CN109800443B - Result extraction and visual modification method based on finite element simulation optimization - Google Patents
Result extraction and visual modification method based on finite element simulation optimization Download PDFInfo
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Abstract
The invention discloses a finite element simulation optimization-based result extraction and visual modification method, and belongs to the technical field of finite element simulation optimization. It comprises the following steps: step one, after obtaining an optimal solution according to initial value optimization solution, returning to a manual designer to extract an optimization result; step two, after the extraction is finished, displaying an optimization result by using an editable plane layout; step three, comparing with the optimized result heat distribution cloud image, and determining whether the extraction result is accurate; and step four, after the optimization result is manually modified, single-step simulation observation of the calculation result is performed. The invention can automatically convert the regularization parameters in the optimization result into the coordinates and the angle parameters of each chip for modification; the modified layout can be simulated and calculated directly by matching with other tools; computer optimization can be combined with manual adjustment in a cyclic manner.
Description
Technical Field
The invention belongs to the technical field of finite element simulation optimization, and particularly relates to a result extraction and visual modification method based on finite element simulation optimization.
Background
In order to improve the optimization efficiency and save the calculation resources, a large number of chips are usually controlled by adopting the regularity parameters, so that the results of automatic optimization are difficult to meet the requirements when some special positions are required to be vacated or part of chip arrangement modes are required to be adjusted, and only the optimized result file can be modified, but the efficiency is low, and whether the modified results meet the requirements cannot be visually seen.
Disclosure of Invention
In order to overcome the defect that an automatic optimization result cannot be modified and the modified result cannot be visually seen in the prior art, the invention provides a finite element simulation optimization-based result extraction and visualization modification method.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a result extraction and visual modification method based on finite element simulation optimization comprises the following steps:
step one, after obtaining an optimal solution according to initial value optimization solution, returning to a manual designer to extract an optimization result;
step two, after the extraction is finished, displaying an optimization result by using an editable plane layout;
step three, comparing with the optimized result heat distribution cloud image, and determining whether the extraction result is accurate;
and step four, after the optimization result is manually modified, single-step simulation observation of the calculation result is performed.
In the first step, the optimized information in the result is read to include the starting angle, the interval angle and the radius, and then the extraction is completed by setting the number and the arrangement mode.
And in the second step, the optimized chip arrangement and size are converted into a visual editable two-dimensional graph.
The beneficial effects are that:
1. the regularization parameters in the optimization result can be automatically converted into coordinates and angle parameters of each chip for modification.
2. The modified layout can be simulated and calculated directly in cooperation with other tools.
3. Computer optimization can be combined with manual adjustment in a cyclic manner.
Drawings
FIG. 1 is a functional flow diagram of the present invention;
fig. 2 is a schematic diagram of a visual chip arrangement in embodiment 1 of the present invention;
FIG. 3 is a thermal distribution cloud chart of the optimized simulation results of embodiment 1 of the present invention;
fig. 4 is a schematic diagram of a chip layout modified in embodiment 1 of the present invention.
Detailed Description
The invention will be further described with reference to the drawings and examples.
According to the finite element simulation optimization-based result extraction and visual modification method, as shown in fig. 1, after an optimal solution is obtained according to initial value optimization solution, a manual designer extraction result can be returned, a result is displayed in a planar layout, the results are modified by artificial increase, decrease, rotation and the like, and single-step simulation observation and calculation are performed.
Example 1
Step one, after the automatic optimization calculation is finished, opening a chip layout device (manual), and clicking a result panel; selecting an optimized result file, wherein the suffix name is OPT; after the reading is successful, the prompt window reminds that the reading is successful, and the specific content of the optimization result is displayed in the right lower corner window; the optimized information such as the starting angle, the interval angle, the radius and the like in the result is read by clicking the previous circle and the next circle, and then the extraction work can be finished by setting the number and the arrangement mode, such as circle number: 2, number: 18, starting angle: 1.16788952, clearance angle: 0.34701958, radius: 10.9144657.
cutting the chip into a layout interface after the extraction is finished, importing a result, and converting the optimized chip arrangement and size into a visual editable two-dimensional graph, such as the chip width: 1, chip length: 1.5, chip height: 1, angle: 0, multiplying power: 10, x-coordinates: 0, y-coordinates: 0, inner diameter: 2.5, outer diameter: 19, turn to the one shown in fig. 2.
Step three, comparing with the optimized result thermal distribution cloud chart shown in fig. 3, it can be found that the chip arrangement positions and the sizes are in one-to-one correspondence, that is, the extraction result is accurate.
And step four, at this time, if other parts such as screws at certain chip positions need to be removed, the results can be deleted, added, rotated and the like to meet the actual conditions, the results are generated as shown in fig. 4, and then the influence of the modified layout on the change of the temperature distribution can be simulated and calculated.
It should be apparent to those skilled in the art that various modifications or variations can be made in the present invention without requiring any inventive effort by those skilled in the art based on the technical solutions of the present invention.
Claims (1)
1. The finite element simulation optimization-based result extraction and visual modification method is characterized by comprising the following steps of:
step one, after obtaining an optimal solution according to initial value optimization solution, returning to a manual designer to extract an optimization result;
step two, after the extraction is finished, the optimized chip arrangement and size are converted into a visual editable two-dimensional graph so as to display an optimization result;
step three, comparing the editable two-dimensional graph with the thermal distribution cloud graph of the optimization result, and determining whether the extracted optimization result is accurate;
step four, when the extracted optimization result is accurate and the optimization result needs to be modified, the single-step simulation observation of the calculation result is carried out after the manual modification of the optimization result is carried out,
in the first step, the optimized information in the optimized result is read, and then the optimized result is extracted through a set number and an arrangement mode, wherein the optimized information comprises a starting angle, a clearance angle and a radius.
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| CN102637228A (en) * | 2012-04-05 | 2012-08-15 | 天津大学 | Serial robot structural design optimization method |
| CN102662657A (en) * | 2012-03-19 | 2012-09-12 | 苏州芯禾电子科技有限公司 | Port network parameter simulation software design method based on visualization operation |
| CN102722621A (en) * | 2011-11-16 | 2012-10-10 | 中国电子科技集团公司第三十八研究所 | Method for visualizing computed result of finite element method |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011096190A (en) * | 2009-11-02 | 2011-05-12 | Japan Science & Technology Agency | Method, apparatus and program for analyzing by finite element method |
| JP2012032849A (en) * | 2010-07-28 | 2012-02-16 | Fuji Electric Co Ltd | Simulation method and apparatus for semiconductor device |
| CN102446231A (en) * | 2010-10-12 | 2012-05-09 | 鸿富锦精密工业（深圳）有限公司 | System and method for optimizing viscose path |
| CN102722621A (en) * | 2011-11-16 | 2012-10-10 | 中国电子科技集团公司第三十八研究所 | Method for visualizing computed result of finite element method |
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| CN102637228A (en) * | 2012-04-05 | 2012-08-15 | 天津大学 | Serial robot structural design optimization method |
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