KR20190028161A - System and method for file format converting structure model of the modeling program to input file of the soil-structure interaction analysis program - Google Patents

Abstract

The present invention relates to a file format conversion system for converting structure modeling data of a modeling program into an input file of a ground-structure interaction interpretation program, and to a method thereof. The file format conversion system comprises: a modeling unit modeling a structure to be interpreted; an interface unit setting at least one of attribution information, boundary information, load information, and interpretation condition information to be applied to the modeled structure; a modeling data generation unit applying the at least one set information to the modeled structure to generate as structure modeling data; and a file format conversion unit converting the structure modeling data into the input file of the ground-structure interaction interpretation program. Accordingly, the structure modeling data can be conveniently generated, and the input file of the ground-structure interaction interpretation program having different file types can be easily and conveniently generated.

Description

A file format conversion system and method for converting modeling data of a modeling program into an input file of a ground-structure interaction analysis program and a method thereof analysis program}

The present invention relates to a file format conversion system and method for converting structure modeling data of a modeling program into an input file of a ground-structure interaction analysis program.

In general, a modeling program is used as an object for modeling a structure. By using the modeling program, a user can model various types of structures and store the data.

In addition, when designing a structure, it is necessary to design the structure in consideration of the interaction between the structure and the ground and the external force applied to the structure, instead of modeling only the shape of the structure. For this purpose, Has been used.

Meanwhile, the conventional modeling program stores the modeling data of the structure in a predetermined file format. Since the file format of the modeling data is different from the file format of the input file input to the ground-structure interaction analysis program, When the modeling of the structure is completed, the input file of the soil-structure interaction analysis program must be regenerated based on the modeled data.

Therefore, in the process of generating the input file of the soil-structure interaction analysis program, not only time and labor loss occur, but also there is a problem that erroneous data is input or an error occurs.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and it is an object of the present invention to provide a method and system for modeling a structure modeling data, which can easily and conveniently generate an input file of a ground- The object of the present invention is to provide a file format conversion system and method for converting data into an input file of a ground-structure interaction analysis program.

The objects of the present invention are not limited to the above-mentioned objects, and other objects not mentioned can be clearly understood by those skilled in the art from the following description.

According to an aspect of the present invention, there is provided a method of analyzing a structure to be analyzed, the method comprising: a modeling unit for modeling a structure to be analyzed according to user input from a user; An interface unit configured to set at least one of attribute information, boundary information, load information, and analysis condition information to be applied to the modeled structure according to a user input inputted from a user; A modeling data generation unit applying the set at least one information to the modeled structure to generate structure modeling data; And a file format conversion unit for converting the generated structure modeling data into an input file of a ground-structure interaction analysis program and outputting the input file.

In a preferred embodiment, the modeling data generation unit may generate a conversion file having an input file format of the ground-structure interaction analysis program to be converted and having a data table empty, And generates the structure modeling data by applying the data set from the interface unit.

In a preferred embodiment, the modeling data generation unit inputs data for each node of the modeled structure to a data table of the conversion file at the time of generating the structure modeling data, applies attribute information for each node, After inputting the element data of the modeled structure, boundary information, load information and interpretation condition information are applied to each node.

In a preferred embodiment, the attribute information set by the interface unit includes at least one of a material, a frame section, a lumped mass, a spring property, a shell section, It contains information about elements (Spring Element), Finite Element and Infinite Element.

In a preferred embodiment, the boundary information set by the interface unit includes at least one of a finite element-boundary condition (FE-boundary), an infinite element-boundary condition (IE-boundary), a node constraint condition, As shown in FIG.

In a preferred embodiment, the load information set by the interface unit includes at least one of a control motion, a control point, a point load, a written value, and a seismic .

In a preferred embodiment, the analysis condition information set by the interface unit includes at least one of a surface wave, a free field soil layer, a frequency point, a lumped mass, And includes information on element FE meshing, transfer function, and interpolation.

The present invention also provides a file format conversion method performed in a file format conversion system for converting structure modeling data of a modeling program into an input file of a ground-structure interaction analysis program, the method comprising the steps of: (1) Modeling the structure; (2) setting at least one of attribute information, boundary information, load information and interpretation condition information to be applied to the modeled structure by the file format conversion system; (3) the file format conversion system applying the set at least one information to the modeled structure to generate modeling data of the structure; And (4) the file format conversion system converts the generated structure modeling data into an input file of a ground-structure interaction analysis program and outputs the input file.

In a preferred embodiment, in the step (3), the file format conversion system generates a conversion file having an input file format of the ground-structure interaction analysis program to be converted and having a data table empty, And generates the structure modeling data by applying the modeled structure data and the set at least one information to a conversion file.

In a preferred embodiment, in the step (3), the file format conversion system inputs data for each node of the modeled structure into a data table of the conversion file at the time of generating the structure modeling data, After the attribute information is applied to each node, the element data of the modeled structure is input, and then boundary information, load information, and interpretation condition information are applied to each node.

In a preferred embodiment, the property information set in the step (2) includes at least one of a material, a frame section, a lumped mass, a spring property, a shell section, , Spring Element, Finite Element, and Infinite Element.

In a preferred embodiment, the boundary information set in the step (2) includes at least one of FE-boundary, IE-boundary, Release).

In a preferred embodiment, the load information set in the step (2) includes control motion, control point, point load, recorded value, and seismic ). ≪ / RTI >

In a preferred embodiment, the analysis condition information set in the step (2) includes at least one of a surface wave, a free field soil layer, a frequency point, a lumped mass, And includes information on automatic FE meshing, transfer function, and interpolation.

According to an aspect of the present invention, there is provided an information processing apparatus including a modeling unit for modeling a structure to be analyzed, an interface unit for setting at least one of attribute information, boundary information, load information, and analysis condition information to be applied to the modeled structure, A modeling data generation unit for applying at least one set information to the modeled structure to generate the modeled structure data, and a file format conversion unit for converting the structure modeling data into an input file of the ground-structure interaction analysis program, Not only the modeling data can be conveniently generated, but also the input file of the ground-structure interaction analysis program having different file formats can be easily and conveniently generated.

In addition, the present invention can reduce the time and manpower loss in generating an input file of the ground-structure interaction analysis program, and can significantly reduce errors that may occur in the process of generating an input file in a text format.

1 is a diagram for explaining a file format conversion system according to an embodiment of the present invention;
2 is a diagram for explaining a structure modeled by a modeling unit of a file format conversion system;
3 is a diagram for explaining attribute information set by an interface unit of a file format conversion system;
4 is a diagram for explaining boundary information set by an interface unit of a file format conversion system;
5 is a diagram for explaining load information set by an interface unit of a file format conversion system;
6 is a diagram for explaining interpretation condition information set by the interface unit of the file format conversion system;
7 is a diagram for explaining a file format conversion method according to an embodiment of the present invention;

It will be understood by those skilled in the art that the specific details of the invention are set forth in order to provide a thorough understanding of the present invention and that the present invention may be readily practiced without these specific details, It will be clear to those who have.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments according to the present invention will be described in detail with reference to FIGS. 1 to 7, but the present invention will be described with reference to the portions necessary for understanding the operation and operation according to the present invention.

FIG. 1 is a view for explaining a file format conversion system according to an embodiment of the present invention. FIG. 2 is a diagram for explaining a structure modeled by a modeling unit of a file format conversion system, FIG. 4 is a diagram for explaining boundary information set by the interface unit of the file format conversion system, and FIG. 5 is a diagram for explaining boundary information set by the interface unit of the file format conversion system FIG. 6 is a view for explaining interpretation condition information set by the interface unit of the file format conversion system. FIG.

Referring to FIG. 1, a file format conversion system according to an embodiment of the present invention includes a modeling unit 110, an interface unit 120, a modeling data generation unit 130, and a file format conversion unit 140 .

Here, the file type conversion system according to an embodiment of the present invention may be implemented as an executable file itself or an add-on program that provides a function of modeling a structure and storing the file as a predetermined format file.

The modeling unit 110 is for modeling a structure, and performs modeling of a structure to be analyzed using a ground-structure interaction analysis program.

2, the modeling unit 110 generates a structure including points, lines, and surfaces on a two-dimensional space or a three-dimensional space according to a user input inputted from a user, you can model the structure by setting shapes and textures.

Meanwhile, the modeling unit 110 may provide a predetermined interface to which a user input for modeling a structure may be input, or may load data of a model previously modeled.

The interface unit 120 is used to set information to be applied to the modeled structure. The interface unit 120 may be configured by a modeling unit 110 according to a user input inputted from a user through a graphical user interface (GUI) And may include a plurality of setting menus for setting the respective information.

Preferably, each information set through the setting menu of the interface unit 120 or a sub menu to be described later is read in a ground-structure interaction analysis program for analyzing the interaction between the structure and the ground or the external force applied to the structure Information to be executed or applied to the modeled structure. That is, the interface unit 120 performs a function of allowing the user to easily and conveniently set information applied to the ground-structure interaction analysis program, which is another type of program.

In addition, the interface unit 120 includes a general setting menu, a structure model setting menu, a boundary setting menu, a load setting menu, an analysis method setting menu, and an output ) Configuration menu, each configuration menu including at least one sub-menu for detailed configuration or user input.

In addition, the general setting menu of the interface unit 120 may include a sub menu for setting a title, an analysis option, and a unit.

3, the structure model setting menu of the interface unit 120 includes a sub-menu for setting a local coordinate system, an origin coordinate, and a property, The attribute information set in the submenu may be a material, a frame section, a lumped mass, a spring property, a shell section, a spring element, , Finite Element, and Infinite Element.

4, the boundary setting menu of the interface unit 120 may include a finite element boundary condition FE-boundary, an IE-boundary condition, a joint constraint condition, And a submenu for setting boundary information including a condition (Release).

5, the load setting menu of the interface unit 120 may include a control motion, a control point, a point load, a written value, and an earthquake And a submenu for setting the load information including the seismic load. Seismic load, seismic frequency load, seismic time load, ) And a multi-directional seismic load (Seismic Multi Load).

6, the analysis condition setting menu of the interface unit 120 includes a surface wave, a free field soil layer, a frequency point, a lumped mass ), Automatic FE meshing, a transfer function, and an interpolation method.

In addition, the output setting menu of the interface unit 120 may include at least one of a Print Displacement, an Accelerated Displacement Conversion, a Print Member Force / Stress, a Print Reaction, A Result submenu for setting result information including Print Spring Force and Layer Response Spectrum Envelope / Widening, a Print Time History, a Layer Response Function Print And a sub menu for setting print result information including Print FRF, Print Spectra, and AutoCAD DXF plot (Plot Autocad DXF).

Meanwhile, each information set through the setting menu or the submenu of the interface unit 120 may be stored in the database 125 or memory provided in advance, or may be generated and stored as a separate data file.

The modeling data generation unit 130 generates structure modeling data and applies at least one information set by the interface unit 120 to the modeled structure to generate structure modeling data.

That is, the modeling data generation unit 130 generates structure modeling data by applying each information set from the interface unit 120 to the modeled structure, thereby making it possible for the user to more easily generate the modeling data.

For example, the modeling data generation unit 130 may generate a conversion file having an input file format of the ground-structure interaction analysis program to be converted and having a data table empty, and then, based on the conversion file, As shown in FIG. At this time, data of a model modeled by the modeling unit 110 and information set respectively from the interface unit 120 are applied to the conversion file.

Preferably, the modeling data generator 130 inputs data for each node of the modeled structure in the data table of the conversion file when the conversion file is generated, and transmits the attribute information set from the interface unit 120 to each node You will be asked to enter it.

The modeling data generation unit 130 extracts the element data of the modeled structure and converts the element data into an input file format of the ground-structure interaction analysis program, inputs the boundary data, load information And the analysis condition information are applied to each node, structure modeling data based on the conversion file can be generated.

The file format conversion unit 140 is for converting the file format and has a function of converting the structure modeling data generated from the modeling data generation unit 130 into an input file of the ground- .

At this time, the file format conversion unit 140 converts the structure modeling data generated based on the input file format of the ground-structure interaction analysis program into an input file having an extension that can be read and executed in the ground-structure interaction analysis program Can be performed.

That is, since the input file of the ground-structure interaction analysis program in which the file format is completely different is generated by the file format conversion unit 140, even if the user does not directly write the input file of the ground-structure interaction analysis program, So that the input file can be generated.

Accordingly, the file format conversion system according to an embodiment of the present invention can reduce the time and manpower loss to generate an input file of the ground-structure interaction analysis program, It is possible to remarkably reduce the occurrence of errors due to the user's mistakes.

7 is a diagram for explaining a file format conversion method according to an embodiment of the present invention.

Referring to FIG. 7, a file format conversion method performed in a file format conversion system for converting structure modeling data of a modeling program into an input file of a ground-structure interaction analysis program according to an embodiment of the present invention will be described.

However, since the functions performed in the file format conversion method shown in FIG. 7 are all performed in the file format conversion system described with reference to FIGS. 1 to 6, all of the functions described with reference to FIGS. 1 to 6 Function is performed in the file format conversion method according to the preferred embodiment of the present invention, and all the functions described with reference to FIG. 7 are performed in the file format conversion system according to the preferred embodiment of the present invention.

First, the modeling unit models a structure to be analyzed according to a user input inputted from a user (S110).

At this time, a process of creating a structure including points, lines and faces on a two-dimensional space or a three-dimensional space through a modeling unit and setting shapes and textures thereof may be performed.

Next, at least one of attribute information, boundary information, load information, and interpretation condition information to be applied to the structure modeled by the interface unit is set (S120).

At this time, a graphical user interface (GUI) including a plurality of setting menus for setting information is provided in the interface unit, and each information to be applied to the modeled structure according to the input user input is provided .

The interface unit also includes a general setting menu including a submenu for setting a title, an analysis option and a unit, a local coordinate system, a local coordinate system, (FE-Boundary), an infinite element-boundary condition (IE-boundary), a node constraint A boundary setting menu including respective submenus for setting boundary information including a condition, a constraint and a release condition, and a boundary setting menu including a control motion, a control point, A load setting menu including respective submenus for setting load information including a point load, a recorded value and a seismic, an analysis method setting menu, And an output setting menu.

In addition, the attribute information set through the submenu of the structure model setting menu in the interface section includes a material, a frame section, a lumped mass, a spring property, a shell section, Section, a Spring Element, a Finite Element, and an Infinite Element.

The analysis condition information set through the submenu of the setting menu of the analysis method in the interface unit includes surface wave, free field soil layer, frequency point, A lumped mass, an auto FE meshing, a transfer function, and interpolation.

Then, the modeling data generation unit applies at least one piece of information set from the above-described interface unit to the modeled structure to generate structure modeling data (S130).

At this time, the modeling data generation unit first generates a conversion file having an input file format of the ground-structure interaction analysis program to be converted and having a blank data table, and generates a conversion file for each node of the model modeled in the conversion file After inputting the data, the attribute information set from the interface unit is inputted for each node, and the element data of the modeled structure is converted into the input file format of the ground-structure interaction analysis program, , The load information and the analysis condition information are applied to each node to generate the structure modeling data based on the conversion file.

That is, by applying each information set from the interface unit by the modeling data generation unit to the modeled structure, the user can more easily generate the modeling data of the structure.

Next, the file format conversion unit converts the structure modeling data generated from the modeling data generation unit described above into an input file of the ground-structure interaction analysis program and outputs the converted input file (S140).

At this time, the file format conversion unit converts the structure modeling data that can be read and executed by the modeling program into a file of the ground-structure interaction analysis program having a completely different file format and stores it.

Thus, the user can conveniently and accurately generate the input file of the ground-structure interaction analysis program without the hassle of directly writing the input file of the ground-structure interaction analysis program.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the invention.

110: Modeling unit
120:
130: Modeling data generation unit
140: File format conversion unit

Claims (14)

A modeling unit for modeling a structure to be analyzed according to a user input inputted from a user;
An interface unit configured to set at least one of attribute information, boundary information, load information, and analysis condition information to be applied to the modeled structure according to a user input inputted from a user;
A modeling data generation unit applying the set at least one information to the modeled structure to generate structure modeling data; And
And a file format conversion unit for converting the generated structure modeling data into an input file of the ground-structure interaction analysis program and outputting the input file.
The method according to claim 1,
Wherein the modeling data generation unit comprises:
A file for conversion having an input file format of a soil-structure interaction analysis program to be converted and having a data table blank is generated, and then the data of the modeled structure and the information set from the interface section are applied to the conversion file And the structure modeling data is generated.
3. The method of claim 2,
Wherein the modeling data generation unit comprises:
The data for each node of the modeled structure is input to the data table of the conversion file at the time of generating the structure modeling data, the attribute information is applied for each node, the element data of the modeled structure is input, Wherein the boundary information, the load information, and the interpretation condition information are applied to each node.
4. The method according to any one of claims 1 to 3,
Wherein the attribute information set by the interface unit includes:
It is possible to use the material, the frame section, the lumped mass, the spring property, the shell section, the spring element, the finite element and the infinite element Infinite Element ").≪ / RTI >
4. The method according to any one of claims 1 to 3,
Wherein the boundary information set by the interface unit includes:
Wherein the information includes information about a finite element-FE-boundary, an IE-boundary, a node constraint, and a release condition.
4. The method according to any one of claims 1 to 3,
Wherein the load information set by the interface unit includes:
A control point, a control point, a control point, a point load, a recorded value, and an earthquake.
4. The method according to any one of claims 1 to 3,
Wherein the analysis condition information set by the interface unit includes:
Surface Wave, Free Field Soil Layer, Frequency Point, Lumped Mass, Auto FE Meshing, Transfer Function and Interpolation Method And interpolation of the file type information.
A method for converting a modeling data of a modeling program into an input file of a ground-structure interaction analysis program, the method comprising:
(1) modeling the structure to be analyzed by the file format conversion system;
(2) setting at least one of attribute information, boundary information, load information and interpretation condition information to be applied to the modeled structure by the file format conversion system;
(3) the file format conversion system applying the set at least one information to the modeled structure to generate modeling data of the structure; And
(4) The file format conversion system converts the generated structure modeling data into an input file of a ground-structure interaction analysis program and outputs the input file.
9. The method of claim 8,
In the step (3), the file format conversion system may include:
A conversion file having an input file format of a soil-structure interaction analysis program to be converted and having a data table blank is generated, and then the data of the modeled structure and the set at least one information are applied to the conversion file And the structure modeling data is generated.
10. The method of claim 9,
In the step (3), the file format conversion system may include:
The data for each node of the modeled structure is input to the data table of the conversion file at the time of generating the structure modeling data, the attribute information is applied for each node, the element data of the modeled structure is input, Wherein the boundary information, the load information, and the interpretation condition information are applied to each node.
11. The method according to any one of claims 8 to 10,
The attribute information set in the step (2)
It is possible to use the material, the frame section, the lumped mass, the spring property, the shell section, the spring element, the finite element and the infinite element Infinite Element ").≪ / RTI >
11. The method according to any one of claims 8 to 10,
The boundary information set in the step (2)
Wherein the information includes information on a finite element-FE-boundary, an IE-boundary, a node constraint, and a release condition.
11. The method according to any one of claims 8 to 10,
The load information set in the step (2)
A control point, a control point, a control point, a point load, a recorded value, and an earthquake.
11. The method according to any one of claims 8 to 10,
The analysis condition information set in the step (2)
Surface Wave, Free Field Soil Layer, Frequency Point, Lumped Mass, Auto FE Meshing, Transfer Function and Interpolation Method And interpolation of the input image data.

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