Corrugated box drop simulation method and device, terminal equipment and storage medium

Abstract

Embodiments of the present application disclose a corrugated carton drop simulation method, device, terminal equipment and storage medium, the method comprising: establishing a first 3D model of corrugated paper in an unfolded state; simulating the carton folding process on the first 3D model to obtain a second 3D model corresponding to the corrugated carton, the second 3D model including wrinkle characteristics generated by the corrugated paper during the folding process and material performance parameters of the corrugated paper, and the material performance parameters changing with the geometric shape of the corrugated paper; obtaining a product model and a buffer component model, combining the product model and the buffer component model with the second 3D model to obtain a target 3D model; and performing drop simulation testing on the target 3D model to obtain drop damage analysis results of the corrugated carton. Embodiments of the present application solve the technical problem of low accuracy of drop simulation testing of corrugated cartons in the prior art.

Description

TECHNICAL FIELD

[0001] Embodiments of the present application relate to the field of simulation, and in particular to a corrugated box drop simulation method and device, a terminal device, and a storage medium. BACKGROUND

[0002] In order to protect the product after it leaves the factory, the product is generally packaged during transportation. At present, corrugated boxes are generally used for packaging products. However, the packaging of corrugated boxes needs to be tested for drop to improve and ensure that it can fully protect the product. In the process of drop simulation testing of corrugated boxes, the geometric characteristics and anisotropic material characteristics of corrugated boxes are ignored, and the geometric features and material features of the corners of corrugated boxes are also not considered, resulting in that the drop simulation test result of the corrugated box cannot be close to the real drop situation, and the accuracy of the drop simulation test is low. SUMMARY

[0003] Embodiments of the present application provide a corrugated box drop simulation method, device, terminal device, and storage medium, which solve the technical problem of low accuracy of the drop simulation test of the corrugated box in the prior art.

[0004] In a first aspect, embodiments of the present application provide a corrugated box drop simulation method, comprising:

[0005] establishing a first 3D model of corrugated paper in an unfolded state;

[0006] simulating a box folding process of the first 3D model to obtain a second 3D model corresponding to the corrugated box, the second 3D model including a corrugation feature generated in the folding process of the corrugated paper and a material performance parameter of the corrugated paper, and the material performance parameter changes with the geometric shape of the corrugated paper;

[0007] obtaining a product model and a buffer component model, combining the product model and the buffer component model with the second 3D model to obtain a target 3D model;

[0008] performing drop simulation testing on the target 3D model to obtain a drop damage analysis result of the corrugated box.

[0009] In a second aspect, embodiments of the present application provide a corrugated box drop simulation device, comprising:

[0010] a first model establishing module configured to establish a first 3D model of corrugated paper in an unfolded state;

[0011] a second model establishing module, configured to simulate a carton folding process of the first 3D model to obtain a second 3D model corresponding to the corrugated carton, the second 3D model including a corrugation feature generated in the folding process of the corrugated paper and a material performance parameter of the corrugated paper, and the material performance parameter varying with a geometric shape of the corrugated paper;

[0012] a carton assembling module, configured to obtain a product model and a buffer component model, and combine the product model and the buffer component model with the second 3D model to obtain a target 3D model;

[0013] a drop simulation module, configured to perform drop simulation testing on the target 3D model to obtain a drop damage analysis result of the corrugated carton.

[0014] In a third aspect, an embodiment of the present application provides a terminal device, which includes a processor and a memory;

[0015] The memory is configured to store a computer program and transmit the computer program to the processor;

[0016] The processor is configured to execute a corrugated carton drop simulation method according to an instruction in the computer program.

[0017] In a fourth aspect, an embodiment of the present application provides a storage medium storing computer executable instructions, which, when executed by a computer processor, are configured to execute a corrugated carton drop simulation method according to the first aspect.

[0018] In the above, in the embodiment of the present application, the finite element analysis method is used to simulate the whole process of the corrugated carton drop. When the second 3D model corresponding to the corrugated carton is established, the corrugation feature and the material performance at the corners of the corrugated carton are truly restored, which greatly improves the accuracy of the drop simulation testing of the corrugated carton, especially the drop simulation at the corners. Secondly, after the second 3D model, the product model and the buffer component are combined for drop simulation testing, the damage of the corrugated carton in the drop process and the buffer protection effect of the corrugated carton on the product can be accurately obtained. The embodiment of the present application improves the accuracy of the drop simulation testing of the corrugated carton, and solves the technical problem of low accuracy of the drop simulation testing of the corrugated carton due to the fact that the existing technology does not consider the corrugation and other geometric features and material features at the corners of the corrugated carton. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 A flowchart of a corrugated carton drop simulation method provided by an embodiment of the present application.

[0020] Figure 2A cross-sectional view of a corrugated paper provided for an embodiment of the present application.

[0021] Figure 3 A schematic view of a first 3D model provided for an embodiment of the present application.

[0022] Figure 4 A schematic view of a second 3D model provided for an embodiment of the present application.

[0023] Figure 5 A schematic view of a target 3D model provided for an embodiment of the present application.

[0024] Figure 6 A schematic view of a drop simulation test on a target 3D model provided for an embodiment of the present application.

[0025] Figure 7 A flowchart of another corrugated paper box drop simulation method provided for an embodiment of the present application.

[0026] Figure 8 Another cross-sectional view of a corrugated paper provided for an embodiment of the present application.

[0027] Figure 9 A schematic view of establishing a system coordinate system in a first 3D model of a corrugated paper provided for an embodiment of the present application.

[0028] Figure 10 A schematic view of a carton folding simulation and carton sealing simulation on a first 3D model provided for an embodiment of the present application.

[0029] Figure 11 A structural schematic view of a corrugated paper box drop simulation device provided for an embodiment of the present application.

[0030] Figure 12 A structural schematic view of a terminal device provided for an embodiment of the present application.

[0031] Reference signs:

[0032] Buffer component model 1, product model 2, facial tissue 10, corrugated paper 20. DETAILED DESCRIPTION

[0033] The following description and accompanying drawings fully illustrate specific embodiments of this application to enable those skilled in the art to practice them. The embodiments represent only possible variations. Individual components and functions are optional unless explicitly required, and the order of operation may vary. Parts and features of some embodiments may be included in or replace parts and features of other embodiments. The scope of embodiments of this application includes the entire scope of the claims and all available equivalents of the claims. In this document, each embodiment may be referred to individually or collectively by the term "invention," which is merely for convenience and is not intended to automatically limit the scope of the application to any single invention or inventive concept if more than one invention is disclosed. Relational terms such as "first" and "second" are used herein only to distinguish one entity or operation from another, without requiring or implying any actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed. The various embodiments in this document are described in a progressive manner, with each embodiment focusing on its differences from other embodiments. Similar or identical parts between embodiments can be referred to interchangeably. For the structures, products, etc., disclosed in the embodiments, since they correspond to the disclosed parts, the descriptions are relatively simple; relevant details can be found in the method section.

[0034] like Figure 1 As shown, Figure 1 This is a flowchart illustrating a corrugated cardboard box drop simulation method provided in an embodiment of the present invention. The corrugated cardboard box drop simulation method provided in this embodiment can be executed by a cross-cloud platform resource scheduling device. This cross-cloud platform resource scheduling device can be implemented through software and / or hardware. The device can consist of two or more physical entities, or it can consist of a single physical entity. For example, the cross-cloud platform resource scheduling device can be a computer, a host computer, a tablet, or other devices. The method includes the following steps:

[0035] Step 101: Create the first 3D model of the corrugated paper in its unfolded state.

[0036] In this embodiment, the first step is to create a first 3D model of the corrugated paper in its unfolded state. The structure of the corrugated paper is as follows: Figure 2As shown, the corrugated paper is a plate-shaped object which is formed by bonding the face paper 10 and the corrugated wave 20 which is formed by corrugated roller processing. When the first 3D model is established, the 3D model corresponding to the face paper and the 3D model corresponding to the corrugated wave can be established first, and then the 3D model of the face paper and the 3D model of the corrugated wave are spliced and combined, so as to obtain the first 3D model of the corrugated paper in the unfolded state. In an embodiment, the first 3D model is as shown in FIG. 2. Figure 3

[0037] Step 102, simulating the carton folding process on the first 3D model to obtain a second 3D model corresponding to the corrugated carton, the second 3D model including the wrinkle features generated in the folding process of the corrugated paper and the material performance parameters of the corrugated paper, and the material performance parameters change with the geometric shape of the corrugated paper.

[0038] After obtaining the first 3D model of the corrugated paper in the unfolded state, the first 3D model is further simulated in the folding process. Specifically, in an embodiment, an analysis item Model-1 can be established in the finite element analysis software ABAQUS, and the first 3D model of the corrugated paper in the unfolded state is imported. Then, according to the folding process of the carton, the first 3D model is simulated in the carton folding process, so as to obtain the second 3D model corresponding to the corrugated paper, as shown in FIG. 3. In addition, it needs to be further explained that in this embodiment, the second 3D model includes the wrinkle features generated at the corners of the corrugated paper in the folding process and the material performance parameters of the corrugated paper, and the material performance parameters at different positions of the corrugated paper will change with the geometric shape of the corrugated paper. It can be understood that when the corrugated paper is folded, the material performance of the folded part of the corrugated paper will change accordingly, and at this time the material performance parameters of the folded part will be updated with the shape after folding. Figure 4

[0039] Step 103, obtaining a product model and a buffer component model, combining the product model and the buffer component model with the second 3D model to obtain a target 3D model.

[0040] ​​After the simulation of the carton folding process on the first 3D model, the second 3D model corresponding to the corrugated carton is obtained. Then, the second 3D model can be further transmitted to the finite element simulation software, and the product model corresponding to the product to be placed in the corrugated carton and the buffer component model corresponding to the buffer component (such as anti-collision foam) wrapped outside the product are obtained in the finite element software. Then, the product model and the buffer component model are assembled into the second 3D model according to the actual assembly relationship to obtain the target 3D model. For example, after obtaining the finite element analysis model in the finite element analysis software ABAQUS, the analysis item Model-2 is established in the finite element analysis software ABAQUS as a packaging drop analysis file, and the restart (Restart) setting is performed, so that the second 3D model is imported into the packaging drop analysis file as the initial state model of the corrugated carton. Specifically, the data required for analysis of the second 3D model can be imported into the packaging drop analysis item by Model-Copy objects, and the odb file including the data of the second 3D model is imported into the initial state (Initial State) setting of the corrugated carton by Create Predefined Field, thereby completing the data transmission of the corrugated carton. Then, the product model and the component model are imported into the packaging drop analysis file and assembled with the second 3D model to obtain the target 3D model, as shown in FIG. 8, where 1 is the buffer component model, 2 is the product model, the buffer component model 1 is wrapped outside the product model 2, and then the wrapped product model is imported into the second 3D model. Figure 5

[0041] Step 104, performing drop simulation test on the target 3D model to obtain the drop damage analysis result of the corrugated carton.

[0042] Finally, in the finite element analysis software, the drop simulation test is performed on the target 3D model to obtain the drop damage analysis result of the corrugated carton. For example, as shown in FIG. 8, the drop simulation test is performed on the target 3D model packaged by the corrugated carton, so as to test the deformation of the target 3D model after dropping to the ground. Then, the drop damage analysis is performed on the target 3D model after dropping, so as to obtain the drop damage analysis result of the corrugated carton, and the protection effect of the corrugated carton on the product during the drop process of the product can also be determined. Figure 6

[0043] ​​The embodiment of the present application simulates the whole process of the corrugated box falling by using the finite element analysis method. When the second 3D model corresponding to the corrugated box is established, the corrugated box edge corner fold characteristics and material properties are truly restored, which greatly improves the accuracy of the falling simulation test of the corrugated box, especially the edge corner falling simulation. Secondly, the second 3D model, the product model and the buffer component are combined to perform the falling simulation test, so that the damage of the corrugated box in the falling process and the buffer protection effect of the corrugated box on the product can be accurately obtained. The embodiment of the present application improves the accuracy of the falling simulation test of the corrugated box, and solves the technical problem of low accuracy of the falling simulation test of the corrugated box caused by not considering the geometric characteristics and material characteristics of the corrugated box edge corner fold in the prior art.

[0044] As shown in Figure 7 , Figure 7 The flow chart of another corrugated box falling simulation method provided by the embodiment of the present application is shown. Figure 7 The corrugated box falling simulation method shown is a specific embodiment of the above-mentioned corrugated box falling simulation method, comprising the following steps:

[0045] Step 201, obtaining a face paper model corresponding to the face paper and a corrugated model corresponding to the corrugated, the corrugated paper including the face paper and the corrugated.

[0046] In this embodiment, since the corrugated paper includes the face paper and the corrugated, when the 3D model corresponding to the corrugated paper is established, the face paper model corresponding to the face paper and the corrugated model corresponding to the corrugated need to be obtained first. It can be understood that the way of obtaining the face paper model and the corrugated model can be set according to actual needs, which is not limited in this embodiment. For example, the user can directly obtain the existing face paper model and corrugated model from the server, and the user can also establish the face paper model and corrugated model by himself using three-dimensional modeling software.

[0047] Step 202, establishing a first 3D model of the corrugated paper in an unfolded state according to the face paper model and the corrugated model.

[0048] After obtaining the face paper model and the corrugated model, the face paper model and the corrugated model can be assembled according to the structure of the corrugated paper, so as to establish the first 3D model of the corrugated paper in the unfolded state. In an embodiment, when the first 3D model is established, the following steps are included:

[0049] Step 2021, determining the first layer number of the face paper model and the second layer number of the corrugated model.

[0050] When the first 3D model is assembled, since the corrugated paper can be composed of multiple layers of corrugated and face paper, as shown in Figure 8As shown. Therefore, it is first necessary to determine the number of the first layer of the paper model and the number of the second layer of the corrugated model.

[0051] Step 2022: Assemble the first layer of the face paper model and the second layer of the corrugated paper model to obtain the first 3D model of the corrugated paper in the unfolded state.

[0052] Subsequently, based on the actual characteristics of corrugated paper, the first layer of face paper model and the second layer of corrugated paper model were assembled to obtain the first 3D model of corrugated paper in its unfolded state.

[0053] Step 203: Set the material performance parameters of the face paper in the first 3D model. The corrugated paper is assembled from the face paper and the corrugations.

[0054] After obtaining the first 3D model, it is necessary to further set the material performance parameters of the face paper in the first 3D model, such as the surface strength, ring strength, tensile strength and folding strength of the face paper.

[0055] Step 204: Set the material performance parameters of the corrugated material in the first 3D model. The normal material performance parameters at any position of the corrugated material are consistent with the normal material performance parameters of the base paper used to make the corrugated material, and the material performance parameters of the corrugated material change with the geometry of the corrugated material.

[0056] In this embodiment, the material performance parameters of the corrugated material need to be set based on the performance parameters of the base paper used to make the corrugated material. Furthermore, in this embodiment, the base paper is an orthotropic material. The corrugated material also needs to consider the material performance variations caused by its geometric characteristics. The layup must be set according to these geometric characteristics to ensure that the normal material performance parameters of any part of the corrugated material are consistent with those of the base paper. This process can be achieved using the Create composite Layup function in the finite element analysis software ABAQUS. Additionally, Discrete coordinates are needed to reflect the changes in material performance parameters as the geometry changes.

[0057] For example, such as Figure 9 As shown, a system coordinate system can be established in the first 3D model of the corrugated paper, where the direction of corrugation wave propagation is the X-axis direction, the direction of corrugated paper thickness is the Y-axis direction, and the direction of corrugated paper width is the Z-axis direction. Assume the material engineering constants of the base paper used to make the corrugations are E1, E2, and G. 12 And v1, the angle between the corrugated paper and the system coordinate system at different positions is θ, then the material properties of the corrugated paper at different positions are:

[0058]

[0059] Where Ex E y G xy V x V y These are the material properties of corrugated paper at different locations.

[0060] Step 205: Simulate the folding process and sealing process of the carton in the first 3D model to obtain a second 3D model corresponding to the corrugated carton. The second 3D model includes the wrinkle features produced by the corrugated paper during the folding process and the material performance parameters of the corrugated paper, and the material performance parameters change with the geometry of the corrugated paper.

[0061] Next, the first 3D model is further simulated based on the carton folding process to obtain a folded 3D model. Then, the folded model is simulated again based on the carton sealing process to obtain a second 3D model corresponding to the corrugated carton. Specifically, in one embodiment, simulating both the carton folding and sealing processes of the first 3D model to obtain a second 3D model corresponding to the corrugated carton includes:

[0062] Step 2051: Based on the pre-set carton folding process, simulate the carton folding process of the first 3D model to obtain the folded third 3D model.

[0063] Before simulating the folding process of a cardboard box, the user first needs to configure the folding process, which is based on the shape of the corrugated cardboard box and the spatial geometry between its opposing faces. For example... Figure 10 As shown, Figure 10 To simulate the folding and sealing process of the first 3D model, the user can set the folding process based on the folding pattern of the 13 sides of the corrugated cardboard box. Then, the user can simulate the folding process of the first 3D model according to the set folding process to obtain the folded third 3D model.

[0064] Step 2052: Based on the pre-set carton sealing process, simulate the carton sealing process of the third 3D model to obtain the second 3D model corresponding to the corrugated carton.

[0065] After obtaining the third 3D model corresponding to the folded corrugated cardboard, further simulation of the corrugated carton sealing is required. Similarly, in this embodiment, the user needs to pre-set the carton sealing process, which is based on the spatial geometric relationship between the opposite faces of the corrugated carton and the actual adhesive surfaces during sealing. For example, in Figure 10In the process, users can set the sealing method for 10 sides according to cohesive contact or non-separating contact methods, thus obtaining the set carton sealing process. Then, the carton sealing process is simulated on the third 3D model according to the set carton sealing process, thus obtaining the second 3D model corresponding to the corrugated carton.

[0066] Step 206: Obtain the product model and the buffer component model, and combine the product model and the buffer component model with the second 3D model to obtain the target 3D model.

[0067] Step 207: Based on finite element analysis, drop simulation tests are performed on the faces, edges and corners of the target 3D model to obtain the drop damage analysis results of the corrugated cardboard box.

[0068] As described above, this embodiment of the invention utilizes finite element analysis to simulate the entire process of corrugated cardboard box drop. When establishing a second 3D model corresponding to the corrugated cardboard box, this embodiment simulates the folding of the first 3D model corresponding to the corrugated cardboard box based on pre-set folding and sealing processes. During the folding process, the wrinkles and material properties at the corners of the corrugated cardboard box are realistically reproduced, significantly improving the accuracy of drop simulation tests, especially corner drop simulations. Furthermore, this embodiment combines the second 3D model, the product model, and the cushioning components for drop simulation testing, accurately capturing the damage to the corrugated cardboard box during the drop and its cushioning protection effect on the product. This embodiment of the invention improves the accuracy of drop simulation tests for corrugated cardboard boxes, solving the technical problem of low accuracy in drop simulation tests caused by prior art that did not consider the geometric and material characteristics such as wrinkles at the corners of the corrugated cardboard box.

[0069] like Figure 11 As shown, Figure 11 A schematic diagram of a corrugated cardboard box drop simulation device provided in an embodiment of the present invention includes:

[0070] The first model creation module 301 is used to create a first 3D model of the corrugated paper in its unfolded state.

[0071] The second model building module 302 is used to simulate the folding process of the first 3D model to obtain a second 3D model corresponding to the corrugated cardboard box. The second 3D model includes the wrinkle features generated by the corrugated paper during the folding process and the material performance parameters of the corrugated paper, and the material performance parameters change with the geometry of the corrugated paper.

[0072] The carton assembly module 303 is configured to obtain a product model and a buffer component model, combine the product model and the buffer component model with the second 3D model, and obtain a target 3D model.

[0073] The drop simulation module 304 is configured to perform drop simulation testing on the target 3D model, and obtain a drop damage analysis result of the corrugated carton.

[0074] On the basis of the above embodiment, the second model establishing module 302 comprises:

[0075] The paper performance parameter setting sub-module is configured to set material performance parameters of the paper in the first 3D model, and the corrugated paper is obtained from the paper and the corrugated structure.

[0076] The corrugated performance parameter setting sub-module is configured to set material performance parameters of the corrugated structure in the first 3D model, the normal material performance parameters of any position of the corrugated structure are consistent with the normal material performance parameters of the original paper for manufacturing the corrugated structure, and the material performance parameters of the corrugated structure change with the geometric shape of the corrugated structure.

[0077] The first simulation sub-module is configured to perform simulation of a carton folding process and simulation of a carton sealing process on the first 3D model, and obtain a second 3D model corresponding to the corrugated carton.

[0078] On the basis of the above embodiment, the first simulation sub-module is specifically configured to perform simulation of a carton folding process on the first 3D model according to a pre-set carton folding process, obtain a third 3D model after folding, and perform simulation of a carton sealing process on the third 3D model according to a pre-set carton sealing process, and obtain a second 3D model corresponding to the corrugated carton.

[0079] On the basis of the above embodiment, the carton folding process is set according to the shape of the corrugated carton and the spatial geometric relationship between the opposite surfaces of the corrugated carton, and the carton sealing process is set according to the spatial geometric relationship between the opposite surfaces of the corrugated carton and the actual bonding surface during sealing.

[0080] On the basis of the above embodiment, the drop simulation module is specifically configured to perform drop simulation testing on the faces, edges and corners in the target 3D model based on finite element analysis, and obtain a drop damage analysis result of the corrugated carton.

[0081] On the basis of the above embodiment, the first model establishing module comprises:

[0082] The model obtaining sub-module is configured to obtain a paper model corresponding to the paper and a corrugated model corresponding to the corrugated structure, and the corrugated paper comprises the paper and the corrugated structure.

[0083] a model establishing sub-module configured to establish a first 3D model of the corrugated paper in an unfolded state according to the face paper model and the corrugated model.

[0084] In the above embodiment, the model establishing sub-module is specifically configured to determine a first layer number of the face paper model and a second layer number of the corrugated model; and assemble the face paper model of the first layer number and the corrugated model of the second layer number to obtain the first 3D model of the corrugated paper in the unfolded state.

[0085] The embodiment further provides a terminal device, as shown in Figure 12 a terminal device 40, the terminal device comprising a processor 400 and a memory 401;

[0086] The memory 401 is configured to store a computer program 402 and transmit the computer program 402 to the processor;

[0087] The processor 400 is configured to execute the steps in the above corrugated carton drop simulation method embodiment according to instructions in the computer program 402.

[0088] For example, the computer program 402 can be divided into one or more modules / units, which are stored in the memory 401 and executed by the processor 400 to complete the present application. The one or more modules / units can be a series of computer program instruction segments capable of completing a specific function, which are used to describe the execution process of the computer program 402 in the terminal device 40.

[0089] The terminal device 40 can be a desktop computer, a notebook computer, a palm computer, a cloud server and other computing devices. The terminal device 40 can include, but is not limited to, a processor 400, a memory 401. Those skilled in the art can understand that Figure 12 The terminal device 40 is only an example and does not constitute a limitation on the terminal device 40, and can include more or fewer components than shown, or combine certain components, or different components, for example, the terminal device 40 can also include an input / output device, a network access device, a bus, etc.

[0090] The processor 400 can be a central processing unit (CPU), and can also be other general-purpose processors, a digital signal processor (DSP), an application-specific integrated circuit (ASIC), a field-programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic, discrete hardware components, etc. The general-purpose processor can be a microprocessor or the processor can also be any conventional processor.

[0091] The memory 401 can be an internal storage unit of the terminal device 40, for example, a hard disk or a memory of the terminal device 40. The memory 401 can also be an external storage device of the terminal device 40, for example, a plug-in hard disk, a smart media card (SMC), a secure digital (SD) card, a flash card, etc. Further, the memory 401 can also include both the internal storage unit and the external storage device of the terminal device 40. The memory 401 is used to store the computer program and other programs and data required by the terminal device 40. The memory 401 can also be used to temporarily store data that has been output or will be output.

[0092] Those skilled in the art can clearly understand that, for the convenience and brevity of description, the specific working processes of the above-described system, device and unit can refer to the corresponding processes in the foregoing method embodiments, which will not be described here.

[0093] In several embodiments provided in the present application, it should be understood that the disclosed system, device and method can be implemented in other ways. For example, the device embodiments described above are only schematic, for example, the division of the units is only a logical function division, and actual implementation can have another division manner, for example, a plurality of units or components can be combined or integrated into another system, or some features can be ignored or not executed. In addition, the coupling or direct coupling or communication connection between the units shown or discussed can be indirect coupling or communication connection through some interfaces, devices or units, and can be electrical, mechanical or other forms.

[0094] The units described as separate components may or may not be physically separate, and the components shown as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Part or all of the units can be selected according to actual needs to achieve the purpose of the embodiment scheme.

[0095] In addition, each functional unit in various embodiments of the application can be integrated in one processing unit, or each unit can exist physically, or two or more units can be integrated in one unit. The integrated unit can be realized in the form of hardware or in the form of a software functional unit.

[0096] The integrated unit, if realized in the form of a software functional unit and sold or used as an independent product, can be stored in a computer-readable storage medium. Based on this understanding, the technical solutions of the application essentially or the part that contributes to the prior art or the whole or part of the technical solutions can be embodied in the form of a software product. The computer software product is stored in a storage medium and includes a plurality of instructions for causing a computer device (which can be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the method described in various embodiments of the application. The foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM, Read-Only Memory), a random access memory (RAM, Random Access Memory), a magnetic disk or an optical disk, and various computer program storage media.

[0097] The embodiment of the application also provides a storage medium containing computer executable instructions, which are used to execute a corrugated box drop simulation method when executed by a computer processor, and the method comprises the following steps:

[0098] A first 3D model of corrugated paper in an unfolded state is established;

[0099] A simulation of a carton folding process is performed on the first 3D model to obtain a second 3D model corresponding to the corrugated box, the second 3D model including wrinkle characteristics generated in the folding process of the corrugated paper and material performance parameters of the corrugated paper, and the material performance parameters changing with the geometric shape of the corrugated paper;

[0100] A product model and a buffer component model are obtained, and the product model and the buffer component model are combined with the second 3D model to obtain a target 3D model;

[0101] Drop simulation testing is performed on the target 3D model to obtain drop damage analysis results of the corrugated box.

[0102] Note that the above merely describes the preferred embodiments of the present application and the principles of the technology applied. Those skilled in the art will understand that the embodiments of the present application are not limited to the specific embodiments described herein, and that various obvious changes, reconfigurations and substitutions can be made by those skilled in the art without departing from the scope of the embodiments of the present application. Therefore, although the embodiments of the present application have been described in detail through the above embodiments, the embodiments of the present application are not limited to the above embodiments, and can include more other equivalent embodiments without departing from the concept of the embodiments of the present application, and the scope of the embodiments of the present application is determined by the scope of the appended claims.

Claims

1. A method of simulating a drop of a corrugated carton, characterized by, The method comprises the following steps: establishing a first 3D model of corrugated paper in an unfolded state; setting material performance parameters of face paper in the first 3D model, the corrugated paper being assembled by the face paper and the corrugated, setting material performance parameters of the corrugated in the first 3D model, normal material performance parameters of the corrugated at any position being consistent with normal material performance parameters of raw paper for manufacturing the corrugated, and the material performance parameters of the corrugated changing with the geometric shape of the corrugated, simulating a carton folding process and a carton sealing process of the first 3D model to obtain a second 3D model corresponding to the corrugated carton, the second 3D model comprising wrinkle characteristics generated in the folding process of the corrugated paper and the material performance parameters of the corrugated paper; obtaining a product model and a buffer component model, combining the product model and the buffer component model with the second 3D model to obtain a target 3D model; performing drop simulation test on the target 3D model to obtain drop damage analysis results of the corrugated carton.

2. A method of drop simulation of a corrugated box according to claim 1, characterized in that, The method comprises the following steps: According to the pre-set carton folding process, the folding process of the first 3D model is simulated to obtain a third 3D model after folding; According to the pre-set carton sealing process, the third 3D model is simulated to obtain a second 3D model corresponding to the corrugated carton.

3. A method of drop simulation of a corrugated box according to claim 2, characterized in that, The carton folding process is set according to the shape of the corrugated carton and the spatial geometric relationship between the opposite surfaces of the corrugated carton; the carton sealing process is set according to the spatial geometric relationship between the opposite surfaces of the corrugated carton and the actual bonding surface during sealing.

4. The method of claim 1, wherein, The method comprises the following steps: Based on finite element analysis, the faces, edges and corners in the target 3D model are subjected to drop simulation test to obtain drop damage analysis results of the corrugated carton.

5. The method of claim 1, wherein, The method comprises the following steps: Obtaining a face paper model corresponding to the face paper and a corrugated model corresponding to the corrugated, the corrugated paper comprising the face paper and the corrugated; According to the face paper model and the corrugated model, a first 3D model of the corrugated paper in an unfolded state is established.

6. A method of drop simulation of a corrugated box according to claim 5, wherein, The method comprises the following steps: Determining a first layer number of the face paper model and a second layer number of the corrugated model; Assembling the face paper model of the first layer number and the corrugated model of the second layer number to obtain a first 3D model of the corrugated paper in an unfolded state.

7. A corrugated box drop simulation apparatus, characterized by, The method comprises the following steps: A first model establishing module is configured to establish a first 3D model of corrugated paper in an unfolded state; The second model establishing module is configured to set material performance parameters of face paper in the first 3D model, the corrugated paper being assembled by the face paper and the corrugated, set material performance parameters of the corrugated in the first 3D model, normal material performance parameters of the corrugated at any position being consistent with normal material performance parameters of raw paper for manufacturing the corrugated, and the material performance parameters of the corrugated changing with the geometric shape of the corrugated, simulate a carton folding process and a carton sealing process of the first 3D model, and obtain a second 3D model corresponding to the corrugated carton, the second 3D model including wrinkle characteristics generated by the corrugated paper in the folding process and the material performance parameters of the corrugated paper; The carton assembling module is configured to obtain a product model and a buffer component model, combine the product model and the buffer component model with the second 3D model, and obtain a target 3D model; The drop simulation module is configured to perform drop simulation testing on the target 3D model, and obtain drop damage analysis results of the corrugated carton.

8. A terminal device, comprising: The terminal device includes a processor and a memory; The memory is configured to store a computer program and transmit the computer program to the processor; The processor is configured to execute a corrugated carton drop simulation method according to instructions in the computer program.

9. A storage medium storing computer-executable instructions, wherein: The computer executable instructions, when executed by a computer processor, are configured to execute a corrugated carton drop simulation method.

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