CN107729597B (en) * | 2017-08-29 | 2021-07-30 | 明阳智慧能源集团股份公司 | Tool for checking main shaft bearing raceway |
| CN107729597A (en) * | 2017-08-29 | 2018-02-23 | 明阳智慧能源集团股份公司 | A kind of main shaft bearing raceway checks instrument |
| CN109033492A (en) * | 2018-05-31 | 2018-12-18 | 辽宁三三工业有限公司 | Shield body Finite Element Simulation Analysis method based on foundation's modulus boundary condition |
| CN109033492B (en) * | 2018-05-31 | 2024-02-02 | 辽宁三三工业有限公司 | Shield finite element simulation analysis method based on foundation reaction modulus boundary condition |
| CN109492242A (en) * | 2018-08-30 | 2019-03-19 | 中国船舶重工集团公司第七〇五研究所 | A kind of remote polar coordinates constrained finite element analysis method |
| CN109492242B (en) * | 2018-08-30 | 2023-04-07 | 中国船舶重工集团公司第七一五研究所 | Long-distance polar coordinate constraint finite element analysis method |
| WO2022011723A1 (en) * | 2020-07-17 | 2022-01-20 | 天华化工机械及自动化研究设计院有限公司 | Ansys-based multi-field coupling stress distribution simulation method for high temperature carbonization furnace |
| CN113312823A (en) * | 2021-06-08 | 2021-08-27 | 广州颖力土木科技有限公司 | Finite element post-processing data processing method, system, equipment and storage medium |
| CN113312823B (en) * | 2021-06-08 | 2023-12-19 | 广州颖力科技有限公司 | Finite element post-processing data processing method, system, equipment and storage medium |
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