CN113569342A - Simulation analysis system for product structural design - Google Patents
Simulation analysis system for product structural design Download PDFInfo
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Abstract
The invention relates to a product structure design simulation analysis system, which comprises an acquisition module, a processing module and a simulation module, wherein the acquisition module is used for acquiring a simulation model, the simulation model comprises at least two structural units, and the acquisition module is connected with the processing module; the processing module is used for carrying out state simulation on the structural units in the simulation model and generating simulation results, and is connected with the judging module; the judging module is used for judging the simulation result and is connected with the output module; the output module is used for outputting a simulation result meeting the requirement, and the reference state of the structural unit can be directly determined from the simulation result. Through the accurate definite to each constitutional unit in the simulation model, improve the simulation effect, in carrying out the mould design process, use the benchmark state to design as the benchmark, improve the accuracy nature of mould design, reduce the change of model frequency.
Description
Technical Field
The invention relates to the technical field of automobile simulation analysis, in particular to a product structure design simulation analysis system.
Background
With the continuous development and progress of economy, the number of automobiles in China is gradually increased, and new challenges are also provided for the manufacture and production of the automobiles.
Generally, for the production of automobile parts, the production of batches of parts needs to be completed by relying on a mold, but the production and the design of the mold are very important, if the mold is not suitable, the mold repair is needed, and the number of times of the mold repair in the mass production stage directly influences the delivery period, so that the time is delayed in the production process, and the delivery is influenced. Therefore, how to reduce the number of times of die repair in the production process becomes a problem which needs to be solved urgently.
Disclosure of Invention
Therefore, the invention provides a product structure design simulation analysis system which can solve the technical problem of high mould repairing times in the existing production.
In order to achieve the above object, the present invention provides a product structure design simulation analysis system, which includes:
the acquisition module is used for acquiring a simulation model, the simulation model comprises at least two structural units, and the acquisition module is connected with the processing module;
the processing module is used for carrying out state simulation on the structural units in the simulation model and generating simulation results, and is connected with the judging module;
the judging module is used for judging the simulation result and is connected with the output module;
the output module is used for outputting a simulation result meeting the requirement, and the reference state of the structural unit can be directly determined from the simulation result.
Further, when the processing module performs state simulation, the processing module divides the simulation model into structure types according to the state to be simulated, generates a plurality of interested regions according to the structure types, sets region boundaries according to the interested regions and the data output range of the simulation result, and takes the boundary of the interested region with the largest region range as the region boundary when the data output ranges of the plurality of interested regions meet the requirements.
Further, when the processing module divides the structure category, the processing module compares the structure chromaticity B of the simulation model with the preset structure chromaticity B0, and determines the structure category according to the comparison result, wherein,
when B < B0, the processing module sets the structure class to A1;
when B ≧ B0, the processing module sets the structure class to A2, sets A2= A1 × [1+ (B-B0)/B0 ];
wherein a1 is the main structural category.
Further, when the processing module sets the region limit, the processing module compares the data output range C of the region of interest and the simulation result with each preset data output range, and sets the region of interest according to the comparison result, wherein,
when C is less than C1, judging the data output range without simulation result in the simulation model;
when C1 is less than or equal to C < C2, the processing module takes the boundary of the region of interest with the largest range in the multiple regions of interest satisfying the region range as a first region of interest;
when C2 is less than or equal to C, the processing module takes the boundary of the region of interest with the largest range in the multiple regions of interest satisfying the range of the region as a second region of interest;
the processing module compares the area ranges corresponding to the interested areas, takes the interested area with the largest graphic area as an area limit, and takes the first interested area as the area limit when no second interested area exists, wherein C1 is a first preset data output range, C2 is a second preset data output range, and 85% < C1 < 95% < C2.
Further, after the selection of the area boundary is completed, the processing module divides the range of the area boundary into a plurality of modifiable sections according to the length of the modifiable unit, the processing module 20 compares the resolution E of the simulation model with a preset resolution E0, and sets the length of the modifiable unit according to the comparison result, wherein,
when E < E0, the processing module sets a modifiable element length to L1;
when E ≧ E0, the processing module sets a modifiable element length to L2, setting L2= L1 × [1+ (E-E0)/E0 ];
wherein L1 is a preset modifiable unit length.
Further, when the processing module sets the length of the modifiable unit, the processing module compares the number N of the structural units with a preset standard number N0, and selects a corresponding length-adjusting coefficient of the modifiable unit according to the comparison result to adjust the set length Li of the modifiable unit, and sets i =1, 2, wherein,
when the processing module selects the j-th modifiable unit length adjustment coefficient mj to adjust the modifiable unit length Li, setting j =1, 2, and setting Li '= Li × mj when the adjusted modifiable unit length is Li',
when N is not more than N0, the processing module selects a first modifiable unit length adjustment coefficient m1 to adjust Li, m1 is a preset value, and m1 is more than 0.9 and less than 1;
when N > N0, the processing module selects a second modifiable unit length adjustment coefficient m2 to adjust Li, setting m2= m1 × [1- (N-N0)/N0 ].
Further, after the length adjustment of the modifiable unit is completed, the processing module compares the actual length Z of the zone boundary with the preset length Z0, and selects a corresponding modifiable unit length correction coefficient according to the comparison result to correct the adjusted modifiable unit length Li', wherein,
when the processing module selects the j-th modifiable unit length correction coefficient rj to correct Li ', j =1, 2 is set, the corrected modifiable unit length is Li' ', Li' '= Li' × rj is set, wherein,
when Z is not more than Z0, the processing module selects a first modifiable unit length correction coefficient r1 to correct Li', wherein r1 is a preset value, and r1 is more than 1 and less than 1.15;
when Z is larger than Z0, the processing module selects a second modifiable unit length correction coefficient r2 to correct Li', and sets r2= r1 x [1+ (Z-Z0)/Z0 ].
Further, after the partition of the modifiable interval is completed, the processing module deletes the edge position of each modifiable interval including the area boundary, the processing module deletes the position part of the area boundary in the modifiable interval, when deleting, the processing module compares the data volume D of the area boundary position with the average data volume D0 of the modifiable interval, and deletes the data volume according to the comparison result, wherein,
when D is less than or equal to D0, deleting no structural unit;
when D is larger than D0, the processing module deletes the structural unit at the area boundary position;
and after the structure units of the modifiable intervals are deleted, the processing module recombines the deleted modifiable intervals and takes the combined structure units as simulation results.
Further, after the processing module generates the simulation result, the determining module compares the average curvature K of the simulation result curve with each preset average curvature, and determines the simulation result according to the comparison result, wherein,
when K is less than K1, the judging module judges that the curvature of the simulation result curve is low and does not meet the requirement;
when K1 is not less than K2, the judging module judges that the curvature of the simulation result curve meets the requirement;
when K2 is less than K, the judging module judges that the curvature of the simulation result curve is high and does not meet the requirement;
wherein K1 is the preset minimum standard curvature, K2 is the preset maximum standard curvature, and K1 is less than K2.
Further, when the curvature of the simulation result curve is judged to be low, the processing module uses the simulation result curve as a zone boundary to repeat the process of dividing the modifiable interval and deleting the structural unit, the average data size is set as Da when the structural unit is deleted, Da = D0 x [1- (K1-K)/K1 ] is set, and after the structural unit is deleted, the judging module repeats the judging process until the simulation result meets the requirement;
when the curvature of the simulation result curve is judged to be high, the processing module takes the simulation result curve as the area boundary to repeat the process of dividing the modifiable interval and deleting the structural unit, the average data volume is set to Db when the structural unit is deleted, Db = D0 x [1- (K-K2)/K2 ] is set, and after the structural unit is deleted, the judging module repeats the judging process until the simulation result meets the requirement.
Compared with the prior art, the simulation method has the advantages that in the process of simulation, each simulation model comprises at least two structural units, the simulation results generated are different through different functions and functions of each structural unit under simulation in different states, so that the states of the structural units corresponding to the simulation results are different according to state simulation judgment, the dominant effect of the structural units on the simulation models is different when the states of the structural units are different, the structural units playing the dominant effect and the auxiliary effect of each simulation model are different under different simulation states, the first structural unit may play the dominant effect under some states, and the second structural unit may play the dominant effect under some states. Through the accurate definite to each constitutional unit in the simulation model, improve the simulation effect, in carrying out the mould design process, use the benchmark state to design as the benchmark, improve the accuracy nature of mould design, reduce the change of model frequency.
In particular, by determining the category of the structural unit in the simulation model, setting the region of interest according to the category, and setting the region of interest on the first structural unit when the first structural unit plays a leading role, and setting the region of interest on the second structural unit when the second structural unit plays a leading role in the simulation model, the data monitoring of the simulation model during state simulation is more accurate through setting the region of interest, the region of interest boundary with the largest data output range is used as the region boundary, and the region boundary is more accurate to determine.
Particularly, the structural type is determined by comparing the structural chromaticity B of the simulation model with the preset structural chromaticity B0, so that the accuracy of the state of the structural unit in the state to be simulated is effectively ensured, and the accuracy of the region of interest is further ensured, thereby further ensuring the accuracy of the region boundary and further improving the accuracy of the output of the simulation structure.
Particularly, the length of the modifiable unit is set by comparing the simulation model resolution E with the preset resolution E0, so that the accuracy of the length of the modifiable unit is further ensured, the accuracy of division of a plurality of modifiable intervals is further ensured, the generation efficiency of the region of interest is improved, and the region boundary is more accurate.
In particular, the actual length Z of the zone boundary is compared with the preset length Z0 to select a corresponding modifiable unit length correction coefficient to correct the adjusted modifiable unit length Li ', and the accuracy of determining the structure type is further ensured and the accuracy of the simulation result is further improved by correcting the modifiable unit length Li'.
Particularly, the average curvature K of the curve of the simulation result is compared with each preset average curvature to judge the simulation result, the reference state output of the structural unit is further ensured through judgment, and the accuracy of the simulation result is further improved.
Drawings
Fig. 1 is a schematic structural diagram of a product structural design simulation analysis system according to an embodiment of the present invention.
Detailed Description
In order that the objects and advantages of the invention will be more clearly understood, the invention is further described below with reference to examples; it should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and do not limit the scope of the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1, a simulation analysis system for product structure design provided by the embodiment of the present invention includes:
the acquisition module 10 is used for acquiring a simulation model, the simulation model comprises at least two structural units, and the acquisition module is connected with the processing module 20;
the processing module 20 is used for performing state simulation on the structural units in the simulation model and generating simulation results, and is connected with the judging module 30;
the judging module 30 is used for judging the simulation result and is connected with the output module 40;
the output module 40 is configured to output a simulation result meeting the requirement, and the reference state of the structural unit can be directly determined from the simulation result.
Specifically, in the simulation analysis system for product structural design provided in the embodiment of the present invention, in the process of performing simulation, each simulation model includes at least two structural units, and the simulation results generated by simulating each structural unit under different states are different, so that the states of the structural units corresponding to the simulation results are determined to be different according to the state simulation, and when the states of the structural units are different, the dominant effect of the structural units on the simulation model is also different, and in different simulation states, the structural units of each simulation model that play a dominant role and an auxiliary role are different, in some states, the first structural unit may play a dominant role, and in some states, the second structural unit may play a dominant role. Through the accurate definite to each constitutional unit in the simulation model, improve the simulation effect, in carrying out the mould design process, use the benchmark state to design as the benchmark, improve the accuracy nature of mould design, reduce the change of model frequency.
Specifically, when the processing module 20 performs state simulation, the processing module divides the simulation model into structure types according to the state to be simulated, generates a plurality of regions of interest according to the structure types, sets a region boundary according to the regions of interest and the data output range of the simulation result, and takes the region boundary with the largest region range as the region boundary when the data output ranges of the plurality of regions of interest meet the requirement.
Specifically, the embodiment of the present invention determines the category of the structural unit in the simulation model, sets the region of interest according to the category, and sets the region of interest on the first structural unit when the first structural unit plays a dominant role, and sets the region of interest on the second structural unit when the second structural unit plays a dominant role in the simulation model.
Specifically, when the processing module 20 divides the structure type, the processing module compares the structure chromaticity B of the simulation model with the preset structure chromaticity B0, and determines the structure type according to the comparison result, wherein,
when B < B0, the processing module sets the structure class to A1;
when B ≧ B0, the processing module sets the structure class to A2, sets A2= A1 × [1+ (B-B0)/B0 ];
wherein a1 is the main structural category.
Specifically, the processing module 20 in this embodiment determines the structure type by comparing the structure chromaticity B of the simulation model with the preset structure chromaticity B0, thereby effectively ensuring the accuracy of the state of the structural unit in the state to be simulated, and further ensuring the accuracy of the region of interest, further ensuring the accuracy of the region boundary, and further improving the accuracy of the output of the simulation structure.
Specifically, when the processing module sets the region boundary, the processing module compares the data output range C of the region of interest and the simulation result with each preset data output range, and sets the region of interest according to the comparison result, wherein,
when C is less than C1, judging the data output range without simulation result in the simulation model;
when C1 is less than or equal to C < C2, the processing module takes the boundary of the region of interest with the largest range in the multiple regions of interest satisfying the region range as a first region of interest;
when C2 is less than or equal to C, the processing module takes the boundary of the region of interest with the largest range in the multiple regions of interest satisfying the range of the region as a second region of interest;
the processing module compares the area ranges corresponding to the interested areas, takes the interested area with the largest graphic area as an area limit, and takes the first interested area as the area limit when no second interested area exists, wherein C1 is a first preset data output range, C2 is a second preset data output range, and 85% < C1 < 95% < C2.
Specifically, after the area boundary is selected, the processing module divides the area boundary into a plurality of modifiable regions according to the length of the modifiable unit, the processing module 20 compares the simulation model resolution E with a preset resolution E0, and sets the length of the modifiable unit according to the comparison result, wherein,
when E < E0, the processing module sets a modifiable element length to L1;
when E ≧ E0, the processing module sets a modifiable element length to L2, setting L2= L1 × [1+ (E-E0)/E0 ];
wherein L1 is a preset modifiable unit length.
Specifically, the processing module of this embodiment sets the length of the modifiable unit by comparing the simulation model resolution E with the preset resolution E0, so as to further ensure the accuracy of the length of the modifiable unit, thereby ensuring the accuracy of the division of the plurality of modifiable intervals, improving the generation efficiency of the region of interest, and making the region boundary more accurate.
Specifically, when the processing module 20 sets the length of the modifiable unit, the processing module compares the number N of the structural units with the preset standard number N0, and selects the corresponding modifiable unit length adjustment coefficient according to the comparison result to adjust the set length Li of the modifiable unit, where i =1, 2 is set,
when the processing module selects the j-th modifiable unit length adjustment coefficient mj to adjust the modifiable unit length Li, setting j =1, 2, and setting Li '= Li × mj when the adjusted modifiable unit length is Li',
when N is not more than N0, the processing module selects a first modifiable unit length adjustment coefficient m1 to adjust Li, m1 is a preset value, and m1 is more than 0.9 and less than 1;
when N > N0, the processing module selects a second modifiable unit length adjustment coefficient m2 to adjust Li, setting m2= m1 × [1- (N-N0)/N0 ].
Specifically, after the length adjustment of the modifiable unit is completed, the processing module compares the actual length Z of the zone boundary with the preset length Z0, and selects a corresponding modifiable unit length correction coefficient according to the comparison result to correct the adjusted modifiable unit length Li', wherein,
when the processing module selects the j-th modifiable unit length correction coefficient rj to correct Li ', j =1, 2 is set, the corrected modifiable unit length is Li' ', Li' '= Li' × rj is set, wherein,
when Z is not more than Z0, the processing module selects a first modifiable unit length correction coefficient r1 to correct Li', wherein r1 is a preset value, and r1 is more than 1 and less than 1.15;
when Z is larger than Z0, the processing module selects a second modifiable unit length correction coefficient r2 to correct Li', and sets r2= r1 x [1+ (Z-Z0)/Z0 ].
Specifically, the processing module of this embodiment compares the actual length Z of the area boundary with the preset length Z0 to select a corresponding modifiable unit length correction coefficient to correct the adjusted modifiable unit length Li ', and further ensures the accuracy of the structure type determination by correcting the modifiable unit length Li', thereby further improving the accuracy of the simulation result.
Specifically, after the partition of the modifiable interval is completed, the processing module deletes the edge position of each modifiable interval including the area boundary, deletes the position of the area boundary in the modifiable interval, compares the data amount D of the area boundary position with the average data amount D0 of the modifiable interval, and deletes the data amount according to the comparison result,
when D is less than or equal to D0, deleting no structural unit;
when D is larger than D0, the processing module deletes the structural unit at the area boundary position;
and after the structure units of the modifiable intervals are deleted, the processing module recombines the deleted modifiable intervals and takes the combined structure units as simulation results.
Specifically, after the processing module generates the simulation result, the determining module compares the average curvature K of the simulation result curve with each preset average curvature, and determines the simulation result according to the comparison result, wherein,
when K is less than K1, the judging module judges that the curvature of the simulation result curve is low and does not meet the requirement;
when K1 is not less than K2, the judging module judges that the curvature of the simulation result curve meets the requirement;
when K2 is less than K, the judging module judges that the curvature of the simulation result curve is high and does not meet the requirement;
wherein K1 is the preset minimum standard curvature, K2 is the preset maximum standard curvature, and K1 is less than K2.
Specifically, the determining module of this embodiment determines the simulation result by comparing the average curvature K of the curve of the simulation result with each preset average curvature, and further ensures the output of the reference state of the structural unit by determining, thereby further improving the accuracy of the simulation result.
Specifically, when the curvature of the simulation result curve is determined to be low, the processing module repeats the process of dividing the modifiable interval and deleting the structural unit by taking the simulation result curve as the area boundary, sets the average data size to Da when deleting the structural unit, sets Da = D0 × [1- (K1-K)/K1 ], and repeats the determination process until the simulation result meets the requirement after deleting the structural unit.
Specifically, when the curvature of the simulation result curve is determined to be high, the processing module repeats the process of dividing the modifiable interval and deleting the structural unit by using the simulation result curve as the area boundary, sets the average data size to Db when deleting the structural unit, sets Db = D0 × [1- (K-K2)/K2 ], and repeats the determination process until the simulation result meets the requirement after deleting the structural unit.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention; various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A product structural design simulation analysis system, comprising:
the acquisition module is used for acquiring a simulation model, the simulation model comprises at least two structural units, and the acquisition module is connected with the processing module;
the processing module is used for carrying out state simulation on the structural units in the simulation model and generating simulation results, and is connected with the judging module;
the judging module is used for judging the simulation result and is connected with the output module;
the output module is used for outputting a simulation result meeting the requirement, and the reference state of the structural unit can be directly determined from the simulation result;
when the processing module carries out state simulation, the processing module divides the simulation model into structure types according to the state to be simulated, generates a plurality of interested areas according to the structure types, sets area boundaries according to the interested areas and the data output range of the simulation result, and takes the boundary of the interested area with the largest area range as the area boundary when the data output ranges of the interested areas meet the requirement.
2. The product structural design simulation analysis system of claim 1,
when the processing module divides the structure types, the processing module compares the structure chroma B of the simulation model with the preset structure chroma B0 and determines the structure types according to the comparison result, wherein,
when B < B0, the processing module sets the structure class to A1;
when B ≧ B0, the processing module sets the structure class to A2, sets A2= A1 × [1+ (B-B0)/B0 ];
wherein a1 is the main structural category.
3. The product structure design simulation analysis system of claim 2, wherein when the processing module sets the region boundary, the processing module compares the data output ranges C of the region of interest and the simulation result with the preset data output ranges, and sets the region of interest according to the comparison result, wherein,
when C is less than C1, judging the data output range without simulation result in the simulation model;
when C1 is less than or equal to C < C2, the processing module takes the boundary of the region of interest with the largest range in the multiple regions of interest satisfying the region range as a first region of interest;
when C2 is less than or equal to C, the processing module takes the boundary of the region of interest with the largest range in the multiple regions of interest satisfying the range of the region as a second region of interest;
the processing module compares the area ranges corresponding to the interested areas, takes the interested area with the largest graphic area as an area limit, and takes the first interested area as the area limit when no second interested area exists, wherein C1 is a first preset data output range, C2 is a second preset data output range, and 85% < C1 < 95% < C2.
4. The product structural design simulation analysis system of claim 3,
after the area boundary is selected, the processing module divides the range of the area boundary into a plurality of modifiable sections according to the length of the modifiable unit, the processing module 20 compares the resolution E of the simulation model with a preset resolution E0, and sets the length of the modifiable unit according to the comparison result, wherein,
when E < E0, the processing module sets a modifiable element length to L1;
when E ≧ E0, the processing module sets a modifiable element length to L2, setting L2= L1 × [1+ (E-E0)/E0 ];
wherein L1 is a preset modifiable unit length.
5. The product structural design simulation analysis system of claim 4,
when the processing module sets the length of the modifiable unit, the processing module compares the number N of the structural units with the preset standard number N0, selects the corresponding length adjustment coefficient of the modifiable unit according to the comparison result to adjust the set length Li of the modifiable unit, and sets i =1, 2, wherein,
when the processing module selects the j-th modifiable unit length adjustment coefficient mj to adjust the modifiable unit length Li, setting j =1, 2, and setting Li '= Li × mj when the adjusted modifiable unit length is Li',
when N is not more than N0, the processing module selects a first modifiable unit length adjustment coefficient m1 to adjust Li, m1 is a preset value, and m1 is more than 0.9 and less than 1;
when N > N0, the processing module selects a second modifiable unit length adjustment coefficient m2 to adjust Li, setting m2= m1 × [1- (N-N0)/N0 ].
6. The product structural design simulation analysis system of claim 5,
after the length adjustment of the modifiable unit is completed, the processing module compares the actual length Z of the zone boundary with a preset length Z0, and selects a corresponding modifiable unit length correction coefficient according to the comparison result to correct the adjusted modifiable unit length Li', wherein,
when the processing module selects the j-th modifiable unit length correction coefficient rj to correct Li ', j =1, 2 is set, the corrected modifiable unit length is Li' ', Li' '= Li' × rj is set, wherein,
when Z is not more than Z0, the processing module selects a first modifiable unit length correction coefficient r1 to correct Li', wherein r1 is a preset value, and r1 is more than 1 and less than 1.15;
when Z is larger than Z0, the processing module selects a second modifiable unit length correction coefficient r2 to correct Li', and sets r2= r1 x [1+ (Z-Z0)/Z0 ].
7. The product structural design simulation analysis system of claim 6,
after the partition of the modifiable interval is completed, the processing module deletes the edge position of each modifiable interval containing the area boundary, the processing module deletes the position part of the area boundary in the modifiable interval, when the deletion is performed, the processing module compares the data volume D of the area boundary position with the average data volume D0 of the modifiable interval, and deletes the data volume according to the comparison result, wherein,
when D is less than or equal to D0, deleting no structural unit;
when D is larger than D0, the processing module deletes the structural unit at the area boundary position;
and after the structure units of the modifiable intervals are deleted, the processing module recombines the deleted modifiable intervals and takes the combined structure units as simulation results.
8. The product structural design simulation analysis system of claim 7,
after the processing module generates a simulation result, the judging module compares the average curvature K of the simulation result curve with each preset average curvature and judges the simulation result according to the comparison result, wherein,
when K is less than K1, the judging module judges that the curvature of the simulation result curve is low and does not meet the requirement;
when K1 is not less than K2, the judging module judges that the curvature of the simulation result curve meets the requirement;
when K2 is less than K, the judging module judges that the curvature of the simulation result curve is high and does not meet the requirement;
wherein K1 is the preset minimum standard curvature, K2 is the preset maximum standard curvature, and K1 is less than K2.
9. The product structure design simulation analysis system of claim 8, wherein when the curvature of the simulation result curve is determined to be low, the processing module repeats the process of dividing the modifiable interval and deleting the structural units by taking the simulation result curve as a region boundary, sets the average data size to Da when deleting the structural units, sets Da = D0 × [1- (K1-K)/K1 ], and after the deletion of the structural units is completed, the determination module repeats the determination process until the simulation result meets the requirement;
when the curvature of the simulation result curve is judged to be high, the processing module takes the simulation result curve as the area boundary to repeat the process of dividing the modifiable interval and deleting the structural unit, the average data volume is set to Db when the structural unit is deleted, Db = D0 x [1- (K-K2)/K2 ] is set, and after the structural unit is deleted, the judging module repeats the judging process until the simulation result meets the requirement.
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