CN109145459A - A kind of weld seam unit generation method and device - Google Patents
A kind of weld seam unit generation method and device Download PDFInfo
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- CN109145459A CN109145459A CN201810979601.XA CN201810979601A CN109145459A CN 109145459 A CN109145459 A CN 109145459A CN 201810979601 A CN201810979601 A CN 201810979601A CN 109145459 A CN109145459 A CN 109145459A
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- G06F30/20—Design optimisation, verification or simulation
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Abstract
This application discloses a kind of weld seam unit generation method and devices, it is first the bonding wire of several basic configurations by bonding wire cutting, the basic configuration includes at least three kinds of shapes, then the bonding wire for being based respectively on each basic configuration generates corresponding Grid Example, all Grid Examples are placed on the relevant position of corresponding structural model, processing is adjusted to the Grid Example placed, so that each Grid Example and the structural model are closely connected, obtains weld seam unit.This method and device are based on the structure feature principle of similitude, for each welding structure, weld seam intersection is divided into several specific basic configurations, weld seam is split according to specific basic configuration, it then can be according to the bonding wire example of pre-configured specific basic configuration, Grid Example is generated in conjunction with the bonding wire after fractionation, it is final to synthesize weld seam unit.It is entire to realize process fast and easy, and it is capable of handling the bonding wire of differing complexity, have good practicability.
Description
Technical field
The present invention relates to welding techniques, and more specifically, it relates to a kind of weld seam unit generation method and devices.
Background technique
Welding procedure is be widely used in mechanical manufacturing field a kind of for being fixedly connected with the process of different structure.
Welding structure have many advantages, such as connectivity it is good, it is light-weight, easy to process, convenient for using automated production, the disadvantage is that bearing
When dynamic loading, concentrated since Geometrical discontinuity is also easy to produce stress, so that welded less reliable.
In order to preferably guarantee welded reliability, for grinding for welded finite element analysis and analysis of fatigue
It is underway always to study carefully work.Using the welded commissure stress state of Finite element arithmetic, extracts structural stress and be used for
Analysis of fatigue is to compare the research method in forward position in recent years.For the stress of simulation commissure true as far as possible, weldering can be extracted
Structural stress at seam needs according to welding angle form and dimension specified in welding procedure to establish weld seam in finite element model.
In the prior art, weld seam unit is generated to realize by emulation technology.Specific simulation analysis, mainly passes through application
The function of business software is realized, but existing business software, not only simulation work low efficiency, and can be only generated simple types
Weld seam unit does not have practical application meaning then for structure is complicated the weld seam of a bit.
Summary of the invention
In view of this, the present invention provides a kind of weld seam unit generation method and device, to realize the quick of weld seam unit
It generates.
To achieve the above object, the invention provides the following technical scheme:
A kind of weld seam unit generation method, comprising:
It is the bonding wire of several basic configurations by bonding wire cutting, the basic configuration includes at least three kinds of shapes；
The bonding wire for being based respectively on each basic configuration generates corresponding Grid Example；
All Grid Examples are placed on the relevant position of corresponding structural model；
Processing is adjusted to the Grid Example placed, so that each Grid Example and the structural model are close
Patch, obtains weld seam unit.
Optionally, the basic configuration include linear type, L shape andShape, then it is described that bonding wire cutting is basic for several
The bonding wire of shape, comprising:
By bonding wire cutting be several include "-" type, L-type and/orThe bonding wire of shape.
Optionally, further includes:
Pre-configured unit example, the unit example include the 2D bonding wire example and 3D bonding wire of each basic configuration
Example.
Optionally, it is described be based respectively on each basic configuration bonding wire generate for Grid Example, comprising:
Bonding wire based on each basic configuration:
It selects to determine the 2D bonding wire example or 3D bonding wire example for corresponding to basic configuration from preconfigured unit example；
Geometry bonding wire, the line segment number phase that the number of the geometry bonding wire includes with the basic configuration are determined within a grid
Together；
Determine that configuration parameter, the configuration parameter include foot welding height, size of mesh opening and azimuthal point position；
The shortest length for determining the geometry bonding wire is calculated based on the configuration parameter；
Cutting is carried out to grid, cutting retains the intersection point of the geometry bonding wire and the most short length since the intersection point
The geometry bonding wire of degree generates Grid Example.
Optionally, processing is adjusted in the described pair of Grid Example placed, comprising:
The Grid Example placed is carried out to be overlapped node and the processing of unit free margins.
A kind of weld seam unit generating means, comprising:
Bonding wire division module, for being the bonding wire of several basic configurations by bonding wire cutting, the basic configuration includes extremely
Few three kinds of shapes；
Grid generation module, the bonding wire for being based respectively on each basic configuration generate corresponding Grid Example；
Grid placement module, for all Grid Examples to be placed on to the relevant position of corresponding structural model；
Weld seam unit determining module, for processing to be adjusted to the Grid Example placed, so that each grid is real
Example is all closely connected with the structural model, obtains weld seam unit.
Optionally, the basic configuration include linear type, L shape andShape, then the bonding wire division module is specifically used for: will
Bonding wire cutting be several include "-" type, L-type and/orThe bonding wire of shape.
Optionally, further includes:
Exemplary configuration module is used for pre-configured unit example, and the unit example includes each basic configuration
2D bonding wire example and 3D bonding wire example.
Optionally, the grid generation module includes:
Example determining module determines the 2D bonding wire example or 3D bonding wire that correspond to basic configuration for selecting from unit example
Example；
Geometry bonding wire determining module, for determining geometry bonding wire, the number of the geometry bonding wire and the base within a grid
The line segment number that this shape includes is identical；
Parameter determination module, for determining that configuration parameter, the configuration parameter include foot welding height, size of mesh opening and orientation
Point position；
Length determination modul, for calculating the shortest length for determining the geometry bonding wire based on the configuration parameter；
Grid generates submodule, and for carrying out cutting to grid, cutting retains the intersection point of the geometry bonding wire and from institute
The geometry bonding wire that intersection point starts the shortest length is stated, Grid Example is generated.
Optionally, the weld seam unit determining module is specifically used for: to the Grid Example placed carry out be overlapped node and
The processing of unit free margins.
It can be seen via above technical scheme that compared with prior art, the embodiment of the invention discloses a kind of weld seam units
Generation method and device, are the bonding wire of several basic configurations by bonding wire cutting first, and the basic configuration includes at least three kinds
Shape, the bonding wire for being then based respectively on each basic configuration generate corresponding Grid Example, all Grid Examples are placed
On the relevant position of corresponding structural model, processing is adjusted to the Grid Example placed, so that each grid is real
Example is all closely connected with the structural model, obtains weld seam unit.This method and device are based on the structure feature principle of similitude, for each
Weld seam intersection is divided into several specific basic configurations, is torn open according to specific basic configuration to weld seam by a welding structure
Point, then grid can be generated in conjunction with the bonding wire after fractionation according to the bonding wire example of pre-configured specific basic configuration
Example, it is final to synthesize weld seam unit.It is entire to realize process fast and easy, and it is capable of handling the bonding wire of differing complexity, have
Good practicability.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of flow chart of weld seam unit generation method disclosed by the embodiments of the present invention；
Fig. 2 is L-type weld seam schematic diagram disclosed by the embodiments of the present invention；
Fig. 3 is disclosed by the embodiments of the present inventionShape weld seam schematic diagram；
Fig. 4 is the flow chart disclosed by the embodiments of the present invention for generating Grid Example；
Fig. 5 is 2D fillet weld cell schematics disclosed by the embodiments of the present invention；
Fig. 6 is 3D fillet weld cell schematics disclosed by the embodiments of the present invention；
Fig. 7 is the flow chart of another weld seam unit generation method disclosed by the embodiments of the present invention；
Fig. 8 is a kind of structural schematic diagram of weld seam unit generating means disclosed by the embodiments of the present invention；
Fig. 9 is the structural schematic diagram of grid generation module disclosed by the embodiments of the present invention；
Figure 10 is the structural schematic diagram of another weld seam unit generating means disclosed by the embodiments of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1 is a kind of flow chart of weld seam unit generation method disclosed by the embodiments of the present invention, shown in Figure 1, weld seam
Unit generation method may include:
Step 101: being the bonding wire of several basic configurations by bonding wire cutting, the basic configuration includes at least three kinds of shapes
Shape.
Under normal circumstances, weld seam intersection can probably be divided into fixed several forms, can be by bonding wire in the present embodiment
Boundary line is divided into three kinds of forms, i.e., "-" type, L-type andShape.Fig. 2 is L-type weld seam schematic diagram disclosed by the embodiments of the present invention, figure
3 be disclosed by the embodiments of the present inventionShape weld seam schematic diagram understands the weld seam of correspondingly-shaped in combination with Fig. 2 and Fig. 3.Based on above-mentioned
The bonding wire of three kinds of basic configurations can carry out any combination in space, form the welding structure of Various Complex.
In the present embodiment, the basic configuration can with but be not limited to include linear type, L shape andShape, then it is described by bonding wire
Cutting be several basic configurations bonding wire, may include: by bonding wire cutting be several include "-" type, L-type and/orShape
Bonding wire.
Bonding wire is first divided into the bonding wire of several basic configurations, it is subsequent for each mark off come bonding wire produce
These Grid Examples are finally correspondingly placed on the corresponding structural model of bonding wire, weld seam unit can be obtained by Grid Example.
Step 102: the bonding wire for being based respectively on each basic configuration generates corresponding Grid Example.
Specifically, Grid Example is generated, it can be first according to the basic configuration of the bonding wire after division, from preconfigured list
The bonding wire example that correspondingly-shaped is called directly in meta-instance, the concrete condition for being then based on bonding wire again carry out accordingly bonding wire example
Adjustment, generate the Grid Example to conform to quality requirements.
Step 103: all Grid Examples being placed on the relevant position of corresponding structural model.
Wherein, the structural model can be generated according to the weld seam.
After the corresponding Grid Example of bonding wire for generating each basic configuration, all Grid Examples are placed on correspondence
Structural model relevant position on, for example,The Grid Example of the bonding wire of shape is placed on thisThe bonding wire of shape divide anteposition in
Corresponding position on the structural model.
Step 104: processing being adjusted to the Grid Example placed, so that each Grid Example and the structure
Model is closely connected, obtains weld seam unit.
Processing is adjusted in the described pair of Grid Example placed, may include: to carry out weight to the Grid Example placed
Close node and the processing of unit free margins.It is both to make net specifically, making each Grid Example and the structural model closely connected
The contour line of lattice example is overlapped with the contour line of structural model.The process for being overlapped node and free margins processing can be, by structure
The node of the node of model and Grid Example is adjacent in the same plane to be fitted together.If node is not completely coincident,
It just will appear Grid Example " free margins ", be equivalent at this and be not soldered.Therefore, in the specific implementation for being overlapped node,
Cooperate the inspection of Grid Example free margins and processing, it finally will be in Grid Example " transplanting " to corresponding structural model.
In the present embodiment, weld seam unit generation method is based on the structure feature principle of similitude, will for each welding structure
Weld seam intersection is divided into several specific basic configurations, is split according to specific basic configuration to weld seam, then can root
According to the bonding wire example of pre-configured specific basic configuration, Grid Example is generated in conjunction with the bonding wire after fractionation, it is final to synthesize
Weld seam unit.It is entire to realize process fast and easy, and it is capable of handling the bonding wire of differing complexity, have good practicability.
In above-described embodiment, the detailed process for generating Grid Example may refer to Fig. 4, and Fig. 4 discloses for the embodiment of the present invention
Generation Grid Example flow chart, can wrap as shown in figure 4, bonding wire based on basic configuration generates corresponding Grid Example
It includes:
Step 401: selecting to determine the 2D bonding wire example of corresponding basic configuration or 3D weldering from preconfigured unit example
Line example.
Fig. 5 is 2D fillet weld cell schematics disclosed by the embodiments of the present invention, in conjunction with Fig. 5, wherein for welding base metal,
Quadrilateral units division is done, toe of weld unit is divided according to foot welding height as defined in welding procedure, does quadrilateral units division, connect
The node of toe of weld unit does weld seam unit, does quadrilateral units division.
Fig. 6 is 3D fillet weld cell schematics disclosed by the embodiments of the present invention, in conjunction with Fig. 6, wherein for welding base metal,
It does at least two layers of hexahedral element to divide, divides toe of weld unit according to foot welding height as defined in welding procedure, do thickness direction six
Face body unit divides, and the node of connection toe of weld unit does weld seam unit, and weld seam unit can be with right and wrong hexahedron.
Step 402: determining geometry bonding wire, the line that the number and the basic configuration of the geometry bonding wire include within a grid
Section number is identical.
Such as in 3D environment, grid is hexahedron, and a vertex is connected with three sides, if the bonding wire after dividing is L-type,
Bonding wire after dividing includes two bonding wire sections, then needs to determine two in three sides that a vertex of grid connects
Side, as geometry bonding wire, it is determined that two geometry bonding wires, two bonding wire sections in L-shaped 3D bonding wire example are respectively superposed true
On two fixed geometry bonding wires.
Step 403: determining that configuration parameter, the configuration parameter include foot welding height, size of mesh opening and azimuthal point position.
After determining configuration parameter, the length and orientation point of cutting geometry bonding wire can be determined according to the configuration parameter
It sets.
Step 404: the shortest length for determining the geometry bonding wire is calculated based on the configuration parameter.
The shortest length for needing to cut geometry bonding wire can be calculated according to size of mesh opening and foot welding height, it is subsequent to meet
Calculate the basic demand of weld stress.
Step 405: cutting being carried out to grid, the intersection point and the institute since the intersection point that cutting retains the geometry bonding wire
The geometry bonding wire of shortest length is stated, Grid Example is generated.
Generate Grid Example after, Grid Example can be placed on the relevant position of counter structure model, it is subsequent with into
One step generates the weld seam unit to conform to quality requirements.
Fig. 7 is the flow chart of another weld seam unit generation method disclosed by the embodiments of the present invention, shown in Figure 7, weldering
Stitching unit generation method may include:
Step 701: pre-configured unit example, the unit example include the 2D bonding wire example of each basic configuration
With 3D bonding wire example.
Step 702: being the bonding wire of several basic configurations by bonding wire cutting, the basic configuration includes at least three kinds of shapes
Shape.
Step 703: according to pre-configured unit example, the bonding wire for being based respectively on each basic configuration, which generates, to be corresponded to
Grid Example.
Step 704: all Grid Examples being placed on the relevant position of corresponding structural model.
Step 705: processing being adjusted to the Grid Example placed, so that each Grid Example and the structure
Model is closely connected, obtains weld seam unit.
In the present embodiment, pre-configured unit example is called directly convenient for subsequent when generating Grid Example, Neng Gou great
It is big to improve the speed for ultimately generating weld seam unit.
For the various method embodiments described above, for simple description, therefore, it is stated as a series of action combinations, but
Be those skilled in the art should understand that, the present invention is not limited by the sequence of acts described because according to the present invention, certain
A little steps can be performed in other orders or simultaneously.Secondly, those skilled in the art should also know that, it is retouched in specification
The embodiment stated belongs to preferred embodiment, and related actions and modules are not necessarily necessary for the present invention.
Method is described in detail in aforementioned present invention disclosed embodiment, diversified forms can be used for method of the invention
Device realize that therefore the invention also discloses a kind of devices, and specific embodiment is given below and is described in detail.
Fig. 8 is a kind of structural schematic diagram of weld seam unit generating means disclosed by the embodiments of the present invention, shown in Figure 8,
Weld seam unit generating means 80 may include:
Bonding wire division module 801, for the bonding wire by bonding wire cutting for several basic configurations, the basic configuration includes
At least three kinds of shapes.
In the present embodiment, the basic configuration can with but be not limited to include linear type, L shape andShape, the then bonding wire
Division module is particularly used in: by bonding wire cutting be several include "-" type, L-type and/orThe bonding wire of shape.
Bonding wire is first divided into the bonding wire of several basic configurations, it is subsequent for each mark off come bonding wire produce
These Grid Examples are finally correspondingly placed on the corresponding structural model of bonding wire, weld seam unit can be obtained by Grid Example.
Grid generation module 802, the bonding wire for being based respectively on each basic configuration generate corresponding Grid Example.
Specifically, Grid Example is generated, it can be first according to the basic configuration of the bonding wire after division, from preconfigured list
The bonding wire example that correspondingly-shaped is called directly in meta-instance, the concrete condition for being then based on bonding wire again carry out accordingly bonding wire example
Adjustment, generate the Grid Example to conform to quality requirements.
Grid placement module 803, for all Grid Examples to be placed on to the relevant position of corresponding structural model.
Wherein, the structural model can be generated according to the weld seam.
After the corresponding Grid Example of bonding wire for generating each basic configuration, all Grid Examples are placed on correspondence
Structural model relevant position on, for example,The Grid Example of the bonding wire of shape is placed on thisThe bonding wire of shape divide anteposition in
Corresponding position on the structural model.
Weld seam unit determining module 804, for processing to be adjusted to the Grid Example placed, so that each grid
Example is all closely connected with the structural model, obtains weld seam unit.
The weld seam unit determining module is particularly used in: carrying out being overlapped node and unit certainly to the Grid Example placed
It is handled by side.It is both the contour line for making Grid Example specifically, making each Grid Example and the structural model closely connected
It is overlapped with the contour line of structural model.The process for being overlapped node and free margins processing can be, by the node and net of structural model
The node of lattice example is adjacent in the same plane to be fitted together.If node is not completely coincident, it just will appear grid reality
Example " free margins " is equivalent at this and is not soldered.Therefore, in the specific implementation for being overlapped node, cooperation Grid Example is certainly
It is looked by frontier inspection and is handled, it finally will be in Grid Example " transplanting " to corresponding structural model.
In the present embodiment, weld seam unit generating means are based on the structure feature principle of similitude, will for each welding structure
Weld seam intersection is divided into several specific basic configurations, is split according to specific basic configuration to weld seam, then can root
According to the bonding wire example of pre-configured specific basic configuration, Grid Example is generated in conjunction with the bonding wire after fractionation, it is final to synthesize
Weld seam unit.It is entire to realize process fast and easy, and it is capable of handling the bonding wire of differing complexity, have good practicability.
Fig. 9 is the structural schematic diagram of grid generation module disclosed by the embodiments of the present invention, shown in Figure 9, the grid
Generation module 802 may include:
Example determining module 901 determines the 2D bonding wire example or 3D that correspond to basic configuration for selecting from unit example
Bonding wire example.
Geometry bonding wire determining module 902, for determining geometry bonding wire within a grid, the number of the geometry bonding wire with it is described
The line segment number that basic configuration includes is identical.
Such as in 3D environment, grid is hexahedron, and a vertex is connected with three sides, if the bonding wire after dividing is L-type,
Bonding wire after dividing includes two bonding wire sections, then needs to determine two in three sides that a vertex of grid connects
Side, as geometry bonding wire, it is determined that two geometry bonding wires, two bonding wire sections in L-shaped 3D bonding wire example are respectively superposed true
On two fixed geometry bonding wires.
Parameter determination module 903, for determining configuration parameter, the configuration parameter include foot welding height, size of mesh opening and
Azimuthal point position.
After determining configuration parameter, the length and orientation point of cutting geometry bonding wire can be determined according to the configuration parameter
It sets.
Length determination modul 904, for calculating the shortest length for determining the geometry bonding wire based on the configuration parameter.
The shortest length for needing to cut geometry bonding wire can be calculated according to size of mesh opening and foot welding height, it is subsequent to meet
Calculate the basic demand of weld stress.
Grid generates submodule 905, for carrying out cutting to grid, cutting retain the geometry bonding wire intersection point and from
The intersection point starts the geometry bonding wire of the shortest length, generates Grid Example.
Generate Grid Example after, Grid Example can be placed on the relevant position of counter structure model, it is subsequent with into
One step generates the weld seam unit to conform to quality requirements.
Figure 10 is the structural schematic diagram of another weld seam unit generating means disclosed by the embodiments of the present invention, referring to Figure 10 institute
Show, weld seam unit generating means 10 may include:
Exemplary configuration module 1001 is used for pre-configured unit example, and the unit example includes each fundamental form
The 2D bonding wire example and 3D bonding wire example of shape.
Bonding wire division module 801, for the bonding wire by bonding wire cutting for several basic configurations, the basic configuration includes
At least three kinds of shapes.
Grid generation module 802, for being based respectively on each basic configuration according to pre-configured unit example
Bonding wire generates corresponding Grid Example.
Grid placement module 803, for all Grid Examples to be placed on to the relevant position of corresponding structural model.
Weld seam unit determining module 804, for processing to be adjusted to the Grid Example placed, so that each grid
Example is all closely connected with the structural model, obtains weld seam unit.
In the present embodiment, pre-configured unit example is called directly convenient for subsequent when generating Grid Example, Neng Gou great
It is big to improve the speed for ultimately generating weld seam unit.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is said referring to method part
It is bright.
It should also be noted that, herein, relational terms such as first and second and the like are used merely to one
Entity or operation are distinguished with another entity or operation, without necessarily requiring or implying between these entities or operation
There are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant are intended to contain
Lid non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The step of method described in conjunction with the examples disclosed in this document or algorithm, can directly be held with hardware, processor
The combination of capable software module or the two is implemented.Software module can be placed in random access memory (RAM), memory, read-only deposit
Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology
In any other form of storage medium well known in field.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of weld seam unit generation method characterized by comprising
It is the bonding wire of several basic configurations by bonding wire cutting, the basic configuration includes at least three kinds of shapes；
The bonding wire for being based respectively on each basic configuration generates corresponding Grid Example；
All Grid Examples are placed on the relevant position of corresponding structural model；
Processing is adjusted to the Grid Example placed, so that each Grid Example and the structural model are closely connected, is obtained
To weld seam unit.
2. weld seam unit generation method according to claim 1, which is characterized in that the basic configuration includes linear type, L
Shape andShape, then it is described by bonding wire cutting be several basic configurations bonding wire, comprising:
By bonding wire cutting be several include "-" type, L-type and/orThe bonding wire of shape.
3. the weld seam unit generation method of institute's data according to claim 1, which is characterized in that further include:
Pre-configured unit example, the unit example include the 2D bonding wire example and 3D bonding wire reality of each basic configuration
Example.
4. weld seam unit generation method according to claim 1, which is characterized in that described to be based respectively on each fundamental form
The bonding wire of shape generate for Grid Example, comprising:
Bonding wire based on each basic configuration:
It selects to determine the 2D bonding wire example or 3D bonding wire example for corresponding to basic configuration from preconfigured unit example；
Geometry bonding wire is determined within a grid, and the number of the geometry bonding wire is identical as the line segment number that the basic configuration includes；
Determine that configuration parameter, the configuration parameter include foot welding height, size of mesh opening and azimuthal point position；
The shortest length for determining the geometry bonding wire is calculated based on the configuration parameter；
Cutting is carried out to grid, the intersection point and the shortest length since the intersection point that cutting retains the geometry bonding wire
Geometry bonding wire generates Grid Example.
5. according to weld seam unit generation method described in right 1, which is characterized in that the described pair of Grid Example placed is adjusted
Processing, comprising:
The Grid Example placed is carried out to be overlapped node and the processing of unit free margins.
6. a kind of weld seam unit generating means characterized by comprising
Bonding wire division module, for being the bonding wire of several basic configurations by bonding wire cutting, the basic configuration includes at least three
Kind shape；
Grid generation module, the bonding wire for being based respectively on each basic configuration generate corresponding Grid Example；
Grid placement module, for all Grid Examples to be placed on to the relevant position of corresponding structural model；
Weld seam unit determining module, for processing to be adjusted to the Grid Example placed, so that each Grid Example
It is closely connected with the structural model, obtain weld seam unit.
7. weld seam unit generating means according to claim 6, which is characterized in that the basic configuration includes linear type, L
Shape andShape, then the bonding wire division module is specifically used for: by bonding wire cutting be several include "-" type, L-type and/orShape
Bonding wire.
8. weld seam unit generating means according to claim 6, which is characterized in that further include:
Exemplary configuration module, is used for pre-configured unit example, and the unit example includes the 2D weldering of each basic configuration
Line example and 3D bonding wire example.
9. weld seam unit generating means according to claim 6, which is characterized in that the grid generation module includes:
Example determining module determines that the 2D bonding wire example of corresponding basic configuration or 3D bonding wire are real for selecting from unit example
Example；
Geometry bonding wire determining module, for determining geometry bonding wire, the number of the geometry bonding wire and the fundamental form within a grid
The line segment number that shape includes is identical；
Parameter determination module, for determining that configuration parameter, the configuration parameter include foot welding height, size of mesh opening and orientation point
It sets；
Length determination modul, for calculating the shortest length for determining the geometry bonding wire based on the configuration parameter；
Grid generates submodule, and for carrying out cutting to grid, cutting retains the intersection point of the geometry bonding wire and from the friendship
Point starts the geometry bonding wire of the shortest length, generates Grid Example.
10. weld seam unit generating means according to claim 6, which is characterized in that the weld seam unit determining module tool
Body is used for: carrying out being overlapped node to the Grid Example placed and unit free margins is handled.
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