JP6055328B2 - Simulation result processing method and recording medium storing the processing procedure - Google Patents

Description

  The present invention relates to a simulation result processing method capable of easily obtaining a physical quantity at an arbitrary position of an analysis model, and a recording medium storing the processing procedure.

  In recent years, a simulation method for calculating a physical quantity of an analysis object using a computer has been proposed. In such a simulation method, an analysis model obtained by modeling an analysis object with a finite number of elements is input to a computer. Next, the computer performs a step of calculating a predetermined physical quantity using the analysis model. Then, a step in which the computer outputs the calculated physical quantity is performed. Related technologies include the following.

JP 2005-271661 A

  The physical quantity of the analysis model is calculated for each node of each element, for example. For this reason, in order to calculate a physical quantity at an arbitrary position excluding a node, there is a problem that it is necessary to perform complicated interpolation calculation using the physical quantity of each node.

  It is also conceivable to output a contour diagram in which the calculated physical quantity is visualized with color information and evaluate the physical quantity at an arbitrary position. In this contour diagram, physical quantities at positions having no nodes are interpolated and depicted.

  However, in order to evaluate using the contour diagram simply, the operator needs to obtain the physical quantity at the position by comparing the color bar indicating the correspondence between the color information and the physical quantity and the color information at an arbitrary position. Therefore, there was a problem that skill was required.

  The present invention has been devised in view of the actual situation as described above. A simulation result processing method capable of easily obtaining a physical quantity at an arbitrary position of an analysis model, and a recording medium storing the processing procedure are provided. The main purpose is to provide.

  The invention according to claim 1 of the present invention is the step of inputting an analysis model obtained by modeling an object to be analyzed with a finite number of elements to a computer, wherein the computer uses the analysis model to determine a predetermined physical quantity. A step of calculating, wherein the computer associates the physical quantity of the analysis model with the element of the analysis model and outputs visible information visualized with color information; and at least one of the visible information to the computer A step of storing a portion as image data, a step of storing information on the position and color of at least a part of pixels constituting the image data in the computer, and a position of each pixel by the computer, And a processing step for creating secondary information of the visible information based on the information about the color. Characterized in that it comprises a.

  The invention according to claim 2 is the simulation result processing method according to claim 1, wherein the visible information is a contour diagram drawn on the analysis model.

  According to a third aspect of the present invention, the processing step includes a conversion step of converting information relating to the position of each pixel into information relating to the position of the analysis model, information relating to the color of each pixel, and the visible information. The simulation result processing method according to claim 1, further comprising a step of converting the physical quantity into a physical quantity.

  According to a fourth aspect of the present invention, the conversion step calculates a coefficient representing a distance per unit pixel of the image data based on the distance on the visible information and the number of pixels corresponding to the distance. The simulation result processing method according to claim 3, further comprising a step of calculating information related to the position of the analysis model based on the coefficient and the number of pixels.

  The invention according to claim 5 is the simulation result processing method according to any one of claims 1 to 4, further comprising a step of detecting a boundary where information about the color changes in adjacent pixels.

  According to a sixth aspect of the present invention, in the simulation according to any one of the first to fifth aspects, the secondary information is a graph showing a relationship between information relating to the position of the analysis model and a physical quantity at the position. This is a result processing method.

  The invention according to claim 7 is the simulation result processing method according to any one of claims 1 to 6, wherein the analysis object is a tire, and the physical quantity is a contact pressure of a tread portion.

  The invention according to claim 8 is a computer-readable recording medium storing the processing procedure of the simulation result processing method according to any one of claims 1 to 7.

  The simulation result processing method of the present invention includes a step of inputting an analysis model obtained by modeling an object to be analyzed with a finite number of elements to a computer, and a step of calculating a predetermined physical quantity using the analysis model. And a computer associating a physical quantity of the analysis model with an element of the analysis model and outputting visible information visualized with color information. In such visible information, for example, a physical quantity at a position without a node is drawn by interpolation, so that a physical quantity at an arbitrary position of the analysis model can be obtained.

  Further, in the simulation result processing method of the present invention, the step of storing at least a part of the visible information as image data in the computer, and the information regarding the position and the color for at least a part of the pixels constituting the image data in the computer. And a processing step in which the computer creates secondary information of visible information based on information on the position and color of each pixel.

  As described above, in the simulation result processing method of the present invention, it is possible to acquire information regarding the color in which the physical quantity is visualized for each regularly arranged pixel. Furthermore, since the secondary information is created based on the position and color information of each pixel, the physical quantity at an arbitrary position of the analysis model can be easily obtained.

It is a perspective view of a computer and a recording medium which execute a result processing method of this embodiment. It is sectional drawing of the tire which is an analysis target object. It is an expanded view of the tread part of a tire. It is a flowchart which shows the result processing method of this embodiment. It is sectional drawing which visualizes and shows a tire model. It is an expanded view which visualizes and shows the tread part of a tire model. It is a perspective view which visualizes and shows a tire model and a road surface model. It is a figure which shows visible information. It is a figure which shows image data. It is a figure which expands and shows the one part area | region of FIG. It is a flowchart which shows the process step of this embodiment. It is a flowchart which shows the conversion step of this embodiment. It is a figure which expands and shows the one part area | region of FIG. FIG. 10 is a partially enlarged view of FIG. 9. It is a graph which shows the relationship between the information regarding the position of a tire model, and the contact pressure in the position.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
The simulation result processing method of the present embodiment (hereinafter sometimes simply referred to as “result processing method”) is a method for outputting a physical quantity of an analysis object calculated by a computer.

  As shown in FIG. 1, the computer 1 includes a main body 1a, a keyboard 1b, a mouse 1c, and a display device 1d. The main body 1a includes an arithmetic processing unit (CPU), a ROM, a working memory, disk drive devices 1a1 and 1a2 capable of reading a recording medium 2 such as a CD-ROM and a flexible disk, and a storage device such as a magnetic disk ( (Not shown). The processing procedure (program) of the result processing method of the present embodiment is stored in advance in the recording medium 2 or the storage device.

  As FIG. 2 shows, the case where it is the tire 4 is illustrated as the analysis target object 3 of this embodiment. The tire 4 includes a carcass 6 extending from the tread portion 4a through the sidewall portion 4b to the bead core 5 of the bead portion 4c, and a belt layer 7 disposed on the outer side in the tire radial direction of the carcass 6 and inside the tread portion 4a. It has.

  As shown in FIGS. 2 and 3, the tread portion 4 a is provided with a tread surface 9 that contacts the road surface and a groove 10 that is recessed from the tread surface 9. The groove 10 is provided with, for example, a vertical groove 10a extending continuously in the tire circumferential direction and a plurality of horizontal grooves 10b extending in a direction crossing the vertical groove 10a. Moreover, although the case where the vertical groove 10a is a straight groove extending in the tire circumferential direction is shown, it may be a zigzag extending in the tire circumferential direction.

  As shown in FIG. 2, the carcass 6 is composed of at least one carcass ply 6A, in this embodiment, one carcass ply 6A. The carcass ply 6A has a main body portion 6a extending from the tread portion 4a through the sidewall portion 4b to the bead core 5 of the bead portion 4c, and the bead core 5 connected to the main body portion 6a and folded around from the inner side to the outer side in the tire axial direction. And a folded portion 6b. A bead apex rubber 8 extending from the bead core 5 to the outer side in the tire radial direction is disposed between the main body portion 6a and the folded portion 6b. Further, the carcass ply 6A has carcass cords arranged at an angle of, for example, 75 to 90 degrees with respect to the tire equator C.

  The belt layer 7 includes two outer belt plies 7A and 7B, in which belt cords are arranged at an angle of, for example, 10 to 35 degrees with respect to the tire circumferential direction. These belt plies 7A and 7B are configured such that the belt cords are overlapped with each other in a crossing direction.

FIG. 4 shows a specific processing procedure of the result processing method of the present embodiment.
In the present embodiment, first, an analysis model 11 (in this embodiment, a tire model 12) obtained by modeling the tire 4 shown in FIG. 2 is input to the computer 1 (step S1).

  As shown in FIGS. 5 and 6, the tire model 12 is set by modeling (discretizing) the tire 4 shown in FIG. 2 with a finite number of elements F that can be handled by a numerical analysis method. As this numerical analysis method, for example, a finite element method, a finite volume method, a difference method, or a boundary element method can be adopted as appropriate, but in this embodiment, a finite element method is adopted.

  Further, as the element F, for example, a tetrahedral solid element suitable for expressing a complex shape is preferable, but other than this, a pentahedral solid element or a hexahedral solid element may be used. Each element F includes a plurality of nodes 13 (shown in FIG. 6). Moreover, the distance L1 between the adjacent nodes 13 and 13 is set to about 0.2 to 0.8 mm, for example.

  Further, each element F includes an element number, a node 13 number, a coordinate value of the node 13 in the global coordinate system xyz, and material characteristics (for example, density, Young's modulus and / or attenuation coefficient, etc.). Numeric data is defined.

  In the present embodiment, first, the rubber portion 4g including the tread rubber shown in FIG. 2, the carcass ply 6A and the belt plies 7A and 7B are modeled using the element F. Thereby, the tire model 12 having the rubber member model 12a, the carcass ply model 12b, and the belt ply model 12c is set.

  Further, the tire model 12 is provided with a tread surface 16 and a groove 17 in which the tread surface 9 and the groove 10 shown in FIG. 2 are reproduced. The groove 17 of the present embodiment includes a vertical groove 17a and a horizontal groove 17b (shown in FIG. 6) in which the vertical groove 10a and the horizontal groove 10b shown in FIG. 2 are reproduced. The numerical data of the element F constituting the tire model 12 is stored in the computer 1.

  Next, a road surface model obtained by modeling the road surface is input to the computer 1 (step S2). As shown in FIG. 7, the road surface model 19 of the present embodiment is modeled by, for example, an element F of a rigid surface that forms a single plane. Such a road surface model 19 is set as a rigid surface that does not deform even when an external force is applied. Then, the numerical data of the element F constituting the road surface model 19 is stored in the computer 1. The road surface model 19 may be provided with steps, depressions, undulations, or ridges as necessary. The road surface model 19 may be formed on a cylindrical surface like a drum testing machine.

  Next, various conditions including boundary conditions are set in the computer 1 (step S3). The various conditions include, for example, an internal pressure condition of the tire model 12, a rim condition, a load load condition, a camber angle, and a friction coefficient between the tire model 12 and the road surface model 19. These conditions are stored in the computer 1.

  Next, the computer 1 calculates a predetermined physical quantity using the tire model 12 (step S4). In step S4 of the present embodiment, a grounding simulation is performed in which the road surface model 19 is statically grounded without rolling the tire model 12 based on the set conditions. The physical quantity of the tire model 12 calculated by the ground contact simulation is calculated at the node 13 of each element F.

  In the ground contact simulation of the present embodiment, first, as shown in FIG. 5, the rim contact areas 12r and 12r of the tire model 12 are restrained so as not to be deformed. Next, the tire model 12 is forcibly displaced so that the width W of the bead portion 4c of the tire model 12 is equal to the rim width. Further, a tire radial direction distance Rs between the rotating shaft 12s (shown in FIG. 7) of the tire model 12 and the rim contact area 12r is defined to be always equal to the rim radius. Further, an evenly distributed load w corresponding to a predefined internal pressure condition is set on the whole lumen surface of the tire model 12. Under these conditions, the computer 1 performs a balance calculation of the tire model 12. As a result, the rubber member model 12a, the carcass ply model 12b, and the belt ply model 12c of the tire model 12 expand and expand, and the tire model 12 after expansion and deformation is calculated.

  Next, as shown in FIG. 7, the tread portion 4a of the tire model 12 is brought into contact with the road surface model 19, and a predetermined load load condition L is applied to the rotating shaft 12s of the tire model 12 in the vertical direction. The calculated state is calculated. As a result, the tire model 12 deformed by being loaded with the load condition L is calculated. Such a grounding simulation can be calculated using commercially available finite element analysis application software such as LS-DYNA manufactured by LSTC. Then, the contact pressure of the tread portion 4 a obtained by the contact simulation is stored in the computer 1 as a physical quantity of the tire model 12.

  In step S4 of the present embodiment, the physical quantity of the tire model 12 is calculated by the ground contact simulation. For example, the ground contact is calculated by the rolling simulation in which the tire model 12 rolls on the road surface model 19. Pressure may be sought.

  Next, the computer 1 associates the physical quantity of the tire model 12 with the element F of the tire model 12, and outputs visible information visualized with color information (step S5). As shown in FIG. 8, the case where the visible information 21 of the present embodiment is a contour diagram D drawn on the element F of the tread 16 of the tire model 12 shown in FIG. 6 is exemplified.

  In the contour diagram D, different color information 15 is set for each contact pressure in the same range based on the contact pressure calculated at the node 13 of the element F and the contact pressure calculated by interpolation from the contact pressure of the node 13. Is done. As the color information of the contour diagram D of the present embodiment, gray scale (luminance) is adopted, but it goes without saying that it may be a color scale (color). The correspondence between the color information of the contour diagram D and the ground pressure is defined by the color bar Db described in the contour diagram D. The color bar Db indicates that the darker the color, the greater the ground pressure.

  In such a contour diagram, the contact pressure at an arbitrary position of the tread 16 can be obtained without being limited to the position where the node 13 is arranged. The contour diagram D can be obtained using commercially available application software (post processor) such as MATLAB manufactured by MathWorks.

  Next, at least a part of the visible information 21 is stored in the computer 1 as image data (step S6). In step S6 of this embodiment, the visible information 21 including the ground contact surface 22 of the tread portion 4a among the visible information 21 is stored in the computer 1 as the image data 23 shown in FIG.

  As shown in an enlarged view of a part of the region 25 in FIG. 9, the image data 23 is, for example, regularly spaced in the x-axis direction (tire axis direction) and the y-axis direction (tire circumferential direction). It is composed of a plurality of pixels 24 that are arranged in a line. Each pixel 24 can hold color information (for example, including color tone and gradation). The color information of the pixel 24 defines the same color or luminance as the color information 15 (shown in FIG. 8) of the visible information 21 at each position where the image of the visible information 21 is assigned. Therefore, in the image data 23, the visible information 21 can be stored in a state of being divided into pixels 24. Note that only the color information 15 shown in FIG. 8 is stored in the image data 23 of the present embodiment. The format of the image data 23 can be selected as appropriate, such as a bitmap or JPEG.

  Next, information regarding the position and color is stored in the computer 1 for the pixels 24 constituting the image data 23 (step S7). As shown in FIG. 10, the position of the pixel 24 in the present embodiment is based on a pixel 24 (hereinafter, simply referred to as a reference pixel 24 s) arranged at the upper left of all the pixels 24 in the drawing ( 0, 0) are stored as coordinate values (Gx, Gy) of the x-axis (tire axis direction) and y-axis (tire circumferential direction) of the image data 23.

  For example, the same color tone and gradation as the color information of the pixel 24 is set as the information related to the color of the pixel 24. Information on these positions and colors is defined for at least a part of the image data 23, that is, all the pixels 24 in this embodiment, and stored in the computer 1. Such information on the position and color is useful for specifying the position and color information of an arbitrary pixel 24 in the image data 23.

  Next, in the adjacent pixel 24, a boundary where the information regarding the color changes is detected (step S8). As shown in FIG. 9, in step S <b> 8 of the present embodiment, a boundary 28 having different information regarding the colors of adjacent pixels 24 and 24 (shown in FIG. 10) is detected in all the pixels 24. By detecting such a boundary 28, in step S8, a region 31 where the ground pressure is the same can be obtained.

  Further, in step S8, a boundary 28S between the image 21p of the visible information 21 (shown in FIG. 8) and the background 32 (a portion where the ground pressure is 0 in the visible information 21) is obtained. This boundary 28S shows the outline of the contact surface 22 (shown in FIG. 8) of the tire model 12. Thereby, in step S8, the maximum width W2 of the ground plane (boundary 28S) can be obtained in the image data 23. These boundaries 28 are coordinate values specified from the information regarding the position of the pixel 24, and are stored in the computer 1.

  Next, the computer 1 creates secondary information of the visible information 21 (shown in FIG. 8) based on the position and color information of each pixel 24 (processing step S9). FIG. 11 shows a specific processing procedure of the processing step S9 of the present embodiment.

  Information relating to the position of each pixel 24 is converted into information relating to the position of the tire model 12 (shown in FIG. 9) (conversion step S91). FIG. 12 shows a specific processing procedure of the conversion step S91 of this embodiment. In the conversion step S91 of the present embodiment, first, the computer 1 calculates a coefficient representing the distance per unit pixel of the image data 23 (shown in FIG. 10) (step S911).

  In step S911, as shown in FIG. 8, first, the distance on the visible information 21, that is, the maximum width W3 (mm) of the ground plane 22 in this embodiment is obtained. This maximum width W3 is the maximum width of the contact surface in the actual tire 4 (shown in FIG. 2), and can be obtained from the coordinate value defined at the node 13 of the element F.

  Next, as shown in FIG. 9, in the image data 23, the number of pixels (dot) corresponding to the maximum width W3 of the ground contact surface 22 (shown in FIG. 8) of the visible information 21 is specified. This number of pixels can be obtained from the pixels 24 (shown in FIG. 10) constituting the maximum width W2 of the ground plane (boundary 28S) in the image data 23.

  Then, the maximum width W3 (mm) of the ground contact surface 22 of the visible information 21 is divided by the number of pixels (dot) corresponding to the maximum width W3, whereby a coefficient Ca ( For example, 0.357) (mm / dot) can be obtained. For example, the coefficient Ca can be obtained by multiplying an arbitrary number of pixels of the image data 23 to obtain a distance in the tire model 12 (shown in FIG. 8) corresponding to the number of pixels. The coefficient Ca is stored in the computer 1.

Next, information on the position of the tire model 12 (shown in FIG. 8) is calculated based on the coefficient Ca and the number of pixels of the image data 23 (step S912). As shown in FIG. 13, the information regarding the position of the tire model 12 of the present embodiment includes the distance Lx (mm) in the x-axis direction and the distance Ly (mm) in the y-axis direction with reference to the reference pixel 24s. It is defined as the relative distance of each pixel 24 included. Further, the distance Lx in the x-axis direction and the distance Ly in the y-axis direction of each pixel 24 can be obtained by the following formulas (1) and (2).
Lx = Gx × Ca (1)
Ly = Gy × Ca (2)
here,
Gx: x coordinate value of an arbitrary pixel Gy: y coordinate value of an arbitrary pixel

  Gx in the above equation (1) is an x coordinate value (shown in FIG. 10) of each pixel 24. This Gx indicates the number of pixels (including the reference pixel 24s) arranged between each pixel 24 and the reference pixel 24s in the x-axis direction. By multiplying the number of pixels (x coordinate value) Gx by a coefficient Ca representing the distance per unit pixel, the distance Lx in the x-axis direction of each pixel 24 can be obtained as shown in FIG. Similarly, the distance Ly in the y-axis direction of each pixel 24 can be obtained by using the above equation (2). Thus, the actual distance of the tire model 12 is defined as the distances Lx and Ly with reference to the reference pixel 24s. The distances Lx and Ly are obtained for all the pixels 24 of the image data 23 and stored in the computer 1.

  Next, the computer 1 converts information on the color of each pixel 24 into a physical quantity (ground pressure) of the visible information 21 (step S92). As shown in an enlarged view in FIG. 14, in step S92, for each region 31 having the same ground pressure, first, color information of the color bar Db that matches the information about the color of the pixel 24 constituting the region 31 is obtained. Identify. Next, the ground pressure corresponding to the color information of the color bar Db is obtained. Then, the ground pressure of the color bar Db is defined in the pixels 24 constituting each region 31.

  Thereby, in step S92, the information regarding the color of the pixel 24 can be converted into the ground pressure of the visible information 21 in all the pixels 24. Further, in step S92 of the present embodiment, the contact pressure is defined by comparing the information on the color of the pixel 24 with the color information of the color bar Db for each region 31 divided by the boundary 28. Compared with the case where each pixel 24 is defined, the processing time can be greatly shortened. The ground pressure defined for each pixel 24 is stored in the computer 1.

  Next, the secondary information of the visible information 21 is created (step S93). In this step S93, secondary information of the visible information 21 is created based on the information (Lx, Ly) on the position defined for each pixel 24 and the ground pressure.

  In step S93 of the present embodiment, first, at any position in the y-axis direction (tire circumferential direction) of the image data 23, the pixel 24 is linearly aligned in the x-axis direction (tire axial direction) (for example, the straight line 30 in FIG. 9). ) To identify an arbitrary pixel group 29 (shown in FIG. 13). Next, as shown in FIG. 15, a graph 26g having the information (distance Lx) regarding the position of the tire model 12 as the X axis and the contact pressure as the Y axis is defined for each pixel 24 of the pixel group 29. Plot information (Lx, Ly) and contact pressure regarding the location. Thereby, the secondary information 26 which shows the relationship between the information (distance Lx) regarding the position of the tire model 12 and the contact pressure at the position can be created.

  Since such secondary information 26 is created based on the contact pressure obtained for each pixel 24 arranged at equal intervals, the contact pressure at any position where the node 13 of the tire model 12 is not set can be easily obtained. Can be sought. Therefore, in the result processing method of the present invention, as in the prior art, a complicated program for performing complicated interpolation calculation is separately created, or a skilled operator can obtain color information at any position of the color bar Db and the visible information 21. The contact pressure at an arbitrary position of the tire model 12 (shown in FIG. 8) can be easily obtained without comparing the above.

  In the secondary information 26, since the contact pressure at an arbitrary position of the tire model 12 can be obtained as numerical data, it can be easily analyzed using, for example, general spreadsheet software. .

  In order to improve the accuracy of the physical quantity of the secondary information 26, it is desirable to increase the number of color information (color or luminance) of the visible information 21. Thereby, since the visible information 21 can express the physical quantity with more color information, the accuracy of the physical quantity of the secondary information 26 can be improved. From such a viewpoint, the number of color information is preferably 5 or more, more preferably 10 or more. If the number of color information is too large, it may take a long time to convert the information about the color of the pixel 24 into a physical quantity (ground pressure). For this reason, the number of color information is preferably 20 or less. In order to increase the accuracy of the physical quantity in the limited color information, for example, the physical quantity may be converted by dividing each color information into two pieces.

  In order to improve the accuracy of the information related to the position of the tire model in the secondary information 26, it is desirable to reduce the coefficient Ca (mm / dot) representing the distance per unit pixel of the image data 23. Thereby, the information (Lx, Ly) regarding the position of the tire model can be acquired more finely. From such a viewpoint, the coefficient Ca (mm / dot) is preferably 1.5 (mm / dot) or less, more preferably 1.0 (mm / dot) or less.

  Next, it is determined whether the secondary information 26 shown in FIG. 15 is within an allowable range (step S10). If it is determined in step S10 that the secondary information 26 is within the allowable range, the tire 4 is designed based on the tire model 12 (step S11). On the other hand, if it is determined that the secondary information 26 is not within the allowable range, the tire model 12 is redesigned (step S12), and simulation is performed again (steps S1 to S10). As described above, in the present embodiment, the tire model 12 shown in FIGS. 5 and 6 is redesigned until the secondary information 26 falls within the allowable range, so that the tire 4 having excellent performance is efficiently designed. be able to.

  In the present embodiment, the analysis object 3 is a tire 4, but is not limited thereto. In the result processing method of the present invention, any model can be used as long as it is modeled with a finite number of elements F and the physical quantity is calculated.

  Furthermore, in the present embodiment, the case where the physical quantity of the analysis object 3 is the ground pressure of the tread portion 4a is exemplified, but the present invention is not limited to this. For example, a cornering force that is a force parallel to the ground contact surface acting on the tread portion 4a may be used.

  As mentioned above, although especially preferable embodiment of this invention was explained in full detail, this invention is not limited to embodiment of illustration, It can deform | transform and implement in a various aspect.

  According to the procedure shown in FIG. 4, the physical quantity (contact pressure) of the tire model shown in FIGS. 5 and 6 was calculated, and visible information (contour diagram) in which the contact pressure of the tire model was visualized with color information was output. Further, the visible information is stored as image data, and the secondary information (graph) shown in FIG. 15 is created based on the information on the pixel position and color.

  For comparison, the ground pressure at each position of the tire model was determined from the above-described visible information by a skilled operator based on the color bar. Further, secondary information (graph) shown in FIG. 15 was created from the contact pressure at each position determined by the operator (comparative example).

  And in the Example and the comparative example, the time required until secondary information was created from visible information was measured. Common uses are:

Tire size: 225 / 55R17
Coefficient representing distance per unit pixel Ca: 0.357
Image data resolution: 72 dpi

  As a result of the test, the creation time of the example was 7 hours. On the other hand, the creation time of the comparative example was 20 hours. Therefore, in the examples, it was confirmed that the physical quantity at an arbitrary position of the analysis model can be obtained easily and in a short time without requiring skill.

3 Analysis object 11 Analysis model 21 Visible information 23 Image data 24 Pixel 26 Secondary information

Claims (8)

Inputting an analysis model obtained by modeling an object to be analyzed with a finite number of elements to a computer;
The computer calculates a predetermined physical quantity using the analysis model;
The computer associating the physical quantity of the analysis model with the element of the analysis model and outputting visible information visualized with color information;
Storing at least a part of the visible information as image data in the computer;
Storing, in the computer, information relating to position and color for at least some of the pixels constituting the image data; and
The simulation result processing method characterized by including the processing step in which the said computer produces the secondary information of the said visible information based on the information regarding the position of each said pixel and the said color.   The simulation result processing method according to claim 1, wherein the visible information is a contour diagram drawn on the analysis model. The processing step includes a conversion step of converting information about the position of each pixel into information about the position of the analysis model;
The simulation result processing method according to claim 1, further comprising: converting information on the color of each pixel into the physical quantity of the visible information. The converting step calculates a coefficient representing a distance per unit pixel of the image data based on the distance on the visible information and the number of pixels corresponding to the distance; and
The simulation result processing method according to claim 3, further comprising a step of calculating information related to the position of the analysis model based on the coefficient and the number of pixels.   5. The simulation result processing method according to claim 1, further comprising a step of detecting a boundary where information about the color changes in adjacent pixels. 6.   The simulation result processing method according to claim 1, wherein the secondary information is a graph showing a relationship between information on the position of the analysis model and a physical quantity at the position.   The simulation result processing method according to claim 1, wherein the analysis object is a tire, and the physical quantity is a contact pressure of a tread portion.   A computer-readable recording medium storing a processing procedure of the simulation result processing method according to claim 1.