A clamping structure rigidity simulation modeling method, system, terminal and storage medium

Abstract

The application discloses a clamping structure rigidity simulation modeling method and system, a terminal and a storage medium. A grid-divided clamping structure simulation model and a benchmark simulation model of a pre-grid-divided bolt, a pre-grid-divided nut and a pre-grid-divided sleeve are obtained. A bolt length and an assembly plane of the sleeve are obtained by performing collinear node division on the grid-divided clamping structure simulation model. A bolt diameter and sleeve modeling data are obtained. Simulation models of a to-be-assembled bolt, a to-be-assembled nut and a to-be-assembled sleeve are obtained by using the bolt length, the assembly plane of the sleeve, the bolt diameter, the sleeve modeling data and the benchmark simulation model of the pre-grid-divided bolt, the pre-grid-divided nut and the pre-grid-divided sleeve. A clamping structure assembly simulation model is obtained by using the grid-divided clamping structure simulation model and the simulation models of the to-be-assembled bolt, the to-be-assembled nut and the to-be-assembled sleeve. The application realizes automatic modeling of rigidity of ear arm type clamping structures such as a subframe, a T-shaped arm and a shock absorber fork.

Description

TECHNICAL FIELD

[0001] The application discloses a clamping structure stiffness simulation modeling method and system, a terminal and a storage medium, and belongs to the technical field of computer-aided engineering. BACKGROUND

[0002] The chassis auxiliary frame, T-shaped arm, shock absorber fork and the like have an "ear arm" type structure, and the bolt clamping stiffness between the "ear arms" also needs to meet certain design requirements while meeting the strength durability performance, that is, the sleeve structure between the "ear arms" cannot be loosened under the action of an external force under the action of the bolt pretightening force, otherwise abnormal noise will be generated. However, a general auxiliary frame structure usually has 4-6 similar "ear arm" structures, and the modeling of 4-6 hexahedral bolts and sleeves needs to be manually completed, the modeling calculation process involves many factors, the modeling period is long, and the work efficiency is low. SUMMARY

[0003] In view of the defects of the prior art, the application provides a clamping structure stiffness simulation modeling method and system, a terminal and a storage medium, which realize the automatic modeling of the ear arm type clamping structure stiffness of the auxiliary frame, T-shaped arm, shock absorber fork and the like.

[0004] The technical scheme of the application is as follows:

[0005] According to a first aspect of the embodiment of the application, a clamping structure stiffness simulation modeling method is provided, and the method comprises the following steps:

[0006] obtaining a clamping structure simulation model after grid division and a reference simulation model of pre-grid division bolts, pre-grid division nuts and pre-grid division sleeves;

[0007] obtaining the assembly plane of the bolt length and the sleeve by performing collinear node division on the clamping structure simulation model after grid division;

[0008] obtaining bolt diameter and sleeve modeling data, and obtaining the simulation models of the to-be-assembled bolts, to-be-assembled nuts and to-be-assembled sleeves respectively by the bolt length, the assembly plane of the sleeve, the bolt diameter, the sleeve modeling data and the reference simulation model of the pre-grid division bolts, pre-grid division nuts and pre-grid division sleeves;

[0009] obtaining a clamping structure assembly simulation model by the clamping structure simulation model after grid division and the simulation models of the to-be-assembled bolts, to-be-assembled nuts and to-be-assembled sleeves.

[0010] Preferably, the method further comprises: obtaining clamping structure stiffness calculation file data by the clamping structure assembly simulation model.

[0011] Preferably, the assembly plane of the bolt length and sleeve is obtained by collinear node division of the clamping structure simulation model after mesh division, comprising:

[0012] The clamping structure simulation model after mesh division is divided into collinear nodes at the bolt hole positions of the two ear arms respectively;

[0013] The assembly plane of the bolt length and sleeve is determined through the collinear nodes respectively.

[0014] Preferably, the collinear nodes include: a first collinear node, a second collinear node, a third collinear node and a fourth collinear node, the first collinear node and the fourth collinear node are located at the outer side surface edges of the bolt holes of the two ear arms respectively, and the second collinear node and the third collinear node are located at the inner side surface edges of the bolt holes of the two ear arms respectively.

[0015] Preferably, the assembly plane of the bolt length and sleeve is determined through the collinear nodes respectively, comprising:

[0016] The bolt length is determined through the first collinear node and the fourth collinear node;

[0017] The assembly plane of the sleeve is determined through the second collinear node and the third collinear node.

[0018] Preferably, the sleeve modeling data includes: the gap between the sleeve and the ear arm, the outer diameter, the inner diameter and the material of the sleeve.

[0019] Preferably, the bolt diameter and the sleeve modeling data are obtained, and the simulation models of the to-be-assembled bolt, the to-be-assembled nut and the to-be-assembled sleeve are obtained through the bolt length, the assembly plane of the sleeve, the bolt diameter, the sleeve modeling data and the reference simulation models of the pre-mesh-divided bolt, the pre-mesh-divided nut and the pre-mesh-divided sleeve, comprising:

[0020] The simulation model of the to-be-assembled bolt is obtained through the bolt length, the bolt diameter and the reference simulation model of the pre-mesh-divided bolt;

[0021] The simulation model of the to-be-assembled nut is obtained through the simulation model of the to-be-assembled bolt and the reference simulation model of the pre-mesh-divided nut;

[0022] The length and the assembly position of the sleeve are obtained through the assembly plane of the sleeve and the gap between the sleeve and the ear arm;

[0023] The simulation model of the to-be-assembled sleeve is obtained through the outer diameter, the inner diameter and the material of the sleeve and the length and the assembly position of the sleeve.

[0024] According to the second aspect of the embodiment of the present application, a clamping structure stiffness simulation modeling system is provided, the system comprising:

[0025] The acquisition model module is configured to acquire the grid-divided clamping structure simulation model and the benchmark simulation model of the pre-grid-divided bolt, the pre-grid-divided nut and the pre-grid-divided sleeve.

[0026] The division node module is configured to obtain the assembly plane of the bolt length and the sleeve by performing collinear node division on the grid-divided clamping structure simulation model.

[0027] The fitting synthesis module is configured to acquire the bolt diameter and the sleeve modeling data, and obtain the simulation model of the to-be-assembled bolt, the to-be-assembled nut and the to-be-assembled sleeve respectively by the bolt length, the assembly plane of the sleeve, the bolt diameter, the sleeve modeling data and the benchmark simulation model of the pre-grid-divided bolt, the pre-grid-divided nut and the pre-grid-divided sleeve.

[0028] The assembly simulation module is configured to obtain the clamping structure assembly simulation model by the grid-divided clamping structure simulation model and the simulation model of the to-be-assembled bolt, the to-be-assembled nut and the to-be-assembled sleeve.

[0029] According to a third aspect of the embodiments of the present application, a terminal is provided, comprising:

[0030] One or more processors;

[0031] A memory for storing instructions executable by the one or more processors;

[0032] The one or more processors are configured to:

[0033] Perform the method of the first aspect of the embodiments of the present application.

[0034] According to a fourth aspect of the embodiments of the present application, a non-transitory computer-readable storage medium is provided, when the instructions in the storage medium are executed by the processor of the terminal, the terminal can perform the method of the first aspect of the embodiments of the present application.

[0035] According to a fifth aspect of the embodiments of the present application, an application product is provided, when the application product is running in the terminal, the terminal performs the method of the first aspect of the embodiments of the present application.

[0036] The present application has the following beneficial effects:

[0037] The patent provides a clamping structure stiffness simulation modeling method, system, terminal and storage medium. The reference hexahedral grid simulation model of the pre-grid division nut and the pre-grid division sleeve is searched automatically, the sleeve position stabilizing rod outside node is automatically bound, the boundary condition is automatically applied, the result is automatically extracted, and the stiffness is calculated, the stability rod stiffness modeling, calculation and result extraction are automatically realized, a large number of repetitive and error-prone simulation work is realized through the automatic program, not only the efficiency is improved, but also the operation error and the error caused by the trouble are prevented.

[0038] It should be understood that the above general description and the following detailed description are only exemplary and explanatory, and cannot limit the present application. BRIEF DESCRIPTION OF DRAWINGS

[0039] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0040] Figure 1 It is a flow chart of a clamping structure stiffness simulation modeling method according to an exemplary embodiment;

[0041] Figure 2 It is a flow chart of a clamping structure stiffness simulation modeling method according to an exemplary embodiment;

[0042] Figure 3 It is a grid division node schematic diagram of a shock absorber clamping structure simulation model after grid division of a clamping structure stiffness simulation modeling method according to an exemplary embodiment;

[0043] Figure 4 It is a structural schematic block diagram of a clamping structure stiffness simulation modeling system according to an exemplary embodiment;

[0044] Figure 5 It is a terminal structural schematic block diagram according to an exemplary embodiment. DETAILED DESCRIPTION

[0045] The technical solutions of the present application will be described clearly and completely in combination with the drawings. Obviously, the described embodiments are part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the present application.

[0046] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0047] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral connection; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0048] The embodiment of the present application provides a clamping structure stiffness simulation modeling method, which is realized by a terminal, and the terminal can be a smart phone, a desktop computer or a notebook computer, etc. The terminal at least includes CPU, voice acquisition device, etc.

[0049] Embodiment one

[0050] Figure 1 A clamping structure stiffness simulation modeling method is shown according to an exemplary embodiment, and the method comprises:

[0051] Step 101, obtaining a grid-divided clamping structure simulation model and a reference simulation model of pre-grid-divided bolts, pre-grid-divided nuts and pre-grid-divided sleeves;

[0052] Step 102, obtaining the assembly plane of the bolt length and the sleeve by performing collinear node division on the grid-divided clamping structure simulation model;

[0053] Step 103, obtaining bolt diameter and sleeve modeling data, and obtaining simulation models of the to-be-assembled bolts, the to-be-assembled nuts and the to-be-assembled sleeves respectively through the bolt length, the assembly plane of the sleeve, the bolt diameter, the sleeve modeling data and the reference simulation model of the pre-grid-divided bolts, the pre-grid-divided nuts and the pre-grid-divided sleeves;

[0054] Step 104, obtaining a clamping structure assembly simulation model through the grid-divided clamping structure simulation model and the simulation models of the to-be-assembled bolts, the to-be-assembled nuts and the to-be-assembled sleeves.

[0055] Preferably, the method further comprises: obtaining a clamping structure stiffness calculation file data through the clamping structure assembly simulation model.

[0056] Preferably, the assembly plane of the bolt length and the sleeve is obtained by performing collinear node division on the simulation model of the clamping structure after meshing, comprising:

[0057] The simulation model of the clamping structure after meshing is divided at the bolt hole positions of the two ear arms respectively to obtain collinear nodes;

[0058] The assembly plane of the bolt length and the sleeve is determined respectively by the collinear nodes.

[0059] Preferably, the collinear nodes include: a first collinear node, a second collinear node, a third collinear node and a fourth collinear node, the first collinear node and the fourth collinear node are respectively located at the outer side surface edges of the bolt holes of the two ear arms, and the second collinear node and the third collinear node are respectively located at the inner side surface edges of the bolt holes of the two ear arms.

[0060] Preferably, the assembly plane of the bolt length and the sleeve is determined respectively by the collinear nodes, comprising:

[0061] The bolt length is determined by the first collinear node and the fourth collinear node;

[0062] The assembly plane of the sleeve is determined by the second collinear node and the third collinear node.

[0063] Preferably, the sleeve modeling data includes: the gap between the sleeve and the ear arm, the outer diameter, the inner diameter and the material of the sleeve.

[0064] Preferably, the bolt diameter and the sleeve modeling data are obtained, and the simulation models of the to-be-assembled bolt, the to-be-assembled nut and the to-be-assembled sleeve are obtained by the bolt length, the assembly plane of the sleeve, the bolt diameter, the sleeve modeling data and the reference simulation models of the pre-meshed bolt, the pre-meshed nut and the pre-meshed sleeve, comprising:

[0065] The simulation model of the to-be-assembled bolt is obtained by the bolt length, the bolt diameter and the reference simulation model of the pre-meshed bolt;

[0066] The simulation model of the to-be-assembled nut is obtained by the simulation model of the to-be-assembled bolt and the reference simulation model of the pre-meshed nut;

[0067] The length and the assembly position of the sleeve are obtained by the assembly plane of the sleeve and the gap between the sleeve and the ear arm;

[0068] The simulation model of the to-be-assembled sleeve is obtained by the outer diameter, the inner diameter and the material of the sleeve, and the length and the assembly position of the sleeve.

[0069] Embodiment two

[0070] Figure 2 This is a flowchart illustrating a method for simulating and modeling the stiffness of a clamping structure according to an exemplary embodiment. The method is used in a terminal and includes the following steps:

[0071] Step 201: Obtain the simulation model of the clamping structure after mesh generation and the baseline simulation models of the pre-meshed bolts, pre-meshed nuts, and pre-meshed sleeves.

[0072] Prepare the baseline simulation models of pre-hexahedral meshed bolts, pre-hexahedral meshed nuts, and pre-hexahedral meshed sleeves and import them into the system. Then, taking the damper clamping structure as an example, import the simulation model of the meshed damper clamping structure into Hypermesh.

[0073] Step 202: Divide the clamping structure simulation model after meshing into collinear nodes at the bolt hole positions of the two lugs.

[0074] Taking the damper clamping structure as an example, such as Figure 3 As shown, the simulation model of the clamping structure after meshing is divided into four collinear nodes at the bolt hole positions of the two lugs, namely the first collinear node 1, the second collinear node 2, the third collinear node 3 and the fourth collinear node 4. The first collinear node 1 and the fourth collinear node 4 are located on the outer surface edge of the bolt hole of the two lugs, respectively, and the second collinear node 2 and the third collinear node 3 are located on the inner surface edge of the bolt hole of the two lugs, respectively.

[0075] Step 203: Determine the bolt length and the assembly plane of the sleeve through the collinear nodes.

[0076] The length of the bolt is determined by the first and fourth collinear nodes, and the assembly plane of the sleeve is determined by the second and third collinear nodes.

[0077] Step 204: Obtain bolt diameter and sleeve modeling data.

[0078] Input the bolt diameter and sleeve modeling data in the program interface. The sleeve modeling data includes the gap between the sleeve and the lug, the outer diameter and inner diameter of the sleeve, and the material of the sleeve, where the material of the sleeve is steel or aluminum.

[0079] Step 205: Using bolt length, sleeve assembly plane, bolt diameter, sleeve modeling data, and pre-meshed benchmark simulation models of bolts, nuts, and sleeves, simulation models of the bolts, nuts, and sleeves to be assembled are obtained respectively.

[0080] The simulation model of the bolt to be assembled is obtained through the bolt length, bolt diameter and the reference simulation model of the pre-meshed bolt; the simulation model of the nut to be assembled is obtained through the simulation model of the bolt to be assembled and the reference simulation model of the pre-meshed nut; the length and assembly position of the sleeve are obtained through the assembly plane of the sleeve and the gap between the sleeve and the ear arm; the simulation model of the sleeve to be assembled is obtained through the outer diameter, inner diameter and material of the sleeve and the length and assembly position of the sleeve. At this time, the size of the bolt and the sleeve and the assembly position in the damper clamping structure are all locked.

[0081] Step 206, obtaining the clamping structure assembly simulation model through the meshed clamping structure simulation model and the simulation models of the bolt to be assembled, the nut to be assembled and the sleeve to be assembled.

[0082] If more than one bolt, nut and sleeve need to be assembled, steps 202-206 are repeated to obtain the simulation models of the corresponding bolt to be assembled, nut to be assembled and sleeve to be assembled respectively, and then the simulation models of the bolt to be assembled, nut to be assembled and sleeve to be assembled are automatically assembled with the meshed clamping structure simulation model to obtain the damper clamping structure assembly simulation model, and the damper clamping structure stiffness calculation file data is further obtained through the damper clamping structure assembly simulation model for the next step of stiffness calculation.

[0083] In the present application, through the reference hexahedral mesh simulation model of the pre-meshed nut and the pre-meshed sleeve, the in-hole side nodes are automatically searched, the outer side nodes of the bushing position stabilizing rod are automatically bound, the boundary conditions are automatically applied, the results are automatically extracted and the stiffness is calculated, realizing one-key automation of stabilizing rod stiffness modeling, calculation and result extraction. A large amount of repetitive and error-prone simulation work is realized through the automatic program, which not only improves the efficiency, but also prevents the troubles caused by operation errors and difficult-to-check errors.

[0084] Example Three

[0085] In the exemplary embodiments, a clamping structure stiffness simulation modeling system is also provided, as shown in Figure 4 The system comprises:

[0086] The model acquisition module 310 is configured to acquire the meshed clamping structure simulation model and the reference simulation models of the pre-meshed bolt, pre-meshed nut and pre-meshed sleeve;

[0087] The node division module 320 is configured to obtain the bolt length and the assembly plane of the sleeve through collinear node division on the meshed clamping structure simulation model;

[0088] The accessory synthesis module 330 is used to acquire the bolt diameter and sleeve modeling data, and obtain the simulation model of the bolt to be assembled, the simulation model of the nut to be assembled and the simulation model of the sleeve to be assembled through the bolt length, the assembly plane of the sleeve, the bolt diameter, the sleeve modeling data and the reference simulation model of the pre-meshed bolt, the reference simulation model of the pre-meshed nut and the reference simulation model of the pre-meshed sleeve.

[0089] The assembly simulation module 340 is used to obtain the assembly simulation model of the clamping structure through the simulation model of the meshed clamping structure and the simulation model of the bolt to be assembled, the simulation model of the nut to be assembled and the simulation model of the sleeve to be assembled.

[0090] The accessory synthesis module 330 is used to obtain the simulation model of the bolt to be assembled through the bolt length, the bolt diameter and the reference simulation model of the pre-meshed bolt.

[0091] The simulation model of the nut to be assembled is obtained through the simulation model of the bolt to be assembled and the reference simulation model of the pre-meshed nut.

[0092] The length and assembly position of the sleeve are obtained through the assembly plane of the sleeve and the gap between the sleeve and the ear arm.

[0093] The simulation model of the sleeve to be assembled is obtained through the outer diameter, the inner diameter and the material of the sleeve and the length and assembly position of the sleeve.

[0094] In the application, the reference hexahedral mesh simulation model of the pre-meshed nut and the pre-meshed sleeve is used to automatically search the nodes inside the hole, automatically bind the nodes outside the sleeve position stabilizing rod, automatically apply boundary conditions, automatically extract results and calculate stiffness, realize one-key automation of stabilizing rod stiffness modeling, calculation and result extraction, realize a large number of repetitive and easily mistaken simulation work through automatic program, not only improve the efficiency, but also prevent the troubles caused by operation errors and difficult to check errors.

[0095] Embodiment four

[0096] Figure 5 is a structural block diagram of a terminal provided by an embodiment of the present application. The terminal can be the terminal in the above embodiments. The terminal 400 can be a portable mobile terminal, such as a smart phone, a tablet computer. The terminal 400 can also be referred to as a user equipment, a portable terminal, and other names.

[0097] Generally, the terminal 400 includes a processor 401 and a memory 402.

[0098] The processor 401 can include one or more processing cores, such as a 4-core processor, an 8-core processor, etc. The processor 401 can be implemented in at least one of a hardware form of a DSP (Digital Signal Processing), an FPGA (Field-Programmable Gate Array), a PLA (Programmable Logic Array). The processor 401 can also include a main processor and a coprocessor, the main processor being a processor for processing data in an awake state, also known as a CPU (Central Processing Unit), and the coprocessor being a low-power processor for processing data in a standby state. In some embodiments, the processor 401 can be integrated with a GPU (Graphics Processing Unit) that is responsible for rendering and drawing the content required to be displayed by the display screen. In some embodiments, the processor 401 can further include an AI (Artificial Intelligence) processor for processing machine learning-related computing operations.

[0099] The memory 402 can include one or more computer-readable storage media that can be tangible and non-transitory. The memory 402 can also include a high-speed random access memory, and a nonvolatile memory such as one or more disk storage devices, flash storage devices. In some embodiments, the non-transitory computer-readable storage medium in the memory 402 is used to store at least one instruction for being executed by the processor 401 to implement a clamping structure stiffness simulation modeling method provided in the present application.

[0100] In some embodiments, the terminal 400 can also optionally include a peripheral device interface 403 and at least one peripheral device. Specifically, the peripheral device includes at least one of a radio frequency circuit 404, a touch display screen 405, a camera 406, an audio circuit 407, a positioning component 408, and a power supply 409.

[0101] The peripheral device interface 403 can be used to connect at least one peripheral device related to I / O (Input / Output) to the processor 401 and the memory 402. In some embodiments, the processor 401, the memory 402, and the peripheral device interface 403 are integrated on the same chip or circuit board; in some other embodiments, any one or two of the processor 401, the memory 402, and the peripheral device interface 403 can be implemented on a separate chip or circuit board, and the present embodiment does not limit this.

[0102] The radio frequency circuit 404 is configured to receive and send RF (Radio Frequency) signals, also known as electromagnetic signals. The radio frequency circuit 404 communicates with communication networks and other communication devices through electromagnetic signals. The radio frequency circuit 404 converts electrical signals into electromagnetic signals for transmission, or converts electromagnetic signals received into electrical signals. Optionally, the radio frequency circuit 404 includes an antenna system, an RF transceiver, one or more amplifiers, a tuner, an oscillator, a digital signal processor, a codec chipset, a subscriber identity module card, and the like. The radio frequency circuit 404 can communicate with other terminals through at least one wireless communication protocol. The wireless communication protocol includes, but is not limited to, the World Wide Web, a metropolitan area network, an intranet, various generations of mobile communication networks (2G, 3G, 4G, and 5G), a wireless local area network, and / or a WiFi (Wireless Fidelity) network. In some embodiments, the radio frequency circuit 404 can also include NFC (Near Field Communication) related circuitry, which is not limited in the present application.

[0103] The touch display screen 405 is configured to display a UI (User Interface). The UI can include graphics, text, icons, video, and any combination thereof. The touch display screen 405 also has the ability to collect touch signals on or above the surface of the touch display screen 405. The touch signals can be input as control signals to the processor 401 for processing. The touch display screen 405 is configured to provide virtual buttons and / or virtual keyboards, also known as soft buttons and / or soft keyboards. In some embodiments, the touch display screen 405 can be one, arranged on the front panel of the terminal 400; in other embodiments, the touch display screen 405 can be at least two, arranged on different surfaces of the terminal 400 or in a folding design; in still other embodiments, the touch display screen 405 can be a flexible display screen, arranged on a curved surface or a folding surface of the terminal 400. Even, the touch display screen 405 can also be arranged in an irregular shape, i.e., a special-shaped screen. The touch display screen 405 can be made of materials such as LCD (Liquid Crystal Display), OLED (Organic Light-Emitting Diode), and the like.

[0104] The camera component 406 is configured to capture images or videos. Optionally, the camera component 406 includes a front camera and a rear camera. Generally, the front camera is used to implement video call or selfie, and the rear camera is used to implement photo or video shooting. In some embodiments, the rear camera is at least two, which are any one of a main camera, a depth-of-field camera, and a wide-angle camera, to implement the background blur function by fusing the main camera and the depth-of-field camera, and to implement the panorama shooting and VR (Virtual Reality) shooting functions by fusing the main camera and the wide-angle camera. In some embodiments, the camera component 406 can further include a flash. The flash can be a single-color-temperature flash or a dual-color-temperature flash. The dual-color-temperature flash refers to a combination of a warm light flash and a cold light flash, which can be used for light compensation under different color temperatures.

[0105] The audio circuit 407 is configured to provide an audio interface between the user and the terminal 400. The audio circuit 407 can include a microphone and a speaker. The microphone is configured to capture sound waves of the user and the environment, and convert the sound waves into an electrical signal input to the processor 401 for processing or to the radio frequency circuit 404 to implement voice communication. For the purpose of stereo sound collection or noise reduction, the microphone can be multiple, which are arranged at different parts of the terminal 400. The microphone can also be an array microphone or an omnidirectional collection microphone. The speaker is configured to convert an electrical signal from the processor 401 or the radio frequency circuit 404 into sound waves. The speaker can be a traditional diaphragm speaker or a piezoelectric ceramic speaker. When the speaker is a piezoelectric ceramic speaker, it can not only convert an electrical signal into a sound wave audible to humans, but also convert an electrical signal into an inaudible sound wave to humans for ranging purposes. In some embodiments, the audio circuit 407 can further include a headphone jack.

[0106] The positioning component 408 is configured to locate the current geographic position of the terminal 400 to implement navigation or LBS (Location Based Service). The positioning component 408 can be a positioning component based on the GPS (Global Positioning System) of the United States, the Beidou system of China, or the Galileo system of Russia.

[0107] The power supply 409 is configured to supply power to each component in the terminal 400. The power supply 409 can be alternating current, direct current, disposable battery, or rechargeable battery. When the power supply 409 includes a rechargeable battery, the rechargeable battery can be a wired charging battery or a wireless charging battery. The wired charging battery is a battery charged through a wired line, and the wireless charging battery is a battery charged through a wireless coil. The rechargeable battery can also be used to support fast charging technology.

[0108] Those skilled in the art can understand that Figure 5 The structure shown in the middle does not constitute a limitation to the terminal 400, and can include more or fewer components than shown, or combine certain components, or have a different arrangement of components.

[0109] Embodiment Five

[0110] In an exemplary embodiment, a computer readable storage medium is also provided, which stores a computer program, and the computer program is executed by a processor to implement a clamping structure stiffness simulation modeling method provided by all the inventive embodiments of the present application.

[0111] Any combination of one or more computer readable medium can be employed. The computer readable medium can be a computer readable signal medium or a computer readable storage medium. A computer readable storage medium can be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any suitable combination of the above. More specific examples (a non-exhaustive list) of the computer readable storage medium include an electrical connection having one or more wires, a portable computer diskette, a hard disk, a random access memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the above. In this document, the computer readable storage medium can be any tangible medium that contains or stores a program used by or in connection with an instruction execution system, apparatus, or device.

[0112] The computer readable signal medium can include a data signal traveling in or on a baseband medium or carried as part of a carrier wave, in which the computer readable program code embodied. Such a propagated data signal can take a wide variety of forms, including but not limited to electro-magnetic, optical, or any suitable combination thereof. Computer readable program code embodied on a computer readable medium can also be transmitted using any appropriate medium, including but not limited to wireless, wire line, optical fiber cable, RF, etc., or any suitable combination of the above.

[0113] The program code contained on the computer readable medium can be transmitted using any appropriate medium, including but not limited to wireless, wire line, optical fiber cable, RF, etc., or any suitable combination of the above.

[0114] Computer program code for carrying out operations of the present application can be written in any combination of one or more programming languages, including an object oriented programming language such as Java, Smalltalk, C++ or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code can execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the latter scenario, the remote computer can be connected to the user's computer through any type of network, including a local area network (LAN) or a wide area network (WAN), or the connection can be made to an external computer (for example, through the Internet using an Internet Service Provider).

[0115] Embodiment six

[0116] In an example embodiment, an application program product is also provided, comprising one or more instructions executable by the processor 401 of the above-mentioned device to accomplish the above-mentioned clamping structure stiffness simulation modeling method.

[0117] While the embodiments of the application have been disclosed as above, it is not limited to the application listed in the specification and the embodiments. It can be fully applied to various fields suitable for the application. Additional modifications can be easily made by those skilled in the art. Therefore, the application is not limited to specific details and the figures shown and described herein without departing from the general concept defined by the claims and the equivalent scope.

Claims

1. A method of modeling the rigidity of a clamped structure, characterized in that, The method comprises: obtaining a clamping structure simulation model after grid division and a benchmark simulation model of a pre-grid division bolt, a pre-grid division nut and a pre-grid division sleeve; obtaining a bolt diameter and sleeve modeling data, and obtaining a simulation model of a to-be-assembled bolt, a to-be-assembled nut and a to-be-assembled sleeve respectively through the bolt length, the sleeve assembly plane, the bolt diameter, the sleeve modeling data and the benchmark simulation model of the pre-grid division bolt, the pre-grid division nut and the pre-grid division sleeve; obtaining a clamping structure assembly simulation model through the clamping structure simulation model after grid division and the simulation model of the to-be-assembled bolt, the to-be-assembled nut and the to-be-assembled sleeve, and obtaining a clamping structure stiffness calculation file data through the clamping structure assembly simulation model; wherein the obtaining of the bolt length and the sleeve assembly plane through the collinear node division of the clamping structure simulation model after grid division comprises: dividing collinear nodes at the bolt hole positions of the two ear arms of the clamping structure simulation model after grid division respectively; determining the bolt length and the sleeve assembly plane through the collinear nodes respectively; the collinear nodes comprise a first collinear node, a second collinear node, a third collinear node and a fourth collinear node, the first collinear node and the fourth collinear node are respectively located on the outer side surface edges of the bolt holes of the two ear arms, and the second collinear node and the third collinear node are respectively located on the inner side surface edges of the bolt holes of the two ear arms; the determination of the bolt length and the sleeve assembly plane through the collinear nodes respectively comprises: determining the bolt length through the first collinear node and the fourth collinear node; determining the sleeve assembly plane through the second collinear node and the third collinear node. The sleeve modeling data comprises a gap between the sleeve and the ear arm, an outer diameter, an inner diameter and a material of the sleeve.

2. The method of claim 1, wherein, The obtaining of the bolt diameter and the sleeve modeling data, and the obtaining of the simulation model of the to-be-assembled bolt, the to-be-assembled nut and the to-be-assembled sleeve respectively through the bolt length, the sleeve assembly plane, the bolt diameter, the sleeve modeling data and the benchmark simulation model of the pre-grid division bolt, the pre-grid division nut and the pre-grid division sleeve comprises:

3. The method of claim 2, wherein, obtaining the simulation model of the to-be-assembled bolt through the bolt length, the bolt diameter and the benchmark simulation model of the pre-grid division bolt; obtaining the simulation model of the to-be-assembled nut through the simulation model of the to-be-assembled bolt and the benchmark simulation model of the pre-grid division nut; obtaining the length and assembly position of the sleeve through the sleeve assembly plane and the gap between the sleeve and the ear arm; obtaining the simulation model of the to-be-assembled sleeve through the outer diameter, the inner diameter and the material of the sleeve and the length and assembly position of the sleeve. The system comprises:

4. A clamped structure stiffness simulation modeling system, characterized by, an obtaining model module for obtaining a clamping structure simulation model after grid division and a benchmark simulation model of a pre-grid division bolt, a pre-grid division nut and a pre-grid division sleeve; a node division module for obtaining a bolt length and a sleeve assembly plane through collinear node division of the clamping structure simulation model after grid division; ​ The accessory synthesis module is used to acquire bolt diameter and sleeve modeling data, and to obtain simulation models of the to-be-assembled bolt, the to-be-assembled nut and the to-be-assembled sleeve respectively by bolt length, sleeve assembly plane, bolt diameter, sleeve modeling data and reference simulation models of pre-meshing bolts, pre-meshing nuts and pre-meshing sleeves; The assembly simulation module is used to obtain a clamping structure assembly simulation model by the meshed clamping structure simulation model and the simulation models of the pre-meshing bolts, the pre-meshing nuts and the pre-meshing sleeves, and to obtain clamping structure stiffness calculation file data by the clamping structure assembly simulation model; The bolt length and the sleeve assembly plane are obtained by performing collinear node division on the meshed clamping structure simulation model, and the method comprises the steps of: respectively dividing collinear nodes at the bolt hole positions of the two ear arms of the meshed clamping structure simulation model; respectively determining the bolt length and the sleeve assembly plane by the collinear nodes; The collinear nodes include first collinear nodes, second collinear nodes, third collinear nodes and fourth collinear nodes, the first collinear nodes and the fourth collinear nodes are respectively located on the outer side surface edges of the bolt holes of the two ear arms, and the second collinear nodes and the third collinear nodes are respectively located on the inner side surface edges of the bolt holes of the two ear arms; The bolt length is determined by the first collinear nodes and the fourth collinear nodes, and the sleeve assembly plane is determined by the second collinear nodes and the third collinear nodes. It comprises: one or more processors; 5. A terminal, characterized by comprising: a memory for storing instructions executable by the one or more processors; wherein the one or more processors are configured to: execute a clamping structure stiffness simulation modeling method as claimed in any one of claims 1 to 3. When the instructions in the storage medium are executed by the processor of the terminal, the terminal can execute a clamping structure stiffness simulation modeling method as claimed in any one of claims 1 to 3. ​ 6. A non-transitory computer-readable storage medium, comprising: ​

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