CN108145975A - A kind of magnetic field forward modeling system and method for three-dimensional motion object - Google Patents

A kind of magnetic field forward modeling system and method for three-dimensional motion object Download PDF

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Publication number
CN108145975A
CN108145975A CN201810113133.8A CN201810113133A CN108145975A CN 108145975 A CN108145975 A CN 108145975A CN 201810113133 A CN201810113133 A CN 201810113133A CN 108145975 A CN108145975 A CN 108145975A
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magnetic field
magnetic
printing
module
forward modeling
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CN108145975B (en
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随阳轶
刘珂
周志坚
夏争辉
刘世斌
毕忠华
贺玮
李林
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Jilin University
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Jilin University
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y50/00—Data acquisition or data processing for additive manufacturing
    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/40—Analysis of texture

Abstract

The magnetic field forward modeling system of the three-dimensional motion object of the present invention, three-dimensional modeling module, printing preprocessing module, printing control model and the magnetic field forward modeling module of the threedimensional model including being used to establish magnetic bodies；The threedimensional model of three-dimensional motion object is established by three-dimensional modeling module and the data of threedimensional model are saved as into stl file；Threedimensional model is sliced by printing preprocessing module, and G code files will be generated；Printing control model is decoded, and interpolation point is taken on printing path G code files；Forward modeling module in magnetic field is by calculating the magnetic field effect of magnetic dipole and the effect superposition of each magnetic dipole being completed magnetic field forward modeling；Operating procedure is simple, and forward modeling spent time and memory are unrelated with the complexity of motion mode and movement.

Description

A kind of magnetic field forward modeling system and method for three-dimensional motion object
Technical field
The present invention relates to magnetic field Forward technology fields, and in particular to a kind of magnetic field forward modeling system of three-dimensional motion object and side Method.
Background technology
Analytic method and method for numerical simulation can be divided into the magnetic field forward modeling method of three-dimensional magnetic object, for shape and distribution The three-dimensional magnetic source of rule can obtain the analytic solutions of Distribution of Magnetic Field with analytic method；And for the magnetic source of shape and complex distribution, it calculates Magnetic field analytic solutions are more difficult, need to calculate by the method for numerical simulation, FInite Element is currently used numerical simulation meter One of calculation method.
Three-dimensional magnetic object may be considered the combination of a large amount of shapes and magnetic moment basic magnet unit of different sizes, these Basic magnet unit can be：Magnetic dipole, rectangular prism, thin slice or polyhedron etc..When the maximum appearance and size of magnet unit During much smaller than the distance between magnet to magnetic field measuring point, basic magnet unit may be regarded as magnetic dipole.Use magnetic dipole formula All units are calculated in the magnetic field of measuring point, magnetic field of the three-dimensional magnetic source at measuring point can be obtained according to magnetic vector principle of stacking.
At present, the finite element analysis softwares such as COMSOL Multiphysics, Ansoft Maxwell can be utilized to calculate three The magnetic field of magnetic source is tieed up, these softwares need to use mobile grid or the again technology of subdivision grid or without adaptive mesh Solution, thus it is complicated for operation in the Distribution of Magnetic Field that three-dimensional motion object surrounding space is calculated using above-mentioned software, and need It expends a large amount of calculating memory and calculates the time.
It the problem of for the magnetic field forward modeling that three-dimensional motion object is carried out using finite element analysis software, proposes a kind of The magnetic field forward modeling method of three-dimensional motion object based on 3D printing technique.
Invention content
It is existing to solve the purpose of the present invention is to provide a kind of magnetic field forward modeling system and method for three-dimensional motion object It is complicated for operation during the Distribution of Magnetic Field of calculating three-dimensional motion object surrounding space, and needs are expended when largely calculating memory and calculating Between the problem of.
To achieve the above object, the technical scheme is that
A kind of magnetic field forward modeling system of three-dimensional motion object, which is characterized in that the three-dimensional including being used to establish magnetic bodies Three-dimensional modeling module, printing preprocessing module, printing control model and the magnetic field forward modeling module of model.
Wherein, the three-dimensional modeling module includes the first modeling unit, the second modeling unit and third modeling unit；
First modeling unit establishes the three-dimensional mould of magnetic bodies by UG NX, AutoCAD, PROE or 3DMAX Type, and the grid of the threedimensional model and data texturing are saved as into stl file；
Second modeling unit establishes the threedimensional model of magnetic bodies by reverse-engineering, and by the threedimensional model Grid and data texturing save as stl file；
The third modeling unit establishes the threedimensional model of magnetic bodies by medical scanning, and by the threedimensional model Grid and data texturing save as stl file.
Wherein, the printing preprocessing module includes slice unit, setting of printing unit, material setting unit, printer Setting unit and code generating unit；
The slice unit carries out the threedimensional model by Slic3r or Cura and according to the data of stl file It is sliced to generate synusia and synusia information；The synusia information includes floor height；
The setting of printing unit is used to set floor height, profile, filling mode, density, filling frequency, print speed, ring Side, shirt rim, backing material, output intent option and the object to being printed each section squeeze out width and carry out advanced setting；
The material setting unit is used to be configured the diameter of printed material；
The printer setup unit is used to set print area, more nozzle printings and G-code codes personalized；
The code generating unit is used for according to synusia information, floor height, profile, filling mode, density, filling frequency, beats Print-out rate, ring side, shirt rim, backing material, output intent option, each section extrusion width information of the object printed, printed material Diameter information, print area and more nozzle printings generation G-code files.
Wherein, the printing control model includes parsing module and printing path interpolating module；
The parsing module G-code files are decoded with obtain printing path starting point coordinate data and Coordinate data and nozzle the spinning information of terminal；
Whether the nozzle spinning information includes determining between 2 points that parsing G-code files obtain according to instruction Spinning.
Wherein, the printing path interpolating module is used to set interpolation precision according to the height of the synusia, and according to institute It states interpolation precision and takes interpolation point on the printing path of 3D printing, to simulate the silking process of 3D printer nozzle.
Wherein, each interpolation point, the starting point and the terminal correspond to a magnetic dipole；
All interpolation point, the starting point and the terminals correspond to a magnetic dipole subgroup；
The magnetic dipole subgroup is used to replace the magnetic material that the 3D printer sprays.
Wherein, the magnetic field forward modeling module includes motion module, computing module and laminating module；
The motion module by the method for coordinate transform complete three-dimension object along X, Y, Z move and around X, Y, The six-freedom motion of the rotation of Z axis；
The computing module is used to calculate in the motion process of the three-dimension object each magnetic dipole in object In the magnetic field effect that observation point generates；
The laminating module is used to complete the effect superposition of each magnetic dipole the magnetic field forward modeling of three-dimensional motion object.
A kind of magnetic field forward modeling method, for the magnetic field forward modeling system of the three-dimensional motion object,
The three-dimensional modeling module passes through UG NX, the artificial modeling software of AutoCAD, PROE, 3DMAX, reverse-engineering or doctor It learns scanning and establishes the threedimensional model of magnetic bodies, and the grid of the threedimensional model and data texturing are saved as into stl file；
The data of stl file are imported Slic3r or Cura and the threedimensional model are carried out by the printing preprocessing module Slice sets floor height during 3D printing, profile, filling mode, density, filling frequency, beats to generate synusia and synusia information Print-out rate, ring side, shirt rim, backing material, output intent option, each section extrusion width information of the object printed, printed material Diameter information, print area and more nozzle printing information, and generate and include the G-code files of above- mentioned information；
The printing control model is decoded the G-code files beginning and end to obtain printing path Coordinate data, according to the height of the synusia set interpolation precision, and according to the interpolation precision 3D printing printing path On take interpolation point, to simulate the silking process of 3D printer nozzle；
Each interpolation point, the starting point and the terminal correspond to a magnetic dipole；All interpolation point, The starting point and the terminal correspond to a magnetic dipole subgroup；The magnetic dipole subgroup is used to replace what the 3D printer sprayed Magnetic material；
For the object being made of a variety of different magnetic components, can by export respectively each component stl file or It is simulated using the method for multiple 3D printing nozzles；
The magnetic field forward modeling module by the method for coordinate transform complete three-dimension object along X, Y, Z move and around The six-freedom motion of the rotation of X, Y, Z axis calculates in the motion process of the three-dimension object each magnetic couple in object The effect of each magnetic dipole is finally being superimposed the magnetic field of completion three-dimensional motion object just by the magnetic field effect that extremely son is generated in observation point It drills.
The invention has the advantages that：
The magnetic field forward modeling system of the three-dimensional motion object of the present invention, three of the threedimensional model including being used to establish magnetic bodies Tie up modeling module, printing preprocessing module, printing control model and magnetic field forward modeling module；
The present invention proposes a kind of magnetic field forward modeling method of three-dimensional motion object, this method tool based on 3D printing technique It has the advantage that：
The threedimensional model of three-dimensional motion object is established by three-dimensional modeling module and the data of threedimensional model are saved as into STL File；
Mould is pre-processed by printing to be sliced threedimensional model, and by synusia information, routing information and filling rate information Generate G-code files；
Printing control model obtains synusia information, routing information and filling by being decoded to the G-code files Rate information；And interpolation point is taken on the printing path of 3D printing according to interpolation, to simulate the silking process of 3D printer nozzle；
Magnetic field forward modeling module by the method for coordinate transform complete three-dimension object along X, Y, Z move and around X, Y, The six-freedom motion of the rotation of Z axis, and the magnetic field effect that each magnetic dipole is generated in observation point is calculated, it finally will be each The magnetic field forward modeling of three-dimensional motion object is completed in the effect superposition of magnetic dipole；
First, entire magnetic field forward modeling process is realized completely by software and machinery equipment automation, in the fortune of three-dimension object Subdivision grid again is not needed to during dynamic, operating procedure is simple, easy to implement, and computational accuracy is not by user's experience how many It influences；
Secondly, the present invention not use mobile grid or the again technology of subdivision grid, and this method is highly practical, forward modeling institute Time-consuming and memory are unrelated with the complexity of motion mode and movement；
In addition, having simple analytical expression based on magnetic dipole, this method is in the multistage tensor for calculating magnetic bodies There is apparent simplicity；
Finally, this method scalability is strong, identical with single body to the magnetic field forward modeling method of multiple three-dimensional motion objects, Multiple three-dimensional motion objects can be easily extended to；
To sum up, the advantages such as the method has simple easily realization, highly practical, scalability is strong.
Description of the drawings
The functional block diagram of the magnetic field forward modeling system of the three-dimensional motion object of Fig. 1 present invention.
The flow chart of the magnetic field forward modeling method of the three-dimensional motion object of Fig. 2 present invention.
The simulation model figure of Fig. 3 the embodiment of the present invention 4.
Drill positive simulation result figure in the magnetic field of Fig. 4 the embodiment of the present invention 4.
1- three-dimensional modeling modules；2- prints preprocessing module；3- printing control models；4- magnetic fields forward modeling module；5- magnetic force Square device；6- spacecrafts；7- momenttum wheels.
Specific embodiment
The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention..
Embodiment 1
The magnetic field forward modeling system of the three-dimensional motion object of the present embodiment 1, the threedimensional model including being used to establish magnetic bodies Three-dimensional modeling module 1, printing preprocessing module 2, printing control model 3 and magnetic field forward modeling module 4.
The three-dimensional modeling module 1 establishes magnetic material by 3 d modeling software, reverse-engineering or medical scanning means The threedimensional model of body；
The printing preprocessing module 2 is sliced threedimensional model, and the relevant synusia information of 3D printing, path are believed Breath and filling rate information generate G-code files；
The printing control model 3 is by decoding G-code files to obtain 3D printing relevant information；
The magnetic field forward modeling module 4 by the effect superposition of each magnetic dipole by completing the magnetic field of three-dimensional motion object just It drills.
Embodiment 2
Further, on the basis of embodiment 1：
The three-dimensional modeling module 1 includes the first modeling unit, the second modeling unit and third modeling unit；
First modeling unit establishes the three-dimensional mould of magnetic bodies by UG NX, AutoCAD, PROE or 3DMAX Type, and the grid of the threedimensional model and data texturing are saved as into stl file；Second modeling unit passes through reverse-engineering The threedimensional model of magnetic bodies is established, and the grid of the threedimensional model and data texturing are saved as into stl file；The third Modeling unit establishes the threedimensional model of magnetic bodies by medical scanning, and the grid of the threedimensional model and data texturing are protected Save as stl file.
Traditional finite element analysis software needs to use mobile grid or again subdivision at the magnetic field for calculating three-dimensional magnetic source The technology of grid, it is complicated for operation in the Distribution of Magnetic Field for calculating three-dimensional motion object surrounding space, and need to expend a large amount of meter It calculates memory and calculates the time；
The present invention can easily establish the threedimensional model of three-dimensional motion object by three-dimensional modeling module, and by three-dimensional mould The grid and data texturing of type save as stl file, and the process operating procedure is simple, and easy to implement, computational accuracy is not used The how many influence of person's experience；
The printing preprocessing module 2 includes slice unit, setting of printing unit, material setting unit, printer setup Unit and code generating unit；The slice unit is by Slic3r or Cura and according to the data of stl file to described Threedimensional model is sliced to generate synusia and synusia information；The synusia information includes floor height；The setting of printing unit is used In setting floor height, profile, filling mode, density, filling frequency, print speed, ring side, shirt rim, backing material, output intent option simultaneously And each section of the object to being printed squeezes out width and carries out advanced setting；The material setting unit is used for printed material Diameter is configured；The printer setup unit is used to set print area, more nozzle printings and G-code codes personalized； The code generating unit is used for according to synusia information, floor height, profile, filling mode, density, filling frequency, print speed, ring Side, shirt rim, backing material, output intent option, the object printed each section squeeze out width information, printed material diameter letter Breath, print area and more nozzle printings generation G-code files.
The printing control model 3 includes parsing module and printing path interpolating module；The parsing module is to the G- Code files are decoded the coordinate data of starting point to obtain printing path and the coordinate data of terminal and nozzle spinning information； The nozzle spinning information includes determining whether to spin between 2 points that parsing G-code files obtain according to instruction.It is described Printing path interpolating module is used to set interpolation precision according to the height of the synusia, and according to the interpolation precision in 3D printing Printing path on take interpolation point, to simulate the silking process of 3D printer nozzle.Each interpolation point, the starting point and institute It states terminal and corresponds to a magnetic dipole；All interpolation point, the starting point and the terminals correspond to a magnetic dipole Group；The magnetic dipole subgroup is used to replace the magnetic material that the 3D printer sprays, and determines that the threedimensional model corresponds to this Magnetic dipole subgroup.
The magnetic field forward modeling module 4 includes motion module, computing module and laminating module；The motion module passes through coordinate The method of transformation complete three-dimension object along X, Y, Z move and the six-freedom motion of rotation around X, Y, Z axis；It is described For calculating, each magnetic dipole generates computing module in observation point in object in the motion process of the three-dimension object Magnetic field effect；The laminating module is used to complete the effect superposition of each magnetic dipole the magnetic field forward modeling of three-dimensional motion object.
The motion module simulates the movement of three-dimension object by the method for coordinate transform；Described in the computing module calculates The three-dimension object magnetic field effect that its magnetic dipole is generated in specified point of observation during exercise, last laminating module is by each magnetic couple Extremely sub magnetic field effect is overlapped, so as to complete the magnetic field forward modeling of three-dimensional motion object.
Embodiment 3
Further, on the basis of embodiment 2：
A kind of magnetic field forward modeling method, for the magnetic field forward modeling system of the three-dimensional motion object,
S1, the three-dimensional modeling module 1 pass through UG NX, the artificial modeling software of AutoCAD, PROE, 3DMAX, reverse-engineering Or medical scanning establishes the threedimensional model of magnetic bodies, and the grid of the threedimensional model and data texturing are saved as STL texts Part；
The data of stl file are imported Slic3r or Cura to the threedimensional model by S2, the printing preprocessing module 2 Floor height, profile, filling mode, density, filling frequency when being sliced to generate synusia and synusia information, and 3D printing being set Rate, print speed, ring side, shirt rim, backing material, output intent option, each section extrusion width information of the object printed, printing Diameter information, print area and the more nozzle printing information of material, and generate the G-code files for including above- mentioned information；
S3, the printing control model 3 are decoded the G-code files starting point and end to obtain printing path Point coordinate data, according to the height of the synusia set interpolation precision, and according to the interpolation precision 3D printing printing Interpolation point is taken on path, to simulate the silking process of 3D printer nozzle；
Each interpolation point, the starting point and the terminal correspond to a magnetic dipole；All interpolation point, The starting point and the terminal correspond to a magnetic dipole subgroup；The magnetic dipole subgroup is used to replace what the 3D printer sprayed Magnetic material；
S4, can be by exporting the stl file of each component for the object being made of a variety of different magnetic components respectively Or it is simulated using the method for multiple 3D printing nozzles；
S5, the magnetic field forward modeling module 4 by the method for coordinate transform complete three-dimension object along X, Y, Z move and Around the six-freedom motion of the rotation of X, Y, Z axis, calculate each described in object in the motion process of the three-dimension object The effect of each magnetic dipole is finally superimposed the magnetic for completing three-dimensional motion object by the magnetic field effect that magnetic dipole is generated in observation point Field forward modeling.
Embodiment 4
In example 4, it chooses in magnetic torquer 5 and momenttum wheel 7 the two spacecrafts 6 and is often used cooperatively and can generate The component of magnetic disturbance is utilized respectively as soft magnetic materials and hard magnetic material
The magnetic field forward modeling method carrys out in forward modeling spacecraft magnetic tester spacecraft 6 and rotates a circle magnetic torque around turntable vertical axis The variation magnetic field that device and momenttum wheel generate at magnetic field probe.
The position of magnetic torquer 5 and momenttum wheel 7 in spacecraft 6 is as shown in Figure 3.Wherein, three momenttum wheels 7 are located at respectively In three reference axis, apart from 6 center equidistance of spacecraft, three magnetic torquers 5 are parallel with reference axis respectively and apart from coordinate Axis equidistance.
It is 1.3Am that magnetic torquer 5, which feels magnetic moment size,2, direction is Changchun earth magnetism field direction；Inner ring with momenttum wheel 7 is near Like the permanent magnet in equivalent bearing, the magnetic moment size generated is 2Am2, direction is in an axial direction.
Implementation steps are as follows：
The model of 7 inner ring of magnetic torquer 5 and momenttum wheel is established with UG NX modeling softwares, and by model data with stl file Form exports；
Obtained stl file is imported into Slic3r Slice Softwares, carries out floor height, filling mode, filling rate, nozzle choosing It the related setting such as selects, and generates G-code files；
Parsing G-code files simultaneously obtain the useful informations such as coordinate value contained therein, and obtaining nozzle using the method for interpolation beats Print each point coordinates in path；
The every bit obtained after interpolation is regarded as a magnetic dipole, is set corresponding to magnetic torquer 5 and the difference of momenttum wheel 7 The magnetic characteristics such as the magnetic moment size of magnetic dipole, direction；
The motion process to be rotated a circle about the z axis using method completion 6 device of space flight of coordinate transform, according to the solution of magnetic dipole Analysis expression formula calculates each magnetic dipole in magnetic torquer 5 during the motion and momenttum wheel 7 and is imitated in the magnetic field that observation point generates Should, then the effect of each magnetic dipole is superimposed, that is, completes the magnetic field forward modeling of 6 magnetic of spacecraft experiment process.
Simulation result is as shown in figure 4, wherein Bx, By, Bz are respectively magnetic torquer 5 and momenttum wheel 7 in magnetic field probe Locate the magnetic induction intensity value generated.
Although above having used general explanation and specific embodiment, the present invention is described in detail, at this On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore, These modifications or improvements without departing from theon the basis of the spirit of the present invention belong to the scope of protection of present invention.

Claims (8)

  1. A kind of 1. magnetic field forward modeling system of three-dimensional motion object, which is characterized in that the three-dimensional mould including being used to establish magnetic bodies Three-dimensional modeling module (1), printing preprocessing module (2), printing control model (3) and the magnetic field forward modeling module (4) of type.
  2. 2. the magnetic field forward modeling system of three-dimensional motion object according to claim 1, which is characterized in that the three-dimensional modeling module (1) including the first modeling unit, the second modeling unit and third modeling unit；
    First modeling unit establishes the threedimensional model of magnetic bodies by UG NX, AutoCAD, PROE or 3DMAX, and The grid of the threedimensional model and data texturing are saved as into stl file；
    Second modeling unit establishes the threedimensional model of magnetic bodies by reverse-engineering, and by the grid of the threedimensional model Stl file is saved as with data texturing；
    The third modeling unit establishes the threedimensional model of magnetic bodies by medical scanning, and by the grid of the threedimensional model Stl file is saved as with data texturing.
  3. 3. the magnetic field forward modeling system of three-dimensional motion object according to claim 2, which is characterized in that the printing pretreatment mould Block (2) includes slice unit, setting of printing unit, material setting unit, printer setup unit and code generating unit；
    The slice unit is sliced the threedimensional model by Slic3r or Cura and according to the data of stl file To generate synusia and synusia information；The synusia information includes floor height；
    The setting of printing unit is used to set floor height, profile, filling mode, density, filling frequency, print speed, ring side, skirt Side, backing material, output intent option and the object to being printed each section squeeze out width and carry out advanced setting；
    The material setting unit is used to be configured the diameter of printed material；
    The printer setup unit is used to set print area, more nozzle printings and G-code codes personalized；
    The code generating unit is used for according to synusia information, floor height, profile, filling mode, density, filling frequency, printing speed Degree, ring side, shirt rim, backing material, output intent option, the object printed each section squeeze out width information, printed material it is straight Diameter information, print area and more nozzle printings generation G-code files.
  4. 4. the magnetic field forward modeling system of three-dimensional motion object according to claim 3, which is characterized in that the printing control model (3) including parsing module and printing path interpolating module；
    The parsing module G-code files are decoded with obtain printing path starting point coordinate data and terminal Coordinate data and nozzle spinning information；
    The nozzle spinning information includes determining whether to spin between 2 points that parsing G-code files obtain according to instruction.
  5. 5. the magnetic field forward modeling system of three-dimensional motion object according to claim 4, which is characterized in that
    The printing path interpolating module is used to set interpolation precision according to the height of the synusia, and according to the interpolation precision Interpolation point is taken on the printing path of 3D printing, to simulate the silking process of 3D printer nozzle.
  6. 6. the magnetic field forward modeling system of three-dimensional motion object according to claim 5, which is characterized in that each interpolation point, The starting point and the terminal correspond to a magnetic dipole；
    All interpolation point, the starting point and the terminals correspond to a magnetic dipole subgroup；
    The magnetic dipole subgroup is used to replace the magnetic material that the 3D printer sprays.
  7. 7. the magnetic field forward modeling system of three-dimensional motion object according to claim 6, which is characterized in that the magnetic field forward modeling module (4) including motion module, computing module and laminating module；
    The motion module completes the moving and around X, Y, Z axis along X, Y, Z of three-dimension object by the method for coordinate transform Rotation six-freedom motion；
    The computing module for calculating, seeing in object in the motion process of the three-dimension object by each magnetic dipole The magnetic field effect that measuring point generates；
    The laminating module is used to complete the effect superposition of each magnetic dipole the magnetic field forward modeling of three-dimensional motion object.
  8. 8. a kind of magnetic field forward modeling method, for the magnetic field forward modeling system of three-dimensional motion object described in claim 1-7 any one, It is characterized in that,
    The three-dimensional modeling module (1) passes through UG NX, the artificial modeling software of AutoCAD, PROE, 3DMAX, reverse-engineering or doctor It learns scanning and establishes the threedimensional model of magnetic bodies, and the grid of the threedimensional model and data texturing are saved as into stl file；
    The data of stl file are imported Slic3r or Cura and the threedimensional model are carried out by the printing preprocessing module (2) Slice sets floor height during 3D printing, profile, filling mode, density, filling frequency, beats to generate synusia and synusia information Print-out rate, ring side, shirt rim, backing material, output intent option, each section extrusion width information of the object printed, printed material Diameter information, print area and more nozzle printing information, and generate and include the G-code files of above- mentioned information；
    The printing control model (3) the G-code files are decoded with obtain printing path beginning and end seat Data are marked, interpolation precision is set, and according to the interpolation precision on the printing path of 3D printing according to the height of the synusia Interpolation point is taken, to simulate the silking process of 3D printer nozzle；
    Each interpolation point, the starting point and the terminal correspond to a magnetic dipole；It is all interpolation point, described Starting point and the terminal correspond to a magnetic dipole subgroup；The magnetic dipole subgroup is used to replace the magnetism that the 3D printer sprays Material；
    It, can be by exporting stl file or the use of each component respectively for the object being made of a variety of different magnetic components The methods of multiple 3D printing nozzles is simulated；
    The magnetic field forward modeling module (4) by the method for coordinate transform complete three-dimension object along X, Y, Z move and around The six-freedom motion of the rotation of X, Y, Z axis calculates in the motion process of the three-dimension object each magnetic couple in object The effect of each magnetic dipole is finally being superimposed the magnetic field of completion three-dimensional motion object just by the magnetic field effect that extremely son is generated in observation point It drills.
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CN110927822A (en) * 2019-12-03 2020-03-27 吉林大学 Method for evaluating accuracy of magnetic gradient tensor obtained by Hilbert transform algorithm
CN111873433A (en) * 2020-06-19 2020-11-03 深圳摩方新材科技有限公司 Resin coating 3D printing method and system
CN112102460A (en) * 2020-09-17 2020-12-18 上海复志信息技术有限公司 3D printing slicing method, device, equipment and storage medium
CN113248933A (en) * 2021-06-15 2021-08-13 吉林大学 Method for tracking texture copy effect

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